CN110006322B - Device and method for detecting perpendicularity between two linear axes of machine tool - Google Patents
Device and method for detecting perpendicularity between two linear axes of machine tool Download PDFInfo
- Publication number
- CN110006322B CN110006322B CN201910339431.3A CN201910339431A CN110006322B CN 110006322 B CN110006322 B CN 110006322B CN 201910339431 A CN201910339431 A CN 201910339431A CN 110006322 B CN110006322 B CN 110006322B
- Authority
- CN
- China
- Prior art keywords
- indicator
- axis
- shaft
- reference surface
- linear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 81
- 238000011156 evaluation Methods 0.000 claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 230000008569 process Effects 0.000 claims description 28
- 230000007704 transition Effects 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 14
- 238000007405 data analysis Methods 0.000 claims description 10
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 6
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 244000309464 bull Species 0.000 description 14
- 238000003754 machining Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000017105 transposition Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004660 morphological change Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0023—Measuring of sport goods, e.g. bowling accessories, golfclubs, game balls
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/245—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
Abstract
The invention discloses a device and a method for detecting the perpendicularity between two linear axes of a machine tool, wherein the device comprises an indicator for obtaining a straightness evaluation curve of the machine tool axis, a clamping device for completing connection of the indicator and the machine tool axis, a reference body for providing a reference surface for the indicator, and a rotary table capable of rotating around an axis of the reference body, wherein the reference body is arranged on the rotary table, and the reference body provides the reference surface for the indicator when the axis is perpendicular to a plane where the two linear axes of the machine tool are positioned. The method is a use method of the device, and by adopting the device and the method, the perpendicularity between the two linear axes of the machine tool can be obtained, the adjustment and the operation are convenient, and meanwhile, the influence of the reference right angle error on the detection error can be reduced.
Description
Technical Field
The invention relates to the technical field of machine tool geometric accuracy detection, in particular to a device and a method for detecting perpendicularity between two linear axes of a machine tool.
Background
When the geometric precision of the precise and ultra-precise machine tool is detected, the perpendicularity between the linear axis movements is an item which needs to be detected, the traditional detection method of the geometric precision is to install a amplifier Dan Fangche in a detection area, firstly, the long side of the marble square is adjusted to be parallel to the linear axis, the indicator is placed at a fixed position, the indicator measuring head vertically touches the long side of the marble square, the pose of the square is manually adjusted, the readings of the indicator are consistent on the two sides of the long side of the square, then the indicator is arranged on another linear axis moving part, the indicator measuring head vertically touches the short side of the square, and the maximum difference value of the readings of the indicator is the detection result when the linear axis moving part moves within the range of the specified length of the short side of the square. When the long side of the square ruler is adjusted to be parallel to the linear shaft, manual operation is needed, time consumption is long, the skill requirement on measuring staff is high, and the measuring difficulty is high and the time consumption is long; meanwhile, the measurement accuracy depends on the accuracy of the square ruler, namely the physical reference, and the measurement accuracy is low.
Disclosure of Invention
Aiming at the problems of high difficulty, long time consumption and low precision of square pose adjustment when detecting the perpendicularity between the linear axes of the machine tool at present, the invention provides a device and a method for detecting the perpendicularity between two linear axes of the machine tool. By adopting the device and the method, the perpendicularity between the two linear axes of the machine tool can be obtained, the adjustment and the operation are convenient, and the influence of the reference right angle error on the detection error can be reduced.
Aiming at the problems, the device and the method for detecting the perpendicularity between two linear axes of a machine tool provided by the invention solve the problems through the following technical points: the utility model provides a straightness detection device that hangs down between two rectilinear axis movements of lathe, includes the indicator that is used for obtaining lathe axle straightness evaluation curve, is used for accomplishing the clamping device that indicator and lathe axle are connected, is used for providing the reference body of datum plane for the indicator, still includes the revolving stage that can rotate around self axis, the reference body sets up on the revolving stage, when the axis is perpendicular with the plane that two rectilinear axes of lathe are located, the reference body is for the indicator provides the datum plane.
In the scheme, the machine tool shaft is a straight line shaft, the turntable is used as a carrier of the reference body, the reference body is used as a carrier of the reference surface, the clamping device is used as a connecting piece of the machine tool shaft and the indicator, and the measuring head of the indicator is always contacted with the reference surface in the process that the indicator moves along with the machine tool shaft in a straight line mode, so that a straightness evaluation curve is obtained through fitting according to reading of the indication number of the indicator, and an included angle of the corresponding straight line shaft relative to the reference surface can be obtained through the curve.
Meanwhile, the scheme also discloses a method for detecting the perpendicularity between two linear axes of the machine tool, which is based on the device provided by the scheme, and comprises the following steps of:
a) And (3) device installation: placing and fixing a turntable in a plane formed by two linear shafts to be tested, wherein the turntable is positioned between the two linear shafts to be tested, and the axis of the turntable is perpendicular to the plane;
the two linear shafts are respectively defined as an A shaft and a B shaft, the indicator is connected with the A shaft through the clamping device, and the measuring head of the indicator acts on the datum plane of the datum body;
c) The linear movement A axis is used for measurement: the rotating table is locked, the A shaft is linearly moved, data of the indicator in the movement process of the A shaft are collected, and in the movement process of the A shaft, the measuring head of the indicator is always contacted with the reference surface;
d) The rotary table rotates 90 degrees, the rotary table is locked, the indicator is connected to the B shaft through the clamping device, and the measuring head of the indicator touches the reference surface of the reference body;
e) The linear movement B axis is used for measurement: the B shaft is linearly moved, data of the indicator in the process of moving the B shaft are collected, and in the process of moving the B shaft, the measuring head of the indicator is always contacted with the reference surface;
f) The turntable rotates 90 °: rotating the rotary table by 90 degrees in the rotating direction in the step d), locking the rotary table, connecting the indicator on the A shaft through the clamping device, and enabling the measuring head of the indicator to touch the reference surface of the reference body;
g) The linear movement A axis is used for measurement: the method comprises the steps that an A shaft is linearly moved, data of an indicator in the movement process of the A shaft are collected, and a measuring head of the indicator is always contacted with a reference surface in the movement process of the A shaft;
h) The turntable rotates 90 °: rotating the rotary table by 90 degrees in the rotating direction in the step d), locking the rotary table, connecting the indicator on the B shaft through the clamping device, and enabling the measuring head of the indicator to touch the reference surface of the reference body;
i) The linear movement B axis is used for measurement: the B shaft is linearly moved, data of the indicator in the process of moving the B shaft are collected, and in the process of moving the B shaft, the measuring head of the indicator is always contacted with the reference surface;
j) And (3) data processing: the data acquired by the indicator in the steps are adopted to fit straightness evaluation curves of the motion of the axis A and the axis B, and the straightness evaluation curves are respectively compared with the included angles between the two straight axes to obtain the included angle alpha between the straightness evaluation curves and the reference plane i (i＝1、2、3、4)：
Obtaining the product
Wherein alpha is the actual included angle between two linear axes;
with respect to alpha i ：
When i=1, α 1 E), obtaining an included angle between the straightness evaluation curve obtained by the data in the step e) and the reference plane;
when i=2, α 2 The included angle between the straightness evaluation curve obtained by the data in the step g) and the reference surface is set;
when i=3, α 3 The included angle between the straightness evaluation curve obtained by the data in the step i) and the reference plane is set;
when i=4, α 4 An included angle between the straightness evaluation curve obtained from the data in the step c) and the reference plane;
with respect to beta i ：
When i=1, β 1 The actual number of angles rotated by the turret in step d);
when i=2, β 2 The actual number of angles rotated by the turntable in step f);
when i=3, β 3 The actual number of angles rotated by the turntable in step h);
when i=4, β 4 After the turntable is rotated in the step h), the turntable rotates in the rotating direction in the step d) until the turntable is rotated to the rotation angle number required by the state of the turntable in the step c);
namely:
the perpendicularity error can be expressed as:
as described above, provided to include the turntable, is intended to realize: the method is different from the scheme introduced by the background technology, the method provided by the scheme realizes that the device is dependent on the detection of the perpendicularity between the linear axes of the machine tool, but the specific device adjusts the placement gesture of the indicator without a necessary or unique accurate position, namely the problem of gesture adjustment of a reference plane relative to the linear axes is solved, and the problems of large difficulty, long time consumption and difficult guarantee of the gesture adjustment of the square rule in the prior art are solved.
As in the present scheme, with respect to obtaining alpha i The parallelism of the reference surface relative to the linear shaft only needs to ensure that the measuring head is contacted with the reference surface to obtain a straightness evaluation curve so as to obtain alpha i The final detection result is not affected; introduction of beta into data processing i Regarding the above pair regarding beta i As can be seen from the definition of (a), the rotation angles of the turntable in the steps d), f) and h) are 90 degrees, but in actual operation, the degree of rotation of the turntable in a specific direction after the turntable is rotated is necessarily not guaranteed to be 90 degrees, and the rotation angle is equal to beta 4 If the actual rotation of the turntable is less than N DEG compared with 90 DEG, beta 4 Is (90+3N) °, i.eNamely, the rotation precision of the turntable does not influence the final detection result.
Namely, the device and the scheme provided by the scheme are compared with the prior art:
the perpendicularity detection device between the two linear shaft movements utilizes the turntable and the reference surface to construct a reference right angle, and the physical reference and the movement axis do not need to be regulated to be exactly parallel like the traditional method;
according to the verticality detection device and the verticality measurement method between two linear axis movements, the reference right angle is converted through three 90-degree transposition, meanwhile, the movement data of the two linear axes are obtained through the indicator, and then the verticality between the two linear axis movements is obtained through the algorithm and the principle that the circle closing error is zero, so that the influence of the reference right angle error on the verticality detection error is reduced;
according to the method for measuring the perpendicularity of the perpendicularity detection device between the two linear axis movements, the straightness of the respective movements of the two linear axes is also provided while the perpendicularity between the two linear axis movements is measured, and the measuring efficiency is high.
As a person skilled in the art, the above method is actually a method for using the above device to complete verticality detection, and regarding the above data obtaining and data processing, not only can be performed manually, but also can be completed efficiently by using a computer and corresponding software: when the linear motion is performed manually, according to the indication of the indicator in the linear motion of the corresponding linear shaft, the data processing can be one of a least square method, a two-end point connection method or a minimum envelope method, so that a straightness evaluation curve can be obtained, and then an included angle alpha between the evaluation curve and a reference surface is obtained i The method comprises the steps of carrying out a first treatment on the surface of the With respect to beta i After the turntable is fixed, the actual rotation angle of the turntable can be measured manually by adopting an angle measuring device.
As a person skilled in the art, the two straight-line axes are defined as the a-axis and the B-axis respectively, and in practice only the two straight-line axes are distinguished, the two straight-line axes are generally defined as the X-axis and the Y-axis in the prior art, but the above definition is intended to define the implementation of the above method, as step c) is not specific to the X-axis, but is also specific to the Y-axis, considering that in the art the X-axis and the Y-axis can generally correspond to a specific straight-line axis, namely: if the X axis is taken as the A axis, the Y axis is taken as the B axis, otherwise, the X axis is taken as the B axis, and the Y axis is taken as the A axis.
As a further technical scheme of the verticality detection device:
due to the influence of the machining precision of the reference surface alpha i To enable the reference body to be processed independently of the turntable, is provided withThe method comprises the following steps: the reference body is an independent component relative to the turntable, and the connection relation between the reference body and the turntable is detachable connection. The detachable connection is arranged, so that the reference surface can be conveniently subjected to flatness or flatness maintenance in the service period.
As a specific form of the reference body, there is provided: the reference body is a flat ruler fixed on the table surface of the turntable, the table surface is perpendicular to the axis, the reference surface is a side surface of one side of the flat ruler, and the reference surface is perpendicular to the table surface. By adopting the scheme, when the table top of the turntable is a horizontal plane, the reference plane is a vertical plane, so that an accurate straightness evaluation curve is conveniently fitted by matching with the specific form and the movement direction of the linear shaft in space in the prior art.
In view of the influence of the reference surface on the test accuracy, the present solution is preferably implemented by adopting the reference surfaces defined in the above steps as the same surface, but in view of the fact that the reference surface is the side surface of the reference body close to the a axis as in the initial position, as in the step c), after the turntable rotates 180 °, the straightness evaluation curve of the a axis is obtained, and the reference surface is located on the side of the reference body away from the a axis, so that the measuring head of the indicator can still act on the reference surface through the morphological change of the clamping device, and the following steps are provided: the clamping device comprises a first clamp, a first rotating rod, a transition piece, a second rotating rod and a second clamp, wherein the first clamp is used for being connected with a machine tool shaft, one end of the first rotating rod is connected with the first clamp, the transition piece is connected with the other end of the first rotating rod, one end of the second rotating rod is connected with the transition piece, the second clamp is connected with the other end of the second rotating rod, the second clamp is used for being connected with an indicator, and the indicator is a dial indicator or a dial indicator with gauge heads at two ends;
the first rotating rod and the second rotating rod are mutually perpendicular, and the second rotating rod can rotate relative to the axis of the first rotating rod;
the locking piece is used for locking the relative positions of the first rotating rod and the second rotating rod;
the position of the indicator relative to the first clamp is adjustable in the axial direction of the first rotating rod. In this scheme, because first bull stick and second bull stick are the straight-bar locking piece is to there not being the mutual constraint between first bull stick and the second bull stick, if to the circumstances that the revolving stage rotated 180 degrees, can make the second bull stick rotate around first bull stick, and the free end of second bull stick rotates upwards in order to cross the upside of reference body, adjusts the position of indicator for first anchor clamps simultaneously: the indicator is moved to the side far away from the A axis, and then compared with the gauge outfit of the other side of the indicator in the step c), the purpose of utilizing the same datum plane can be achieved. Preferably, the first rotating rod is in clearance fit with the first clamp, the first clamp is further in threaded connection with a locking screw for fastening the first rotating rod, one end of the transition piece is fixedly connected with the first rotating rod, a bayonet is arranged at the other end of the transition piece, one end of the second rotating rod is embedded into the bayonet, fastening of the transition piece and the second rotating rod is achieved through a compression bolt which is arranged on the transition piece and used for restraining the size of the bayonet, the second clamp is also in a scheme of adopting the bayonet to be matched with the compression bolt to fix the indicator gauge head, but the bayonet clearance on the second clamp is a through hole, so that the indicator can extend or be close relative to the second clamp as much as possible.
The technical scheme of the method comprises the steps of enabling corresponding data processing to be completed rapidly through a computer, and further comprises a data acquisition system and a data analysis system, wherein the data acquisition system is in data connection with the indicator, the data acquisition system is used for acquiring data obtained by the indicator, the data analysis system is in data connection with the data acquisition system, and the data analysis system is used for processing the data obtained by the data acquisition system and fitting out a straight line axis straightness evaluation curve.
As a technical scheme which is convenient for controlling the rotation of the turntable and can directly output the actual rotation angle, the turntable is an electric turntable which can set the rotation direction, the rotation angle and output the actual rotation angle. Preferably, the turntable is in data connection with the data acquisition system, so that the whole device has the characteristic of directly reading original data to quickly obtain a detection result.
As a further technical scheme of the perpendicularity detection method, as described above, in the process of collecting data through the indicator through each linear axis linear motion, although only the contact between the measuring head of the indicator and the reference surface is required, considering that if the linear axis motion distance per se is longer or the included angle between the reference surface and the moving linear axis is too large, the measuring range of the indicator is required to be larger, but the existing precise dial indicator or dial indicator has the maximum measuring range of only tens of millimeters or even millimeters, and considering the factor of implementation convenience of the existing indicator to the scheme, the method is set as follows: further comprising a step b) located between steps a) and c):
during the follow-up, b) device adjustment: and linearly moving the axis A, observing the change of the indication value of the indicator, and enabling the reference surface of the reference body to be parallel to the axis A on the whole stroke of the axis A by rotating the rotary table.
In order to reduce the influence of the reference surface machining error on the test result, the method comprises the following steps: the reference surfaces in the steps are the same reference surface.
In order to reduce the influence of the reference surface machining error on the test result, the method comprises the following steps: in step c), recording the starting and stopping positions of the indicator probe marked on the reference surface;
in step e), the starting and stopping positions of the indicator measuring head marked on the reference surface are consistent with the starting and stopping positions in step c) on the whole travel of the B axis;
in step g), the starting and stopping positions of the indicator measuring head marked on the reference surface are consistent with the starting and stopping positions in step c) on the whole travel of the axis A;
in step i), the start and stop positions of the pointer probe on the reference surface are identical to the start and stop positions in step c) over the entire stroke of the B-axis movement.
Preferably, the method is as follows: the turntable has a locking function and an actual rotation angle output function;
the precision of the indicator is better than 0.5 mu m;
the reference body adopts a 0-level leveling rule, the flatness of a measuring edge serving as a reference surface is less than 3.5 mu m, the perpendicularity between the measuring edge serving as the reference surface and an adjacent edge is less than 8 mu m, both measuring edges can be used as the reference surface, and the parallelism of the two measuring edges is 5.3 mu m; the positioning accuracy of the turntable was 2 ".
The invention has the following beneficial effects:
by adopting the scheme, the perpendicularity detection device between two linear shaft movements utilizes the turntable and the reference surface to construct a reference right angle, and the physical reference and the movement axis do not need to be regulated to be exactly parallel like the traditional method;
according to the verticality detection device and the verticality measurement method between two linear axis movements, the reference right angle is converted through three 90-degree transposition, meanwhile, the movement data of the two linear axes are obtained through the indicator, and then the verticality between the two linear axis movements is obtained through the algorithm and the principle that the circle closing error is zero, so that the influence of the reference right angle error on the verticality detection error is reduced;
according to the method for measuring the perpendicularity of the perpendicularity detection device between the two linear axis movements, the straightness of the respective movements of the two linear axes is also provided while the perpendicularity between the two linear axis movements is measured, and the measuring efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of a device for detecting verticality between two linear axes of a machine tool according to an embodiment of the present invention.
The marks in the figure are respectively: 1. the device comprises a turntable, 2, a reference body, 3, a locating pin, 4, an indicator, 5, a clamping device, 6, a data acquisition system, 7 and a data analysis system.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples:
example 1:
as shown in fig. 1, the verticality detection device between two linear axes of a machine tool comprises an indicator 4 for obtaining a straightness evaluation curve of the machine tool axis, a clamping device 5 for completing connection of the indicator 4 and the machine tool axis, a reference body 2 for providing a reference surface for the indicator 4, and a rotary table 1 capable of rotating around an axis of the reference body 2, wherein the reference body 2 is arranged on the rotary table 1, and the reference body 2 provides a reference surface for the indicator 4 when the axis is vertical to a plane where two linear axes of the machine tool are located.
In this scheme, the lathe axle is the straight line axle, revolving stage 1 is as the carrier of reference body 2, and reference body 2 is as the carrier of reference surface, and clamping device 5 is as the connecting piece of lathe axle and indicator 4, and in the straight line motion process along with the lathe axle of indicator 4, the gauge head of indicator 4 contacts with the reference surface all the time, like this, according to reading the registration of indicator 4, the fit obtains straightness accuracy evaluation curve, can obtain the contained angle of corresponding straight line axle relative to the reference surface through this curve.
Meanwhile, the scheme also discloses a method for detecting the perpendicularity between two linear axes of the machine tool, which is based on the device provided by the scheme, and comprises the following steps of:
a) And (3) device installation: placing and fixing the turntable 1 in a plane formed by two linear shafts to be tested, wherein the turntable 1 is positioned between the two linear shafts to be tested, and the axis of the turntable 1 is vertical to the plane;
the two linear shafts are respectively defined as an A shaft and a B shaft, the indicator 4 is connected with the A shaft through the clamping device 5, and the measuring head of the indicator 4 acts on the datum plane of the datum body 2;
c) The linear movement A axis is used for measurement: locking the turntable 1, linearly moving the A axis, collecting data of the indicator 4 in the movement process of the A axis, and enabling the measuring head of the indicator 4 to be always contacted with the reference surface in the movement process of the A axis;
d) The rotary table 1 rotates 90 degrees, the rotary table 1 is locked, the indicator 4 is connected to the B shaft through the clamping device 5, and the measuring head of the indicator 4 touches the reference surface of the reference body 2;
e) The linear movement B axis is used for measurement: the B shaft is linearly moved, data of the indicator 4 in the process of moving the B shaft are collected, and in the process of moving the B shaft, a measuring head of the indicator 4 is always contacted with a reference surface;
f) The turntable 1 rotates 90 °: rotating the rotary table 1 by 90 degrees in the rotating direction in the step d), locking the rotary table 1, connecting the indicator 4 on the A axis through the clamping device 5, and enabling the measuring head of the indicator 4 to touch the reference surface of the reference body 2;
g) The linear movement A axis is used for measurement: the A axis is linearly moved, data of the indicator 4 in the movement process of the A axis are collected, and in the movement process of the A axis, a measuring head of the indicator 4 is always contacted with a reference surface;
h) The turntable 1 rotates 90 °: rotating the rotary table 1 by 90 degrees in the rotating direction in the step d), locking the rotary table 1, connecting the indicator 4 on the B axis through the clamping device 5, and enabling the measuring head of the indicator 4 to touch the reference surface of the reference body 2;
i) The linear movement B axis is used for measurement: the B shaft is linearly moved, data of the indicator 4 in the process of moving the B shaft are collected, and in the process of moving the B shaft, a measuring head of the indicator 4 is always contacted with a reference surface;
j) And (3) data processing: the data collected by the indicator 4 in the above steps are adopted to fit straightness evaluation curves of the motion of the axis A and the axis B, and the straightness evaluation curves are respectively compared with the included angles between the two straight axes to obtain the included angle alpha between the straightness evaluation curves and the reference plane i (i＝1、2、3、4)：
Obtaining the product
Wherein alpha is the actual included angle between two linear axes;
with respect to alpha i ：
When i=1, α 1 E), obtaining an included angle between the straightness evaluation curve obtained by the data in the step e) and the reference plane;
when i=2, α 2 The included angle between the straightness evaluation curve obtained by the data in the step g) and the reference surface is set;
when i=3, α 3 The included angle between the straightness evaluation curve obtained by the data in the step i) and the reference plane is set;
when i=4, α 4 An included angle between the straightness evaluation curve obtained from the data in the step c) and the reference plane;
with respect to beta i ：
When i=1, β 1 The actual number of angles the turret 1 is rotated in step d);
when i=2, β 2 The actual number of angles the turret 1 is rotated in step f);
when i=3, β 3 The actual number of angles the turret 1 rotates in step h);
when i=4, β 4 After the rotation of the turntable 1 in the step h) is completed, the turntable 1 rotates in the rotation direction in the step d) to the rotation angle number required by the state of the turntable 1 in the step c);
namely:
the perpendicularity error can be expressed as:
as described above, provided to include said turntable 1, is intended to realize: the method is different from the scheme introduced by the background technology, the method provided by the scheme realizes that the device is relied on when the perpendicularity between the linear axes of the machine tool is detected, but the specific device adjusts the placement gesture of the indicator 4 without a certain or unique accurate position, namely the problem of gesture adjustment of a reference plane relative to the linear axes is solved, and the problems of large difficulty, long time consumption and difficult guarantee of square gesture adjustment in the prior art are solved.
As in the present scheme, with respect to obtaining alpha i The parallelism of the reference surface relative to the linear shaft only needs to ensure that the measuring head is contacted with the reference surface to obtain a straightness evaluation curve so as to obtain alpha i The final detection result is not affected; introduction of beta into data processing i Regarding the above pair regarding beta i It is clear from the definition of (1) that althoughHowever, the rotation angles of the turntable 1 in the steps d), f) and h) are 90 degrees, but in actual operation, it cannot be guaranteed that the degree of rotation of the turntable 1 in a specific direction is 90 degrees after the rotation of the turntable 1 is completed, and the rotation angle is equal to beta 4 If the actual rotation of the turntable 1 per reading is less than N deg. compared to 90 deg., beta 4 Is (90+3N) °, i.eI.e. the rotational accuracy of the turntable 1 does not affect the final detection result.
Namely, the device and the scheme provided by the scheme are compared with the prior art:
the perpendicularity detection device between the two linear shaft movements utilizes the turntable 1 and the reference surface to construct a reference right angle, and the physical reference and the movement axis do not need to be regulated to be exactly parallel like the traditional method;
according to the verticality detection device and the verticality measurement method between two linear axis movements, the reference right angle is converted through three 90-degree transposition, meanwhile, the movement data of the two linear axes are obtained through the indicator 4, and then the verticality between the two linear axis movements is obtained through the algorithm and the principle that the circle closing error is zero, so that the influence of the reference right angle error on the verticality detection error is reduced;
according to the method for measuring the perpendicularity of the perpendicularity detection device between the two linear axis movements, the straightness of the respective movements of the two linear axes is also provided while the perpendicularity between the two linear axis movements is measured, and the measuring efficiency is high.
As a person skilled in the art, the above method is actually a method for using the above device to complete verticality detection, and regarding the above data obtaining and data processing, not only can be performed manually, but also can be completed efficiently by using a computer and corresponding software: when the linear motion is performed manually, according to the indication of the linear motion of the indicator 4 on the corresponding linear shaft, the data processing can be one of a least square method, a two-end point connection method or a minimum envelope method, so that a straightness evaluation curve can be obtained, and then the straightness evaluation curve and the minimum envelope method are obtainedIncluded angle alpha between reference surfaces i The method comprises the steps of carrying out a first treatment on the surface of the With respect to beta i After the turntable 1 is fixed, the actual rotation angle of the turntable 1 can be measured manually by adopting an angle measuring device.
As a person skilled in the art, the two straight-line axes are defined as the a-axis and the B-axis respectively, and in practice only the two straight-line axes are distinguished, the two straight-line axes are generally defined as the X-axis and the Y-axis in the prior art, but the above definition is intended to define the implementation of the above method, as step c) is not specific to the X-axis, but is also specific to the Y-axis, considering that in the art the X-axis and the Y-axis can generally correspond to a specific straight-line axis, namely: if the X axis is taken as the A axis, the Y axis is taken as the B axis; on the contrary, the X axis is taken as the B axis, and the Y axis is taken as the A axis.
Example 2:
the embodiment is further defined on the basis of embodiment 1, as shown in fig. 1, as a further technical scheme of the verticality detection device:
due to the influence of the machining precision of the reference surface alpha i To enable the reference body 2 to be processed independently of the turntable 1, is set to: the reference body 2 is a component independent from the turntable 1, and the connection relation between the reference body 2 and the turntable 1 is detachable connection. The detachable connection is arranged, so that the reference surface can be conveniently subjected to flatness or flatness maintenance in the service period. The detachable connection is preferably formed by connecting a plurality of positioning pins 3 distributed along the length direction of the reference body 2, so that compared with the connection of bolts, welding, bonding and the like, the detachable connection not only can ensure the connection quality, but also can avoid the reduction of the detection precision of the device caused by the transitional stress (tensile force and pressure generated by the connection of the bolts and thermal deformation caused by welding heat during the welding) of the reference body 2 or the turntable 1.
As a specific form of the reference body 2, there is provided: the reference body 2 is a flat ruler fixed on the table top of the turntable 1, the table top is perpendicular to the axis, the reference surface is a side surface of one side of the flat ruler, and the reference surface is perpendicular to the table top. By adopting the scheme, when the table top of the turntable 1 is a horizontal plane, the reference plane is a vertical plane, so that an accurate straightness evaluation curve is conveniently fitted by matching with the specific form and the movement direction of the linear shaft in space in the prior art.
In view of the influence of the reference surface on the test accuracy, the present solution is preferably implemented by using the reference surfaces defined in the above steps as the same surface, but in view of the fact that the reference surface is the side surface of the reference body 2 close to the a axis as in the initial position, as in the step c), after the turntable 1 rotates 180 °, the straightness evaluation curve of the a axis is obtained, the reference surface is located at the side of the reference body 2 away from the a axis, and in order that the measuring head of the indicator 4 can act on the reference surface by changing the form of the clamping device 5, the following is provided: the clamping device 5 comprises a first clamp used for being connected with a machine tool shaft, a first rotating rod, a transition piece, a second rotating rod and a second clamp, wherein one end of the first rotating rod is connected with the first clamp, the transition piece is connected with the other end of the first rotating rod, one end of the second rotating rod is connected with the transition piece, the second clamp is connected with the other end of the second rotating rod, the second clamp is used for being connected with an indicator 4, and the indicator 4 is a dial indicator or a dial indicator with gauge heads at two ends;
the first rotating rod and the second rotating rod are mutually perpendicular, and the second rotating rod can rotate relative to the axis of the first rotating rod;
the locking piece is used for locking the relative positions of the first rotating rod and the second rotating rod;
the position of the indicator 4 relative to the first clamp is adjustable in the axial direction of the first rotating lever. In this scheme, because first bull stick and second bull stick are the straight-bar locking piece is to there not being the mutual constraint between first bull stick and the second bull stick, if to the condition that revolving stage 1 rotated 180 degrees, can make the second bull stick rotate around first bull stick, and the free end of second bull stick rotates upwards in order to cross the upside of reference body, adjusts the position of indicator 4 for first anchor clamps simultaneously: the indicator 4 is moved to the side far from the A axis, and then the other side of the indicator 4 is connected with the gauge outfit compared with the step c), at this time, the purpose of using the same datum plane can be achieved. Preferably, the first rotating rod is in clearance fit with the first clamp, the first clamp is further in threaded connection with a locking screw for fastening the first rotating rod, one end of the transition piece is fixedly connected with the first rotating rod, a bayonet is arranged at the other end of the transition piece, one end of the second rotating rod is embedded into the bayonet, fastening of the transition piece and the second rotating rod is achieved through a compression bolt which is arranged on the transition piece and used for restraining the size of the bayonet, the second clamp is also in a scheme of adopting the bayonet to be matched with the compression bolt to fix the gauge outfit of the indicator 4, but the bayonet clearance on the second clamp is a through hole, so that the indicator 4 can extend or draw close relative to the second clamp as much as possible.
As a technical scheme capable of rapidly completing corresponding data processing through a computer, the system further comprises a data acquisition system 6 and a data analysis system 7, wherein the data acquisition system 6 is in data connection with the indicator 4, the data acquisition system 6 is used for acquiring data obtained by the indicator 4, the data analysis system 7 is in data connection with the data acquisition system 6, and the data analysis system 7 is used for processing the data obtained by the data acquisition system 6 and fitting a straight line axis straightness evaluation curve.
As a technical scheme for conveniently controlling the rotation of the turntable 1 and directly outputting the actual rotation angle, the turntable 1 is an electric turntable capable of setting the rotation direction, the rotation angle and outputting the actual rotation angle. Preferably, the turntable 1 is in data connection with the data acquisition system 6, so that the whole device has the characteristic of directly reading the original data to quickly obtain the detection result.
Example 3:
the embodiment is further defined on the basis of embodiment 1, and the further technical scheme of the perpendicularity detecting device is as follows: as described above, in the process of collecting data by the indicator 4 through each linear axis linear motion, although only the contact between the measuring head of the indicator 4 and the reference surface needs to be ensured, considering that if the linear axis motion distance is longer or the included angle between the reference surface and the moving linear axis is too large, the measuring range of the indicator 4 is required to be larger, but the maximum measuring range of the existing precise dial indicator or dial indicator is generally only tens of millimeters or even a few millimeters, and considering the factor of implementation convenience of the existing indicator 4 to the scheme, the method is set as follows: further comprising a step b) located between steps a) and c):
during the follow-up, b) device adjustment: the axis a is linearly moved, the change of the indication value of the indicator 4 is observed, and the turntable 1 is rotated so that the reference surface of the reference body 2 is parallel to the axis a over the entire stroke of the axis a.
In order to reduce the influence of the reference surface machining error on the test result, the method comprises the following steps: the reference surfaces in the steps are the same reference surface.
In order to reduce the influence of the reference surface machining error on the test result, the method comprises the following steps: in step c), recording the starting and stopping positions of the measuring head of the indicator 4 marked on the reference surface;
in step e), the starting and stopping positions of the measuring head of the indicator 4 on the reference surface are consistent with the starting and stopping positions in step c) on the whole travel of the B axis;
in step g), the starting and stopping positions of the measuring head of the indicator 4 on the reference surface are consistent with the starting and stopping positions in step c) on the whole travel of the axis A;
in step i), the start and stop positions of the pointer 4 with respect to the reference surface are identical to those of step c) throughout the entire stroke of the B-axis movement.
The foregoing is a further detailed description of the invention in connection with specific preferred embodiments, and it is not intended that the invention be limited to these descriptions. Other embodiments of the invention, which are apparent to those skilled in the art to which the invention pertains without departing from its technical scope, shall be covered by the protection scope of the invention.
Claims (7)
1. The perpendicularity detection device between two linear axes of a machine tool comprises an indicator (4) for obtaining a straightness evaluation curve of the machine tool shaft, a clamping device (5) for connecting the indicator (4) with the machine tool shaft, and a reference body (2) for providing a reference surface for the indicator (4), and is characterized by further comprising a rotary table (1) capable of rotating around an axis of the rotary table (1), wherein the reference body (2) is arranged on the rotary table (1), when the axis is perpendicular to a plane where the two linear axes of the machine tool are located, the reference body (2) provides a reference surface for the indicator (4), the rotary table (1) is placed in a plane formed by the two linear axes to be measured and is fixed, the rotary table (1) is positioned between the two linear axes to be measured, and the axis of the rotary table (1) is perpendicular to the plane;
the reference body (2) is an independent component relative to the turntable (1), the connection relation between the reference body (2) and the turntable (1) is detachable connection, the reference body (2) is a flat ruler fixed on the table top of the turntable (1), the table top is perpendicular to the axis, the reference surface is a side surface of one side of the flat ruler, and the reference surface is perpendicular to the table top;
the clamping device (5) comprises a first clamp, a first rotating rod, a transition piece, a second rotating rod and a second clamp, wherein the first clamp is used for being connected with a machine tool shaft, one end of the first rotating rod is connected with the first clamp, the transition piece is connected with the other end of the first rotating rod, one end of the second rotating rod is connected with the transition piece, the second clamp is connected with the other end of the second rotating rod, the second clamp is used for being connected with an indicator (4), and the indicator (4) is a dial indicator or a dial indicator with gauge heads at two ends;
the first rotating rod and the second rotating rod are mutually perpendicular, and the second rotating rod can rotate relative to the axis of the first rotating rod;
the clamping device (5) further comprises a locking piece for locking the relative positions of the first rotating rod and the second rotating rod;
the position of the indicator (4) relative to the first clamp is adjustable in the axial direction of the first rotating rod.
2. The device for detecting the perpendicularity between two linear axis movements of a machine tool according to claim 1, further comprising a data acquisition system (6) and a data analysis system (7), wherein the data acquisition system (6) is in data connection with the indicator (4), the data acquisition system (6) is used for acquiring data obtained by the indicator (4), the data analysis system (7) is in data connection with the data acquisition system (6), and the data analysis system (7) is used for processing the data obtained by the data acquisition system (6) and fitting a linear axis straightness evaluation curve.
3. The device for detecting the perpendicularity between two linear axes of motion of a machine tool according to claim 1, wherein the turntable (1) is an electric turntable capable of setting a rotation direction, a rotation angle and an output actual rotation angle.
4. A method for detecting the perpendicularity between two linear axis movements of a machine tool, characterized in that the method is based on the device provided in any one of claims 1 to 3, said method comprising the following steps, which are carried out in sequence:
a) And (3) device installation: placing and fixing a rotary table (1) in a plane formed by two linear shafts to be tested, wherein the rotary table (1) is positioned between the two linear shafts to be tested, and the axis of the rotary table (1) is perpendicular to the plane;
the two linear shafts are respectively defined as an A shaft and a B shaft, the indicator (4) is connected with the A shaft through a clamping device, and a measuring head of the indicator (4) acts on a reference surface of the reference body (2);
c) The linear movement A axis is used for measurement: the rotating table (1) is locked, the A shaft is moved in a straight line, data of the indicator (4) in the movement process of the A shaft are collected, and in the movement process of the A shaft, a measuring head of the indicator (4) is always contacted with a reference surface;
d) The rotary table (1) rotates 90 degrees, the rotary table (1) is locked, the indicator (4) is connected to the B shaft through the clamping device (5), and the measuring head of the indicator (4) touches the reference surface of the reference body (2);
e) The linear movement B axis is used for measurement: the B shaft is moved in a straight line, data of the indicator (4) in the movement process of the B shaft are collected, and in the movement process of the B shaft, a measuring head of the indicator (4) is always contacted with a reference surface;
f) The turntable (1) rotates 90 °: rotating the rotary table (1) by 90 degrees in the rotating direction in the step d), locking the rotary table (1), connecting the indicator (4) on the A axis through the clamping device (5), and enabling the measuring head of the indicator (4) to touch the reference surface of the reference body (2);
g) The linear movement A axis is used for measurement: the A shaft is linearly moved, data of the indicator (4) in the movement process of the A shaft are collected, and in the movement process of the A shaft, a measuring head of the indicator (4) is always contacted with a reference surface;
h) The turntable (1) rotates 90 °: rotating the rotary table (1) by 90 degrees in the rotating direction in the step d), locking the rotary table (1), connecting the indicator (4) on the B shaft through the clamping device (5), and enabling the measuring head of the indicator (4) to touch the reference surface of the reference body (2);
i) The linear movement B axis is used for measurement: the B shaft is moved in a straight line, data of the indicator (4) in the movement process of the B shaft are collected, and in the movement process of the B shaft, a measuring head of the indicator (4) is always contacted with a reference surface;
j) And (3) data processing: fitting straightness evaluation curves of the motion of the axis A and the axis B by adopting the data acquired by the indicator (4) in the steps, and comparing the straightness evaluation curves with the included angles between the two straight axes respectively to obtain the included angle alpha between the straightness evaluation curves and the reference plane i (i＝1、2、3、4)：
Obtaining the product
Wherein alpha is the actual included angle between two linear axes;
with respect to alpha i ：
When i=1, α 1 E), obtaining an included angle between the straightness evaluation curve obtained by the data in the step e) and the reference plane;
when i=2, α 2 The included angle between the straightness evaluation curve obtained by the data in the step g) and the reference surface is set;
when i=3, α 3 The included angle between the straightness evaluation curve obtained by the data in the step i) and the reference plane is set;
when i=4, α 4 An included angle between the straightness evaluation curve obtained from the data in the step c) and the reference plane;
with respect to beta i ：
When i=1, β 1 The actual number of angles the turret (1) rotates during step d);
when i=2, β 2 The actual angle number of the turntable (1) in the step f);
when i=3, β 3 The actual angle number of the turntable (1) in the step h);
when i=4, β 4 After the rotation of the turntable (1) in the step h) is completed, the turntable (1) rotates in the rotation direction in the step d) to the rotation angle number required by the state of the turntable (1) in the step c);
namely:
the perpendicularity error can be expressed as:
5. the method for detecting perpendicularity between two linear axis movements of a machine tool according to claim 4, further comprising step b) between steps a) and c):
b) Device adjustment: the axis A is linearly moved, the change of the indication value of the indicator (4) is observed, and the rotary table (1) is rotated to enable the reference surface of the reference body (2) to be parallel to the axis A on the whole stroke of the axis A.
6. The method for detecting the perpendicularity between two linear axes of a machine tool according to claim 4, wherein the reference surfaces in the steps are the same reference surface.
7. The method for detecting the perpendicularity between two linear axes of motion of a machine tool according to claim 5, wherein in the step c), the starting and stopping positions of the measuring head of the indicator (4) on the reference surface are recorded;
in step e), the starting and stopping positions of the measuring head of the indicator (4) on the reference surface are consistent with the starting and stopping positions in step c) on the whole travel of the B axis;
in the step g), the starting and stopping positions of the measuring head of the indicator (4) on the reference surface are consistent with the starting and stopping positions in the step c) on the whole travel of the axis A;
in step i), the starting and stopping positions of the pointer (4) measuring head on the reference surface are consistent with the starting and stopping positions in step c) in the whole travel of the B axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339431.3A CN110006322B (en) | 2019-04-25 | 2019-04-25 | Device and method for detecting perpendicularity between two linear axes of machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339431.3A CN110006322B (en) | 2019-04-25 | 2019-04-25 | Device and method for detecting perpendicularity between two linear axes of machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110006322A CN110006322A (en) | 2019-07-12 |
| CN110006322B true CN110006322B (en) | 2024-01-30 |
Family
ID=67174214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910339431.3A Active CN110006322B (en) | 2019-04-25 | 2019-04-25 | Device and method for detecting perpendicularity between two linear axes of machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110006322B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872743B (en) * | 2020-07-21 | 2022-03-29 | 天津大学 | Device and method for detecting thermotropic straightness-verticality error of horizontal machining center |
| CN112880530A (en) * | 2021-02-08 | 2021-06-01 | 杭州爱科科技股份有限公司 | Perpendicularity and straightness detection tool convenient to align and working method thereof |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05248842A (en) * | 1992-03-05 | 1993-09-28 | Fuji Electric Co Ltd | Apparatus for measuring straightness of shape of cylindrical body |
| KR200293131Y1 (en) * | 2002-07-08 | 2002-10-25 | 강석민 | Measuring Instrument for Right Angle Degree |
| CN201535661U (en) * | 2009-07-07 | 2010-07-28 | 无锡动力工程股份有限公司 | Special gauge for gauging engine cylinder hole perpendicularity |
| CN102243053A (en) * | 2011-04-25 | 2011-11-16 | 平高集团有限公司 | Verticality gauge for tray |
| CN102506666A (en) * | 2011-10-21 | 2012-06-20 | 徐州师范大学 | Comprehensive test method for geometric accuracy of numerically controlled milling machine |
| CN103322888A (en) * | 2013-06-27 | 2013-09-25 | 林全忠 | Method for detecting perpendicularity of machine body |
| CN103363872A (en) * | 2013-08-07 | 2013-10-23 | 中科院南京天文仪器有限公司 | Device for detecting verticality of rotating shaft |
| CN204471183U (en) * | 2015-03-16 | 2015-07-15 | 中国科学院国家天文台南京天文光学技术研究所 | A kind of Technique of Three Axis CNC Machines |
| CN105290880A (en) * | 2015-11-27 | 2016-02-03 | 东方电气集团东方汽轮机有限公司 | Device and method for detecting perpendicularity of axis of spindle and reference axis in movement |
| CN105666247A (en) * | 2016-04-12 | 2016-06-15 | 莱芜钢铁集团有限公司 | Auxiliary assembly and method for correcting machine tool lifting track perpendicularity |
| CN205561739U (en) * | 2016-03-07 | 2016-09-07 | 潍柴重机股份有限公司 | Lathe main shaft squareness measurement device |
| CN106370090A (en) * | 2016-11-04 | 2017-02-01 | 中铁隆昌铁路器材有限公司 | Long bolt straightness checker and detection method |
| CN107727051A (en) * | 2017-11-28 | 2018-02-23 | 中国工程物理研究院机械制造工艺研究所 | A kind of reversal process linearity measurer based on 6 DOF adjustment |
| CN108153234A (en) * | 2018-01-30 | 2018-06-12 | 中国工程物理研究院机械制造工艺研究所 | The full degree of freedom accuracy detecting device of lathe linear motion run mode |
| CN108413849A (en) * | 2018-03-09 | 2018-08-17 | 芜湖天梦信息科技有限公司 | A kind of detection method and detection device of three axis verticality of vertical machining centre |
| CN108508842A (en) * | 2018-04-04 | 2018-09-07 | 中国工程物理研究院激光聚变研究中心 | The straightness error detection method of numerically-controlled machine tool the linear guide |
| JP2019035710A (en) * | 2017-08-21 | 2019-03-07 | Ntn株式会社 | Rolling bearing perpendicularity measuring device and rolling bearing perpendicularity measuring method |
| CN109520443A (en) * | 2018-10-22 | 2019-03-26 | 天津大学 | A kind of roll angle measurement method based on combinatorial surface type standard |
| CN209495642U (en) * | 2019-04-25 | 2019-10-15 | 中国工程物理研究院机械制造工艺研究所 | A kind of testing apparatus for verticality between two linear axis of lathe movement |
-
2019
- 2019-04-25 CN CN201910339431.3A patent/CN110006322B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05248842A (en) * | 1992-03-05 | 1993-09-28 | Fuji Electric Co Ltd | Apparatus for measuring straightness of shape of cylindrical body |
| KR200293131Y1 (en) * | 2002-07-08 | 2002-10-25 | 강석민 | Measuring Instrument for Right Angle Degree |
| CN201535661U (en) * | 2009-07-07 | 2010-07-28 | 无锡动力工程股份有限公司 | Special gauge for gauging engine cylinder hole perpendicularity |
| CN102243053A (en) * | 2011-04-25 | 2011-11-16 | 平高集团有限公司 | Verticality gauge for tray |
| CN102506666A (en) * | 2011-10-21 | 2012-06-20 | 徐州师范大学 | Comprehensive test method for geometric accuracy of numerically controlled milling machine |
| CN103322888A (en) * | 2013-06-27 | 2013-09-25 | 林全忠 | Method for detecting perpendicularity of machine body |
| CN103363872A (en) * | 2013-08-07 | 2013-10-23 | 中科院南京天文仪器有限公司 | Device for detecting verticality of rotating shaft |
| CN204471183U (en) * | 2015-03-16 | 2015-07-15 | 中国科学院国家天文台南京天文光学技术研究所 | A kind of Technique of Three Axis CNC Machines |
| CN105290880A (en) * | 2015-11-27 | 2016-02-03 | 东方电气集团东方汽轮机有限公司 | Device and method for detecting perpendicularity of axis of spindle and reference axis in movement |
| CN205561739U (en) * | 2016-03-07 | 2016-09-07 | 潍柴重机股份有限公司 | Lathe main shaft squareness measurement device |
| CN105666247A (en) * | 2016-04-12 | 2016-06-15 | 莱芜钢铁集团有限公司 | Auxiliary assembly and method for correcting machine tool lifting track perpendicularity |
| CN106370090A (en) * | 2016-11-04 | 2017-02-01 | 中铁隆昌铁路器材有限公司 | Long bolt straightness checker and detection method |
| JP2019035710A (en) * | 2017-08-21 | 2019-03-07 | Ntn株式会社 | Rolling bearing perpendicularity measuring device and rolling bearing perpendicularity measuring method |
| CN107727051A (en) * | 2017-11-28 | 2018-02-23 | 中国工程物理研究院机械制造工艺研究所 | A kind of reversal process linearity measurer based on 6 DOF adjustment |
| CN108153234A (en) * | 2018-01-30 | 2018-06-12 | 中国工程物理研究院机械制造工艺研究所 | The full degree of freedom accuracy detecting device of lathe linear motion run mode |
| CN108413849A (en) * | 2018-03-09 | 2018-08-17 | 芜湖天梦信息科技有限公司 | A kind of detection method and detection device of three axis verticality of vertical machining centre |
| CN108508842A (en) * | 2018-04-04 | 2018-09-07 | 中国工程物理研究院激光聚变研究中心 | The straightness error detection method of numerically-controlled machine tool the linear guide |
| CN109520443A (en) * | 2018-10-22 | 2019-03-26 | 天津大学 | A kind of roll angle measurement method based on combinatorial surface type standard |
| CN209495642U (en) * | 2019-04-25 | 2019-10-15 | 中国工程物理研究院机械制造工艺研究所 | A kind of testing apparatus for verticality between two linear axis of lathe movement |
Non-Patent Citations (2)
| Title |
|---|
| "甩表"测量误差的分析与排除;卫锋;机械工人.冷加工(第03期);第30-32页 * |
| 线振动台台面对运动直线的垂直度误差测试技术;师少龙;董春梅;任顺清;;机械工程师(第09期);第111-113页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110006322A (en) | 2019-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105290880B (en) | A kind of device and method detecting verticality between main-shaft axis and datum axis movement | |
| WO2021189298A1 (en) | Swing head position error detection and identification method for ca double-swing-head five-axis numerically controlled machine tool | |
| CN205614070U (en) | Machine tooling equipment rotation axis rotation center calibrating device | |
| CN105571461A (en) | Accuracy measurement method for precision tapered hole | |
| CN109253710B (en) | Calibration method for zero error of A axis of REVO measuring head | |
| CN110514127B (en) | Automatic light beam direction calibration method based on section line method | |
| CN110006322B (en) | Device and method for detecting perpendicularity between two linear axes of machine tool | |
| CN110375698B (en) | Inner hole roundness in-situ measurement method based on parameter identification | |
| CN113446968B (en) | Method for detecting and identifying installation error of main shaft and coaxiality of main shaft and C axis | |
| CN205209415U (en) | Accurate taper hole NULL device | |
| CN110906838B (en) | Three-lobe bearing raceway profile measuring instrument | |
| CN216925477U (en) | Wafer rod detection device | |
| US20030101602A1 (en) | Measurement of geometric parameters of internal and external screw thread and similar grooves | |
| CN110645935B (en) | Accurate calibration method for installation offset of integrated displacement sensor of numerical control rotating shaft | |
| CN206073936U (en) | A kind of general cambered surface cam mechanism accuracy detection experimental provision | |
| CN209745191U (en) | Detection device for hole and shaft belt pin | |
| CN204757949U (en) | Measurement device for main shaft developments gyration error is equipped in complete set gyration | |
| CN207816163U (en) | A kind of high-precision detector measuring L-type planeness of workpiece verticality | |
| CN206618368U (en) | A kind of roundness measuring device | |
| CN110779418A (en) | Method for measuring length of cone on line by double meters | |
| CN107529473B (en) | Cylinder zoom cam machining precision detection device and application method thereof | |
| CN209495642U (en) | A kind of testing apparatus for verticality between two linear axis of lathe movement | |
| CN106903612B (en) | Tool detector and implementation method | |
| CN203561327U (en) | Integral ball valve body machining form and location tolerance detection device | |
| CN105823394B (en) | A kind of workpiece V-groove measuring device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |