CN105403127A - Adjusting method for division error of angle measuring equipment - Google Patents
Adjusting method for division error of angle measuring equipment Download PDFInfo
- Publication number
- CN105403127A CN105403127A CN201510824533.6A CN201510824533A CN105403127A CN 105403127 A CN105403127 A CN 105403127A CN 201510824533 A CN201510824533 A CN 201510824533A CN 105403127 A CN105403127 A CN 105403127A
- Authority
- CN
- China
- Prior art keywords
- scale
- reading
- adjusting
- microscope
- error
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 239000002023 wood Substances 0.000 claims description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000011160 research Methods 0.000 description 7
- 238000012795 verification Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000036461 convulsion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention relates to an adjusting method for a division error of angle measuring equipment. In order to adjust an eccentric error, a scheme of diameter observation and adjustment is employed. A line connecting direction from 0 degree to 180 degrees is aligned and a dial is adjusted at a line connecting direction of scale lines of 90 degrees and 270 degrees, so that no deviation between the dial plate center and the main shaft rotation center exists. The dial is rotated by 90 degrees and is adjusted according to a line connecting direction of scale lines of 90 degrees and 180 degrees, so that the dial center and the main shaft rotation center are overlapped completely. Calibration is carried out by using a standard polygonal prism and an autocollimator; if the precision does not meet a measurement requirement, adjustment is carried out repeatedly by using the method until the measurement precision meets a using requirement of angle measuring equipment. The method has the following advantages: the operation is simple and convenient; the method is easy to adjust and operate; the measurement precision can reach a best state; the using state of the method is stable; the market demand is large; the data are stable and reliable; the adjustment precision can reach 3''; and the expected using requirement of the conventional angle measuring equipment can be met.
Description
Technical field
The present invention relates to measuring equipment calibration field, a kind of particularly adjusting method of the angle-measuring equipment error of division.
Background technology
Index plate, dividing head are the main measuring equipments measuring part or standard component Angular Dimension, and wherein scale is the requisite significant components of angle-measuring equipment, and its angle measuring principle is the actual angle numerical value drawn compared with scale standard angle by measured angle.On the main shaft that scale is generally all fixed on angle-measuring equipment or axle sleeve, and export reading by optics or digital display parts.
Whether accurate the precision of angle-measuring equipment is, depends primarily on two error criterions, and one is the scoring errors of scale, and another is the delineation center of scale and the registration at actual revolving shaft center.Scoring errors due to scale is immobilize (being dispatched from the factory guarantee by manufacturer), to ensure and improving measuring accuracy, only has the registration reducing scale delineation center and actual main shaft gyration axle center.
At present, the existing a large amount of angle-measuring equipment of company is due to long-term use, and angle measurement accuracy reduces greatly.Owing to there is no special adjusting equipment, so the adjusting of the angle-measuring equipment error of division always is a difficult problem, when the adjusting index plate error of indication, because the size and Orientation of offset cannot accurately judge, so when adjusting offset, can only with sensation adjusting, every adjusting once all needs to reinstall housing and polygon checks; Adjusting calibration bias, need repeated multiple times dismounting, installation and detection, efficiency is lower, and final adjusting effect is also difficult to reach requirement accurately.
For pressing close to company's research and production, quick solution spot measurement device repair issues, improves measuring equipment accuracy of detection, and we adopt diameter to adjust eccentric center principle, the research and design method of adjustment of a deviation amount, can carry out adjusting to the angle-measuring equipment error of division of different radii.The method feature is simple to operate, convenient, and the accuracy of detection of angle-measuring equipment can be made to reach optimum condition.Therefore, the adjusting method of research, the design angle-measuring equipment error of division, to guarantee Product checking and crudy, significant.
Summary of the invention
The object of the invention is the eccentric error in order to reduce circular graduation center and spindle central, improve angle-measuring equipment in existing accuracy of detection, promote angle-measuring equipment error of division service technique ability, ensure product quality, spy provides a kind of adjusting method of the angle-measuring equipment error of division.
The invention provides a kind of adjusting method of the angle-measuring equipment error of division, it is characterized in that: the adjusting method of the described angle-measuring equipment error of division:
1) the eccentric impact on the angle-measuring equipment error of division
When using after being installed to angle-measuring equipment main shaft as the scale of angle measurement standard, often producing scale groove circle center and do not overlap with the rotation center of instrument shaft system, as Fig. 1.If the groove center of scale is O, instrument shaft system rotation center is O ', and represent eccentric length with e, eccentric direction is in the position of groove p, and p groove is φ to the angle value of 0 ° of groove
p.
When O and O ' does not overlap, when having eccentric e, then what read at A ' place is not angle ∠ COA but angle ∠ φ
a ', according to sine, the error angle ε of generation has:
ε＝ρ″e﹒sinφ/R……(1)
In formula: e-offset, unit is mm;
R-scale delineation radius, unit is mm;
The corner of φ-from eccentric direction, unit is °;
ρ″—ρ″＝206265
As can be seen from (1) formula, the error ε that bias causes is sine function, and namely error size changes with the sine of corner.
The adjustment principle of the angle-measuring equipment error of division and scheme:
In order to adjust eccentric error, adopt the scheme of diameter observation and adjustment.First aim at 0 ° ~ 180 ° line directions and adjust upward scale groove 90 ° with 270 ° of line sides, making scale center and main shaft rotation center bias free in vertical direction.And then rotate scale 90 °, adjust scale by groove 0 ° and 180 ° of line directions, scale center is overlapped completely with main shaft rotation center.
Concrete adjusting scheme is as follows:
1. rotate scale, cause greatly scale 0 ° ~ 180 ° line directions to be aimed at both sides reading microscope.Adjustment reading microscope, and both sides reading microscope graticule is accurately aimed at, as Fig. 2 with 0 ° and 180 ° respectively.
2. rotate scale 180 °, observe two reading microscopes and vernier dial, make both sides reading groove line parallel with 0 ° ~ 180 ° line directions, namely reading difference in two ends is equal, as Fig. 3.
3. now, rap at scale 90 ° or 270 ° of positions with wood round bar forming, make scale prolong DC direction and move, as Fig. 3, until scale center and main shaft rotation center are in the cd direction contour (even if the reading value at A, B place reduces half), as Fig. 4.
4. rotate scale again and left and right fine setting reading microscope, both sides reading microscope graticule is accurately aimed at, as Fig. 5 with 90 ° and 270 ° respectively.
5. rotate scale 180 °, observe two reading microscopes and vernier dial, make both sides reading groove line parallel with 90 ° ~ 270 ° line directions, namely reading difference in two ends is equal, as Fig. 6.
6. now, rap at scale 0 ° or 180 ° of positions with wood round bar forming, make scale prolong DC direction and move, as Fig. 6, until scale center overlaps with main shaft rotation center (even if the reading value at A, B place reduces half), as Fig. 7.
7. adopt standard polygon and autocollimator to calibrate, if precision can not meet measurement requirement, adjustment can be repeated as stated above, until measuring accuracy is satisfied with angle-measuring equipment request for utilization.
The critical piece of composition adjusting device and effect:
(1) reading microscope
Affect principle according to bias to the error of indication, this adjusting device have employed two diameter reading microscopes and carries out observation debugging.First two reading microscopes are aimed at scale delineation center to path position, after rotating scale 180 °, if there is centering error, then directly can be measured the eccentric position of rotation center by two microscopical diameter readings, during adjusting, can directly observe and the size and Orientation of adjusting offset.
(2) other parts of adjusting device and effect
Adjusting apparatus structure forms, as Fig. 8 primarily of reading microscope, cross arm bracket, lifting nut, column, radial slider and table base.
Deviation is inddex dial delineation center and the deviation of scale axle sleeve concentricity, and therefore this adjusting gear must possess a firm base, is fixed on by the pedestal of the scale of adjusting together with index plate on the base of this adjusting gear.
A pair microscope is connected with base with slide block by column, microscope can move up and down along pillar, microscopical enlargement ratio adopts 40 ~ 80 times, fixes microscope tube when microscope is transferred to and can be seen scale ruling, and moving up and down of trace is solved by microscopical focusing drum.
Microscope pillar is connected on slide block, adjusts microscopical teeter with set nut.In order to adapt to the scale of various different diameter, scale base devising grooved rail, making slide block radially move along guide rail and to adjust.
Being interconnected and relative motion of above-mentioned machinery, all must ensure to have strict stability, never allow to produce anyly to rock, gap moves.Because small amount of exercise, the adjusting for deviation all can have a huge impact, the quality that deviation corrects, and reflects the most at last in instrument micrometer reading device.
Adopt this method of adjustment, substantially increase the adjusting efficiency of the angle-measuring equipment error of division, decrease the adjusting time.Former adjusting index plate error of indication needs five days, now only need within one day, just can complete indicating value adjusting project, and can greatly improve index plate accuracy of detection, adjusting precision can reach 2 "; improve 5 than the precision of former adjusting method ", through repeatedly repetition test, verify the more stable property of this detection system repeatability, checking comparison result can meet expection request for utilization.
Calculate according to year adjusting angle-measuring equipment 10, outside nearly 3,000 yuan of the adjusting expense of every part, year creates nearly 30,000 yuan of benefit, the more important thing is by the research to index plate error of indication adjusting device, not only quick solution circular graduation center and spindle central centering error problem, and can greatly improve index plate measuring accuracy.
Angle-measuring equipment error of division adjusting gear structural drawing and explanation
(1) apparatus structure forms primarily of reading microscope, cross arm bracket, lifting nut, column, radial slider and table base;
(2) each parts interact
1. reading microscope has 2, and its effect aims at scale groove and carries out reading; 2. cross arm bracket can clamp reading microscope and drive it to focus up and down, also can left-right rotation coarse adjustment aim at line; 5. 4. lifting nut can drive cross arm bracket oscilaltion along column; 3. cross arm bracket can tighten up by set nut; 6. radial slider can move along work top and radial groove, to adapt to the adjustment of scale different radii.
Calibration process:
1) angle-measuring equipment error of division adjusting step:
1. will be removed by adjusting index plate shell and be installed on adjusting device centre position, as Fig. 8, inspection scale face runout and main axis jerking, and should control in certain margin tolerance.General employing clock gauge is measured, and when scale rotates a circle, measures its jerk value by clock gauge.
2. adjust two radial slider, make two reading microscope rough alignment scales; Adjustment lifting nut makes scale image definition be presented in microscopic fields of view; Micro-ly turn transverse arm and fine setting reading microscope, on the reference circle first making reading microscope reticle alignment scale a bit;
3. rotate scale one week, find out reference circle and depart from the minimum and maximum position of cross curve, as the lining screw of figure adjustment fixed indexing plate, make maximum or minimum position get back to both the half of differences, repeatedly adjust, till cannot judging by vision.
More than the installation of index plate and the coarse adjustment of deviation.
4. scale 0 ° and 180 ° of positions are aimed at respectively with two reading microscopes; Then scale is rotated 180 °, makes the original reading microscope aiming at 0 ° aim at 180 °, observe in another reading microscope 0 ° with the bias of original 180 ° of positions.This bias is the twice of circular graduation center and actual centre of gyration deviation, with fine setting, this microscope is moved the half of bias, and second half is corrected by the lining screw adjusting fixed indexing plate.Scale is turned over 90 °, two reading microscopes aim at 90 ° and 270 ° of two positions respectively, correct by above-mentioned same method.
5., after adjusting completes, elder generation for starting point, checks the error size of 90 °, 180 °, 270 °, 360 ° 4 with 0 °; If error is greater than 2 ", then proceed adjusting as stated above until meet the requirements; Meet the error difference of 0 °, 90 °, 180 °, 270 ° 4 and be not more than 2 " index plate, then examine and determine by every 30 ° of intervals, the difference of each measured point error within the scope of circle must be made to be less than 2 ";
More than adjust need of work repeatedly to carry out, till reaching requirement, finally scale is fixed.
2) calibration of the angle-measuring equipment error of division after adjusting
During calibration, circular dividing table reference position is in zero-bit, is fixed on by polygon on circular dividing table workplace, and it is concentric as circular dividing table revolving shaft to adjust rib body axis of rotation, as Fig. 5.Autocollimator is placed on pedestal, and adjustment autocollimator, makes optical axis approximately through center, rib body running face, and aim at rib body 0 ° of workplace, and autocollimator index line aimed at by the image reflected by rib body running face, and circular dividing table reading is a
1.Then rotate circular dividing table handwheel, make rib body the 2nd, 3 ..., n workplace aims at autocollimator original position successively, and reads a by circular dividing table
2, a
3..., a
n, finally get back to reference position, back to zero difference requires to be no more than 1 scale division value being calibrated circular dividing table.The error of indication of a measurement point is tried to achieve by (1) formula:
△
i＝a
i-β
i……(1)
In formula: △
i-circular dividing table is by the cautious error of indication;
A
i-circular dividing table is by cautious reading value;
β
i-rib body actual corners angle value.
Get the difference of the maxima and minima of measured value in two survey time of both forward and reverse directions, as the circular dividing table error of division.
△＝(△
i)
max–(△
i)
min……(2)
Judge according to above calibration result: in each measured position, the error of indication difference of any two points is all less than 2.0 ", illustrate and can be met expection request for utilization by the index plate error of indication of adjusting.
3) conclusion
By analysis and the research of index plate error of indication adjusting technology, the induction and conclusion adjusting method of the conventional Angle Measuring Equipment error of indication, propose the method adopting and observe scale diameter deviation, determine eccentric direction and the size of scale, eliminate scale deviation with this.The program can not only the fast adjusting index plate error of indication, can greatly improve index plate measuring accuracy simultaneously, by verification experimental verification, sufficient proof the method adjusting precision can reach 2 " within; the request for utilization of expection can be met; thus improve accuracy of detection and the machining precision of Angle Measuring Equipment, ensure Product checking and crudy.
Deviation is inddex dial delineation center and the deviation of scale axle sleeve concentricity, and therefore this adjusting gear must possess a firm base, is fixed on by the pedestal of the scale of adjusting together with index plate on the base of this adjusting gear.
A pair microscope is by being connected with base with slide block by column, microscope can move up and down along pillar, microscopical enlargement ratio adopts 40 ~ 80 times, fixes microscope tube when microscope is transferred to and can be seen scale ruling, and moving up and down of trace is solved by microscopical focusing drum.
Microscope pillar is connected on slide block, adjusts microscopical teeter with set nut.In order to adapt to the scale of various different diameter, scale base devising grooved rail, making slide block radially move along guide rail and to adjust.
Advantage of the present invention:
The adjusting method of the angle-measuring equipment error of division of the present invention, simple to operate, convenient, be easy to adjusting operation, measuring accuracy can be made to reach optimum condition.Empirical tests, this adjusting method using state is stablized, and should have the good market demand.Data stabilization is reliable, and adjusting precision generally can reach 3 ", the expection request for utilization of conventional angle-measuring equipment can be met.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 is eccentric error schematic diagram;
Fig. 2 is that schematic diagram is aimed in 0-180 ° of direction;
Fig. 3 is that schematic diagram is departed from 180-0 ° of direction;
Fig. 4 is 90-270 ° of direction adjustment schematic diagram; ;
Fig. 5 is that schematic diagram is aimed in 270-90 ° of direction;
Fig. 6 is that schematic diagram is departed from 90-270 ° of direction; ;
Fig. 7 is 0-180 ° of direction adjustment schematic diagram;
Fig. 8 is angle-measuring equipment error of division adjusting gear schematic diagram;
In figure, 1. reading microscope 2. cross arm bracket 3. set nut 4. lifting nut
5. column 6. radial slider 7. table base 8. by adjusting index plate.
Embodiment
Embodiment 1
The invention provides a kind of adjusting method of the angle-measuring equipment error of division, it is characterized in that: the adjusting method of the described angle-measuring equipment error of division:
1) the eccentric impact on the angle-measuring equipment error of division
When using after being installed to angle-measuring equipment main shaft as the scale of angle measurement standard, often producing scale groove circle center and do not overlap with the rotation center of instrument shaft system, as Fig. 1.If the groove center of scale is O, instrument shaft system rotation center is O ', and represent eccentric length with e, eccentric direction is in the position of groove p, and p groove is φ to the angle value of 0 ° of groove
p.
When O and O ' does not overlap, when having eccentric e, then what read at A ' place is not angle ∠ COA but angle ∠ φ
a ', according to sine, the error angle ε of generation has:
ε＝ρ″e﹒sinφ/R……(1)
In formula: e-offset, unit is mm;
R-scale delineation radius, unit is mm;
The corner of φ-from eccentric direction, unit is °;
ρ″—ρ″＝206265
As can be seen from (1) formula, the error ε that bias causes is sine function, and namely error size changes with the sine of corner.
The adjustment principle of the angle-measuring equipment error of division and scheme:
In order to adjust eccentric error, adopt the scheme of diameter observation and adjustment.First aim at 0 ° ~ 180 ° line directions and adjust upward scale groove 90 ° with 270 ° of line sides, making scale center and main shaft rotation center bias free in vertical direction.And then rotate scale 90 °, adjust scale by groove 0 ° and 180 ° of line directions, scale center is overlapped completely with main shaft rotation center.
Concrete adjusting scheme is as follows:
1. rotate scale, cause greatly scale 0 ° ~ 180 ° line directions to be aimed at both sides reading microscope.Adjustment reading microscope, and both sides reading microscope graticule is accurately aimed at, as Fig. 2 with 0 ° and 180 ° respectively.
2. rotate scale 180 °, observe two reading microscopes and vernier dial, make both sides reading groove line parallel with 0 ° ~ 180 ° line directions, namely reading difference in two ends is equal, as Fig. 3.
3. now, rap at scale 90 ° or 270 ° of positions with wood round bar forming, make scale prolong DC direction and move, as Fig. 3, until scale center and main shaft rotation center contour in the cd direction, even if A, B place reading value reduce half, as Fig. 4.
4. rotate scale again and left and right fine setting reading microscope, both sides reading microscope graticule is accurately aimed at, as Fig. 5 with 90 ° and 270 ° respectively.
5. rotate scale 180 °, observe two reading microscopes and vernier dial, make both sides reading groove line parallel with 90 ° ~ 270 ° line directions, namely reading difference in two ends is equal, as Fig. 6.
6. now, rap at scale 0 ° or 180 ° of positions with wood round bar forming, make scale prolong DC direction and move, as Fig. 6, until scale center overlaps with main shaft rotation center (even if the reading value at A, B place reduces half), as Fig. 7.
7. adopt standard polygon and autocollimator to calibrate, if precision can not meet measurement requirement, adjustment can be repeated as stated above, until measuring accuracy is satisfied with angle-measuring equipment request for utilization.
The critical piece of composition adjusting device and effect:
(1) reading microscope
Affect principle according to bias to the error of indication, this adjusting device have employed two diameter reading microscopes and carries out observation debugging.First two reading microscopes are aimed at scale delineation center to path position, after rotating scale 180 °, if there is centering error, then directly can be measured the eccentric position of rotation center by two microscopical diameter readings, during adjusting, can directly observe and the size and Orientation of adjusting offset.
(2) other parts of adjusting device and effect
Adjusting apparatus structure forms, as Fig. 8 primarily of reading microscope, cross arm bracket, lifting nut, column, radial slider and table base.
Deviation is inddex dial delineation center and the deviation of scale axle sleeve concentricity, and therefore this adjusting gear must possess a firm base, is fixed on by the pedestal of the scale of adjusting together with index plate on the base of this adjusting gear.
A pair microscope is connected with base with slide block by column, microscope can move up and down along pillar, microscopical enlargement ratio adopts 40 ~ 80 times, fixes microscope tube when microscope is transferred to and can be seen scale ruling, and moving up and down of trace is solved by microscopical focusing drum.
Microscope pillar is connected on slide block, adjusts microscopical teeter with set nut.In order to adapt to the scale of various different diameter, scale base devising grooved rail, making slide block radially move along guide rail and to adjust.
Being interconnected and relative motion of above-mentioned machinery, all must ensure to have strict stability, never allow to produce anyly to rock, gap moves.Because small amount of exercise, the adjusting for deviation all can have a huge impact, the quality that deviation corrects, and reflects the most at last in instrument micrometer reading device.
Adopt this method of adjustment, substantially increase the adjusting efficiency of the angle-measuring equipment error of division, decrease the adjusting time.Former adjusting index plate error of indication needs five days, now only need within one day, just can complete indicating value adjusting project, and can greatly improve index plate accuracy of detection, adjusting precision can reach 2 "; improve 5 than the precision of former adjusting method ", through repeatedly repetition test, verify the more stable property of this detection system repeatability, checking comparison result can meet expection request for utilization.
Calculate according to year adjusting angle-measuring equipment 10, outside nearly 3,000 yuan of the adjusting expense of every part, year creates nearly 30,000 yuan of benefit, the more important thing is by the research to index plate error of indication adjusting device, not only quick solution circular graduation center and spindle central centering error problem, and can greatly improve index plate measuring accuracy.
Angle-measuring equipment error of division adjusting gear structural drawing and explanation
Apparatus structure forms primarily of reading microscope, cross arm bracket, lifting nut, column, radial slider and table base;
Each parts interact
1. reading microscope has 2, and its effect aims at scale groove and carries out reading; 2. cross arm bracket can clamp reading microscope and drive it to focus up and down, also can left-right rotation coarse adjustment aim at line; 5. 4. lifting nut can drive cross arm bracket oscilaltion along column; 3. cross arm bracket can tighten up by set nut; 6. radial slider can move along work top and radial groove, to adapt to the adjustment of scale different radii.
Calibration process:
1) angle-measuring equipment error of division adjusting step:
1. will be removed by adjusting index plate shell and be installed on adjusting device centre position, as Fig. 8, inspection scale face runout and main axis jerking, and should control in certain margin tolerance.General employing clock gauge is measured, and when scale rotates a circle, measures its jerk value by clock gauge.
2. adjust two radial slider, make two reading microscope rough alignment scales; Adjustment lifting nut makes scale image definition be presented in microscopic fields of view; Micro-ly turn transverse arm and fine setting reading microscope, on the reference circle first making reading microscope reticle alignment scale a bit;
3. rotate scale one week, find out reference circle and depart from the minimum and maximum position of cross curve, as the lining screw of figure adjustment fixed indexing plate, make maximum or minimum position get back to both the half of differences, repeatedly adjust, till cannot judging by vision.
More than the installation of index plate and the coarse adjustment of deviation.
4. scale 0 ° and 180 ° of positions are aimed at respectively with two reading microscopes; Then scale is rotated 180 °, makes the original reading microscope aiming at 0 ° aim at 180 °, observe in another reading microscope 0 ° with the bias of original 180 ° of positions.This bias is the twice of circular graduation center and actual centre of gyration deviation, with fine setting, this microscope is moved the half of bias, and second half is corrected by the lining screw adjusting fixed indexing plate.Scale is turned over 90 °, two reading microscopes aim at 90 ° and 270 ° of two positions respectively, correct by above-mentioned same method.
5., after adjusting completes, elder generation for starting point, checks the error size of 90 °, 180 °, 270 °, 360 ° 4 with 0 °; If error is greater than 2 ", then proceed adjusting as stated above until meet the requirements; Meet the error difference of 0 °, 90 °, 180 °, 270 ° 4 and be not more than 2 " index plate, then examine and determine by every 30 ° of intervals, the difference of each measured point error within the scope of circle must be made to be less than 2 ";
More than adjust need of work repeatedly to carry out, till reaching requirement, finally scale is fixed.
2) calibration of the angle-measuring equipment error of division after adjusting
During calibration, circular dividing table reference position is in zero-bit, is fixed on by polygon on circular dividing table workplace, and it is concentric as circular dividing table revolving shaft to adjust rib body axis of rotation, as Fig. 5.Autocollimator is placed on pedestal, and adjustment autocollimator, makes optical axis approximately through center, rib body running face, and aim at rib body 0 ° of workplace, and autocollimator index line aimed at by the image reflected by rib body running face, and circular dividing table reading is a
1.Then rotate circular dividing table handwheel, make rib body the 2nd, 3 ..., n workplace aims at autocollimator original position successively, and reads a by circular dividing table
2, a
3..., a
n, finally get back to reference position, back to zero difference requires to be no more than 1 scale division value being calibrated circular dividing table.The error of indication of a measurement point is tried to achieve by (1) formula:
△
i＝a
i-β
i……(1)
In formula: △
i-circular dividing table is by the cautious error of indication;
A
i-circular dividing table is by cautious reading value;
β
i-rib body actual corners angle value.
Get the difference of the maxima and minima of measured value in two survey time of both forward and reverse directions, as the circular dividing table error of division.
△＝(△
i)
max–(△
i)
min……(2)
Judge according to above calibration result: in each measured position, the error of indication difference of any two points is all less than 2.0 ", illustrate and can be met expection request for utilization by the index plate error of indication of adjusting.
3) conclusion
By analysis and the research of index plate error of indication adjusting technology, the induction and conclusion adjusting method of the conventional Angle Measuring Equipment error of indication, propose the method adopting and observe scale diameter deviation, determine eccentric direction and the size of scale, eliminate scale deviation with this.The program can not only the fast adjusting index plate error of indication, can greatly improve index plate measuring accuracy simultaneously, by verification experimental verification, sufficient proof the method adjusting precision can reach 2 " within; the request for utilization of expection can be met; thus improve accuracy of detection and the machining precision of Angle Measuring Equipment, ensure Product checking and crudy.
Deviation is inddex dial delineation center and the deviation of scale axle sleeve concentricity, and therefore this adjusting gear must possess a firm base, is fixed on by the pedestal of the scale of adjusting together with index plate on the base of this adjusting gear.
A pair microscope is by being connected with base with slide block by column, microscope can move up and down along pillar, microscopical enlargement ratio adopts 40 ~ 80 times, fixes microscope tube when microscope is transferred to and can be seen scale ruling, and moving up and down of trace is solved by microscopical focusing drum.
Microscope pillar is connected on slide block, adjusts microscopical teeter with set nut.In order to adapt to the scale of various different diameter, scale base devising grooved rail, making slide block radially move along guide rail and to adjust.
Claims (1)
1. an adjusting method for the angle-measuring equipment error of division, is characterized in that: the adjusting method of the described angle-measuring equipment error of division:
The adjustment principle of the angle-measuring equipment error of division and scheme:
In order to adjust eccentric error, adopt the scheme of diameter observation and adjustment; First aim at 0 ° ~ 180 ° line directions and adjust upward scale groove 90 ° with 270 ° of line sides, making scale center and main shaft rotation center bias free in vertical direction; And then rotate scale 90 °, adjust scale by groove 0 ° and 180 ° of line directions, scale center is overlapped completely with main shaft rotation center;
Concrete adjusting scheme is as follows:
1. rotate scale, cause greatly scale 0 ° ~ 180 ° line directions to be aimed at both sides reading microscope; Adjustment reading microscope, and both sides reading microscope graticule is accurately aimed at 0 ° and 180 ° respectively;
2. rotate scale 180 °, observe two reading microscopes and vernier dial, make both sides reading groove line parallel with 0 ° ~ 180 ° line directions, namely reading difference in two ends is equal;
3. now, rap at scale 90 ° or 270 ° of positions with wood round bar forming, make scale prolong DC direction and move, as Fig. 3, until scale center and main shaft rotation center contour in the cd direction, even if A, B place reading value reduce half;
4. rotate scale again and left and right fine setting reading microscope, both sides reading microscope graticule is accurately aimed at 90 ° and 270 ° respectively;
5. rotate scale 180 °, observe two reading microscopes and vernier dial, make both sides reading groove line parallel with 90 ° ~ 270 ° line directions, namely reading difference in two ends is equal;
6. now, rap at scale 0 ° or 180 ° of positions with wood round bar forming, make scale prolong DC direction and move, as Fig. 6, until scale center overlaps with main shaft rotation center, even if the reading value at A, B place reduces half;
7. adopt standard polygon and autocollimator to calibrate, if precision can not meet measurement requirement, adjustment can be repeated as stated above, until measuring accuracy is satisfied with angle-measuring equipment request for utilization;
The adjusting device course of work:
(1) reading microscope
Affect principle according to bias to the error of indication, this adjusting device have employed two diameter reading microscopes and carries out observation debugging; First two reading microscopes are aimed at scale delineation center to path position, after rotating scale 180 °, if there is centering error, then directly can be measured the eccentric position of rotation center by two microscopical diameter readings, during adjusting, can directly observe and the size and Orientation of adjusting offset;
(2) other parts of adjusting device and effect
Adjusting apparatus structure forms primarily of reading microscope, cross arm bracket, lifting nut, column, radial slider and table base;
Deviation is inddex dial delineation center and the deviation of scale axle sleeve concentricity, and therefore this adjusting gear must possess a firm base, will be fixed on the base of this adjusting gear by the scale of adjusting together with the pedestal of index plate;
A pair microscope is connected with base with slide block by column, microscope can move up and down along pillar, microscopical enlargement ratio adopts 40 ~ 80 times, fixes microscope tube when microscope is transferred to and can be seen scale ruling, and moving up and down of trace is solved by microscopical focusing drum;
Microscope pillar is connected on slide block, adjusts microscopical teeter with set nut; In order to adapt to the scale of various different diameter, scale base devising grooved rail, making slide block radially move along guide rail and to adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510824533.6A CN105403127A (en) | 2015-11-24 | 2015-11-24 | Adjusting method for division error of angle measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510824533.6A CN105403127A (en) | 2015-11-24 | 2015-11-24 | Adjusting method for division error of angle measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105403127A true CN105403127A (en) | 2016-03-16 |
Family
ID=55468767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510824533.6A Pending CN105403127A (en) | 2015-11-24 | 2015-11-24 | Adjusting method for division error of angle measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105403127A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255561A (en) * | 2017-05-27 | 2017-10-17 | 北京新立机械有限责任公司 | Harmonic speed reducer static accuracy test fixture and its assembly method and application method |
| CN108120365A (en) * | 2016-11-30 | 2018-06-05 | 北京航天计量测试技术研究所 | The multiteeth indexing table error of division by tooth detection method |
| CN111780967A (en) * | 2020-06-12 | 2020-10-16 | 中国船舶重工集团公司第七二四研究所 | Turntable transmission precision optical composite detection method capable of correcting eccentric error |
| CN111928791A (en) * | 2020-09-10 | 2020-11-13 | 四川航天谦源科技有限公司 | Nib rotating radius measuring instrument and method for arc grinding wheel dresser |
| CN115194653A (en) * | 2022-05-30 | 2022-10-18 | 首钢京唐钢铁联合有限责任公司 | Simulator and simulation method |
| RU2790074C1 (en) * | 2022-05-30 | 2023-02-14 | Акционерное общество "Научно-производственный центр автоматики и приборостроения имени академика Н.А. Пилюгина" (АО "НПЦАП") | Method for checking the errors of the rotary table scale |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030030807A1 (en) * | 2001-08-08 | 2003-02-13 | Mitutoyo Corporation | Alignment adjuster of probe, measuring instrument and alignment adjusting method of probe |
| CN201318988Y (en) * | 2008-11-25 | 2009-09-30 | 河南平高电气股份有限公司 | Indexing head calibration device |
-
2015
- 2015-11-24 CN CN201510824533.6A patent/CN105403127A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030030807A1 (en) * | 2001-08-08 | 2003-02-13 | Mitutoyo Corporation | Alignment adjuster of probe, measuring instrument and alignment adjusting method of probe |
| CN201318988Y (en) * | 2008-11-25 | 2009-09-30 | 河南平高电气股份有限公司 | Indexing head calibration device |
Non-Patent Citations (5)
| Title |
|---|
| 姜选: "自制DPXZY-1型度盘偏心校正仪", 《林业调查规划》 * |
| 安健: "度盘偏心位置的判断与调整", 《计量技术》 * |
| 方南家: "光学经纬仪度盘偏心的检测及调整", 《工厂计量与检测》 * |
| 罗新义: "光学经纬仪度盘偏心差及校正方法的探讨", 《内江师范学院学报》 * |
| 赵广波 等: "度盘的偏心位置确定与调整", 《计量技术》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120365A (en) * | 2016-11-30 | 2018-06-05 | 北京航天计量测试技术研究所 | The multiteeth indexing table error of division by tooth detection method |
| CN108120365B (en) * | 2016-11-30 | 2020-02-18 | 北京航天计量测试技术研究所 | Tooth-by-tooth detection method for indexing error of multi-tooth indexing table |
| CN107255561A (en) * | 2017-05-27 | 2017-10-17 | 北京新立机械有限责任公司 | Harmonic speed reducer static accuracy test fixture and its assembly method and application method |
| CN107255561B (en) * | 2017-05-27 | 2019-04-23 | 北京新立机械有限责任公司 | Harmonic speed reducer static accuracy test fixture and its assembly method and application method |
| CN111780967A (en) * | 2020-06-12 | 2020-10-16 | 中国船舶重工集团公司第七二四研究所 | Turntable transmission precision optical composite detection method capable of correcting eccentric error |
| CN111780967B (en) * | 2020-06-12 | 2022-04-05 | 中国船舶重工集团公司第七二四研究所 | Turntable transmission precision optical composite detection method capable of correcting eccentric error |
| CN111928791A (en) * | 2020-09-10 | 2020-11-13 | 四川航天谦源科技有限公司 | Nib rotating radius measuring instrument and method for arc grinding wheel dresser |
| CN115194653A (en) * | 2022-05-30 | 2022-10-18 | 首钢京唐钢铁联合有限责任公司 | Simulator and simulation method |
| RU2790074C1 (en) * | 2022-05-30 | 2023-02-14 | Акционерное общество "Научно-производственный центр автоматики и приборостроения имени академика Н.А. Пилюгина" (АО "НПЦАП") | Method for checking the errors of the rotary table scale |
| CN115194653B (en) * | 2022-05-30 | 2023-12-22 | 首钢京唐钢铁联合有限责任公司 | Simulator and simulation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102914260B (en) | Detection method of indexing error of turntable based on photoelectric two-axis collimator | |
| CN101929852B (en) | Optical instrument detects the method for tun right alignment and verticality | |
| CN105403127A (en) | Adjusting method for division error of angle measuring equipment | |
| CN107607041B (en) | One kind being used for six geometric error measuring devices of turntable | |
| CN107560583A (en) | The axial line bearing calibration of cylindrical workpiece and its diameter measuring method for being segmented section | |
| CN102937409B (en) | Polar coordinate gear measurement center and zero calibrating method thereof | |
| CN107144248A (en) | A kind of scaling method of Digit Control Machine Tool turntable error | |
| CN101629816A (en) | Complex revolving body contour measuring method and device capable of eliminating part positioning error | |
| CN100484708C (en) | Positioning accuracy quick measuring mechanism of numerically controlled revolving dial | |
| CN109974586B (en) | Geometric error compensation device for laser tracker | |
| CN104422419A (en) | Outer diameter V-shaped measurement method and V-shaped gauge of valve retainer outer diameter | |
| CN102721393A (en) | On-site self-calibration method for measurement system error of precise rotary table | |
| CN202361957U (en) | Angular position precision detection apparatus of precision positioning disk | |
| CN106225649B (en) | The measuring device and its measurement method of ruling tool for grating pitch angle | |
| CN103389049A (en) | Method for adjusting and detecting machine tool cradle-type composite rotary table axis space vertical intersection | |
| CN108469226B (en) | On-site calibration device of plumb line coordinatograph | |
| CN105312964A (en) | Detection method and detection device for rotation precision of precision machine tool spindle | |
| CN107131826B (en) | A Rapid Measurement Method of Geometric Error of Translational Axis of Machine Tool Based on Laser Interferometer | |
| CN102078981B (en) | Precision boring tool for realizing multi-meter-level span micron-level coaxial precision hole | |
| CN114749995B (en) | Swing type rotary shaft positioning precision detection method | |
| CN101788277A (en) | Measuring device for planeness of revolving platform | |
| CN103363869A (en) | Detection device for circular arc surface | |
| CN105627945A (en) | Device and method of measuring deviation between center of aspheric element and center of outer circle | |
| CN106091903B (en) | Large-scale radial arm deflection amount detection method and device based on biplane fixed reference | |
| CN102322785B (en) | Method and device for measuring angle of flange |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160316 |
|
| RJ01 | Rejection of invention patent application after publication |