CN102825545B - Method for measuring shape of woodworker PCD (Poly Crystal Diamond) cutter before machining - Google Patents
Method for measuring shape of woodworker PCD (Poly Crystal Diamond) cutter before machining Download PDFInfo
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- CN102825545B CN102825545B CN201210258437.6A CN201210258437A CN102825545B CN 102825545 B CN102825545 B CN 102825545B CN 201210258437 A CN201210258437 A CN 201210258437A CN 102825545 B CN102825545 B CN 102825545B
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- servomotor
- carpenter
- control system
- pcd
- distance measuring
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Abstract
The invention relates to a method for measuring the shape of a woodworker PCD (Poly Crystal Diamond) cutter before machining, comprising the following steps of: (1) arranging a measurement system comprising a control system, four servo motors, distance measurement sensors, a controller, an I/O (Input/Output) acquisition card and a woodworker PCD cutter to be measured; (2) controlling the first servo motor to drive the distance measurement sensors to move to a detected tooth and controlling the second, the third and the fourth servo motors to drive the distance measurement sensors to relatively move by the control system; (3) detecting a first point on the surface of the detected tooth and returning the detected position coordinates (x1,y1,z1) of the first point to the control system by the distance measurement sensors; (4) repeating the step (3), returning the detected position coordinates (x2,y2,z2) of a second point to the control system; and (5) repeating the steps (3) and (4), returning the detected position coordinates (x3,y3,z3) of a third point to the control system, forming a cutter plane of the detected tooth according to the recorded coordinate values of the three points, and solving an intersecting line of the cutter plane and an ideal external end cylindrical surface to obtain a grinding track of the detected tooth.
Description
Technical field
The present invention relates to a kind of shape of tool measuring method, particularly about a kind of method of measuring its accurate shape before grinding carpenter PCD cutter by non-contact measurement mode.
Background technology
PCD helical tooth blade is widely used in wood working industry, and its demand increases year by year.The most important Shape Indexes of grinding PCD cutter is that the outermost end of its each cutting edge need be on same cylindrical, the shape and the position deviation that during due to welding, produce are unpredictable, so need to be at the accurate location of foreprocess gauge blade cutting edge, and then draw the needed track of processing.Current adopted measuring method is equidistant point-to-point measurement, and in the time that Tool in Cutting sword is longer or measure interval hour, because counting of measuring of needs is a lot, it is very low that this metering system is measured efficiency.Measure the low lathe all preparation before cutting of time greatly that caused of efficiency, reduced lathe effective run time, increased the manufacturing cost of cutter.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of method of measuring the foreprocess gauge carpenter PCD shape of tool that efficiency is higher.
For achieving the above object, the present invention takes following technical scheme: a kind of method of the foreprocess gauge carpenter PCD shape of tool, it comprises the following steps: (1) arranges a carpenter PCD shape of tool measuring system, and this measuring system comprises control system, first servomotor, second servomotor, the 3rd servomotor, the 4th servomotor, distance measuring sensor, controller, I/O capture card and carpenter PCD cutter to be measured; In described control system, preset four described servomotor movement locus control instructions; (2) control system drives distance measuring sensor to move to the detected tooth of carpenter PCD cutter place according to preset first servomotor of movement locus control instruction control along Z axis, meanwhile, second servomotor of control system control, the 3rd servomotor and the 4th servomotor drive distance measuring sensor and distance measuring sensor to do relative motion; (3) distance measuring sensor detects first point on the detected tooth surface of carpenter PCD cutter, and first position coordinates (x current distance measuring sensor being detected by controller and I/O capture card
1, y
1, z
1) be back to control system, record this position coordinates by control system; (4) according to control command preset in control system, controlling first servomotor drives distance measuring sensor to move to second point on detected tooth surface, second servomotor and the 4th servomotor drive carpenter PCD tool motion simultaneously, and repeating step (3), second some position coordinates (x that distance measuring sensor is detected
2, y
2, z
2) be back to control system; (5) repeating step (3), step (4), distance measuring sensor is by the 3rd some position coordinates (x on the detected tooth surface detecting
3, y
3, z
3) be back to control system, by control system according to three recorded point coordinates values, form the tool plane of detected tooth, and this plane and the face of cylinder, the carpenter PCD cutter desirable outer end of detected tooth are asked to intersection, obtain the grinding track of the detected tooth of carpenter PCD cutter.
In described step (1), control system output in described carpenter PCD shape of tool measuring system connects respectively four described servomotors, described first servomotor drives described distance measuring sensor to move along Z axis, described second servomotor and the 3rd servomotor drive respectively described carpenter PCD cutter moving along X-axis, y-axis shift, and described the 4th servomotor drives described carpenter PCD cutter to rotate; Described distance measuring sensor, under described controller control, detects the detected tooth of described carpenter PCD cutter, and testing result transfers to described I/O capture card through described controller, and described I/O capture card is by extremely described control system of the detection transfer of data collecting.
Described distance measuring sensor adopts the one in contactless distance measuring sensor and contact distance measuring sensor.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention is owing to adopting distance measuring sensor to detect 3 position coordinateses on detected tooth surface, and by 3 position coordinateses of control system record, 3 position coordinateses form the tool plane of detected tooth, this plane and the face of cylinder, the carpenter PCD cutter desirable outer end of detected tooth are asked to intersection, obtain the grinding track of detected tooth.This measuring method has been saved single tooth at present equidistant detection method and has repeatedly been measured, and has improved measurement efficiency.2, the present invention is because distance measuring sensor can adopt contactless distance measuring sensor, also can adopt contact distance measuring sensor, the cutting edge curve of walking while determining carpenter PCD tool grinding according to 3 position coordinateses measuring, makes the method scope of application wider.The present invention can extensively application in the shape of tool is measured.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the detection schematic diagram of the present invention in the time detecting the PCD shape of tool;
Fig. 3 is the present invention's partial schematic diagram while detecting the PCD shape of tool.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1 and Figure 2, the invention provides a kind of method of the foreprocess gauge carpenter PCD shape of tool, the method is mainly to adopt control system to detect 3 positions of the tested flank of tooth by driven by servomotor touch sensor or noncontacting proximity sensor, record sensor information, and then obtain the shape of cutter teeth.It comprises the following steps:
1) a carpenter PCD shape of tool measuring system is set, this measuring system comprises control system 1, first servomotor 2, second servomotor 3, the 3rd servomotor 4, the 4th servomotor 5, distance measuring sensor 6, controller 7, I/O capture card 8 and carpenter PCD cutter 9 to be measured.Wherein, in control system 1, preset four servomotor movement locus control instructions.
Control system 1 output connects respectively first servomotor 2, second servomotor 3, the 3rd servomotor 4 and the 4th servomotor 5, and first servomotor 2 drives distance measuring sensor 6 to move along Z axis, is designated hereinafter simply as Z axis servomotor; Second servomotor 3 and the 3rd servomotor 4 are respectively used to drive carpenter PCD cutter 9 moving along X-axis, y-axis shift, below respectively referred to as X-axis servomotor and Y-axis servomotor; The 4th servomotor 5, for driving carpenter PCD cutter 9 to rotate, is designated hereinafter simply as A axle servomotor.Distance measuring sensor 6 is under controller 7 is controlled, the detected tooth 10 of carpenter PCD cutter 9 is detected, testing result via controller 7 transfers to I/O capture card 8, and I/O capture card 8 to control system 1, records four servomotor coordinate figures by control system 1 by the detection transfer of data collecting.
2) control system 1 drives distance measuring sensor 6 to move to carpenter PCD cutter 9 detected tooth 10 places according to preset movement locus control instruction control Z axis servomotor 2, simultaneously, control system 1 is controlled X-axis, Y-axis and Z axis servomotor and is driven distance measuring sensor 6 to move, and carpenter PCD cutter 9 and distance measuring sensor 6 are done relative motion.
3) as shown in Figure 3, distance measuring sensor 6 detects detected lip-deep first point of tooth 10 of carpenter PCD cutter 9, and first position coordinates (x current distance measuring sensor 6 being detected by controller 7 and I/O capture card 8
1, y
1, z
1) be back to control system 1, record this position coordinates by control system 1.
4) according to the interior preset control command of control system 1, controlling Z axis servomotor drives distance measuring sensor 6 to move to detected lip-deep second point of tooth 10, X-axis and A axle servomotor drive carpenter PCD cutter 9 to move simultaneously, and repeat step 3), second some position coordinates (x that distance measuring sensor 6 is detected
2, y
2, z
2) be back to control system 1.
5) repeating step 3), step 4), distance measuring sensor 6 is by upper the 3rd the some position coordinates (x in the detected tooth detecting 10 surface
3, y
3, z
3) be back to control system 1, be detected tooth surface three point coordinates values by control system 1 according to recorded carpenter PCD cutter 9, form the tool plane 11(of detected tooth as shown in Figure 2), and this plane and the face of cylinder, the carpenter PCD cutter 9 desirable outer end of detected tooth 12 are asked to intersection, can obtain the grinding track 13 of carpenter PCD cutter 9 detected teeth.
Above-mentioned steps 1) in, distance measuring sensor 6 can adopt contactless distance measuring sensor, also can adopt contact distance measuring sensor.
The various embodiments described above are only for illustrating the present invention; connection, structure and the step of each parts all can change to some extent; on the basis of technical solution of the present invention; all improvement and equivalents that according to the principle of the invention, the connection to indivedual parts and structure are carried out, all should not get rid of outside protection scope of the present invention.
Claims (2)
1. the method for a foreprocess gauge carpenter PCD shape of tool, one carpenter PCD shape of tool measuring system is set, this measuring system comprises control system, first servomotor, second servomotor, the 3rd servomotor and distance measuring sensor, it is characterized in that, further comprising the steps of:
(1) carpenter PCD shape of tool measuring system also comprises the 4th servomotor, controller, I/O capture card and carpenter PCD cutter to be measured; In described control system, preset four described servomotor movement locus control instructions; Control system output in described carpenter PCD shape of tool measuring system connects respectively four described servomotors, described first servomotor drives described distance measuring sensor to move along Z axis, described second servomotor and the 3rd servomotor drive respectively described carpenter PCD cutter moving along X-axis, y-axis shift, and described the 4th servomotor drives described carpenter PCD cutter to rotate; Described distance measuring sensor, under described controller control, detects the detected tooth of described carpenter PCD cutter, and testing result transfers to described I/O capture card through described controller, and described I/O capture card is by extremely described control system of the detection transfer of data collecting;
(2) control system drives distance measuring sensor to move to the detected tooth of carpenter PCD cutter place according to preset first servomotor of movement locus control instruction control along Z axis, meanwhile, second servomotor of control system control, the 3rd servomotor and the 4th servomotor drive distance measuring sensor and carpenter PCD cutter to do relative motion;
(3) distance measuring sensor detects first point on the detected tooth surface of carpenter PCD cutter, and first position coordinates (x current distance measuring sensor being detected by controller and I/O capture card
1, y
1, z
1) be back to control system, record this position coordinates by control system;
(4) according to control command preset in control system, controlling first servomotor drives distance measuring sensor to move to second point on detected tooth surface, second servomotor and the 4th servomotor drive carpenter PCD tool motion simultaneously, and repeating step (3), second some position coordinates (x that distance measuring sensor is detected
2, y
2, z
2) be back to control system;
(5) repeating step (3), step (4), distance measuring sensor is by the 3rd some position coordinates (x on the detected tooth surface detecting
3, y
3, z
3) be back to control system, by control system according to three recorded point coordinates values, form the tool plane of detected tooth, and this plane and the face of cylinder, the carpenter PCD cutter desirable outer end of detected tooth are asked to intersection, obtain the grinding track of the detected tooth of carpenter PCD cutter.
2. the method for a kind of foreprocess gauge carpenter PCD shape of tool as claimed in claim 1, is characterized in that: described distance measuring sensor adopts the one in contactless distance measuring sensor and contact distance measuring sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258437.6A CN102825545B (en) | 2012-07-24 | 2012-07-24 | Method for measuring shape of woodworker PCD (Poly Crystal Diamond) cutter before machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258437.6A CN102825545B (en) | 2012-07-24 | 2012-07-24 | Method for measuring shape of woodworker PCD (Poly Crystal Diamond) cutter before machining |
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|---|---|
| CN102825545A CN102825545A (en) | 2012-12-19 |
| CN102825545B true CN102825545B (en) | 2014-07-30 |
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| CN201210258437.6A Active CN102825545B (en) | 2012-07-24 | 2012-07-24 | Method for measuring shape of woodworker PCD (Poly Crystal Diamond) cutter before machining |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1677052A (en) * | 2004-03-31 | 2005-10-05 | 日东电工株式会社 | Surface shape measuring apparatus and surface shape measuring method |
| CN102538700A (en) * | 2011-12-02 | 2012-07-04 | 合肥工业大学 | Screw rotor type surface profile error measurement instrument |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5892814A (en) * | 1981-11-27 | 1983-06-02 | Kobe Steel Ltd | Measuring device for three-dimensional curved face |
| DE102007053993B4 (en) * | 2007-09-14 | 2010-08-12 | Carl Mahr Holding Gmbh | Method and device for tool measurement |
-
2012
- 2012-07-24 CN CN201210258437.6A patent/CN102825545B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1677052A (en) * | 2004-03-31 | 2005-10-05 | 日东电工株式会社 | Surface shape measuring apparatus and surface shape measuring method |
| CN102538700A (en) * | 2011-12-02 | 2012-07-04 | 合肥工业大学 | Screw rotor type surface profile error measurement instrument |
Non-Patent Citations (2)
| Title |
|---|
| PCD刀具在非金属材料加工中的应用;刘华等;《工具技术》;20060928;第40卷(第9期);第85-86页 * |
| 刘华等.PCD刀具在非金属材料加工中的应用.《工具技术》.2006,第40卷(第9期),第85-86页. |
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| CN102825545A (en) | 2012-12-19 |
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Effective date of registration: 20180117 Address after: 100083 Department of precision instruments and mechanics, Tsinghua University, Haidian District, Beijing, Haidian District, Beijing Co-patentee after: Foshan Shunde Sairui Tool Co., Ltd. Patentee after: Tsinghua University Address before: 100084 Department of precision instruments and mechanics, Tsinghua University, Haidian District, Beijing, Haidian District, Beijing Co-patentee before: Foshan Shunde Sarui Numerical Control Electric Discharge Machines Research Center Patentee before: Tsinghua University |
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