CN103894883A - Cutter deformation measuring fixture and cutter deformation online measuring method implemented by same - Google Patents
Cutter deformation measuring fixture and cutter deformation online measuring method implemented by same Download PDFInfo
- Publication number
- CN103894883A CN103894883A CN201410128660.8A CN201410128660A CN103894883A CN 103894883 A CN103894883 A CN 103894883A CN 201410128660 A CN201410128660 A CN 201410128660A CN 103894883 A CN103894883 A CN 103894883A
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000006073 displacement reaction Methods 0.000 claims abstract description 46
- 238000005520 cutting process Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 13
- 230000000717 retained effect Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 2
- 238000012806 monitoring device Methods 0.000 abstract 1
- 239000011888 foil Substances 0.000 description 11
- 238000005259 measurement Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0952—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining
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Abstract
The invention discloses a cutter deformation measuring fixture and a cutter deformation online measuring method implemented by the same. The cutter deformation measuring fixture and the cutter deformation online measuring method are used for solving the technical problem of poor practicality of an existing real-time machine tool cutting force monitoring device. The technical scheme includes that the fixture comprises two semicircular clamping rings, a positioning disc, a sensor fixing base and four displacement sensors. The two semicircular clamping rings and the positioning disc form a clamping portion of the fixture, a circular hole is formed in the middle of the positioning disc, a cutter can conveniently penetrate the circular hole, the sensor fixing base and the positioning disc are fixedly connected with each other by four connecting screws, circular holes for mounting the displacement sensors are radially formed in the sensor fixing base, and the four displacement sensors are arranged along the radial direction of the cutter at intervals of 90-degree angles. The cutter deformation online measuring method includes recording X-direction and Y-direction components of deformation of the cutter in an industrial personal computer system by the aid of the four displacement sensors and visually displaying the X-direction and Y-direction components via a visual software interface in real time; calculating cutting force of the cutter in a deformation direction according to the deformation of the cutter in machining procedures. The deformation of the cutter is caused when the cutter is used for cutting. The cutter deformation measuring fixture and the cutter deformation online measuring method have the advantage of high practicality.
Description
Technical field
The present invention relates to a kind of measured material, particularly relate to a kind of cutter distortion measured material.Also relate to and utilize this fixture to carry out cutter distortion On-line Measuring Method.
Background technology
In modern manufacturing industry, multi-axis NC Machine Tools is because its good processing accuracy, operating efficiency are high and automaticity high is used widely.In process, the cutter that plays main elaboration can produce distortion under the impact of cutting force and heat in metal cutting, thereby directly causes part to be processed to produce size and dimension error.In order to reduce cutter distortion, the method conventionally adopting has the cutter that reduces handle of a knife free end length or use larger diameter instead.But these methods have its limitation, cannot be from eliminating in essence error.In order to study theoretically cutter distortion, reduce mismachining tolerance by Optimizing Cutting Conditions.Therefore it is very necessary cutter deflection being carried out to on-line measurement.
The method of the on-line measurement cutter distortion adopting at present mainly contains direct method and indirect method.
Direct method is that foil gauge is directly sticked to tool surface.While producing distortion due to cutter under cutting force and heat in metal cutting effect, tool surface can corresponding generation material extending and extruding, foil gauge can be converted into the corresponding signal of telecommunication by the stretching of material and extruding, thereby can obtain the deflection that cutter produces in process.But the method has the following disadvantages: first foil gauge is applicable to sticking to smooth and sizeable body surface, is applicable to lathe tool class cutter, cannot use the method for cylindrical milling cutter or undersized cutter; Secondly foil gauge and wire composition loop, due to the existence of wire loop, the method is only suitable for the processing method static in cutter (as turning processing), is not suitable for the processing mode of the cutter rotations such as Milling Process; In addition, the accuracy of the deflection of measured cutter and the installation quality of foil gauge are closely related.
Indirect method be at cutter on material after process finishing, by measuring the error between surplus material size and theoretical size, thus deflection when inverse draws tool sharpening.The on-deformable structure of the general employing of machined material here, is out of shape to reduce material itself impact that result is caused.The weak point of the indirect method of measurement is, infers that the limitation of cutter distortion amount is larger by surplus material error, have obviously deficiency, and measuring result error is larger on time and space.
With reference to Fig. 5.Document " application publication number is the Chinese invention patent of CN103029005A " discloses a kind of device of Real-Time Monitoring machine cut power.This invention comprises foil gauge 1, signal receiving module 2, control module 3, power supply 4 and display unit 5.Foil gauge 1 is attached to the left and right sides of cutter 6, and signal receiving module 2 is connected with foil gauge 1 and control module 3 simultaneously, and control module 3 is connected with power supply 4 and demonstration display unit 5 respectively.This device is installed foil gauge 1 at tool surface, the distortion while monitoring Tool in Cutting material by foil gauge 1, thereby the size of lathe cutting force while drawing cutting.Cutter distortion measuring method in this patent belongs to the direct method of measurement, and its limitation is, due to the existence of wire loop, the method is not suitable for measuring the cutter of the rotations such as milling cutter.
Summary of the invention
In order to overcome the deficiency of device poor practicability of existing Real-Time Monitoring machine cut power, the invention provides a kind of cutter distortion measured material.This fixture comprises semicircle holding ring, positioning disc, sensor firm banking and displacement transducer, the retained part of two semicircle holding rings and positioning disc composition fixture, in the middle of positioning disc, have circular hole to facilitate cutter to pass, sensor firm banking is fixedly connected with by four connecting screw rods with positioning disc, sensor firm banking radially has circular hole with installation position displacement sensor, four displacement transducer 90 ° of arrangements along cutter radial interval.When Tool in Cutting, the XY durection component of the deflection that produces is recorded on industrial computer system by four displacement transducers, and by visual software interface in real time, intuitively show; Can extrapolate the cutting force size of cutter on deformation direction according to the cutter distortion amount in process, practical.
The present invention also provides and utilizes above-mentioned fixture to carry out cutter distortion On-line Measuring Method.
The technical solution adopted for the present invention to solve the technical problems is: a kind of cutter distortion measured material, is characterized in comprising semicircle holding ring 1, the first bolt 2, the first nut 3, positioning disc 4, the second bolt 5, connecting screw rod 6, the second nut 7, sensor firm banking 8, the 3rd nut 9 and displacement transducer 10.Two semicircle holding rings 1 and positioning disc 4 form the retained part of fixture.Semicircle holding ring 1 two ends have circular hole, tighten fixing by the first bolt 2 and the first nut 3; In the middle of positioning disc 4, have circular hole to facilitate cutter to pass.Sensor firm banking 8 radially has circular hole with the 90 ° of arrangements along cutter radial interval of 10, four displacement transducers 10 of installation position displacement sensor; Displacement transducer 10 is threaded self, tightens fixing and adjustable range by the 3rd nut 9.Sensor firm banking 8 is fixedly connected with by four connecting screw rods 6 with positioning disc 4.
The radius of described semicircle holding ring 1 is slightly larger than machine tool chief axis radius.
There is rubber layer the inner side of described semicircle holding ring 1.
The shape of described positioning disc 4 is consistent with main shaft bottom shape to coordinate location.
There is screw thread at described connecting screw rod 6 two ends, and sensor firm banking 8, with boss, is coordinated and installed by the location and installation hole on boss and the second nut 7.
One utilizes above-mentioned fixture to carry out cutter distortion On-line Measuring Method, is characterized in adopting following steps:
First with the first bolt 2 and the first nut 3, two semicircle holding rings 1 are pre-fixed on machine tool chief axis, then by the level installation that guarantees retained part is installed coordinating of the second bolt 5 and positioning disc 4; Then by connecting screw rod 6, sensor firm banking 8 is connected with positioning disc 4, tightens and fix the second nut 7 and there is good rigidity to guarantee whole device; Finally displacement transducer 10 is arranged in the installing hole of sensor firm banking 8, the distance by displacement transducer 10 self threaded adjusting gage outfit to machine tool surface, and fixing with the 3rd nut 9, make it in the range ability of displacement transducer 10; Displacement transducer 10 gathers the displacement data of gage outfit to the flank of tool; Start Digit Control Machine Tool and start processing parts, now the XY durection component of the deflection that produces is recorded on industrial computer system by four displacement transducers 10 when Tool in Cutting, calculate the cutting force size of cutter on deformation direction according to the cutter distortion amount in process, and by with desired cut power relatively carry out feedback adjustment numerical control machine tool cutting parameter.
The invention has the beneficial effects as follows: this fixture comprises semicircle holding ring, positioning disc, sensor firm banking and displacement transducer, the retained part of two semicircle holding rings and positioning disc composition fixture, in the middle of positioning disc, have circular hole to facilitate cutter to pass, sensor firm banking is fixedly connected with by four connecting screw rods with positioning disc, sensor firm banking radially has circular hole with installation position displacement sensor, four displacement transducer 90 ° of arrangements along cutter radial interval.When Tool in Cutting, the XY durection component of the deflection that produces is recorded on industrial computer system by four displacement transducers, and by visual software interface in real time, intuitively show; Can extrapolate the cutting force size of cutter on deformation direction according to the cutter distortion amount in process, practical.
Below in conjunction with drawings and Examples, the present invention is elaborated.
Accompanying drawing explanation
Fig. 1 is the structural representation of cutter distortion measured material of the present invention.
Fig. 2 is the top view of cutter distortion measured material of the present invention.
Fig. 3 is the front view of cutter distortion measured material of the present invention.
Fig. 4 is the left view of cutter distortion measured material of the present invention.
In figure, the semicircle holding ring of 1-, 2-the first bolt, 3-the first nut, 4-positioning disc, 5-the second bolt, 6-connecting screw rod, 7-the second nut, 8-sensor firm banking, 9-the 3rd nut, 10-displacement transducer.
Fig. 5 is the structural representation of the device of a kind of Real-Time Monitoring machine cut of background technology power.
In figure, 1-foil gauge, 2-signal receiving module, 3-control module, 4-power supply, 5-display unit, 6-cutter.
The specific embodiment
With reference to Fig. 1-4.Cutter distortion measured material of the present invention comprises semicircle holding ring 1, the first bolt 2, the first nut 3, positioning disc 4, the second bolt 5, connecting screw rod 6, the second nut 7, sensor firm banking 8, the 3rd nut 9 and displacement transducer 10.
Two semicircle holding rings 1 and positioning disc 4 form the retained part of fixture.Semicircle holding ring 1 two ends have circular hole, tighten fixing by the first bolt 2 and the first nut 3; Semicircle holding ring 1 radius is slightly larger than machine tool chief axis radius, and there is rubber layer inner side with increasing friction force; In the middle of positioning disc 4, have circular hole to facilitate cutter to pass; The shape of positioning disc 4 is consistent with main shaft bottom shape to coordinate location.
Displacement transducer standing part is the sensor firm banking 8 with boss.Sensor firm banking 8 radially has circular hole with the 90 ° of arrangements along cutter radial interval of 10, four displacement transducers 10 of installation position displacement sensor; Displacement transducer 10 is threaded self, tightens fixing and adjustable range by the 3rd nut 9.
There is screw thread at connecting screw rod 6 two ends, and sensor firm banking 8, with boss, is coordinated and installed by the location and installation hole on boss and the second nut 7.Sensor firm banking 8 is fixedly connected with by four connecting screw rods 6 with positioning disc 4.
The assembling process of this example is: first with the first bolt 2 and the first nut 3, two semicircle holding rings 1 pre-fixed on machine tool chief axis, then by the level installation that guarantees retained part is installed coordinating of the second bolt 5 and positioning disc 4; Then by connecting screw rod 6, sensor firm banking 8 is connected with positioning disc 4, tightens and fix the second nut 7 and there is good rigidity to guarantee whole device; Finally displacement transducer 10 is arranged in the installing hole of sensor firm banking 8, the distance by displacement transducer 10 self threaded adjusting gage outfit to machine tool surface, and fixing with the 3rd nut 9, make it in the range ability of displacement transducer 10.
Measuring method of the present invention is as follows: after the installation of whole cutting tools measurement fixture, the distance by displacement transducer 10 self threaded adjusting gage outfit to machine tool surface, makes it in the range ability of displacement transducer 10; Open position displacement sensor 10, and charge amplifier and industrial computer, start to gather the displacement data of gage outfit to the flank of tool; Start Digit Control Machine Tool and start processing parts, now the XY durection component of the deflection that produces is recorded on industrial computer system by four displacement transducers 10 when Tool in Cutting, and by visual software interface in real time, demonstration intuitively; Can extrapolate the cutting force size of cutter on deformation direction according to the cutter distortion amount in process, and by with desired cut power relatively carry out feedback adjustment numerical control machine tool cutting parameter; After machining, the deformation data autostore of cutter supplies post analysis research on industrial computer hard disk.
Claims (6)
1. a cutter distortion measured material, is characterized in that comprising semicircle holding ring (1), the first bolt (2), the first nut (3), positioning disc (4), the second bolt (5), connecting screw rod (6), the second nut (7), sensor firm banking (8), the 3rd nut (9) and displacement transducer (10); The retained part of two semicircle holding rings (1) and positioning disc (4) composition fixture; Semicircle holding ring (1) two ends have circular hole, tighten fixing by the first bolt (2) and the first nut (3); In the middle of positioning disc (4), have circular hole to facilitate cutter to pass; Sensor firm banking (8) radially has circular hole with installation position displacement sensor (10), and four displacement transducers (10) are 90 ° of arrangements along cutter radial interval; Displacement transducer (10) is threaded self, tightens fixing and adjustable range by the 3rd nut (9); Sensor firm banking (8) is fixedly connected with by four connecting screw rods (6) with positioning disc (4).
2. cutter distortion measured material according to claim 1, is characterized in that: the radius of described semicircle holding ring (1) is slightly larger than machine tool chief axis radius.
3. cutter distortion measured material according to claim 1 and 2, is characterized in that: there is rubber layer the inner side of described semicircle holding ring (1).
4. cutter distortion measured material according to claim 1, is characterized in that: the shape of described positioning disc (4) is consistent with main shaft bottom shape to coordinate location.
5. cutter distortion measured material according to claim 1, is characterized in that: there is screw thread at described connecting screw rod (6) two ends, and sensor firm banking (8), with boss, is coordinated and installed by the location and installation hole on boss and the second nut (7).
6. utilize cutter distortion measured material described in claim 1 to carry out a cutter distortion On-line Measuring Method, it is characterized in that adopting following steps:
First use the first bolt (2) and the first nut (3) that two semicircle holding rings (1) are pre-fixed on machine tool chief axis, then by the level installation that guarantees retained part is installed coordinating of the second bolt (5) and positioning disc (4); Then by connecting screw rod (6), sensor firm banking (8) is connected with positioning disc (4), tightens and fix the second nut (7) and there is good rigidity to guarantee whole device; Finally displacement transducer (10) is arranged in the installing hole of sensor firm banking (8), distance by displacement transducer (10) self threaded adjusting gage outfit to machine tool surface, and fixing with the 3rd nut (9), make it in the range ability of displacement transducer (10); Displacement transducer (10) gathers the displacement data of gage outfit to the flank of tool; Start Digit Control Machine Tool and start processing parts, now the XY durection component of the deflection that produces is recorded on industrial computer system by four displacement transducers (10) when Tool in Cutting, calculate the cutting force size of cutter on deformation direction according to the cutter distortion amount in process, and by with desired cut power relatively carry out feedback adjustment numerical control machine tool cutting parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128660.8A CN103894883B (en) | 2014-04-01 | 2014-04-01 | Cutter distortion measured material and utilize this fixture to carry out cutter distortion On-line Measuring Method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128660.8A CN103894883B (en) | 2014-04-01 | 2014-04-01 | Cutter distortion measured material and utilize this fixture to carry out cutter distortion On-line Measuring Method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103894883A true CN103894883A (en) | 2014-07-02 |
| CN103894883B CN103894883B (en) | 2016-08-17 |
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| CN201410128660.8A Expired - Fee Related CN103894883B (en) | 2014-04-01 | 2014-04-01 | Cutter distortion measured material and utilize this fixture to carry out cutter distortion On-line Measuring Method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526464A (en) * | 2014-11-27 | 2015-04-22 | 华中科技大学 | Cutter jumping volume and blade initial angle measuring method and device |
| CN105563235A (en) * | 2016-02-03 | 2016-05-11 | 吉林大学 | Piezoelectric omnidirectional load detection device |
| CN105773310A (en) * | 2016-03-17 | 2016-07-20 | 天津大学 | Real-time monitoring device and method for cutting force signals in machining process |
| CN106705878A (en) * | 2017-01-20 | 2017-05-24 | 山东大学 | Solid end mill deformation measurement device in spiral hole milling processing process |
| CN109396956A (en) * | 2018-11-06 | 2019-03-01 | 重庆大学 | A kind of chain digital control gear hobbing machine hobboing cutter state intelligent monitoring method |
| CN110370168A (en) * | 2019-06-14 | 2019-10-25 | 武汉船用机械有限责任公司 | The clamp for machining of gas turbine damper |
| WO2020010902A1 (en) * | 2018-07-10 | 2020-01-16 | 先驰精密仪器(东莞)有限公司 | Cutter state detection system |
| CN111230733A (en) * | 2018-11-12 | 2020-06-05 | 三星电子株式会社 | Method of manufacturing polishing apparatus including polishing pad monitoring method and polishing apparatus |
| CN111571307A (en) * | 2020-05-14 | 2020-08-25 | 哈尔滨理工大学 | On-machine detection device for cutter abrasion |
| CN112254833A (en) * | 2020-09-30 | 2021-01-22 | 中核核电运行管理有限公司 | Nuclear reactor HALF anchor clamps installation clearance on-line measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104526464A (en) * | 2014-11-27 | 2015-04-22 | 华中科技大学 | Cutter jumping volume and blade initial angle measuring method and device |
| CN104526464B (en) * | 2014-11-27 | 2016-08-31 | 华中科技大学 | A kind of cutter jerk value and the measuring method of blade initial angle and device |
| CN105563235B (en) * | 2016-02-03 | 2017-06-27 | 吉林大学 | Piezoelectric type full angle load detecting device |
| CN105563235A (en) * | 2016-02-03 | 2016-05-11 | 吉林大学 | Piezoelectric omnidirectional load detection device |
| CN105773310B (en) * | 2016-03-17 | 2018-05-25 | 天津大学 | For the real-time monitoring device and method of Cutting Force Signal in process |
| CN105773310A (en) * | 2016-03-17 | 2016-07-20 | 天津大学 | Real-time monitoring device and method for cutting force signals in machining process |
| CN106705878A (en) * | 2017-01-20 | 2017-05-24 | 山东大学 | Solid end mill deformation measurement device in spiral hole milling processing process |
| WO2020010902A1 (en) * | 2018-07-10 | 2020-01-16 | 先驰精密仪器(东莞)有限公司 | Cutter state detection system |
| CN109396956A (en) * | 2018-11-06 | 2019-03-01 | 重庆大学 | A kind of chain digital control gear hobbing machine hobboing cutter state intelligent monitoring method |
| CN111230733A (en) * | 2018-11-12 | 2020-06-05 | 三星电子株式会社 | Method of manufacturing polishing apparatus including polishing pad monitoring method and polishing apparatus |
| US11735427B2 (en) | 2018-11-12 | 2023-08-22 | Samsung Electronics Co., Ltd. | Polishing apparatus including polishing pad conditioner, non-contact displacement sensor, and data processor |
| CN111230733B (en) * | 2018-11-12 | 2024-02-06 | 三星电子株式会社 | Manufacturing method including polishing pad monitoring method and polishing apparatus |
| CN110370168A (en) * | 2019-06-14 | 2019-10-25 | 武汉船用机械有限责任公司 | The clamp for machining of gas turbine damper |
| CN111571307A (en) * | 2020-05-14 | 2020-08-25 | 哈尔滨理工大学 | On-machine detection device for cutter abrasion |
| CN112254833A (en) * | 2020-09-30 | 2021-01-22 | 中核核电运行管理有限公司 | Nuclear reactor HALF anchor clamps installation clearance on-line measuring device |
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|---|---|
| CN103894883B (en) | 2016-08-17 |
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