CN108044403A - A kind of accurate tool setting device of numerically controlled lathe and presetting cutter method - Google Patents
A kind of accurate tool setting device of numerically controlled lathe and presetting cutter method Download PDFInfo
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- CN108044403A CN108044403A CN201711328260.1A CN201711328260A CN108044403A CN 108044403 A CN108044403 A CN 108044403A CN 201711328260 A CN201711328260 A CN 201711328260A CN 108044403 A CN108044403 A CN 108044403A
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- workpiece
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- coordinate system
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- machine coordinates
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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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Numerical Control (AREA)
- Turning (AREA)
Abstract
A kind of accurate tool setting device of numerically controlled lathe of the present invention and presetting cutter method.The present apparatus includes being arranged on chuck, the knife rest of lathe, and it is arranged at the claw for being used to fix workpiece on chuck, it is separately installed with basic-cutter on the one side on four sides of the knife rest, four basic-cutters on four sides are respectively 90 ° of outer circle roughing tools, 90 ° of outer circle finish turning knives, cutoff tool, 60 ° of threading tools；The method of the present invention is had devised according to the thinking of " automatic tool preset → measurement → error compensation " with programme controlled automatic Test-cut met.The present apparatus and method are simple, convenient, are easy to adjustment, are versatile, ensure that processing quality and the required precision of workpiece, improve work efficiency, reduce the manufacture cost of part.
Description
Technical field
The present invention relates to the trial-mix strength method of numerically controlled lathe and CNC turning centers, specifically a kind of numerical control lathe
The accurate tool setting device of bed and presetting cutter method.
Background technology
At present, it is manual trial-mix strength method used by most numerical tool operation persons, due to the shadow by many factors
It rings, it is extremely limited to the precision of knife manually, this stage is known as roughly to knife knife.Traditional is single length to knife plate
Square plate, by knife plate to knife since horizontal gradient error is larger, it is low to knife precision, be not fixed easily.It is common when needing to process
Needed replacing when screw thread and angled screw thread it is different to knife plate, it is necessary to be hold by one hand tool setting device, one-handed performance knife rest into
Row increases tool-setting error to knife, high rejection rate, low production efficiency, and operator's labor intensity is big.
The content of the invention
The present invention proposes a kind of accurate presetting cutter method of numerically controlled lathe, according to the think of of " automatic tool preset → measurement → error compensation "
Road is had devised with programme controlled automatic Test-cut met；Solve low to knife efficiency manually, workpiece processing quality cannot be guaranteed
The problem of.
To achieve the above object, the accurate tool setting device of a kind of numerically controlled lathe of the present invention, the card including being arranged on lathe
Disk, knife rest and be arranged on chuck for fixing the claw of workpiece, installed respectively on the one side on four sides of the knife rest
There is a basic-cutter, four basic-cutters on four sides are respectively 90 ° of outer circle roughing tools, 90 ° of outer circle finish turning knives, cut-out
Knife, 60 ° of threading tools.
A kind of numerically controlled lathe comprises the following steps accurately to the method for knife：
A. the outer circle of manual trial cut workpiece and end face, difference record display device（CRT）It shows X, Z machine coordinates of trial cut point A, pushes away
Go out the machine coordinates of program origin O, release the machine coordinates of program origin H, according to the machine coordinates relation of A points and O points：Xo=
XA- φ d, Zo=ZA release the machine coordinates of A points and O points；
B. further according to H compared with the workpiece coordinate system of O points（100、50）, finally release H points machine coordinates：XH=100-φd、
ZH=ZA+50, the workpiece coordinate system being built such that are with the workpiece coordinate system of the position of tool tip foundation of basic-cutter.
The accurate presetting cutter method of a kind of numerically controlled lathe, it is characterised in that：Comprise the following steps：With in the right side of workpiece
The heart is program origin, is origin O with G92 instruction setting workpiece coordinate systems, is programmed using diameter mode, the workpiece of program origin H
Coordinate system is（100,50）.
Basic-cutter is according to " outer circle of manual trial cut workpiece and end face, difference record display device（CRT）Show trial cut point A
X, Z machine coordinates, release the machine coordinates of program origin O, release the machine coordinates of program origin H " thinking to knife, according to
The machine coordinates relation of A points and O points：Xo=XA- φ d, Zo=ZA can release the machine coordinates of A points and O points, opposite further according to H
In the workpiece coordinate system of O points（100、50）, finally release H points machine coordinates：XH=100- φ d, ZH=ZA+50, are built such that
Workpiece coordinate system be with the workpiece coordinate system of the position of tool tip of basic-cutter foundation.
Due to the difference of X of each knife clamping on knife rest, the telescopic location of Z-direction, when non-referenced cutter indexing to processing
During position, position of tool tip B just has biasing compared with A points, and the workpiece coordinate system established originally is just no longer applicable.In addition each
Cutter there is also different degrees of abrasion in use, and the processing quality and geometric accuracy to workpiece have very big shadow
It rings.Therefore, each tool offset and attrition value needs compensate, and obtaining the basic principle of each tool offset is：Each cutter is right
A certain datum mark on quasi- workpiece（The A points of such as figure one or O points）, will be non-referenced since the machine coordinates that CRT is shown are different
The machine coordinates of cutter at this point are by manually calculating the machine coordinates for subtracting basic-cutter in same sampling point, it is possible to obtain each
The accurate location of non-referenced tool nose point, to ensure the processing quality of part and required precision.
A kind of accurate tool setting device of numerically controlled lathe of the present invention and presetting cutter method, its advantage are：The present apparatus is wide
It is general to be suitable for processing each type component, the machining accuracy of part can be greatly improved, improves production efficiency；This method is easy to grasp
Make, facilitate it is feasible, be easy to adjustment, it is versatile；Auto-programming ensure that the machining accuracy of workpiece, improve work effect to knife
Rate reduces the manufacture cost of part；Clamped one time, adjust automatically, the labor intensity and operative skill for greatly reducing worker will
It asks.
Description of the drawings
Fig. 1 is manual trial-mix strength schematic diagram in the present invention；
Fig. 2 is the biasing of cutter and wear-compensating schematic diagram in the present invention；
In figure：Actual cutter, 4- chucks, 5- claws, 6- workpiece, 7- when 1- standard cutters, the wear-compensating of 2-Z axis, 3- processing
Basic-cutter, 8- knife rests, h-X axis bias compensation, h ' -Z directions zero offset, the biasing of r-X directional nulls, A- trial cuts point, H- journeys
Sequence starting point, the workpiece zero of O- workpiece coordinate systems, the machine origin of O '-lathe coordinate system, P- diameters of work.
Specific embodiment
Embodiment 1
As shown in Figure 1, the accurate tool setting device of a kind of numerically controlled lathe of the present invention, chuck 4, knife rest 8 including being arranged on lathe,
And the claw 5 for being used to fix workpiece 6 on chuck 4 is arranged at, it is separately installed on the one side on four sides of the knife rest 11
Basic-cutter, four basic-cutters on four sides be respectively 90 ° of outer circle roughing tools, 90 ° of outer circle finish turning knives, cutoff tool,
60 ° of threading tools.
As shown in Figure 2：There is Z axis wear-compensating 2, X-axis biasing to mend between actual cutter 3 when standard cutter 1 and processing
Repay h；
A kind of numerically controlled lathe comprises the following steps accurately to the method for knife：
A. using the right side center of workpiece 6 as the workpiece zero O of program origin, that is, workpiece coordinate system, the workpiece zero of workpiece coordinate system
Distance is Z-direction zero offset h ' in Z-direction between point O and the machine origin O ' of lathe coordinate system；Workpiece coordinate system
Distance is X-direction zero offset r in X-direction between workpiece zero O and the machine origin O ' of lathe coordinate system；Referred to G92
Setting workpiece coordinate system, diameter programming are made, the workpiece coordinate system of program origin H is（100,50）, a diameter of P of the workpiece 6；
B. the outer circle of manual trial cut workpiece 6 and end face, difference record display device（CRT）Show X, Z machine coordinates of trial cut point A,
The machine coordinates of the workpiece zero O of workpiece coordinate system are released, the machine coordinates of program origin H are released, according to trial cut point A and workpiece
The machine coordinates relation of the workpiece zero O of coordinate system：Xo=XA- φ d, Zo=ZA release the workpiece of trial cut point A and workpiece coordinate system
The machine coordinates of zero point O；
C. further according to program origin H compared with the workpiece coordinate system of the workpiece zero O of workpiece coordinate system（100、50）, finally release
The machine coordinates of program origin H points：XH=100- φ d, ZH=ZA+50 are established with the workpiece of the position of tool tip foundation of basic-cutter
Coordinate system.
When in use, due to the difference of X of each cutter clamping on knife rest 8, the telescopic location of Z-direction, when non-referenced knife
When tool indexing is to Working position, position of tool tip B just has biasing compared with A points, and the workpiece coordinate system established originally is just no longer applicable in,
And each cutter there is also in use different degrees of abrasion；Therefore, each tool offset and attrition value need into
Row compensation, obtaining the basic principle of each tool offset is：A certain datum mark in each equal alignment pieces 6 of cutter（Such as the A points of Fig. 1
Or O points）, since the machine coordinates that CRT is shown are different, by the machine coordinates of non-referenced cutter at this point by manually counting
Calculation subtracts machine coordinates of the basic-cutter in same sampling point, obtains the accurate location of each non-referenced tool nose point.
Claims (3)
1. a kind of accurate tool setting device of numerically controlled lathe, the chuck including being arranged on lathe（4）, knife rest（8）And it is arranged at chuck
（4）On for fixing workpiece（6）Claw（5）, it is characterised in that：The knife rest（8）Four sides one side on pacify respectively
Equipped with basic-cutter（7）, four basic-cutters on four sides（7）Respectively 90 ° of outer circle roughing tools, 90 ° of outer circle finish turnings
Knife, cutoff tool, 60 ° of threading tools.
2. a kind of numerically controlled lathe as described in claim 1 is accurately to the method for knife, it is characterised in that：Comprise the following steps：
A. manual trial cut workpiece（6）Outer circle and end face, respectively record display device（CRT）Show that X, Z lathe of trial cut point A is sat
Mark releases the machine coordinates of program origin O, releases the machine coordinates of program origin H, is closed according to the machine coordinates of A points and O points
System：Xo=XA- φ d, Zo=ZA release the machine coordinates of A points and O points；
B. further according to H compared with the workpiece coordinate system of O points（100、50）, finally release H points machine coordinates：XH=100-φd、
ZH=ZA+50, the workpiece coordinate system being built such that are with the workpiece coordinate system of the position of tool tip foundation of basic-cutter.
3. a kind of accurate presetting cutter method of numerically controlled lathe as claimed in claim 2, it is characterised in that：Comprise the following steps：With workpiece
Right side center for program origin, instruct setting workpiece coordinate system, diameter programming, the workpiece coordinate system of program origin H with G92
For（100,50）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328260.1A CN108044403A (en) | 2017-12-13 | 2017-12-13 | A kind of accurate tool setting device of numerically controlled lathe and presetting cutter method |
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| CN201711328260.1A CN108044403A (en) | 2017-12-13 | 2017-12-13 | A kind of accurate tool setting device of numerically controlled lathe and presetting cutter method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015113A (en) * | 2018-07-29 | 2018-12-18 | 赫克测控技术(苏州)有限公司 | Automatic processing method |
| CN113231886A (en) * | 2021-04-30 | 2021-08-10 | 成都飞机工业（集团）有限责任公司 | Machine tool setting detection method |
| CN115981239A (en) * | 2022-12-23 | 2023-04-18 | 歌尔股份有限公司 | Machining method of numerical control machine tool, control device, numerical control machine tool and storage medium |
| CN117506575A (en) * | 2024-01-02 | 2024-02-06 | 无锡蓝赫精密工具有限公司 | Grinding device for PCD cutter |
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| JPS62152645A (en) * | 1985-12-25 | 1987-07-07 | Hitachi Seiki Co Ltd | Machine tool coordinate correction device |
| CN101758421A (en) * | 2010-01-13 | 2010-06-30 | 上海中船三井造船柴油机有限公司 | Benchmark integration processing method and multi-directional locating block thereof |
| CN103506915A (en) * | 2012-06-15 | 2014-01-15 | 日本精工株式会社 | Grinding processing device |
| US20140130571A1 (en) * | 2012-11-09 | 2014-05-15 | Industrial Technology Research Institute | System and method for offsetting measurement of machine tool |
| CN104669065A (en) * | 2015-01-28 | 2015-06-03 | 中国工程物理研究院激光聚变研究中心 | Diamond tool in-situ detection and positioning method |
| CN106001641A (en) * | 2016-06-21 | 2016-10-12 | 韶关学院 | Laser-based device and method for adjusting tool of NC lathe by adopting virtual trial cutting method |
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2017
- 2017-12-13 CN CN201711328260.1A patent/CN108044403A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62152645A (en) * | 1985-12-25 | 1987-07-07 | Hitachi Seiki Co Ltd | Machine tool coordinate correction device |
| CN101758421A (en) * | 2010-01-13 | 2010-06-30 | 上海中船三井造船柴油机有限公司 | Benchmark integration processing method and multi-directional locating block thereof |
| CN103506915A (en) * | 2012-06-15 | 2014-01-15 | 日本精工株式会社 | Grinding processing device |
| US20140130571A1 (en) * | 2012-11-09 | 2014-05-15 | Industrial Technology Research Institute | System and method for offsetting measurement of machine tool |
| CN104669065A (en) * | 2015-01-28 | 2015-06-03 | 中国工程物理研究院激光聚变研究中心 | Diamond tool in-situ detection and positioning method |
| CN106001641A (en) * | 2016-06-21 | 2016-10-12 | 韶关学院 | Laser-based device and method for adjusting tool of NC lathe by adopting virtual trial cutting method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015113A (en) * | 2018-07-29 | 2018-12-18 | 赫克测控技术(苏州)有限公司 | Automatic processing method |
| CN113231886A (en) * | 2021-04-30 | 2021-08-10 | 成都飞机工业（集团）有限责任公司 | Machine tool setting detection method |
| CN113231886B (en) * | 2021-04-30 | 2022-03-15 | 成都飞机工业（集团）有限责任公司 | Machine tool setting detection method |
| CN115981239A (en) * | 2022-12-23 | 2023-04-18 | 歌尔股份有限公司 | Machining method of numerical control machine tool, control device, numerical control machine tool and storage medium |
| CN117506575A (en) * | 2024-01-02 | 2024-02-06 | 无锡蓝赫精密工具有限公司 | Grinding device for PCD cutter |
| CN117506575B (en) * | 2024-01-02 | 2024-03-15 | 无锡蓝赫精密工具有限公司 | Grinding device for PCD cutter |
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Application publication date: 20180518 |
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