CN109623485A - A kind of cutting tool for CNC machine length compensation system and method - Google Patents

A kind of cutting tool for CNC machine length compensation system and method Download PDF

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Publication number
CN109623485A
CN109623485A CN201910066109.8A CN201910066109A CN109623485A CN 109623485 A CN109623485 A CN 109623485A CN 201910066109 A CN201910066109 A CN 201910066109A CN 109623485 A CN109623485 A CN 109623485A
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China
Prior art keywords
cutter
setting gauge
measured
tool setting
control system
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CN201910066109.8A
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CN109623485B (en
Inventor
陈丽源
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JIANGMEN AOSILONG MACHINERY CO Ltd
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JIANGMEN AOSILONG MACHINERY CO Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q15/00Automatic control or regulation of feed movement, cutting velocity or position of tool or work
    • B23Q15/007Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
    • B23Q15/16Compensation for wear of the tool

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Numerical Control (AREA)
  • Automatic Control Of Machine Tools (AREA)
  • Machine Tool Sensing Apparatuses (AREA)

Abstract

The invention discloses a kind of cutting tool for CNC machine length compensation system and methods, the measurement diameter of radius and tool setting gauge to cutter to be measured is compared, when the radius of cutter to be measured is greater than the measurement diameter of tool setting gauge, control tool setting gauge deviates a distance, so that the center of the point of a knife alignment tool setting gauge of cutter to be measured, cutter to be measured can be touched effectively with tool setting gauge, the compatibility of raising system, then offset can be calculated according to the Z axis coordinate of standard knife and the Z axis coordinate of cutter to be measured in control system, and length compensation is carried out to cutter according to offset, guarantee the quality of processing.

Description

A kind of cutting tool for CNC machine length compensation system and method
Technical field
The present invention relates to technical field of mechanical processing, especially a kind of cutting tool for CNC machine length compensation system and method.
Background technique
In numerically-controlled machine tool, a variety of cutters can be usually equipped with, the length of cutter is also different, during use, Different degrees of abrasion can occur for cutter, when being worn using the cutter or cutter of different size, need long to cutter Degree compensates, it is therefore desirable to cutter be measured and be compensated using tool setting gauge, but existing some numerically-controlled machine tools can be deposited In some cutters because complementary area is excessive to cause tool setting gauge to be unable to measure the problem of, so needing a kind of to be suitable for various diameter knives The length compensation method of tool.
Summary of the invention
To solve the above problems, the purpose of the present invention is to provide a kind of cutting tool for CNC machine length compensation system and sides Method can be adapted for measurement and the length compensation of semi shield oil cylinder cutter, improve the compatibility of system.
Technical solution used by the present invention solves the problems, such as it is:
A kind of cutting tool for CNC machine length compensation system, comprising:
Main shaft, for installing cutter;
Tool setting gauge, for providing measuring signal when touching with cutter;
Control system, the length data of storing cutter, radius data measure seat when simultaneously storing cutter and tool setting gauge contact Scale value;
The tool setting gauge provides measuring signal when touching with the cutter on main shaft to control system, and the control system is surveyed Measure the coordinate value of simultaneously storing cutter, coordinate value offset value calculation of the control system according to standard knife and cutter to be measured, institute Control system is stated to process workpiece according to the cutter on the mobile main shaft of offset and main shaft;The control system judge to When the radius of survey cutter is greater than the measurement diameter of tool setting gauge, touch cutter to be measured with tool setting gauge after control tool setting gauge offset.
Further, the tool setting gauge is contact tool setting gauge.
Further, the tool setting gauge includes contact surface, and the Spindle control cutter movement is touched with contact surface.
It further, further include driving mechanism for driving tool setting gauge mobile, the control system control driving mechanism is driven Dynamic tool setting gauge.
A kind of cutting tool for CNC machine length compensation method, comprising the following steps:
Standard knife is moved to above tool setting gauge by main shaft, and control system measures and obtains the Z axis coordinate value of standard knife;
The radius of control system cutter more to be measured and the measurement diameter of tool setting gauge, if the radius of cutter to be measured is not more than When the measurement diameter of tool setting gauge, touch cutter to be measured with tool setting gauge, conversely, control system control tool setting gauge deviates in X-axis After touch it with cutter to be measured;
When cutter to be measured is touched with tool setting gauge, control system measures and obtains the Z axis coordinate value of cutter to be measured;
Control system obtains cutter length to be measured according to the Z axis coordinate value of standard knife and the Z axis coordinate value of cutter to be measured Offset;
Control system carries out length compensation according to the offset of cutter length to be measured.
Further, before standard knife is moved to above tool setting gauge by main shaft, control system first measures and obtains tool setting gauge X, Y axis coordinate.
Further, the control system is previously stored with the radius data and length data of cutter, control system according to Length data is using the smallest cutter of length as standard knife.
Further, when the radius of cutter to be measured is greater than the measurement diameter of tool setting gauge, control system controls tool setting gauge in X-axis The distance of upper offset is the size that tool setting gauge measures radius.
Further, the calculation formula of the offset of cutter length to be measured are as follows:
L=| A-B+C |;
Wherein A is the Z axis coordinate value of cutter to be measured, and B is the Z axis coordinate value of standard knife, and C is the length of standard knife.
The beneficial effects of the present invention are: a kind of cutting tool for CNC machine length compensation system that the present invention uses, control system The measuring signal generated when being touched according to tool setting gauge with main shaft records coordinate value at that time, passes through cutter to be measured and standard cutter Coordinate value the offset of cutter to be measured can be calculated, so as to compensate, and control system also judge to Whether the radius for surveying cutter is greater than the measurement diameter of tool setting gauge, when the radius of cutter to be measured is greater than the measurement diameter of tool setting gauge, Deviate tool setting gauge, so that cutter to be measured can be touched effectively with tool setting gauge, to solve the problems, such as that big cutter is incompatible;
A kind of numerically-controlled machine tool length compensation method that the present invention uses, by the radius and tool setting gauge that compare cutter to be measured Diameter is measured, when the radius of cutter to be measured is greater than the measurement diameter of tool setting gauge, control tool setting gauge deviates a distance, makes to be measured Cutter can be touched with tool setting gauge, improve compatibility, while carrying out by the Z axis coordinate value of cutter to be measured and standard knife The calculating of offset can effectively compensate cutter to be measured, guarantee machine tooling quality.
Detailed description of the invention
The invention will be further described with example with reference to the accompanying drawing.
Fig. 1 is a kind of structural schematic diagram of numerically-controlled machine tool length compensation system of the present invention;
Fig. 2 is a kind of flow chart of numerically-controlled machine tool length compensation method of the present invention.
Specific embodiment
Referring to Fig.1, a kind of cutting tool for CNC machine length compensation system of the invention, comprising:
Main shaft 1, for installing cutter;
Tool setting gauge 2, for providing measuring signal when touching with cutter;
Control system 3, the length data of storing cutter, radius data measure when simultaneously storing cutter and tool setting gauge 2 contact Coordinate value;
The tool setting gauge 2 provides measuring signal when touching with the cutter on main shaft 1 to control system 3, the control system The coordinate value of 3 measurement of system and storing cutter, the control system 3 are calculated according to the coordinate value of standard knife and cutter to be measured and are compensated Value, the control system 3 process workpiece according to the cutter on the mobile main shaft 1 of offset and main shaft 1;The control system System 3 judge cutter to be measured radius be greater than tool setting gauge 2 measurement diameter when, control tool setting gauge 2 offset after make cutter to be measured with it is right Knife instrument 2 touches.
Tool setting gauge 2 can generate a measuring signal when touching with the cutter on main shaft 1, and control system 3 receives measurement The coordinate value of cutter present position at that time can be measured after signal, the coordinate value of cutter is used to compensate the calculating of value, wherein controlling System 3 processed first can measurement standard knife coordinate value, and standard knife refers to the smallest cutter of length on current lathe in use, Using it as standard knife, control system 3 measures the coordinate value of cutter to be measured, by the coordinate of the coordinate value of cutter to be measured and standard knife Value carries out calculating the offset that cutter to be measured can be obtained, and then can carry out length benefit to cutter to be measured with this offset It repays, guarantees the processing quality of lathe.
And in order to enable lathe is adapted to the biggish cutter of cutter diameter, when the coordinate value to cutter to be measured measures, Control system 3 judges the size of the radius of cutter to be measured and the measurement diameter of tool setting gauge 2 first, when the radius of cutter to be measured is big When the measurement diameter of tool setting gauge 2, cutter to be measured can not effectively be touched with tool setting gauge 2, so this time control of control system 3 Tool setting gauge 2 processed deviates a distance, allows the point of a knife of cutter to be measured to the center of upper tool setting gauge 2, so as to realize to The effective of cutter and tool setting gauge 2 is surveyed to touch, so as to improve the compatibility of lathe, make lathe may be equally applicable for cutter diameter compared with Big cutter.
Specifically, the tool setting gauge 2 is contact tool setting gauge.Contact tool setting gauge is generated when cutter is in contact with it One measuring signal, the measuring signal are transferred in control system 3, and control system 3 is measured according to measuring signal.
Specifically, the tool setting gauge 2 includes contact surface, and the main shaft 1 controls cutter movement and touches with contact surface.Contact surface Refer to the working face with tool contact, after cutter is touched with contact surface, tool setting gauge 2 can generate measuring signal, specifically work In the process, the working condition of the light judgement tool setting gauge 2 of the indicator light on tool setting gauge 2 can be made by touching contact surface with hand.
It specifically, further include driving mechanism 4 for driving tool setting gauge 2 mobile, the control system 3 controls driving mechanism 4 driving tool setting gauges 2.Tool setting gauge 2, which needs to carry out movement, preferably to be docked with the cutter on main shaft 1, so setting Driving mechanism 4 is used to drive the movement of tool setting gauge 2, and control is realized by control system 3, and driving mechanism 4 can be motor Etc. some relatively conventional equipment, pass through movement of the motor driven tool setting gauge 2 on workbench or guide rail.
A kind of cutting tool for CNC machine length compensation system of the invention is measured in the radius of cutter to be measured greater than tool setting gauge 2 When diameter, the control offset of tool setting gauge 2 allows the point of a knife of cutter to be measured consistent with the center of tool setting gauge 2, thus cutter to be measured It can effectively be touched with tool setting gauge 2, improve the compatibility of system, so that system can be adapted for the length of big cutter Compensation, while being measured by the coordinate value to cutter, the offset of cutter is calculated, cutter can be compensated, Guarantee the quality of machine tooling.
Referring to Fig. 2, a kind of cutting tool for CNC machine length compensation method of the invention, comprising the following steps:
Standard knife is moved to 2 top of tool setting gauge by main shaft 1, and control system 3 measures and obtains the Z axis coordinate value of standard knife;
The radius of the cutter more to be measured of control system 3 and the measurement diameter of tool setting gauge 2, if the radius of cutter to be measured is little When the measurement diameter of tool setting gauge 2, touch cutter to be measured with tool setting gauge 2, conversely, control system 3 controls tool setting gauge 2 in X-axis Touch it with cutter to be measured;When cutter to be measured is touched with tool setting gauge 2, control system 3 measures and obtains knife to be measured The Z axis coordinate value of tool;
Control system 3 obtains cutter length to be measured according to the Z axis coordinate value of standard knife and the Z axis coordinate value of cutter to be measured Offset;
Control system 3 carries out length compensation according to the offset of cutter length to be measured.
Control system 3 obtains the Z axis coordinate value of standard knife first, then judges the radius and tool setting gauge 2 of cutter to be measured The size relation for measuring diameter controls tool setting gauge 2 in X-axis when the radius of cutter to be measured is greater than the measurement diameter of tool setting gauge 2 Deviate a distance, so that the point of a knife of cutter to be measured is located at the center of tool setting gauge 2, thus cutter to be measured can effectively with it is right Knife instrument 2 is touched, and after cutter to be measured is touched with tool setting gauge 2, control system 3 measures the Z axis coordinate value of cutter to be measured, thus The offset of cutter to be measured can be calculated according to the Z axis coordinate value of the Z axis coordinate value of cutter to be measured and standard knife, so Control system 3 can be compensated according to offset afterwards, guarantee the quality of machine tooling.
Specifically, before standard knife is moved to above tool setting gauge 2 by main shaft 1, control system 3 first measures and obtains tool setting gauge 2 X, Y axis coordinate.The purpose of the X, Y axis coordinate that obtain tool setting gauge 2 are to be positioned, and control system 3 is in mobile main shaft 1, directly It connects and main shaft 1 is moved to X locating for tool setting gauge 2, at Y axis coordinate position.
Specifically, the control system 3 is previously stored with the radius data and length data of cutter, and control system 3 According to length data using the smallest cutter of length as standard knife.Cutter diameter data measure the ratio of diameter for subsequent and tool setting gauge 2 Compared with, and length data is stored for selection standard knife, numerically-controlled machine tool during use, first uses shortest cutter As standard knife, in the cutter to be measured for exchanging different size for, due to length difference, it is therefore desirable to carry out cutter to cutter to be measured Compensation, prevents cutter to be measured from damaging since length is too long to workpiece.
Specifically, when the radius of cutter to be measured is greater than the measurement diameter of tool setting gauge 2, control system 3 controls tool setting gauge 2 and exists The distance deviated in X-axis is the size that tool setting gauge 2 measures radius.The distance that its radius size is deviated by control tool setting gauge 2, can So that the point of a knife of cutter to be measured is located at the center of tool setting gauge 2, for example, the measurement diameter of tool setting gauge of the present invention 2 is 20mm, when the radius of cutter to be measured is greater than 20mm, control tool setting gauge 2 deviates 10mm in X-axis, so that the point of a knife of cutter to be measured It is consistent with the center of tool setting gauge 2, so that cutter to be measured can effectively be touched with tool setting gauge 2.And tool setting gauge 2 is specific Offset direction can be set by actual conditions, can be the positive direction of X-axis, be also possible to the negative direction of X-axis.
Specifically, the calculation formula of the offset of cutter length to be measured are as follows:
L=| A-B+C |;
Wherein A is the Z axis coordinate value of cutter to be measured, and B is the Z axis coordinate value of standard knife, and C is the length of standard knife, and L is equal to The absolute value of A-B+C.After the offset for obtaining cutter length to be measured, control system 3 can be adjusted according to offset and be set Processing zero point, such as control main shaft 1 moves up the distance of offset size in the losing side of Z axis, so as to be measured in processing The point of a knife of cutter can be exactly on workpiece, guarantee the quality of processing.
It is after specific compensation process is the offset for measuring cutter to be measured, the opposite number of the offset of cutter to be measured is defeated Enter into the Z axis coordinate of lathe, be then moved to cutter to be measured above the workpiece to be processed, finally by the survey of mechanical coordinate Magnitude is input on biasing coordinate, can be completed the compensation to cutter length, can also be by all knives in specific work process All measurement is good in advance and stores in control system 3 for the offset of tool, call wherein one cutter when, it can be read directly Then offset carries out length compensation.
A kind of cutting tool for CNC machine length compensation method of the invention measures diameter to tool radius to be measured and tool setting gauge 2 It is compared, when tool radius to be measured is greater than tool setting gauge 2 and measures diameter, mobile a distance of control tool setting gauge 2, so as to be measured The point of a knife of cutter can be to the center of upper tool setting gauge 2, so as to improve the simultaneous of system so that cutter to be measured is touched with tool setting gauge 2 Capacitive.
The above, only presently preferred embodiments of the present invention, the invention is not limited to above embodiment, as long as It reaches technical effect of the invention with identical means, all should belong to protection scope of the present invention.

Claims (9)

1. a kind of cutting tool for CNC machine length compensation system, it is characterised in that: include:
Main shaft, for installing cutter;
Tool setting gauge, for providing measuring signal when touching with cutter;
Control system, the length data of storing cutter, radius data measure coordinate when simultaneously storing cutter and tool setting gauge contact Value;
The tool setting gauge provides measuring signal when touching with the cutter on main shaft to control system,
The coordinate value of the control system measurement and storing cutter, the control system is according to standard knife and the seat of cutter to be measured Scale value offset value calculation, the control system process workpiece according to the cutter on the mobile main shaft of offset and main shaft; When the control system judges that the radius of cutter to be measured is greater than the measurement diameter of tool setting gauge, make knife to be measured after control tool setting gauge offset Tool is touched with tool setting gauge.
2. a kind of cutting tool for CNC machine length compensation system according to claim 1, it is characterised in that: the tool setting gauge is Contact tool setting gauge.
3. a kind of cutting tool for CNC machine length compensation system according to claim 2, it is characterised in that: the tool setting gauge packet Contact surface is included, the Spindle control cutter movement is touched with contact surface.
4. a kind of cutting tool for CNC machine length compensation system according to claim 1, it is characterised in that: further include for driving The mobile driving mechanism of dynamic tool setting gauge, the control system control driving mechanism drive tool setting gauge.
5. a kind of cutting tool for CNC machine length using any cutting tool for CNC machine length compensation system of claim 1-4 is mended Compensation method, it is characterised in that: the following steps are included:
Standard knife is moved to above tool setting gauge by main shaft, and control system measures and obtains the Z axis coordinate value of standard knife;
The radius of control system cutter more to be measured and the measurement diameter of tool setting gauge, if the radius of cutter to be measured is not more than to knife When the measurement diameter of instrument, touch cutter to be measured with tool setting gauge, conversely, control system control tool setting gauge makes after deviating in X-axis It is touched with cutter to be measured;
When cutter to be measured is touched with tool setting gauge, control system measures and obtains the Z axis coordinate value of cutter to be measured;
Control system obtains the benefit of cutter length to be measured according to the Z axis coordinate value of standard knife and the Z axis coordinate value of cutter to be measured Repay value;
Control system carries out length compensation according to the offset of cutter length to be measured.
6. a kind of cutting tool for CNC machine length compensation method according to claim 5, it is characterised in that: in main shaft by standard Before knife is moved to above tool setting gauge, control system first measures and obtains the X of tool setting gauge, Y axis coordinate.
7. a kind of cutting tool for CNC machine length compensation method according to claim 5, it is characterised in that: the control system Be previously stored with the radius data and length data of cutter, control system according to length data using the smallest cutter of length as Standard knife.
8. a kind of cutting tool for CNC machine length compensation method according to claim 5, it is characterised in that: when cutter to be measured When radius is greater than the measurement diameter of tool setting gauge, the distance that control system control tool setting gauge deviates in X-axis is tool setting gauge measurement half The size of diameter.
9. a kind of cutting tool for CNC machine length compensation method according to claim 5, it is characterised in that: cutter length to be measured Offset calculation formula are as follows:
L=| A-B+C |;
Wherein A is the Z axis coordinate value of cutter to be measured, and B is the Z axis coordinate value of standard knife, and C is the length of standard knife.
CN201910066109.8A 2019-01-24 2019-01-24 Length compensation system and method for numerical control machine tool cutter Active CN109623485B (en)

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Cited By (11)

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CN110488760A (en) * 2019-08-30 2019-11-22 中国航发动力股份有限公司 It is automatically entered in a kind of machine of Cutters In Mc length compensation and error-preventing method
CN110524307A (en) * 2019-09-11 2019-12-03 河南理工大学 A kind of work pieces process high accuracy positioning tool compensating apparatus
CN110549507A (en) * 2019-08-14 2019-12-10 郑州光力瑞弘电子科技有限公司 Scribing machine height measurement method, height measurement device and scribing machine
CN111208781A (en) * 2020-01-16 2020-05-29 深圳市高川自动化技术有限公司 Circuit for measuring diameter of tool in motion
CN111421385A (en) * 2020-04-03 2020-07-17 深圳市华亚数控机床有限公司 Machining center cutter on-line detection method
CN112548678A (en) * 2020-12-07 2021-03-26 深圳模德宝科技有限公司 Cutter detection method and device of numerical control machining center
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
CN114800047A (en) * 2022-04-19 2022-07-29 中国航发动力股份有限公司 Method, system, equipment and medium for forming and processing rod-shaped cutter
CN115139154A (en) * 2022-05-19 2022-10-04 嘉泰数控科技股份公司 Multifunctional high-efficiency cutter length measurement control method with automatic correction function
CN115903658A (en) * 2023-02-24 2023-04-04 江苏京创先进电子科技有限公司 Coordinate compensation method, apparatus, electronic device, storage medium, and program product
CN117655806A (en) * 2024-01-30 2024-03-08 山善自动化(苏州)有限公司 Automatic compensation device and compensation method for cutter abrasion of numerical control machining center

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CN110488760A (en) * 2019-08-30 2019-11-22 中国航发动力股份有限公司 It is automatically entered in a kind of machine of Cutters In Mc length compensation and error-preventing method
CN110524307A (en) * 2019-09-11 2019-12-03 河南理工大学 A kind of work pieces process high accuracy positioning tool compensating apparatus
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CN111208781A (en) * 2020-01-16 2020-05-29 深圳市高川自动化技术有限公司 Circuit for measuring diameter of tool in motion
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CN112548678A (en) * 2020-12-07 2021-03-26 深圳模德宝科技有限公司 Cutter detection method and device of numerical control machining center
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CN114800047A (en) * 2022-04-19 2022-07-29 中国航发动力股份有限公司 Method, system, equipment and medium for forming and processing rod-shaped cutter
CN115139154A (en) * 2022-05-19 2022-10-04 嘉泰数控科技股份公司 Multifunctional high-efficiency cutter length measurement control method with automatic correction function
CN115903658A (en) * 2023-02-24 2023-04-04 江苏京创先进电子科技有限公司 Coordinate compensation method, apparatus, electronic device, storage medium, and program product
CN117655806A (en) * 2024-01-30 2024-03-08 山善自动化(苏州)有限公司 Automatic compensation device and compensation method for cutter abrasion of numerical control machining center
CN117655806B (en) * 2024-01-30 2024-03-29 山善自动化(苏州)有限公司 Automatic compensation device and compensation method for cutter abrasion of numerical control machining center

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