CN105807715A - Effect and method of cutter compensation in numerical control machine tool - Google Patents
Effect and method of cutter compensation in numerical control machine tool Download PDFInfo
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- CN105807715A CN105807715A CN201610118963.0A CN201610118963A CN105807715A CN 105807715 A CN105807715 A CN 105807715A CN 201610118963 A CN201610118963 A CN 201610118963A CN 105807715 A CN105807715 A CN 105807715A
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- cutter
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- machine tool
- offset value
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/404—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/36—Nc in input of data, input key till input tape
- G05B2219/36573—X, y, z and tooloffset values or direction values
Abstract
The invention relates to an effect and method of cutter compensation in a numerical control machine tool. The method includes the following steps: building a coordinate system for the machine tool; using the ground center of a chuck as a reference origin; doing return-to-zero operations after the machine tool is started, and then building the coordinate system for the machine tool; selecting a cutter and having its cutter compensation value cleared off; firstly testing the transverse plane and manually withdrawing the cutter, inputting Z0 into No. 001 of the cutter compensation sheet, automatically calculating the cutter compensation value in Z direction of the first cutter by the system; manually operating the trial cutting outer circle, manually withdrawing the cutter and measuring the trial cutting value; selecting a cutter compensation sheet, inputting the measured value; automatically calculating the cutter compensation value in the X direction of the first cutter by the machine tool numerical control system; adopting a trial cutting method to cut a section of the outer diameter of a component after changing a cutter, and retreating the cutter along with X direction; inputting the z-axis length value that is measured to value Z of No. 002 in the cutter compensation sheet. According to the invention, the function provided is capable of making the processing of workpieces more accurate, increasing cutter quality and production efficiency and reducing production costs. The method is also expected to bring valuable information for workshop production.
Description
Technical field
The present invention relates to the effect of cutter compensation in Digit Control Machine Tool and method and technology field, particularly relate to a kind of based on the effect of cutter compensation in the Digit Control Machine Tool of LED visible light communication technology and method.
Background technology
The lathe of different prices and type has different configurations, and wherein economical lathe lacks the function of cutter compensation, so can only manually run the movement locus dimensioned program of cutter location in the process produced；Numerically controlled lathe then can carry out automatic computing according to the profile of tool work piece and size, is automatically adjusted on the running orbit of tool work piece by cutter location.The different types of lathe of both shows aborning significantly efficiency and qualitative difference.Therefore, numerically controlled lathe occuping market gradually becomes the selection of factory of many enterprises.The cutter compensation effect of first analyzing numerically controlled lathe.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that the effect of cutter compensation and method in a kind of Digit Control Machine Tool.
The present invention is achieved through the following technical solutions: the effect of cutter compensation and method in a kind of Digit Control Machine Tool, as follows including described step:
1. the coordinate system of lathe is first set up；One center, chuck ground, as the initial point of reference, starts the laggard row rezero operation of machine, sets up the coordinate system of lathe；
2. select a cutter, empty tool offset value；First test run end face, manually exits cutter, mends input Z0 in table 001 at cutter, and system calculates first cutter Z-direction tool offset value automatically.Manual operation trial cut cylindrical, manually exits cutter, and trial cut value is measured, and selects cutter to mend table, input measurement value, and CNC system for lathe will calculate the X of first cutter automatically to tool offset value；
3. after tool changing, adopting Test-cut met trial cut part one section of external diameter, along the X direction withdrawing, and be input to by the Z axis length value recorded in cutter benefit table in the Z value of No. 002, now CNC system for lathe will calculate the tool offset value of the Z-direction of second cutter automatically；
4. the tool offset value of other cutters and second cutter the skill in using a kitchen knife in cookery is the same are measured.
As preferably, described accessory size greatly then reduces tool offset value；Accessory size is little, then strengthen tool offset value.
As preferably, described cutter benefit table being provided with 001,002,003, No. 004 position.
As preferably, described locating workpiece size at No. 004 and decrease 0.2mm, this place's tool offset value is shown as T4.3, then then increasing the tool offset value 0.2mm at this place, input T4.7 increases No. 004 cutter and mend.
As preferably, described at No. 004 place's input M+0.2, equally possible accomplish position compensation.
The present invention, by utilizing this function to increase the dimensional accuracy of workpiece, the quality improving cutter and production efficiency, reduces production cost, and is desirable to provide some valuable information to Workshop Production.
Cutter compensation substantially increases the Numerical accuracy of workpiece in the process of lathe in machining workpiece.When coding more simply and readily, the substantial amounts of time is saved.Produce the workpiece of same specification, have employed the manufacturing enterprise of Tool Tip Offset and can save the more time, for strengthen enterprise competition be particularly important.Zhuzhou hard alloy group is made very well at this on the one hand as the outstanding person of cutter enterprise of China always, by growing with each passing hour, introduces state-of-the-art technology to overcome asking in production, production efficiency is improve several times.Numerically controlled lathe carries out cutter compensation, decreases manpower and materials, also bring very big benefit to workshop management.The program simplified helps cutter to remain able in case of wearing process the workpiece that specification is consistent.
Detailed description of the invention:
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, the present invention is further elaborated by below example.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention；Below the preferred embodiments of the present invention are described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention being made apparent clear and definite defining.
The present invention relates to the effect of cutter compensation in a kind of Digit Control Machine Tool and method, as follows including described step:
1. the coordinate system of lathe is first set up；One center, chuck ground, as the initial point of reference, starts the laggard row rezero operation of machine, sets up the coordinate system of lathe；
2. select a cutter, empty tool offset value；First test run end face, manually exits cutter, mends input Z0 in table 001 at cutter, and system calculates first cutter Z-direction tool offset value automatically.Manual operation trial cut cylindrical, manually exits cutter, and trial cut value is measured, and selects cutter to mend table, input measurement value, and CNC system for lathe will calculate the X of first cutter automatically to tool offset value；
3. after tool changing, adopting Test-cut met trial cut part one section of external diameter, along the X direction withdrawing, and be input to by the Z axis length value recorded in cutter benefit table in the Z value of No. 002, now CNC system for lathe will calculate the tool offset value of the Z-direction of second cutter automatically；
4. the tool offset value of other cutters and second cutter the skill in using a kitchen knife in cookery is the same are measured.
Described accessory size greatly then reduces tool offset value；Accessory size is little, then strengthen tool offset value.
Described cutter benefit table is provided with 001,002,003, No. 004 position.
Described locating workpiece size at No. 004 and decrease 0.2mm, this place's tool offset value is shown as T4.3, then then increase the tool offset value 0.2mm at this place, and input T4.7 increases No. 004 cutter and mends.
Described at No. 004 place's input M+0.2, equally possible accomplish position compensation.
In sum, the position compensation point of a knife of tool nose of the present invention is a point, once enter production link, point of a knife will soon be worn away, and forms a very small cambered surface.Along with the increase of process time, error time part is processed by this cambered surface is also just slowly become heavy.Solve this problem, it is necessary to carry out knife tool arc position radius compensation.The shape of point of a knife and position above are said to put from actual mechanical process and are represented, but are then exist with the form in face in theory, and its cross section is one section of arc.When installing cutter, as long as cutter base allows, it is possible to carry out installing on any one direction.In order to the position of location point of a knife, position of tool tip is compensated accurately, define position of tool tip code.The position of tool tip of cutter compensates to be needed to compensate with cutter geometric position to combine the overall offset that just can calculate position.Two kinds of synthesis CNC system for lathe compensated according to the numerical parameter storing cutter compensation value and arc radius offset in memory, can perform every single stepping automatically.System revises the positional value of cutter and the numerical value of corner radius automatically according to the offset of storage, it is ensured that the attrition value that cutter produces after used a period of time is effectively corrected.If two kinds of offsets all exist, then in actual mechanical process CNC system for lathe will provide for both offsets and carry out position compensation.
The method of Tool Tip Offset
1. method of absolute coordinate system is modified in 001,002,003 or No. 004 position of cutter benefit.Workpiece size is adopted greatly then to reduce tool offset value；Workpiece size is little, then strengthen tool offset value.Such as locate workpiece size at No. 004 and decrease 0.2mm, this place's tool offset value is shown as T4.3, then then increases the tool offset value 0.2mm at this place, input T4.7 and increases No. 004 cutter benefit.2. relative coordinate method one of the above method is example: at No. 004 place's input M+0.2, equally possible accomplish position compensation.
The meaning of Tool Tip Offset
Cutter compensation substantially increases the Numerical accuracy of workpiece in the process of lathe in machining workpiece.When coding more simply and readily, the substantial amounts of time is saved.Produce the workpiece of same specification, have employed the manufacturing enterprise of Tool Tip Offset and can save the more time, for strengthen enterprise competition be particularly important.Zhuzhou hard alloy group is made very well at this on the one hand as the outstanding person of cutter enterprise of China always, by growing with each passing hour, introduces state-of-the-art technology to overcome asking in production, production efficiency is improve several times.Numerically controlled lathe carries out cutter compensation, decreases manpower and materials, also bring very big benefit to workshop management.The program simplified helps cutter to remain able in case of wearing process the workpiece that specification is consistent.
Tool Tip Offset
1. time the necessity numerically controlled lathe of cutter compensation programs voluntarily, being generally arranged on the fixed position of knife rest by the operating position of each cutter, the position of the tool nose every time set is just as.The process of practical operation is subject to the impact of tool dimension and shape, often the position of tool tip of cutter cannot be fixed on same position every time.When tool changing, due to human error of having worn and torn, the position of tool tip of newly installed cutter also cannot be accomplished to accomplish to overlap with the position of previous tool nose, and error is inevitably generated.In order to make up the impact that the error caused due to these factors is brought, it is necessary to carry out cutter compensation, the part otherwise processed will produce the difference in shape and size with the part setting clocking requirement.2. the numerical bias between the cutter that the effect cutter compensation of cutter compensation uses when compensate for the cutter used when the course of processing and design on the one hand.Ensure that in layout design, part specifications is consistent with the part specifications of production and processing on the other hand.3. cutter compensation method for expressing is in the course of processing of part, often incessantly installs a cutter, when being programmed, is often workpiece origin by the center of knife rest.Cutter movement locus in the course of processing and abrasion numerical value are all controlled by Tool Tip Offset and adjust.Before this concept of cutter compensation proposes, shop personnel can be clearly seen that the deviation between the profile of workpiece and the central motion track of size and cutter.When slotting cutter processing work, the profiled envelope of workpiece is got up so that this deviation is very clear.The non-single representation of method for expressing of Tool Tip Offset, but integrated expression by multiple offset.Tool Tip Offset includes the wear-compensating value of processing work and the geometry numerical compensation of cutter.Both compensates by abrasion side-play amount and geometrical offset amount combined compensation, and namely tool position always compensates.Tool position always compensate corresponding in CNC system for lathe memory element numbering can either cutter on corresponding diverse location and that corresponding offset that drives in the wrong direction, Tool Tip Offset can be cancelled when resetting programming and needing again.Numerically controlled lathe is operated more easy and quick by this motility under the production load carrying out big workload.
The standardized element that the present invention uses all can be commercially, shaped piece according to description record all can carry out customized, the concrete connected mode of each part all adopts in prior art the conventional meanses such as ripe bolt, rivet, welding, machinery, part and equipment all adopt in prior art, conventional model, it is connected by connected mode conventional in prior art plus circuit, is not described in detail in this.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (5)
1. the effect of cutter compensation and method in a kind of Digit Control Machine Tool according to claim 1, it is characterised in that described step is as follows:
1. the coordinate system of lathe is first set up；One center, chuck ground, as the initial point of reference, starts the laggard row rezero operation of machine, sets up the coordinate system of lathe；
2. select a cutter, empty tool offset value；First test run end face, manually exits cutter, mends input Z0 in table 001 at cutter, and system calculates first cutter Z-direction tool offset value automatically,
Manual operation trial cut cylindrical, manually exits cutter, and trial cut value is measured, and selects cutter to mend table, input measurement value, and CNC system for lathe will calculate the X of first cutter automatically to tool offset value；
3. after tool changing, adopting Test-cut met trial cut part one section of external diameter, along the X direction withdrawing, and be input to by the Z axis length value recorded in cutter benefit table in the Z value of No. 002, now CNC system for lathe will calculate the tool offset value of the Z-direction of second cutter automatically；
4. the tool offset value of other cutters and second cutter the skill in using a kitchen knife in cookery is the same are measured.
2. the effect of cutter compensation and method in a kind of Digit Control Machine Tool according to claim 1, it is characterised in that described accessory size greatly then reduces tool offset value；Accessory size is little, then strengthen tool offset value.
3. the effect of cutter compensation and method in a kind of Digit Control Machine Tool according to claim 1, it is characterised in that be provided with 001,002,003, No. 004 position in described cutter benefit table.
4. the effect of cutter compensation and method in a kind of Digit Control Machine Tool according to claim 1, it is characterized in that, described No. 004 locate workpiece size decrease 0.2mm, this place's tool offset value is shown as T4.3, so then increase the tool offset value 0.2mm at this place, input T4.7 and increase No. 004 cutter benefit.
5. the effect of cutter compensation and method in a kind of Digit Control Machine Tool according to claim 1, it is characterised in that described at No. 004 place's input M+0.2, equally possible accomplishes position compensation.
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| CN201610118963.0A CN105807715A (en) | 2016-03-03 | 2016-03-03 | Effect and method of cutter compensation in numerical control machine tool |
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| CN201610118963.0A CN105807715A (en) | 2016-03-03 | 2016-03-03 | Effect and method of cutter compensation in numerical control machine tool |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292533A (en) * | 2016-08-23 | 2017-01-04 | 中航飞机起落架有限责任公司 | Error-preventing method in large-sized structural parts manufacture process |
| CN107544429A (en) * | 2017-09-28 | 2018-01-05 | 中国航发动力股份有限公司 | It is a kind of to prevent digital control processing to knife value and the method for cutter compensation value input error |
| CN109358567A (en) * | 2018-12-07 | 2019-02-19 | 上海维宏电子科技股份有限公司 | Cutting tool for CNC machine path compensation and the method for processing |
| CN109926878A (en) * | 2019-03-07 | 2019-06-25 | 大连大学 | It is a kind of precisely to determine that the stage axis of grinding starting point is ground new mechanism based on Numeric Control Technology |
| CN110187671A (en) * | 2019-05-05 | 2019-08-30 | 一汽解放汽车有限公司 | A kind of method of online outer diameter automatic measurement and cutter compensation |
| CN110799915A (en) * | 2017-05-26 | 2020-02-14 | 深圳配天智能技术研究院有限公司 | Tool path compensation method and numerical control machine tool |
| CN111113268A (en) * | 2019-12-21 | 2020-05-08 | 福建省嘉泰智能装备有限公司 | Cutter correction method and system for machine tool |
| CN113720695A (en) * | 2021-08-08 | 2021-11-30 | 山西太钢不锈钢股份有限公司 | Method for continuously processing rectangular tensile samples of different specifications in four stations |
| CN115629569A (en) * | 2022-12-23 | 2023-01-20 | 赫比(成都)精密塑胶制品有限公司 | Machine tool control method and system |
| 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 |
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| CN104139321A (en) * | 2013-09-24 | 2014-11-12 | 上海拓璞数控科技有限公司 | Automatic alignment system for in situ measurement of large structural component and alignment method of system |
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| CN101081480A (en) * | 2007-07-10 | 2007-12-05 | 南京航空航天大学 | Numerically controlled machine accuracy detection and device of adjusting knife |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292533A (en) * | 2016-08-23 | 2017-01-04 | 中航飞机起落架有限责任公司 | Error-preventing method in large-sized structural parts manufacture process |
| CN110799915A (en) * | 2017-05-26 | 2020-02-14 | 深圳配天智能技术研究院有限公司 | Tool path compensation method and numerical control machine tool |
| CN107544429A (en) * | 2017-09-28 | 2018-01-05 | 中国航发动力股份有限公司 | It is a kind of to prevent digital control processing to knife value and the method for cutter compensation value input error |
| CN107544429B (en) * | 2017-09-28 | 2020-02-07 | 中国航发动力股份有限公司 | Method for preventing numerical control machining tool setting value and tool compensation value from being input wrongly |
| CN109358567A (en) * | 2018-12-07 | 2019-02-19 | 上海维宏电子科技股份有限公司 | Cutting tool for CNC machine path compensation and the method for processing |
| CN109358567B (en) * | 2018-12-07 | 2021-04-09 | 上海维宏电子科技股份有限公司 | Method for compensating and processing cutter path of numerical control machine tool |
| CN109926878A (en) * | 2019-03-07 | 2019-06-25 | 大连大学 | It is a kind of precisely to determine that the stage axis of grinding starting point is ground new mechanism based on Numeric Control Technology |
| CN110187671A (en) * | 2019-05-05 | 2019-08-30 | 一汽解放汽车有限公司 | A kind of method of online outer diameter automatic measurement and cutter compensation |
| CN110187671B (en) * | 2019-05-05 | 2021-07-09 | 一汽解放汽车有限公司 | Method for on-line automatic measurement of outer diameter and tool compensation |
| CN111113268A (en) * | 2019-12-21 | 2020-05-08 | 福建省嘉泰智能装备有限公司 | Cutter correction method and system for machine tool |
| CN111113268B (en) * | 2019-12-21 | 2021-09-07 | 福建省嘉泰智能装备有限公司 | Cutter correction method and system for machine tool |
| CN113720695A (en) * | 2021-08-08 | 2021-11-30 | 山西太钢不锈钢股份有限公司 | Method for continuously processing rectangular tensile samples of different specifications in four stations |
| CN115629569A (en) * | 2022-12-23 | 2023-01-20 | 赫比(成都)精密塑胶制品有限公司 | Machine tool control method and system |
| 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 |
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Application publication date: 20160727 |