CN107775445A - A kind of temperature compensation in high-accuracy large-scale aluminium Product processing - Google Patents
A kind of temperature compensation in high-accuracy large-scale aluminium Product processing Download PDFInfo
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- CN107775445A CN107775445A CN201610793326.3A CN201610793326A CN107775445A CN 107775445 A CN107775445 A CN 107775445A CN 201610793326 A CN201610793326 A CN 201610793326A CN 107775445 A CN107775445 A CN 107775445A
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- temperature
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- aluminium product
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Classifications
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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
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/18—Compensation of tool-deflection due to temperature or force
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Control Of Machine Tools (AREA)
Abstract
The invention discloses the temperature compensation in a kind of high-accuracy large-scale aluminium Product processing, it is characterised in that comprises the following steps：(1) scene temperature A and cutting fluid temperature B data are respectively obtained by thermometer；(2) by (A+B)/2, coefficient D is multiplied by after subtracting assembly environment temperature C, the thermal coefficient of expansion for being then multiplied by aluminium obtains thermal coefficient of expansion multiplying power, thermal expansion multiplying power formula VC1=(C of (A+B)/2) * D*0.000023+1；(3) machining coordinate after thermal expansion multiplying power VC1 obtains temperature-compensating will be multiplied by the coordinate node of setting in large scale aluminium Product processing, lathe is processed according to the machining coordinate after the temperature-compensating to workpiece.The present invention can reduce error caused by temperature, can also avoid dimensional discrepancy caused by artificial temperature intervention program, and mitigate the workload of debugging engineers and technicians, more make the step of product quality progress one stable while operating efficiency is lifted.
Description
Technical field
The invention belongs to precision metal manufacture field, and in particular to the temperature in a kind of high-accuracy large-scale aluminium Product processing
Compensation method.
Background technology
In the processing of aluminium product, influence of the temperature to size is very big, particularly in the small public affairs of large scale (more than 2000mm)
In the case of poor (+- 0.02), when processing site environment temperature and practical set temperature difference difference are big, performance is especially prominent.Compared to
The rapidoprints such as cast iron, the density of aluminium are small.Under the premise of equal temperature variation, the hot swollen value that rises of the material such as cast iron almost may be used
To ignore.And the change of aluminum can then reach 1000mm and reach 0.1mm or so in 10 degrees Celsius of difference variation.
Some more changing factors, such as wind-force, live ventilation situation, the heat engine feelings of lathe in the actual processing at scene also be present
Condition, the influence of positioning precision and cutting fluid of lathe etc..Wherein influence maximum to function of temperature compensation control is cutting fluid.Cutting fluid
Temperature and the temperature of processing environment have a very big deviation, workpiece in the case of without cutting fluid, continue cutting fluid situation and discontinuously
Function of temperature compensation control in the case of cutting has difference.Some current processing methods not can solve processing dimension with
The incongruent problem of practical set.
The content of the invention
The present invention seeks to：A kind of high-accuracy large-scale aluminium product that machining accuracy can be improved by temperature-compensating is provided
Temperature compensation in processing.
The technical scheme is that：A kind of temperature compensation in high-accuracy large-scale aluminium Product processing, including with
Lower step：
(1) scene temperature A and cutting fluid temperature B data are respectively obtained by thermometer；
(2) by (A+B)/2, coefficient D is multiplied by after subtracting assembly environment temperature C, the thermal coefficient of expansion for being then multiplied by aluminium obtains
Thermal coefficient of expansion multiplying power, thermal expansion multiplying power formula VC1=((A+B)/2-C) * D*0.000023+1；
(3) thermal expansion multiplying power VC1 will be multiplied by the coordinate node of setting in large scale aluminium Product processing and obtains temperature benefit
Machining coordinate after repaying, lathe are processed according to the machining coordinate after the temperature-compensating to workpiece.
Further, the coefficient D is between 0.22 to 0.25.
Further, the coefficient D is 0.235.
It is an advantage of the invention that：
Error caused by temperature can be reduced, dimensional discrepancy caused by artificial temperature intervention program can also be avoided, and subtracted
The workload of light debugging engineers and technicians, more makes the step of product quality progress one stable while operating efficiency is lifted.
Embodiment
Embodiment：In aluminium product process of a size more than 2040mm is processed, temperature compensation is introduced.First
Scene temperature A and cutting fluid temperature B data are respectively obtained by thermometer, value (A+B)/2, subtract assembly environment temperature C
(or detection environment temperature C), (A+B)/2-C, is multiplied by coefficient D, ((A+B)/2-C) * D, is then multiplied by the thermal coefficient of expansion of aluminium
((A+B)/2-C) * D*0.000023, obtain VC1=((A+B)/2-C) * D*0.000023+1.By in large scale aluminium Product processing
The machining coordinate after temperature-compensating is obtained by thermal expansion multiplying power VC1 is multiplied by the coordinate node of setting, lathe is according to the temperature
Machining coordinate after compensation is processed to workpiece.
Verification process：At the scene under temperature A at the end of maximum dimensions of workpiece 2, do not influence the places of properties of product, according to temperature
Size after difference compensation bores 2 smart holes, is placed more than 8 hours under assembly environment temperature C (or detection environment temperature C).
By three coordinate measurement actual sizes, definite scale error is obtained.Specifically it see the table below：
By above-described embodiment from finding out that employing temperature-compensating can be very good to reduce tolerance, solve processing dimension with
The incongruent problem of practical set.
Certainly the above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow be familiar with technique
People can understand present disclosure and implement according to this, it is not intended to limit the scope of the present invention.It is all according to this hair
The modification that the Spirit Essence of bright main technical schemes is done, it should all be included within the scope of the present invention.
Claims (3)
1. the temperature compensation in a kind of high-accuracy large-scale aluminium Product processing, it is characterised in that comprise the following steps：
(1) scene temperature A and cutting fluid temperature B data are respectively obtained by thermometer；
(2) by (A+B)/2, coefficient D is multiplied by after subtracting assembly environment temperature C, be then multiplied by aluminium thermal coefficient of expansion obtain heat it is swollen
Swollen K-ratio, thermal expansion multiplying power formula VC1=((A+B)/2-C) * D*0.000023+1；
(3) will be multiplied by large scale aluminium Product processing on the coordinate node of setting after thermal expansion multiplying power VC1 obtains temperature-compensating
Machining coordinate, lathe is processed according to the machining coordinate after the temperature-compensating to workpiece.
2. the temperature compensation in high-accuracy large-scale aluminium Product processing according to claim 1, it is characterised in that institute
Coefficient D is stated between 0.22 to 0.25.
3. the temperature compensation in high-accuracy large-scale aluminium Product processing according to claim 2, it is characterised in that institute
Coefficient D is stated as 0.235.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793326.3A CN107775445A (en) | 2016-08-31 | 2016-08-31 | A kind of temperature compensation in high-accuracy large-scale aluminium Product processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793326.3A CN107775445A (en) | 2016-08-31 | 2016-08-31 | A kind of temperature compensation in high-accuracy large-scale aluminium Product processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107775445A true CN107775445A (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610793326.3A Pending CN107775445A (en) | 2016-08-31 | 2016-08-31 | A kind of temperature compensation in high-accuracy large-scale aluminium Product processing |
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| CN (1) | CN107775445A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115079658A (en) * | 2022-08-22 | 2022-09-20 | 安徽新境界自动化技术有限公司 | Intelligent production line monitoring system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58160042A (en) * | 1982-03-12 | 1983-09-22 | Mitsubishi Heavy Ind Ltd | Compensating method of thermal displacement of numerically controlled machine tool |
| JPH04343642A (en) * | 1991-05-16 | 1992-11-30 | Niigata Eng Co Ltd | Work thermal expansion correcting method for cut machining |
| JPH05116053A (en) * | 1991-10-28 | 1993-05-14 | Hitachi Seiki Co Ltd | Thermal displacement compensation method for machine tool |
| JP2008246620A (en) * | 2007-03-30 | 2008-10-16 | Brother Ind Ltd | Machine tool, control program for correcting thermal expansion, and storage medium |
| CN102452026A (en) * | 2010-10-25 | 2012-05-16 | 宝山钢铁股份有限公司 | Compensation method for roller grinding |
| CN103823991A (en) * | 2014-03-11 | 2014-05-28 | 华中科技大学 | Heavy-duty tool thermal error prediction method taking environmental temperature into account |
| CN105022344A (en) * | 2014-04-22 | 2015-11-04 | 上海开通数控有限公司 | Numerical control machine tool thermal error compensating method |
| CN105798705A (en) * | 2014-12-30 | 2016-07-27 | 武汉重型机床集团有限公司 | Machining compensation method for high-precision hole system of austenitic stainless steel plate part |
-
2016
- 2016-08-31 CN CN201610793326.3A patent/CN107775445A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58160042A (en) * | 1982-03-12 | 1983-09-22 | Mitsubishi Heavy Ind Ltd | Compensating method of thermal displacement of numerically controlled machine tool |
| JPH04343642A (en) * | 1991-05-16 | 1992-11-30 | Niigata Eng Co Ltd | Work thermal expansion correcting method for cut machining |
| JPH05116053A (en) * | 1991-10-28 | 1993-05-14 | Hitachi Seiki Co Ltd | Thermal displacement compensation method for machine tool |
| JP2008246620A (en) * | 2007-03-30 | 2008-10-16 | Brother Ind Ltd | Machine tool, control program for correcting thermal expansion, and storage medium |
| CN102452026A (en) * | 2010-10-25 | 2012-05-16 | 宝山钢铁股份有限公司 | Compensation method for roller grinding |
| CN103823991A (en) * | 2014-03-11 | 2014-05-28 | 华中科技大学 | Heavy-duty tool thermal error prediction method taking environmental temperature into account |
| CN105022344A (en) * | 2014-04-22 | 2015-11-04 | 上海开通数控有限公司 | Numerical control machine tool thermal error compensating method |
| CN105798705A (en) * | 2014-12-30 | 2016-07-27 | 武汉重型机床集团有限公司 | Machining compensation method for high-precision hole system of austenitic stainless steel plate part |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115079658A (en) * | 2022-08-22 | 2022-09-20 | 安徽新境界自动化技术有限公司 | Intelligent production line monitoring system |
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Application publication date: 20180309 |
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