CN102506666B - Comprehensive test method for geometric accuracy of numerically controlled milling machine - Google Patents
Comprehensive test method for geometric accuracy of numerically controlled milling machine Download PDFInfo
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- CN102506666B CN102506666B CN201110330581.1A CN201110330581A CN102506666B CN 102506666 B CN102506666 B CN 102506666B CN 201110330581 A CN201110330581 A CN 201110330581A CN 102506666 B CN102506666 B CN 102506666B
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Abstract
The invention discloses a comprehensive test method for geometric accuracy of a numerically controlled milling machine, which belongs to the field of numerically controlled manufacturing. The comprehensive test method uses tools containing an indicator arranged on the numerically controlled milling machine and capable of self locking a main shaft or a main shaft box, a combination measurement detection tool arranged on a working bench of the machine, a square scale with high thickness and two perpendicular horizontal scales. The comprehensive test method comprises the steps of 1 moving the working bench, centering the combination measurement detection tool and detecting the straightness of an X axis with the indicator, and simultaneously detecting the parallelism of the X axis in the horizontal plane with the horizontal scales; 2 moving a horizontal slide seat, detecting the parallelism of a Y axis in the horizontal plane through the horizontal scales, and simultaneously detecting the straightness of the Y axis and the verticality between the Y axis and the X axis with the indicator and the square scale with the high thickness; 3 moving the main shaft box, and detecting the straightness of a Z axis and the verticality between the Z axis and the XY plane. The comprehensive test method has the advantages of being simple in measurement operation, few in times for centering measurement appliances and capable of measuring a plurality of accuracies in one time, reducing location error, reducing measurement time and improving test efficiency.
Description
Technical field
A kind of comprehensive test method that the present invention relates to CNC milling machine geometric accuracy, belongs to digital control processing technique field.Be applicable to various CNC milling machine and Milling Machining Center.
Background technology
CNC milling machine is the manufacturing key equipment of plant equipment, in order to guarantee the machining precision of part, no matter is before CNC milling machine is dispatched from the factory, and still aborning, CNC milling machine test of geometric precision is all the necessary means that guarantees CNC milling machine machining precision.
The method of inspection that CNC milling machine geometric accuracy adopts conventionally has following several:
1. press the inspection method of accuracy of national Specification:
(1) adopt the verticality of linearity (moving up and down of main spindle box), check z axis and the work top of angle square, indicator check z axis;
(2) adopt leveling ruler, indicator and angle square check cross slide (Y-axis line) to vertically move the linearity of (X-axis line) and mutual verticality with worktable;
(3) adopt leveling ruler and indicator check cross slide (Y-axis line) to vertically move (X-axis line) depth of parallelism in surface level with worktable;
2. in production reality, conventional inspection method of accuracy:
(1) adopt the verticality of square chi and indicator check X-axis line and Y-axis line;
(2) mode that adopts two surveyor's staffs mutually vertically to place is checked the depth of parallelism of X-axis line in surface level, the depth of parallelism of check Y-axis line in surface level;
(3) adopt the verticality of indicator, square chi check z axis and work top, the linearity of check X-axis line, the linearity of check Y-axis line.
3. adopt step gage, laser interferometer check geometric precision of machine tool.
Above three kinds of methods of inspection respectively have feature, adopt leveling ruler, surveyor's staff, angle square, square chi, indicator etc. to test, complicated operation; While adopting step gage to test, the location of step gage axis and X-axis line parallel degree, centering complexity; Adopt laser interferometer testing accuracy high, but cost is high, utilizing emitted light and catoptrical collimation adjustment time are long.
Therefore, in accuracy test, improving checkability is a realistic problem.
Summary of the invention
A kind of comprehensive test method that the object of this invention is to provide CNC milling machine geometric accuracy.Adopt combination measurer to coordinate with indicator, with a set of combination measurer, by locating after centering, can check a plurality of CNC milling machine geometric accuracies, testing accuracy complies with the national standard requirements.
The present invention is achieved by the following technical solutions: a kind of comprehensive test method of CNC milling machine geometric accuracy, it is characterized in that, and the instrument of use comprises: indicator; Combined amount cubing: a high thickness square chi and two orthogonal surveyor's staffs; One of them is vertical equity chi for two orthogonal surveyor's staffs, and another is transverse horizontal chi;
Concrete operation step is as follows:
(1) on CNC milling machine energy self-locking main shaft or main spindle box, indicator is installed;
(2) on platen, place combined amount cubing: high thickness square chi, two orthogonal surveyor's staffs are placed on high thickness square chi;
(3) travelling table, is used indicator centering multiple measurement instrument and checks X-axis line linearity, meanwhile, and the depth of parallelism by vertical equity chi check lathe X-axis line in surface level;
(4) mobile cross slide, the depth of parallelism by transverse horizontal chi check lathe Y-axis line in surface level, meanwhile, by indicator and the linearity of high thickness square chi check Y-axis line and the verticality of Y-axis line and X-axis line;
(5) mobile numerical control milling machine spindle box, checks the linearity of z axis and the verticality of z axis and XY plane by indicator.
The invention has the beneficial effects as follows: with existing detection method comparison, the testing instruments quantity of the present invention's use is few, the instrument centering time is few, and proofer's number of operations is few, checkability is high, simple and easy to do, guarantee that precision of numerical control milling machine is in a higher level, improve the competitiveness of product in market.
Accompanying drawing explanation
Fig. 1 is linearity, the depth of parallelism schematic diagram of X-axis line in surface level of check X-axis line.
Fig. 2 is linearity, the depth of parallelism of Y-axis line in surface level and the verticality schematic diagram of Y-axis line and X-axis line of check Y-axis line.
Fig. 3 is the verticality schematic diagram of linearity, z axis and the XY plane of check z axis.
In figure: 1. cross slide, 2. worktable, 3. high thickness square chi, 4. transverse horizontal chi, 5. vertical equity chi, 6. indicator, 7. main spindle box.
Embodiment
A kind of comprehensive test method of CNC milling machine geometric accuracy.The combination measurer adopting coordinates with indicator, and measurer one-time positioning centering can be checked 7 CNC milling machine geometric accuracies.About indicator, from GB/T17421.1-1998 < < lathe, check general rule part 1: the geometric accuracy > > of lathe is known under zero load or finishing condition, the dial gauge that precision of numerical control milling machine check is used, clock gauge general designation indicator, dial gauge precision is 0.01mm, clock gauge precision is 0.001mm, and its effect is by the size of indicator and the direct index error value of scale.The selection principle of the two is to determine according to machine tool accuracy, and general precision CNC milling machine adopts dial gauge can meet precision measure, and high-precise numerically controlled milling machine adopts clock gauge to measure.
As shown in Figure 1, on CNC milling machine main shaft (energy self-locking) or main spindle box 7, indicator 6 is installed.On platen 2, place special combination measurer, by high thickness square chi 3 and two orthogonal surveyor's staffs being arranged on high thickness square chi 3 upper surfaces, formed, one of them is vertical equity chi 5 for two orthogonal surveyor's staffs, and another is transverse horizontal chi 4.
(1) as shown in Figure 1, combination measurer is placed on respectively to the San Ge position, left, center, right of worktable 2, carry out left and right travelling table 2 operations, use the high thickness square chi 3 of indicator 6 centering, and check X-axis line linearity, meanwhile, by the depth of parallelism of vertical equity chi 5 check lathe X-axis lines in surface level.
(2) as shown in Figure 2, forward and backward mobile cross slide 1, by the depth of parallelism of transverse horizontal chi 4 check lathe Y-axis lines in surface level, meanwhile, can check by indicator 6 and high thickness square chi 3 linearity of Y-axis lines and the verticality of Y-axis line and X-axis line.
(3) as shown in Figure 3, move up and down numerical control milling machine spindle box 7, the linearity by indicator 6 with high thickness square chi 3 check z axis, meanwhile, the verticality of check z axis and XY plane.
Adopt the comprehensive test method of this CNC milling machine geometric accuracy, the high thickness square chi in special combination measurer be custom-designed, other surveying instrument is the combination of conventional instrument.
The present invention, after combination measurer centering, can realize when measuring the linearity of X-axis line, measures the depth of parallelism of X-axis line in surface level simultaneously; While measuring the linearity of Y-axis line, measure the depth of parallelism of Y-axis line in surface level and the verticality of Y-axis line and X-axis line simultaneously; When measuring z axis linearity, measure the verticality of z axis and XY plane simultaneously.
Claims (1)
1. a comprehensive test method for CNC milling machine geometric accuracy, is characterized in that, the instrument of use comprises: indicator (6); Combined amount cubing: a high thickness square chi (3) and two orthogonal surveyor's staffs, one of them is vertical equity chi (5) for two orthogonal surveyor's staffs, another is transverse horizontal chi (4);
Concrete operation step is as follows:
(1) at CNC milling machine energy self-locking main shaft or the upper indicator (6) of installing of main spindle box (7);
(2) in the upper combined amount cubing of placing of platen (2): high thickness square chi (3), two orthogonal surveyor's staffs are placed on high thickness square chi (3);
(3) travelling table (2), is used indicator (6) centering multiple measurement instrument and checks X-axis line linearity, meanwhile, and the depth of parallelism by vertical equity chi (5) check lathe X-axis line in surface level;
(4) mobile cross slide (1), the depth of parallelism by transverse horizontal chi (4) check lathe Y-axis line in surface level, meanwhile, by indicator (6) and the linearity of high thickness square chi (3) check Y-axis line and the verticality of Y-axis line and X-axis line;
(5) mobile numerical control milling machine spindle box (7), by indicator (6) the check linearity of z axis and the verticality of z axis and XY plane.
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| CN201110330581.1A CN102506666B (en) | 2011-10-21 | 2011-10-21 | Comprehensive test method for geometric accuracy of numerically controlled milling machine |
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| CN201110330581.1A CN102506666B (en) | 2011-10-21 | 2011-10-21 | Comprehensive test method for geometric accuracy of numerically controlled milling machine |
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| CN102506666A CN102506666A (en) | 2012-06-20 |
| CN102506666B true CN102506666B (en) | 2014-07-16 |
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| CN104669066B (en) * | 2013-08-16 | 2017-02-22 | 南通大学 | System for monitoring linearity error on five-axis machine tool by utilizing sensing tags |
| CN106950813B (en) * | 2017-04-14 | 2022-06-10 | 威创达钟表配件（深圳）有限公司 | Clock hand grinding equipment |
| CN110006322B (en) * | 2019-04-25 | 2024-01-30 | 中国工程物理研究院机械制造工艺研究所 | Device and method for detecting perpendicularity between two linear axes of machine tool |
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| CN113523901A (en) * | 2021-06-22 | 2021-10-22 | 上海诺倬力机电科技有限公司 | Precision detection method for five-axis machine tool |
| CN113446913B (en) * | 2021-06-28 | 2022-10-14 | 北方夜视技术股份有限公司 | Square core material squareness measuring device and measuring method |
| CN113732528A (en) * | 2021-09-09 | 2021-12-03 | 济南天辰机器集团有限公司 | Tool for assembling chuck of laser pipe cutting machine and chuck assembling method |
| CN114203319B (en) * | 2021-11-11 | 2023-03-21 | 华能核能技术研究院有限公司 | High-temperature gas cooled reactor steam generator throttling assembly mounting interface machining device and method |
| CN114102258B (en) * | 2021-11-18 | 2022-09-13 | 江苏大卫精工科技有限公司 | Machine tool position degree detection method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365419A (en) * | 1979-06-11 | 1982-12-28 | Luis Ingels | Alignment device for machine head |
| CN101758418A (en) * | 2009-12-14 | 2010-06-30 | 济南二机床集团有限公司 | Method for adjusting machining precision of five-axis linkage planer type milling machine |
-
2011
- 2011-10-21 CN CN201110330581.1A patent/CN102506666B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365419A (en) * | 1979-06-11 | 1982-12-28 | Luis Ingels | Alignment device for machine head |
| CN101758418A (en) * | 2009-12-14 | 2010-06-30 | 济南二机床集团有限公司 | Method for adjusting machining precision of five-axis linkage planer type milling machine |
Non-Patent Citations (1)
| Title |
|---|
| 邓三鹏.数控机床结构及维修.《数控机床结构及维修》.2011,228-231. * |
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Address after: 221116 Shanghai Road, Copper Mt. New District, Jiangsu, No. 101, No. Patentee after: Jiangsu Normal University Address before: 221116 Shanghai Road, Copper Mt. New District, Jiangsu, No. 101, No. Patentee before: Xuzhou Normal University |
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Effective date of registration: 20170710 Address after: 221000, Jiangsu, Xuzhou province Jiawang Town Tower Village Patentee after: XUAZHOU HEIBAILONG ENGINEERING NYLON Co.,Ltd. Address before: 221116 Shanghai Road, Copper Mt. New District, Jiangsu, No. 101, No. Patentee before: Jiangsu Normal University |