CN101036948A - Finish machining method of the frame of the rotating table - Google Patents
Finish machining method of the frame of the rotating table Download PDFInfo
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- CN101036948A CN101036948A CN 200710098920 CN200710098920A CN101036948A CN 101036948 A CN101036948 A CN 101036948A CN 200710098920 CN200710098920 CN 200710098920 CN 200710098920 A CN200710098920 A CN 200710098920A CN 101036948 A CN101036948 A CN 101036948A
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Abstract
A fine machining method of the rolling stand frame belongs to machine finishing technology field. At first determining center of turning circle position of the fine boring machine table and mounting end face multiple tooth circular dividing table thereon, the tetrahedron is mounted on the end face multiple tooth circular dividing table, and adjusting it to collimate with the photoelectricity autocollimation to determine machineable machine zero position point; the rolling stand frame is mounted on the worktable, and adjusting it to symmetry with the center of gyration; boring the frame side face of each axle hole for the rolling stand frame and the axle hole until achieving to the required precise size, when the frame rotates from one side to another side, rotating relevant angle of the worktable contrasting to graduation value of the end face multiple tooth circular dividing table, the tetrahedron is measured by the photoelectricity autocollimation, fine tuning the worktable to collimate the corresponding face of the tetrahedron with the sending beam of the photoelectricity autocollimation, at this point, the rotating angle is exact value, then processing. The invention operates conveniently and audio-visually, with reliable processing manufacturability, and reducing accumulation of error and improving process precision of the frame.
Description
Technical field
The invention belongs to the machine finishing technical field.
Background technology
Turntable is an equipment of demarcating, test and check inertia device, and its required precision is high especially.The turntable stage body mainly is made up of pedestal, framework, axle system.Framework is the vitals of turntable, and its precision has determined the precision of turntable stage body to a great extent.The turntable framework has that size is big, complex structure, symmetry is strict, rigidity is big, intensity is high, in light weight, design accuracy requires characteristics such as height, good stability.Therefore the production and processing of turntable framework is mainly finished by operations such as hot investment casting, heat treatment, scraping, machined, stability processing, Precision Machining.Its process characteristic is big, the assembly precision requirement height of machining accuracy height, difficulty of processing.In order to reach technical requirement on design, the Precision Machining of framework all adopts fine boring machine to process.Dual mode is mainly adopted in FRAME COMPONENTS fine finishining at present: a kind of mode is to adopt the accurate horizontal jig borer processing of high accuracy framework, the accuracy guarantee of the main seat mark of the precision of framework boring machine.But because the domestic producer that has an accurate horizontal jig borer of high accuracy is few, the framework of turntable stage body belongs to single-piece production again, and processing conditions, framework clamping, processing technology and processing monitoring all there is specific (special) requirements, the technological requirement of more difficult implementation framework processing and monitoring requirement, and cause the framework processing cycle long, can not guarantee the requirement of assembly period of turntable stage body.The method processing framework that another kind of mode adopts fine boring machine to combine with measurer.The method can reduce the framework processing cost, guarantee the technological requirement and the processing monitoring requirement of framework processing, but in the framework process, the per pass operation must be proofreaied and correct measurer, with the precision of assurance machining benchmark, thereby cause the framework processing cycle long, complex operation, owing to can cause various error accumulations in the trimming process, reduced the machining accuracy of framework simultaneously.The method can't satisfy high-precision framework processing request.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcomes the deficiencies in the prior art part, provides a kind of on fine boring machine, just can the realization that the turntable framework is carried out the high accuracy method for processing, and simple to operate, the accuracy height; The present invention also provides a kind of simultaneously can overcome the turntable method of fixing such frame that traditional clamping method generation stress deformation causes the morpheme error.
The technical solution of method of the present invention is: turntable framework method for fine finishing may further comprise the steps:
(1) determines fine boring machine work table rotation center, install the end face multiteeth indexing table in work table rotation in the heart, tetrahedron is installed on the end face multiteeth indexing table, adjust and fixing tetrahedron, allow one of them face and photoelectric auto-collimator collimate, the scale division value of record end face multiteeth indexing table is as the mechanical zero point of processing;
(2) the turntable framework is installed on the fine boring machine workbench, adjusts the centre of gyration symmetry of turntable framework and fine boring machine workbench;
(3) frame facet at right boring turntable framework primary importance axis hole place is until reaching desired accurate dimension, contrast 90 ° of the scale division value rotary work-tables of end face multiteeth indexing table then, or 180 °, or 270 °, measure tetrahedron with photoelectric auto-collimator, the fine setting workbench makes the emergent ray collimation of tetrahedral respective face and photoelectric auto-collimator, the angle that rotate this moment is exact value, the frame facet at right boring turntable framework second place axis hole place, use the accurate rotary work-table of above-mentioned same method again, the frame facet at other axis hole place, two positions of right boring turntable framework is guaranteed the centre of gyration symmetry of all sides and fine boring machine workbench;
(4) require right boring turntable framework primary importance axis hole according to aperture size and depth size, contrast 90 ° or 180 ° or 270 ° of the scale division value rotary work-tables of end face multiteeth indexing table then, measure tetrahedron with photoelectric auto-collimator, the fine setting workbench makes the emergent ray collimation of tetrahedral respective face and photoelectric auto-collimator, the angle that rotate this moment is exact value, right boring turntable framework second place axis hole, use the accurate rotary work-table of above-mentioned same method again, the axis hole of other two positions of right boring turntable framework.
The present invention's beneficial effect compared with prior art is:
(1) in rotary work-table, use the end face multiteeth indexing table tentatively to determine corner, again with photoelectric auto-collimator and tetrahedron collimation, thereby the angle of accurately determining the workbench rotation is 90 ° a integral multiple, the angle that this method is determined has advantage of high precision, thereby guarantee to realize the fine finishining of turntable framework, avoided using measurer to proofread and correct the troublesome operation of machining benchmark, reduced error accumulation.
(2) utilize rad level end face multiteeth indexing table and rad level photoelectric auto-collimator monitoring fine boring machine workbench corner accuracy, can control corner accuracy 1 " in; easy to operate directly perceived; reliable and stable; as to have improved the precision of machining benchmark; as to have improved the yield rate of turntable framework processing, guaranteed that the angle position precision of turntable framework reaches micron order.
(3) adopt technique for sticking that turntable framework, frock are mounted and fixed on the fine boring machine workbench, avoided the stress deformation of traditional clamping method to cause processed turntable frame aperture to produce the morpheme error, guarantee the stability of turntable frame structure, improved turntable framework machining accuracy and uniformity.
Description of drawings
Fig. 1 is a work structuring schematic top plan view of the present invention;
Fig. 2 is that work structuring master of the present invention looks schematic diagram.
The specific embodiment
Outter frame shelf, center framework and inside casing framework are arranged on the turntable, wherein the center framework has 4 axis holes to need processing, the axle center of two relative axis holes must be strict controlled on same the axis, two adjacent axis holes are wanted 90 ° of angles of strict one-tenth, each axis hole is connected in proper order by different hole, a plurality of apertures and is constituted, and is difficulty of processing maximum in all frameworks of turntable.Below be that example comes the turntable framework processing specific embodiment is described just with the processing mode of turntable center framework.
As shown in Figure 1 and Figure 2, at first, the mode by scraping makes datum level 11 flatnesses of turntable center framework 1 be not more than 0.003mm.Research four parallels 10, make it highly equal, guarantee that its difference in height is in 0.01mm.Datum level 11 with turntable center framework 1 is a reference for installation, and four parallels 10 and turntable center framework 1 are combined into one, and it is bonding to coat 502 glue in the side of binding site.
Installation and measuring frock on fine boring machine workbench 2 is determined the centre of gyration of fine boring machine workbench 2 by detecting frock and amesdial, and its site error is not more than 0.005mm." end face multiteeth indexing table 7 is placed in the centre of gyration of fine boring machine workbench 2, determines that with amesdial its circular runout is not more than 0.05mm, and " end face multiteeth indexing table 7 is on fine boring machine workbench 2 to fix 0.1 then with 0.1.On 0.5 " tetrahedron 8 is placed in 0.1 " end face multiteeth indexing table 7,0.1 " photoelectric auto-collimator 9 is placed on a side of fine boring machine; with 0.1 " photoelectric auto-collimator 9 calibrations 0.5 " tetrahedron 8; make the emergent ray collimation of 0.5 " respective face of tetrahedron 8 and 0.1 " photoelectric auto-collimator 9, and fix on 0.5 " tetrahedron 8 is in 0.1 " end face multiteeth indexing table 7.This moment 0.1, " scale division value of end face multiteeth indexing table was 18 °, notes this numerical value, is the zero-bit point of fine boring machine workbench 2 processing with this numerical value.
The convered structure of turntable center framework 1 with parallels 10 is installed on the fine boring machine workbench 2, the frame facet at axis hole 3 places is aimed at boring machine cutter head and vertical with the cutter head direction, adjust center framework and fine boring machine workbench 2 center symmetries, four limits that are the center framework become axial symmetry with the XY coordinate that with the workbench center is at 0, error is not more than 0.02mm, and it is bonding to coat 502 glue in the side of the binding site of cohesive body and fine boring machine workbench 2.
At first, the frame facet at axis hole 3 places of right boring center framework 1, clockwise rotate 180 ° of workbench then, to 0.1 " scale division value of end face multiteeth indexing table is approximate to be in 198 ° and to locate; with 0.1 " photoelectric auto-collimator 9 measures 0.5 " tetrahedron 8; fine setting workbench 2 makes the emergent ray collimation of 0.5 " respective face of tetrahedron 8 and 0.1 " photoelectric auto-collimator 9; angle of rotation accurately equals 180 ° at this moment; the frame facet at axis hole 5 places of right boring center framework 1 again, guarantees that its length dimension is 730 ± 0.5mm; Again according to same method, 90 °, 180 ° of clockwise accurate respectively rotary work-tables, the axis hole 4 of right boring center framework 1 and the frame facet at axis hole 6 places guarantee that its length dimension is 770 ± 0.5mm, and with the centre of gyration symmetry of fine boring machine workbench 2, error is not more than 0.05mm.
Axis hole 4 and axis hole 6 are that three holes of φ 212H7, φ 176, φ 140H4 are formed in proper order by coaxial aperture, the φ 212H7 and the end face thereof of right boring axis hole 6, hole depth is 335 ± 0.1mm apart from framework 1 center, the φ 176 and the end face thereof of right boring axis hole 6, hole depth is 307mm apart from framework 1 center, the φ 140H4 and the end face thereof of right boring axis hole 6; Clockwise rotate 180 ° of workbench then, " scale division value of end face multiteeth indexing table is approximate to be in 108 ° and to locate; with 0.1 " photoelectric auto-collimator 9 measures 0.5 " tetrahedron 8; fine setting workbench 2 makes the emergent ray collimation of 0.5 " respective face of tetrahedron 8 and 0.1 " photoelectric auto-collimator 9; angle of rotation accurately equals 180 ° at this moment; the φ 212H7 and the end face thereof of right boring axis hole 4; hole depth is 335 ± 0.1mm apart from framework 1 center to 0.1, the φ 176 and the end face thereof of right boring axis hole 4, hole depth is 307mm apart from framework 1 center, the φ 140H4 and the end face thereof of right boring axis hole 4.
Axis hole 3 and axis hole 5 are that two holes of φ 129, φ 80H4 are formed in proper order by coaxial aperture, accurately clockwise rotate 90 ° of workbench at first according to the method described above, the φ 129 of right boring axis hole 3, hole depth is 350 ± 0.1mm apart from framework 1 center, the φ 80H4 of right boring axis hole 3; And then accurately clockwise rotate 180 ° of workbench according to the method described above, and the φ 129 of right boring axis hole 5, hole depth is 350 ± 0.1mm apart from framework 1 center, the φ 80H4 of right boring axis hole 5.Promptly finish the fine finishining of center framework.
Claims (8)
1. turntable framework method for fine finishing is characterized in that may further comprise the steps:
(1) determines fine boring machine workbench (2) centre of gyration position, end face multiteeth indexing table (7) is installed on workbench (2) centre of gyration, tetrahedron (8) is installed on the end face multiteeth indexing table (7), adjust and fixing tetrahedron (8), make one face and photoelectric auto-collimator (9) collimation, the scale division value of record end face multiteeth indexing table (7) is as the mechanical zero point of processing;
(2) turntable framework to be processed (1) is installed on the fine boring machine workbench (2), adjusts the centre of gyration symmetry of turntable framework (1) and fine boring machine workbench (2);
(3) frame facet at right boring turntable framework (1) primary importance axis hole place is until reaching desired accurate dimension, contrast (2) 90 ° of the scale division value rotary work-tables of end face multiteeth indexing table (7) then, or 180 °, or 270 °, measure tetrahedron (8) with photoelectric auto-collimator (9), fine setting workbench (2) makes the respective face of tetrahedron (8) and the emergent ray collimation of photoelectric auto-collimator (9), the angle that rotate this moment is exact value, the frame facet at right boring turntable framework (1) second place axis hole place, use the accurate rotary work-table of above-mentioned same method (2) again, the frame facet at other axis hole place, two positions of right boring turntable framework (1) is guaranteed the centre of gyration symmetry of all sides and fine boring machine workbench (2);
(4) according to desired aperture size and depth size right boring turntable framework (1) primary importance axis hole, contrast 90 ° of the scale division value rotary work-tables of end face multiteeth indexing table (7) then, or 180 °, or 270 °, measure tetrahedron (8) with photoelectric auto-collimator (9), fine setting workbench (2) makes the respective face of tetrahedron (8) and the emergent ray collimation of photoelectric auto-collimator (9), the angle that rotate this moment is exact value, right boring turntable framework (1) second place axis hole, use the accurate rotary work-table of above-mentioned same method (2) again, the axis hole of other two positions of right boring turntable framework (1).
2. turntable framework method for fine finishing according to claim 1 is characterized in that: determine fine boring machine work table rotation center in the described step (1), determine fine boring machine work table rotation center by detecting frock and amesdial.
3. turntable framework method for fine finishing according to claim 1 is characterized in that: the end face multiteeth indexing table in the described step (1) uses 0.1 " end face multiteeth indexing table.
4. turntable framework method for fine finishing according to claim 1 is characterized in that: the tetrahedron in the described step (1) uses 0.5 " tetrahedron.
5. turntable framework method for fine finishing according to claim 1 is characterized in that: the photoelectric auto-collimator in the described step (1) uses 0.1 " photoelectric auto-collimator.
6. turntable framework method for fine finishing according to claim 1, it is characterized in that: described step (2) intermediate station framework is installed on the fine boring machine workbench, by earlier the turntable framework being installed on the contour parallels, the combination with turntable framework and contour parallels is installed on the fine boring machine workbench again.
7. turntable framework method for fine finishing according to claim 6 is characterized in that: the difference in height between the described contour parallels is in 0.01mm.
8. turntable framework method for fine finishing according to claim 6, it is characterized in that: describedly the turntable framework is installed on the contour parallels and the combination of turntable framework and contour parallels is installed on the fine boring machine workbench, by bonding with glue in the side that binding site is installed.
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| CNB2007100989201A CN100509226C (en) | 2007-04-29 | 2007-04-29 | Finish machining method of the frame of the rotating table |
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| CNB2007100989201A CN100509226C (en) | 2007-04-29 | 2007-04-29 | Finish machining method of the frame of the rotating table |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733436B (en) * | 2009-11-30 | 2011-05-25 | 金军勇 | Machining equipment for three-hole steel column of burglar alarm accessories in supermarket |
| CN108213993A (en) * | 2018-03-30 | 2018-06-29 | 科德数控股份有限公司 | A kind of horizontal Five-axis NC Machining Center milling vehicle working bench |
| CN109909914A (en) * | 2019-04-08 | 2019-06-21 | 河南大张过滤设备有限公司 | A kind of inside and outside frame positioning clamping device |
| CN109967778A (en) * | 2017-12-28 | 2019-07-05 | 北京理工大学 | A kind of processing unit (plant) and processing method of rotating frame |
| CN112427969A (en) * | 2020-10-28 | 2021-03-02 | 九江精密测试技术研究所 | Method for processing axial positioning surface of turntable frame |
| CN113263312A (en) * | 2021-07-16 | 2021-08-17 | 成都飞机工业（集团）有限责任公司 | Airplane frame positioning structure based on tolerance distribution and process method |
| CN113399721A (en) * | 2021-07-01 | 2021-09-17 | 中国航发贵州黎阳航空动力有限公司 | Method for milling squirrel cage window |
| CN114152457A (en) * | 2021-11-08 | 2022-03-08 | 中国电子科技集团公司第十一研究所 | Method for improving monitoring capability of precision servo turntable and precision servo turntable |
| CN114799746A (en) * | 2022-04-11 | 2022-07-29 | 中国电子科技集团公司第三十八研究所 | Shafting machining method and assembly method of large-span radar rotary table |
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2007
- 2007-04-29 CN CNB2007100989201A patent/CN100509226C/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733436B (en) * | 2009-11-30 | 2011-05-25 | 金军勇 | Machining equipment for three-hole steel column of burglar alarm accessories in supermarket |
| CN109967778A (en) * | 2017-12-28 | 2019-07-05 | 北京理工大学 | A kind of processing unit (plant) and processing method of rotating frame |
| CN108213993A (en) * | 2018-03-30 | 2018-06-29 | 科德数控股份有限公司 | A kind of horizontal Five-axis NC Machining Center milling vehicle working bench |
| CN109909914A (en) * | 2019-04-08 | 2019-06-21 | 河南大张过滤设备有限公司 | A kind of inside and outside frame positioning clamping device |
| CN112427969A (en) * | 2020-10-28 | 2021-03-02 | 九江精密测试技术研究所 | Method for processing axial positioning surface of turntable frame |
| CN113399721A (en) * | 2021-07-01 | 2021-09-17 | 中国航发贵州黎阳航空动力有限公司 | Method for milling squirrel cage window |
| CN113399721B (en) * | 2021-07-01 | 2022-06-03 | 中国航发贵州黎阳航空动力有限公司 | Method for milling squirrel cage window |
| CN113263312A (en) * | 2021-07-16 | 2021-08-17 | 成都飞机工业（集团）有限责任公司 | Airplane frame positioning structure based on tolerance distribution and process method |
| CN113263312B (en) * | 2021-07-16 | 2021-10-08 | 成都飞机工业（集团）有限责任公司 | Airplane frame positioning structure based on tolerance distribution and process method |
| CN114152457A (en) * | 2021-11-08 | 2022-03-08 | 中国电子科技集团公司第十一研究所 | Method for improving monitoring capability of precision servo turntable and precision servo turntable |
| CN114152457B (en) * | 2021-11-08 | 2024-04-19 | 中国电子科技集团公司第十一研究所 | Method for improving monitoring capability of precise servo turntable and precise servo turntable |
| CN114799746A (en) * | 2022-04-11 | 2022-07-29 | 中国电子科技集团公司第三十八研究所 | Shafting machining method and assembly method of large-span radar rotary table |
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| CN100509226C (en) | 2009-07-08 |
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Application publication date: 20070919 Assignee: Beijing Xinghua Machinery Factory Assignor: China Aerospace Times Electronics Corporation The 13th Institute Contract record no.: 2012110000148 Denomination of invention: Finish machining method of the frame of the rotating table Granted publication date: 20090708 License type: Exclusive License Record date: 20120824 |