CN104646764A - Machining method of inclination driving gear box body hole system - Google Patents
Machining method of inclination driving gear box body hole system Download PDFInfo
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- CN104646764A CN104646764A CN201510017676.6A CN201510017676A CN104646764A CN 104646764 A CN104646764 A CN 104646764A CN 201510017676 A CN201510017676 A CN 201510017676A CN 104646764 A CN104646764 A CN 104646764A
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Abstract
The invention discloses a machining method of an inclination driving gear box body hole system. The machining method comprises the following steps of (a) selecting a positioning standard and machining equipment, i.e. taking a bracket surface of a box body as a positioning standard surface, and selecting a horizontal machine tool with an any-rotation angle workbench as a manufacturing machine tool; (b) building a primary workpiece original point bias, i.e. after positioning and clamping the box body on the workbench of the machine tool, measuring a primary box body coordinate system original point, so as to build the primary workpiece original point bias; (c) machining an axial hole in the box body, i.e. machining an input axial hole in the front surface of the box body through the manufacturing machine tool, counterclockwise rotating the workbench around a rotation center by an inclination angle, and moving a machine tool cutter position point for corresponding distance to finish the machining of a downward inclination output shaft of the box body. The machining method has the characteristics that the box body precision can be improved, the rejection rate is reduced, the production benefit is improved, and the production cost is reduced and the like.
Description
Technical field
What the present invention relates to is a kind of machine-tooled method of inclination angle transmission marine gearbox box body hole system, belongs to box parts process for machining technical field.
Background technology
The hole system of marine gear box body is generally parallel axis hole system, the processing of its hole system in assembly normal with support bottom surface or bottom surface for positioning datum, clamped one time completes.But for adapting to the new product that the yacht of running at high speed and speedboat etc. researchs and develops, it exports axis has an angle beta had a down dip at vertical plane and input axis, namely the hole of gear-box tie up in vertical plane formed crossing.Processing for angle transmission-gear box box body hole system does not also have particular study and the blanket method of one.And this type of box parts is as adopted the process of parallel axis system, a set of special tooling with inclination angle need be designed, concerning very uneconomical single-piece, small serial production, and hole system cannot complete fine finishining by clamped one time, need Reference Transforming, this is just difficult to reach drawing positional precision, greatly reduces part qualification rate and working (machining) efficiency.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, and provide one can solve angle transmission-gear box casing intersect hole system processing a difficult problem, casing precision can be improved, reduce scrappage, improve productivity effect, reduce the machine-tooled method of the angle transmission-gear box box body hole system of production cost.
The object of the invention is to have come by following technical solution, the machine-tooled method of described a kind of angle transmission-gear box box body hole system, this machine-tooled method comprises the steps:
A) selected positioning datum and process equipment: with casing one stent cover for positioning reference plane, select the horizontal machine tool with any anglec of rotation workbench as machining tool;
B) set up initial workpiece initial point to be biased: casing locate on platen and after clamping, measures initial casing coordinate origin, thus the initial point setting up initial casing is biased;
C) on casing, axis hole is processed: first process input shaft bore by machining tool in the front of casing, then workbench is rotated counterclockwise the angle at an inclination angle around pivot, and then the processing that corresponding distance can complete casing angle of declination output shaft is moved in machine tool site.
The present invention is preferably: in described step b), casing is located and the initial point be clamped on platen is placed on 0
1point, its coordinate is x
1, z
1, i.e. the absolute coordinate initial point of casing, when processing the output shaft of angle of declination 10 °, workbench is rotated counterclockwise 10 ° around pivot, and now Y-axis does not have the conversion of coordinate mark, only has x, and z-axis participates in rotary table Coordinate Conversion and calculates, and this to be just equivalent on casing 0
4point moves on the circle taking R as radius, after rotating 10 °, on casing 0
4point moves to 0
3the i.e. Working position of beveled aperture, now measures initial casing initial point biased 0
1point and 0
3the X of point, the distance of Y-direction, then cutter location moves the processing that corresponding distance can complete casing angle of declination output shaft.
The present invention shows through three-dimensional metering, and all technical meets drawing requirement, and complete machine test run gears meshing precision is good, product percent of pass >=97%, and economic benefit is very remarkable; Have and can improve casing precision, reduce scrappage, improve productivity effect, reduce the features such as production cost.
Accompanying drawing explanation
Fig. 1 is inclination angle of the present invention gear box body structure schematic diagram.
Fig. 2 is inclination angle of the present invention gear case body contour structures schematic diagram.
Fig. 3 is casing initial loading clamping structure schematic diagram of the present invention.
Fig. 4 is the schematic diagram of beveled aperture of the present invention when being in Working position.
Fig. 5 is O1 and O3 relative dimensions structural representation before and after casing of the present invention rotates 10 degree on the table.
Detailed description of the invention
the present invention will be described in detail below in conjunction with the accompanying drawings and the specific embodiments: shown in Fig. 1,2, angle transmission-gear box casing 1 of the present invention, hole system on it at least comprises one perpendicular to the parallel input shaft bore 2 in antinose-dive leg face, one becomes a tilt angles relative to parallel input shaft bore, the intermediate shaft hole 4 that one parallel with input shaft bore 2 is also had as shown in the output shaft hole 3, figure of 10 degree.
The machine-tooled method of a kind of angle transmission-gear box box body hole system of the present invention, this machine-tooled method comprises the steps:
A) selected positioning datum and process equipment: with a stent cover F of casing 1 for positioning reference plane, select the horizontal machine tool with any anglec of rotation workbench as machining tool;
B) set up initial workpiece initial point to be biased: casing 1 locate on platen and after clamping, measures initial casing coordinate origin, thus the initial point setting up initial casing is biased, as shown in Figure 3;
C) on casing, axis hole is processed: first process input shaft bore 2 by machining tool 5 in the front of casing 1, then workbench is rotated counterclockwise the angle at an inclination angle around pivot, then the processing that corresponding distance can complete casing angle of declination output shaft is moved in machine tool site, as shown in Figure 4.
Shown in Fig. 4,5, the preferred embodiment of the invention is: described step b), and casing 1 is located and the initial point be clamped on platen is placed on 0
1point, its coordinate is x
1, z
1, i.e. the absolute coordinate initial point of casing, when processing the output shaft of angle of declination 10 °, workbench is rotated counterclockwise 10 ° around pivot, and now Y-axis does not have the conversion of coordinate mark, only has x, and z-axis participates in rotary table Coordinate Conversion and calculates, and this to be just equivalent on casing 0
4point moves on the circle taking R as radius, after rotating 10 °, on casing 0
4point moves to 0
3the i.e. Working position of beveled aperture, now measures initial casing initial point biased 0
1point and 0
3the X of point, the distance of Y-direction, then cutter location moves the processing that corresponding distance can complete casing angle of declination output shaft.
embodiment:
For certain model gear housing, see shown in Fig. 3,4, its output shaft and power shaft have the angle of declination of 10 ° in vertical plane, for ensureing gears meshing precision, reduce noise, impact, the processing of crossing axis hole system must be completed by clamped one time, ensure the gradient requirement of the Geometrical Tolerance Principle, particularly 0.03mm between axis.
Concrete technological process is: casing with F to stent cover for location basal plane, F is locating hole to two screws; Select Mazak NEXUS 8800-II for process equipment, setting workbench is when direction as shown in Figure 3, and the initial point of workpiece is placed on 0
1point, its coordinate is (x
1, z
1), i.e. the absolute coordinate initial point of workpiece, when to process have a down dip the output shaft of 10 ° time, workbench is rotated counterclockwise 10 ° around pivot; Y-axis does not have the conversion of coordinate mark, therefore only has x, and z-axis participates in rotary table Coordinate Conversion and calculates; Now just to be equivalent on workpiece 0
4point moves on the circle taking R as radius, after rotating 10 °, on workpiece 0
4point moves to 0
3namely the Working position of beveled aperture is shown in Fig. 4, now sees that Fig. 5 measures initial workpiece initial point biased 0
1point and 0
3the X of point, the distance of Y-direction, then cutter location moves the processing that corresponding distance can complete casing angle of declination output shaft, and can ensure the designing requirement such as gradient, axiality very well.
The present invention first positioning datum elects casing one stent cover as, and axle, to tie up in vertical plane crossing is converted to intersecting in horizontal plane like this.Secondly process equipment choosing has the horizontal Machining centers of any anglec of rotation, like this output axis relatively input axis have a down dip the processing at β angle be converted on horizontal Machining centers with initial workpiece initial point bias plane angle be β inclined-plane on hole characteristic processing problems.
The biased conversion of Workpiece zero point on horizontal Machining centers, namely casing is located on platen, after clamping, measures initial workpiece coordinate origin, and set up initial casing initial point and be biased, namely casing position in lathe coordinate system is determined.When worktable rotary β angle is to beveled aperture Working position, the biased calculating of casing initial point, is biased to the calculating of the new casing working origin on basis exactly with initial casing initial point.The relation of X, new, the old workpiece coordinate system initial point of Z-direction now can be found out by CAD mapping.
Claims (2)
1. a machine-tooled method for angle transmission-gear box box body hole system, is characterized in that this machine-tooled method comprises the steps:
A) selected positioning datum and process equipment: with casing one stent cover for positioning reference plane, select the horizontal machine tool with any anglec of rotation workbench as machining tool;
B) set up initial workpiece initial point to be biased: casing locate on platen and after clamping, measures initial casing coordinate origin, thus the initial point setting up initial casing is biased;
C) on casing, axis hole is processed: first process input shaft bore by machining tool in the front of casing, then workbench is rotated counterclockwise the angle at an inclination angle around pivot, and then the processing that corresponding distance can complete casing angle of declination output shaft is moved in machine tool site.
2. the machine-tooled method of angle transmission-gear box box body hole system according to claim 1, is characterized in that in step b), and casing is located and the initial point be clamped on platen is placed on 0
1point, its coordinate is x
1, z
1, i.e. the absolute coordinate initial point of casing, when processing the output shaft of angle of declination 10 °, workbench is rotated counterclockwise 10 ° around pivot, and now Y-axis does not have the conversion of coordinate mark, only has x, and z-axis participates in rotary table Coordinate Conversion and calculates, and this to be just equivalent on casing 0
4point moves on the circle taking R as radius, after rotating 10 °, on casing 0
4point moves to 0
3the i.e. Working position of beveled aperture, now measures initial casing initial point biased 0
1point and 0
3the X of point, the distance of Y-direction, then cutter location moves the processing that corresponding distance can complete casing angle of declination output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510017676.6A CN104646764A (en) | 2015-01-14 | 2015-01-14 | Machining method of inclination driving gear box body hole system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510017676.6A CN104646764A (en) | 2015-01-14 | 2015-01-14 | Machining method of inclination driving gear box body hole system |
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| CN104646764A true CN104646764A (en) | 2015-05-27 |
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| CN201510017676.6A Pending CN104646764A (en) | 2015-01-14 | 2015-01-14 | Machining method of inclination driving gear box body hole system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750601A (en) * | 2016-04-06 | 2016-07-13 | 中信重工机械股份有限公司 | Machining method for improving form and position precision of large gearbox body device |
| CN105921777A (en) * | 2016-06-28 | 2016-09-07 | 上海锅炉厂有限公司 | Eccentric hole machining method |
| CN108620615A (en) * | 2018-04-09 | 2018-10-09 | 中国船舶重工集团公司第七0三研究所 | A kind of small angle of cut gear case body Boring device and its application method |
| CN108788208A (en) * | 2018-06-19 | 2018-11-13 | 杭州前进齿轮箱集团股份有限公司 | A kind of method for boring hole for processing angle of cut box body hole system |
| CN109108587A (en) * | 2018-10-31 | 2019-01-01 | 青岛淄柴博洋柴油机股份有限公司 | A kind of cutting chamber frame spindle hole processing technology |
-
2015
- 2015-01-14 CN CN201510017676.6A patent/CN104646764A/en active Pending
Non-Patent Citations (3)
| Title |
|---|
| 丁来军: "《如何在数控机床上加工斜孔》", 《机械制造》 * |
| 张强: "《常见类型空间斜孔加工方法的研究》", 《汽车工艺与材料》 * |
| 张锡禄: "《斜孔镗孔工艺》", 《组合机床与自动化加工技术》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750601A (en) * | 2016-04-06 | 2016-07-13 | 中信重工机械股份有限公司 | Machining method for improving form and position precision of large gearbox body device |
| CN105921777A (en) * | 2016-06-28 | 2016-09-07 | 上海锅炉厂有限公司 | Eccentric hole machining method |
| CN108620615A (en) * | 2018-04-09 | 2018-10-09 | 中国船舶重工集团公司第七0三研究所 | A kind of small angle of cut gear case body Boring device and its application method |
| CN108788208A (en) * | 2018-06-19 | 2018-11-13 | 杭州前进齿轮箱集团股份有限公司 | A kind of method for boring hole for processing angle of cut box body hole system |
| CN109108587A (en) * | 2018-10-31 | 2019-01-01 | 青岛淄柴博洋柴油机股份有限公司 | A kind of cutting chamber frame spindle hole processing technology |
| CN109108587B (en) * | 2018-10-31 | 2020-08-11 | 青岛淄柴博洋柴油机股份有限公司 | Machining process for main shaft hole of cutting chamber frame |
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Application publication date: 20150527 |