CN105302064A - Stroke milling method of double-surface twisted web - Google Patents
Stroke milling method of double-surface twisted web Download PDFInfo
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- CN105302064A CN105302064A CN201510850607.3A CN201510850607A CN105302064A CN 105302064 A CN105302064 A CN 105302064A CN 201510850607 A CN201510850607 A CN 201510850607A CN 105302064 A CN105302064 A CN 105302064A
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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
- G05B19/19—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 positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
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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
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35042—Add finishing allowances to a cutter path
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- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Treatment Of Fiber Materials (AREA)
- Milling Processes (AREA)
Abstract
The invention relates to a stroke milling method of a double-surface twisted web. Through curvature calculation, cutter selection, recessed surface area and convex surface area selection, rough stroke milling and fine stroke milling, high-efficiency stroke milling of a double-surface twisted web is achieved. The surface roughness of a machined part can be improved, the machining efficiency is high, cutter losses are small, auxiliary costs are low, and the application range is wide.
Description
Technical field
The present invention relates to a kind of row blanking method, particularly a kind of row blanking method of two-sided distortion web, belongs to digital control processing field.
Background technology
The present invention relates to a kind of row blanking method of distortion web, particularly relate to a kind of row blanking method of two-sided distortion web.In Field of Aviation Manufacturing, most of part is all carry out Method of Spreading Design along some fixing curved surface, cause the curved surface its structure shape presented in various degree, objectively add precision and the difficulty of part manufacture, comparatively common based on web surface distortion, what wherein difficulty of processing was larger belongs to two-sided distortion web, the web structure process-cycle of this kind of two-sided distortion is long, major part surface to be machined all needs row butt formula, surfaceness not easily ensures, classic method is all use that ball-end mill is capable cuts, cutter consumption is large, uneconomical in manufacturing cost.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of row blanking method of distortion web, not only improves row and cuts efficiency, and solve the problem that cutter is confined to ball head knife by row blanking method.
For overcoming the above problems, concrete technical scheme of the present invention is as follows: a kind of row blanking method of two-sided distortion web, comprises the steps:
1) curvature of distortion web is calculated according to the structure analysis of two-sided distortion web;
2) combine the curvature values calculated, setting needs the specification size selecting cutter, i.e. tool diameter scope;
3) on the basis of completing steps (2), determine R numerical value at the bottom of cutter, R at the bottom of selection cutter and the ratio of tool diameter are within 1/3 ~ 1/2 scope usually;
4) processed two-sided distortion web is marked off length breadth ratio not wait convex region and concave region, length breadth ratio not grade and length is not less than 1 with the ratio of width;
5) thick row cuts two-sided distortion web, and web surface leaves 0.50m ~ 1.0mn surplus:
5.1) thick row cuts front distortion web, male and female face web machining locus setting principle is: row butt formula: Z-zig, row cuts step pitch: 1.0mm, convex surface row cutting path: cutter path all the time along convex region Width, concave surface row cutting path: cutter path all the time along concave region length direction;
5.2) thick row cuts reverse side distortion web, male and female face web machining locus setting principle is: row butt formula: Z-zig, row cuts step pitch: 1.0m, convex surface row cutting path: cutter path all the time along convex region Width, concave surface row cutting path: cutter path all the time along concave region length direction;
6) essence row cuts two-sided distortion web, and all web surfaces directly row switch to part final size:
6.1) essence row cuts front distortion web, male and female face web machining locus setting principle is: row butt formula: Z-zig, row cuts step pitch: 0.20 ~ 0.30mm, convex surface row cutting path: cutter path all the time along convex region Width, concave surface row cutting path: cutter path all the time along concave region length direction;
6.2) essence row cuts reverse side distortion web, male and female face web machining locus setting principle is: row butt formula: Z-zig, row cut step pitch: 0.20 ~ 0.30m, convex surface row cutting path: cutter path all the time along convex region Width concave surface row cutting path: cutter path all the time along concave region length direction;
7) two-sided distortion web line cutting processing terminates.
Preferably, in described step 6), essence row cuts through R at the bottom of cutter in journey and contacts with surface to be machined, and cutter axis orientation overlaps with the normal direction of processed curved surface.
The beneficial effect that the present invention brings is: the efficient row realizing two-sided distortion web is cut, and not only can improve part to be processed surfaceness, working (machining) efficiency is high, and cutter loss is little, and supplementary costs is low, applied widely.
Accompanying drawing explanation
The two-sided distortion schematic diagram of Fig. 1.
Fig. 2 distortion web A-A sectional view.
Fig. 3 cutter is capable cuts step pitch schematic diagram.
Fig. 4 is Zig-Zag capable butt formula schematic diagram.
Fig. 5 concave region row cutting path schematic diagram.
Fig. 6 convex region row cutting path schematic diagram.
Wherein, the two-sided distortion web of 1-, 2-concave region, 3-convex region, 4-cutter, 5-is capable cuts remnants, 6-tool axis, and 7-is capable cuts step pitch.
Embodiment
As shown in Figures 1 to 6, a kind of row blanking method of two-sided distortion web 1, is characterized in that following steps:
1) curvature of distortion web is calculated according to the structure analysis of two-sided distortion web 1;
2) combine the curvature values calculated, setting needs the specification size selecting cutter 4, i.e. cutter 4 diameter range;
3) on the basis of completing steps (2), determine cutter 4 end R numerical value, usually select cutter 4 end R and cutter 4 diameter ratio within 1/3 ~ 1/2 scope;
4) processed two-sided distortion web 1 is marked off length breadth ratio not wait convex region 3 and concave region 2, length breadth ratio not grade and length is not less than 1 with the ratio of width;
5) thick row cuts two-sided distortion web 1, and web surface leaves 0.50m ~ 1.0mn surplus, and there is row between two row cutting paths and cut remnants, residual volume is 0.3mm-0.5mm:
5.1) thick row cuts front distortion web, male and female face web machining locus setting principle is: row butt formula: Z-zig, row cuts step pitch: 1.0mm, convex surface row cutting path: cutter 4 track all the time along convex region 3 Width, concave surface row cutting path: cutter 4 track all the time along concave region 2 length direction;
5.2) thick row cuts reverse side distortion web, male and female face web machining locus setting principle is: row butt formula: Z-zig, row cuts step pitch: 1.0m, convex surface row cutting path: cutter 4 track all the time along convex region 3 Width, concave surface row cutting path: cutter 4 track all the time along concave region 2 length direction;
6) essence row cuts two-sided distortion web 1, and all web surfaces directly row switch to part final size:
6.1) essence row cuts front distortion web, male and female face web machining locus setting principle is: row butt formula: Z-zig, row cuts step pitch: 0.20 ~ 0.30mm, convex surface row cutting path: cutter 4 track all the time along convex region 3 Width, concave surface row cutting path: cutter 4 track all the time along concave region 2 length direction;
6.2) essence row cuts reverse side distortion web, male and female face web machining locus setting principle is: row butt formula: Z-zig, row cut step pitch: 0.20 ~ 0.30m, convex surface row cutting path: cutter 4 track all the time along convex region 3 Width concave surface row cutting path: cutter 4 track all the time along concave region 2 length direction;
7) two-sided distortion web 1 line cutting processing terminates.
Preferably, in described step 6), essence row cuts through cutter 4 end R in journey and contact with surface to be machined, and tool axis 6 direction overlaps with the normal direction of processed curved surface, and between two row cutting paths, existence is capable cuts remnants, and residual volume is 0.0mm-0.05mm.
The efficient row that one's own profession blanking method realizes two-sided distortion web 1 is cut, and not only can improve part to be processed surfaceness, working (machining) efficiency is high, and cutter loss is little, and supplementary costs is low, applied widely.
Above-described is only the preferred embodiments of the present invention.It should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, some modification and improvement can also be made, also should be considered as belonging to protection scope of the present invention.
Claims (2)
1. a row blanking method for two-sided distortion web, is characterized in that following steps:
1) curvature of distortion web is calculated according to the structure analysis of two-sided distortion web;
2) combine the curvature values calculated, setting needs the specification size selecting cutter, i.e. tool diameter scope;
3) on the basis of completing steps (2), determine R numerical value at the bottom of cutter, R at the bottom of selection cutter and the ratio of tool diameter are within 1/3 ~ 1/2 scope usually;
4) processed two-sided distortion web is marked off length breadth ratio not wait convex region and concave region, length breadth ratio not grade and length is not less than 1 with the ratio of width;
5) thick row cuts two-sided distortion web, and web surface leaves 0.50m ~ 1.0mn surplus:
5.1) thick row cuts front distortion web, male and female face web machining locus setting principle is: row butt formula: Z-zig, row cuts step pitch: 1.0mm, convex surface row cutting path: cutter path all the time along convex region Width, concave surface row cutting path: cutter path all the time along concave region length direction;
5.2) thick row cuts reverse side distortion web, male and female face web machining locus setting principle is: row butt formula: Z-zig, row cuts step pitch: 1.0m, convex surface row cutting path: cutter path all the time along convex region Width, concave surface row cutting path: cutter path all the time along concave region length direction;
6) essence row cuts two-sided distortion web, and all web surfaces directly row switch to part final size:
6.1) essence row cuts front distortion web, male and female face web machining locus setting principle is: row butt formula: Z-zig, row cuts step pitch: 0.20 ~ 0.30mm, convex surface row cutting path: cutter path all the time along convex region Width, concave surface row cutting path: cutter path all the time along concave region length direction;
6.2) essence row cuts reverse side distortion web, male and female face web machining locus setting principle is: row butt formula: Z-zig, row cut step pitch: 0.20 ~ 0.30m, convex surface row cutting path: cutter path all the time along convex region Width concave surface row cutting path: cutter path all the time along concave region length direction;
7) two-sided distortion web line cutting processing terminates.
2. the row blanking method of two-sided distortion web as claimed in claim 1, is characterized in that: in described step 6), essence row cuts through R at the bottom of cutter in journey and contacts with surface to be machined, and cutter axis orientation overlaps with the normal direction of processed curved surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510850607.3A CN105302064B (en) | 2015-11-30 | 2015-11-30 | A kind of row blanking method of two-sided distortion web |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510850607.3A CN105302064B (en) | 2015-11-30 | 2015-11-30 | A kind of row blanking method of two-sided distortion web |
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| CN105302064A true CN105302064A (en) | 2016-02-03 |
| CN105302064B CN105302064B (en) | 2018-01-16 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102266973A (en) * | 2011-07-20 | 2011-12-07 | 沈阳飞机工业（集团）有限公司 | Machining method for milling two curved surfaces of tapered honeycomb variable-thickness structural part |
| CN102581360A (en) * | 2012-03-22 | 2012-07-18 | 沈阳飞机工业（集团）有限公司 | Method for processing complex curved surface by numerical control processing progressive interpolation |
| US20150027786A1 (en) * | 2010-04-23 | 2015-01-29 | Schlumberger Technology Corporation | Tracking shearing cutters on a fixed bladed drill bit with pointed cutting elements |
| JP2015188942A (en) * | 2014-03-27 | 2015-11-02 | 三菱マテリアル株式会社 | Broach |
-
2015
- 2015-11-30 CN CN201510850607.3A patent/CN105302064B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150027786A1 (en) * | 2010-04-23 | 2015-01-29 | Schlumberger Technology Corporation | Tracking shearing cutters on a fixed bladed drill bit with pointed cutting elements |
| CN102266973A (en) * | 2011-07-20 | 2011-12-07 | 沈阳飞机工业（集团）有限公司 | Machining method for milling two curved surfaces of tapered honeycomb variable-thickness structural part |
| CN102581360A (en) * | 2012-03-22 | 2012-07-18 | 沈阳飞机工业（集团）有限公司 | Method for processing complex curved surface by numerical control processing progressive interpolation |
| JP2015188942A (en) * | 2014-03-27 | 2015-11-02 | 三菱マテリアル株式会社 | Broach |
Non-Patent Citations (2)
| Title |
|---|
| 姬俊锋: "复杂整体叶轮数控加工关键技术研究", 《中国博士学位论文全文数据库 工程科技Ⅰ辑》 * |
| 戴斌华: "超薄零件数控高速切削工艺的应用研究", 《中国优秀博硕士学位论文全文数据库（硕士） 工程科技Ⅰ辑》 * |
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