CN102069226B - High-speed milling wallboard part corner processing method - Google Patents
High-speed milling wallboard part corner processing method Download PDFInfo
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- CN102069226B CN102069226B CN2011100598914A CN201110059891A CN102069226B CN 102069226 B CN102069226 B CN 102069226B CN 2011100598914 A CN2011100598914 A CN 2011100598914A CN 201110059891 A CN201110059891 A CN 201110059891A CN 102069226 B CN102069226 B CN 102069226B
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Abstract
The invention relates to a high-speed milling wallboard part corner processing method, which comprises the following steps that: 1) the corner R of a wallboard type part is designed to be less than or equal to 6; 2) preparation work for rough milling a wallboard type part groove cavity is completed; 3) a milling cutter corresponding to the radius of the corner of the groove cavity is selected to finely milling the corner, a point of tangency of a cutter used for finely milling an inner shape at the corner is taken as a benchmark, the position which is 3-5mm away from the point of tangency is the entry point of a corner fine milling cutter, and the entry point is about 1degree to 3 degrees; and 4) the milling cutter for finely milling the inner shape is utilized to greatly cut and deeply and finely mill the inner shape. The method not only improves the surface precision of processed parts, but also saves processing time and improves the working efficiency.
Description
Technical field
The present invention relates to a kind of High Speed Milling Operation processing wallboard class part corner processing method, belong to field of machining.
Background technology
Certain type aircraft target ship part material specification is δ 45 * 3800 * 1200 at present, and material trademark is 2D70 T351.This part vallecular cavity is more, is about 13 emissions grooves, and every row is about 12-14 vallecular cavities, amounts to 200 vallecular cavities approximately.Former technological process is: rough mill shape in profile-rough mill interior shape-finish-milling rib height-finish-milling web-finish-milling-finish-milling corner-finish-milling profile; The main technique of processing corner is to use milling cutter to be shape in one deck finish-milling part with 3mm; Carry out finish-milling part corner with milling cutter then; This corner processing technology not only exists Part Surface Roughness general, and possibly also there is recessed cutter phenomenon in the part, even the easily broken phenomenon of cutter occurs.
Summary of the invention
The technical problem that the present invention will solve provides a kind of High Speed Milling Operation processing wallboard class part corner processing method, and this method has not only improved the surface accuracy of processing parts, and has saved process time, has improved operating efficiency.
For overcoming the above problems, concrete technical scheme of the present invention is following: a kind of High Speed Milling Operation processing wallboard class part corner processing method is characterized in that following steps:
1) corner R≤6mm of wallboard class Element Design;
2) accomplish the preparation that wallboard class part vallecular cavity is rough milled processing;
3) selecting the milling cutter corresponding with the vallecular cavity knuckle radius to carry out the corner finish-milling, is benchmark with the cutter that will be used for shape in the finish-milling at the point of contact of corner, is the point of penetration of corner finish-milling cutter in the position apart from the outside 3～5mm in point of contact, and the incision angle is about 1 °～3 °;
4) carry out shape in the big cutting-in finish-milling with shape milling cutter in the finish-milling.
This High Speed Milling Operation processing wallboard class part corner adopts above-mentioned processing method; Give accurately machined milling surplus even basically, avoided the excessive problem that influences the fine finishining crudy that causes of corner allowance, improved working (machining) efficiency greatly; Shorten the process-cycle, guaranteed part quality.
Description of drawings
Fig. 1 is the sketch map of wallboard class part.
Fig. 2 is the application's corner machining locus sketch map.
Among the figure 1, corner finish-milling milling cutter profile; 2, shape milling cutter profile in the finish-milling.
The specific embodiment
As shown in Figure 1, wallboard class design of part is complicated, and vallecular cavity is more; This wall panel parts material specification is δ 45 * 3800 * 1200mm, and material trademark is 2D70 T351, when the part woolen cloth is carried out preliminary working and goes to expect; At first generally selecting diameter for use is that the cutter of 4～16 times of corner R is rough milled material processing to vallecular cavity, this part corner R=6mm, and therefore can select diameter for use is the cutter of 24～96mm; Consider according to factors such as part vallecular cavity sizes, can select the milling cutter of Ф 32 for use; When vallecular cavity was carried out in the finish-milling shape, selecting diameter for use was the cutter of 2～4 times of corner R, so can select Ф 20 milling cutters for use; This part corner R=6mm selects for use Ф 12 milling cutters to the corner finish-milling.
Its corner process steps is following:
1) the design corner R≤6mm of wallboard class part, actual this part R=6mm;
2) accomplish the preparation that wallboard class part vallecular cavity is rough milled processing with the milling cutter of Ф 32;
3) as shown in Figure 2; Select the milling cutter corresponding to carry out the corner finish-milling with the vallecular cavity knuckle radius; Being that milling cutter diameter is Ф 12, is benchmark with the cutter (being Ф 20 milling cutters) that will be used for shape in the finish-milling at the point of contact of corner, is the point of penetration of corner finish-milling Ф 12 milling cutters in the position (generally selecting 4mm is preferable distance) apart from the outside 3～5mm in point of contact; The incision angle is about 1 °～3 °; Make the incision of the approximately parallel angle of cutter like this, avoided the vertical incision of cutter and the collision of part, reduced the wearing and tearing of cutter and improved the quality of part;
4) can carry out shape in the big cutting-in finish-milling with shape milling cutter Ф 20 milling cutters in the finish-milling.
The corner R of each part is had nothing in common with each other, and can select cutter according to the corner size of actual part.
Claims (1)
1. High Speed Milling Operation processing wallboard class part corner processing method, during for the corner R of wallboard class Element Design≤6mm,
It is characterized in that following steps:
1) accomplish the preparation that wallboard class part vallecular cavity is rough milled processing, sidewall leaves the allowance of 1～1.5mm;
2) selecting the milling cutter corresponding with the vallecular cavity knuckle radius to carry out the corner finish-milling, is benchmark with the cutter that will be used for shape in the finish-milling at the point of contact of corner, is the point of penetration of corner finish-milling cutter in the position apart from the outside 3～5mm in point of contact, and the incision angle is about 1 °～3 °;
3) carry out shape in the big cutting-in finish-milling with shape milling cutter in the finish-milling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100598914A CN102069226B (en) | 2011-03-14 | 2011-03-14 | High-speed milling wallboard part corner processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100598914A CN102069226B (en) | 2011-03-14 | 2011-03-14 | High-speed milling wallboard part corner processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102069226A CN102069226A (en) | 2011-05-25 |
| CN102069226B true CN102069226B (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100598914A Expired - Fee Related CN102069226B (en) | 2011-03-14 | 2011-03-14 | High-speed milling wallboard part corner processing method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102078985B (en) * | 2010-12-24 | 2012-10-24 | 沈阳飞机工业（集团）有限公司 | Corner processing method through numerical control machining |
| CN105642976A (en) * | 2014-11-14 | 2016-06-08 | 江西昌河航空工业有限公司 | Numerical control machining method of T-type groove for aluminum alloy part |
| CN105710612A (en) * | 2016-04-01 | 2016-06-29 | 中航飞机股份有限公司西安飞机分公司 | Numerical-control processing method for aircraft wall plate part with complex structure |
| CN111889765B (en) * | 2020-06-17 | 2022-04-08 | 成都飞机工业（集团）有限责任公司 | Numerical control machining method for corner structure of paper honeycomb part |
| CN113976963A (en) * | 2021-11-22 | 2022-01-28 | 中国航发贵州黎阳航空动力有限公司 | Method for processing semi-closed multi-curved-surface inner cavity |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK175829B1 (en) * | 1997-11-25 | 2005-03-14 | Jesper Madvig Joergensen | Furniture plate and method of manufacture thereof |
| CN100445001C (en) * | 2003-12-17 | 2008-12-24 | 昭和电工株式会社 | Method for producing forging die, forging die and forged article |
| CN101428356A (en) * | 2008-09-17 | 2009-05-13 | 西安飞机工业（集团）有限责任公司 | Method for high-efficiency allowance-removing numerical control machining for groove-cavity structured part with corner |
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Granted publication date: 20120718 Termination date: 20190314 |