CN108515218B - A kind of processing method preventing the processing trembling of light sheet part - Google Patents
A kind of processing method preventing the processing trembling of light sheet part Download PDFInfo
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- CN108515218B CN108515218B CN201810314738.3A CN201810314738A CN108515218B CN 108515218 B CN108515218 B CN 108515218B CN 201810314738 A CN201810314738 A CN 201810314738A CN 108515218 B CN108515218 B CN 108515218B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/13—Surface milling of plates, sheets or strips
Abstract
A kind of processing method preventing the processing trembling of light sheet part, the steps include: 1), establish coordinate system, by one side at hole to be processed, there are the cylinders with a thickness of 25-30mm to be supported using cylinder as support column to part web part；2) web, plate thickness made allowance 1.5-2.5mm, are processed；3), using whirlwind milling method, in place, lateral cutting-in is the 10 of cutter diameter to a cutting-in；4) it, is cut holes at the another side unprocessed hole location of part using milling cutter, processing hole depth is higher than support column 0.08mm, later directly knocks out cylinder using tool, obtains finished parts.The present invention provides the few processing methods of a kind of machining accuracy height, process flow, solve dimensional accuracy caused by trembleing in the prior art due to web and are difficult to guarantee, the technical problem that simultaneous processing process is cumbersome, the period is long, at high cost.
Description
Technical field
This technology belongs to numerical controlled machinery manufacture field, mainly solves production in practice due to different size of light sheet zero
Part trembles deformation in process, and the stage property and positioning to numerical control processing all bring difficulty of processing, influences processing dimension and table
The problem of face precision.
Background technique
Processing method in the prior art are as follows: feature side-wall single side stays 0.5mm when 1, processing for the first time, and web surface stays
0.5mm stays allowance for finish；2, the upper muscle height of installation essence, milling cutter essence web and side wall；3, hole to be processed is processed；4, loose
Pressing plate unloads part, rotates 180 degree around Y-axis, reference angle establishes coordinate system in the lower right corner；5, it carries out second to process, stays finishing
Spare time measures, and tool wear situation, web flutter depth, it is ensured that have pincers worker grind are paid attention in process；6, process
Whether the middle thickness with calibrator measurement web is consistent, pays attention to tool wear situation, web flutter depth, it is ensured that have pincers worker grinding
Surplus, web stay 0.1mm, pincers worker grind；7, it unloads part and turns pincers worker grinding part web plane, and guarantee web size
Tolerance.Since web empties, web size is than relatively thin, and cutter web while cutting trembles, and processing web is difficult control and adds
Chinese musical scale cun and flatness, pincers worker grinding waste the very big time, increase unnecessary labour, and processing cost increases.
Summary of the invention
The purpose of the present invention is to provide it is a kind of prevent light sheet part processing trembling processing method, the steps include: 1),
Coordinate system is established, it, using cylinder as support column, is to zero that there are the cylinders with a thickness of 25-30mm by one side at hole to be processed
Part web part is supported；2) web, plate thickness made allowance 1.5-2.5mm, are processed；3), using whirlwind milling method, once
In place, lateral cutting-in is the 10 of cutter diameter to cutting-in；4) milling cutter, is used at the another side unprocessed hole location of part
Hole milling is processed hole depth to support column 0.08mm is higher than, later directly knocks out cylinder using tool, obtain finished parts.The present invention
By the above method, solves dimensional accuracy caused by trembleing in the prior art due to web and be difficult to guarantee, simultaneous processing process is numerous
Technical problem trivial, the period is long, at high cost.
The technical solution adopted by the present invention is that:
A kind of processing method preventing the processing trembling of light sheet part, the steps include:
1) coordinate system, is established, there are the cylinders with a thickness of 25-30mm by one side at hole to be processed, using cylinder as branch
Dagger is supported part web part；
2) web, plate thickness made allowance 1.5-2.5mm, are processed；
3), using whirlwind milling method, in place, lateral cutting-in is the 10 of cutter diameter to a cutting-in；
4) it, is cut holes at the another side unprocessed hole location of part using milling cutter, processing hole depth is to being higher than support column
Cylinder is directly knocked out using tool later, obtains finished parts by 0.08mm.
In the step 3), parameter is fed are as follows: spindle revolutions 10000r/min, amount of feeding 4000mm/min.
Body diameter described in step 1) is equal with bore dia to be processed.
The beneficial effects of the present invention are:
On the basis of original cooked mode, changes thoughtcast and become the mode of original direct processing through-hole first to add
The position single-sided process in work hole is the anti-column that quivers of positioning, and then turn-over processes part to be processed, and being machined to hole prescribed depth has 8,
Then the anti-support column that quivers below processed hole directly is knocked out with tool, direct perfection processes the hole of requirement, while guaranteeing to add
Work process part is firm not to be trembleed.Wobble problem and tool wear problem in the processing of the method for the present invention very good solution, take
Disappeared pincers worker grinding process, substantially increases production efficiency, reduces production cost, improves the quality of production.
Detailed description of the invention
Fig. 1 a: prior art machining state schematic diagram.
The cross-sectional view of b: Fig. 1 a of Fig. 1.
Fig. 2 a: the invention machining state schematic diagram.
The cross-sectional view of b: Fig. 2 a of Fig. 2.
Fig. 3: 1 machining state figure of embodiment.
Fig. 4 a: embodiment 1 rotates 180 ° of post-processing state diagrams.
The side sectional view of b: Fig. 4 a of Fig. 4.
Specific embodiment
A kind of processing method preventing the processing trembling of light sheet part, the steps include:
1) coordinate system, is established, there are the cylinders with a thickness of 25-30mm by one side at hole to be processed, using cylinder as branch
Dagger positions whole plate；The body diameter is equal with bore dia to be processed.
2) web, plate thickness made allowance 1.5-2.5mm, are processed.
3), using whirlwind milling method, in place, lateral cutting-in is the 10 of cutter diameter to a cutting-in；Wherein, it feeds
Parameter are as follows: spindle revolutions 10000r/min, amount of feeding 4000mm/min.
4) it, is cut holes at the another side unprocessed hole location of part using milling cutter, processing hole is deep to 0.08mm, uses later
Tool directly knocks out cylinder, obtains finished parts.
The specific procedure of processing processed by the prior art is as follows:
Support arm leading portion is processed, part milling machine lower planes mill the benchmark lower left corner until 59 ± 0.1mm, establishes coordinate system, use
Pressing plate is fixed on bed surface, and pressing plate is pressed within 5mm, presses surrounding.Processing zero point is determined with seeking border, to knife zero point in upper table
Face, installation Φ 16R3 high-speed milling cutter open thick holotype, and feature side-wall single side stays 0.5mm, and web surface stays 0.5mm, stays allowance for finish.
Muscle in Φ 10R5 essence is installed high again, Φ 16R4 milling cutter essence web and side wall are installed, guarantee side wall 3 ± 0.1mm or 4 ± 0.1mm.Again
With 2mm centre drill point hole location, point 2mm is deep, is boring 2- Φ 12H9 bottom outlet with 11.8 drill bit of Φ, it is deep to bore 18mm, then cut with scissors with Φ 12H9
Knife fraising, hinge 15mm are deep.Side wall is finished with Φ 12H9 gauge measured hole, then with T16R4, clears up side wall with Φ 16R0.5 later
The root angle R.Loosening pressure plate unloads part, rotates 180 degree around Y-axis, reference angle founds coordinate system in the lower right corner, by Fig. 1 a, to knife zero point
In bottom surface, Φ 16R3 high-speed milling cutter is installed and outputs the second face holotype, feature side-wall single side stays 0.5mm, and web is stayed in mounting surface
0.5mm, stays allowance for finish, and installation Φ 16R4 milling cutter essence muscle height, side wall guarantee 3 ± 0.1mm of side wall, 4 ± 0.1mm.It is processing
Processing is lifted when web, first lifts 0.5mm, and processing is primary, and whether the thickness with calibrator measurement web is consistent, pays attention to cutter
Abrasion condition, web flutter depth, it is ensured that have pincers worker grind；It is primary that 0.4mm processing is lifted again, pays attention to tool wear situation,
Web flutter depth, it is ensured that have pincers worker grind, with calibrator measurement web thickness it is whether consistent, square face
0.05mm, then lift 0.3mm with calibrator measure web thickness it is whether consistent, square face in 0.05mm, pay attention to tool wear
Situation, web flutter depth, it is ensured that have pincers worker grind, web stays 0.1mm, pincers worker grind.Installation Φ 16R0.5 is cut
It is disconnected, it unloads part and turns pincers worker grinding part web plane degree 0.05 and guarantee web dimensional tolerance.Since web empties, web ruler
Very little than relatively thin, cutter web while cutting trembles, and processing web is difficult to control processing dimension and flatness, pincers worker grinding wave
Take the very big time, increase unnecessary labour, processing cost increases.
Embodiment 1:
It the following is the concrete application processed using the method for the present invention to support arm leading portion.
Support arm leading portion is processed, support arm leading portion woollen top and bottom are milled, thickness to 59 ± 0.1mm establishes coordinate system by Fig. 3, mills
Benchmark is the lower left corner, and support arm leading portion is fixed on platen with pressing plate, and pressing plate presses surrounding, and flanging is within 5mm.With seeking
Side device determines processing zero point, to knife zero point in upper surface, installs Φ 16R3 high-speed milling cutter and opens thick holotype, feature side-wall single side stays
0.5mm, web surface stay 0.5mm, stay allowance for finish, hole machined at the cylinder of Φ 10mm high 21.
It is high that Φ 10R5 milling cutter muscle is installed again, installation Φ 16R4 milling cutter finishing web and side wall, guarantee side wall parameter 3 ±
0.1mm or 4 ± 0.1mm.Side wall is finished with T16R4 again, clears up the side wall root angle R with Φ 16R0.5 later.
Loosening pressure plate unloads part, rotates 180 degree around Y-axis, reference angle exists to knife zero point by Fig. 4 a coordinate system in the lower right corner
Bottom surface, installation Φ 16R3 high-speed milling cutter output the second face holotype, and feature side-wall single side stays 0.5mm, and web surface stays 2mm, stays finishing
Spare time amount.Φ 16R4 milling cutter essence muscle height, side wall are installed, guarantee side wall 3 ± 0.1mm or 4 ± 0.1mm.Reprocess web, tool
Body uses the scheme of whirling mill, feeds parameter spindle revolutions 10000r/min, the amount of feeding 4000mm/min, longitudinal cutting-in 2mm, horizontal
To cutting-in 1.5mm, a cutting-in is in place.With 10 hole milling cutter Φ 12H9 Φ, processes hole and be deep to 0.08mm, Φ 16R0.5 is finally installed
Cutting-off part and woollen junction.Part is finally unloaded, knocks out cylinder with tool.
The wobble problem of inventive method very good solution processing, tool wear problem eliminate pincers worker grinding process, greatly
Production efficiency is improved greatly, production cost is reduced, improves the quality of production.
Claims (2)
1. a kind of processing method for preventing the processing trembling of light sheet part, the steps include:
1) coordinate system, is established, by one side at hole to be processed there are the cylinder with a thickness of 25-30mm, using cylinder as support column,
Part web part is supported；The body diameter is equal with bore dia to be processed；
2) web, plate thickness made allowance 1.5-2.5mm, are processed；
3), using whirlwind milling method, a cutting-in in place, the 10 of lateral knifing cutter diameter；
4) it, is cut holes at the another side unprocessed hole location of part using milling cutter, processing hole depth is higher than support column 0.08mm, later
Directly cylinder is knocked out using tool, obtains finished parts.
2. a kind of processing method for preventing the processing trembling of light sheet part according to claim 1, it is characterised in that: described
Step 3) in, feed parameter are as follows: speed of mainshaft 10000r/min, amount of feeding 4000mm/min.
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| CN201810314738.3A CN108515218B (en) | 2018-04-10 | 2018-04-10 | A kind of processing method preventing the processing trembling of light sheet part |
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| CN201810314738.3A CN108515218B (en) | 2018-04-10 | 2018-04-10 | A kind of processing method preventing the processing trembling of light sheet part |
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| CN108515218A CN108515218A (en) | 2018-09-11 |
| CN108515218B true CN108515218B (en) | 2019-06-21 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110480284B (en) * | 2019-09-17 | 2021-04-27 | 成都飞机工业（集团）有限责任公司 | Processing method of web plate notch structure |
| CN113333829B (en) * | 2021-05-31 | 2023-03-14 | 重庆长安汽车股份有限公司 | CNC machining method for automobile plastic part |
| CN113441765B (en) * | 2021-06-25 | 2022-06-14 | 成都飞机工业（集团）有限责任公司 | Milling method of double-sided frame type part |
| CN113799193B (en) * | 2021-09-13 | 2023-04-21 | 富钰精密组件（昆山）有限公司 | Processing method of carbon fiber plate |
| CN114131093B (en) * | 2021-12-21 | 2022-11-29 | 一重集团大连核电石化有限公司 | Numerical control machining method for multi-type large-diameter hollow indirect pipe hole in ultra-large end socket |
| CN116214097B (en) * | 2023-04-07 | 2024-01-09 | 成都森博精密机械有限公司 | Frame-shaped part processing method |
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| CN101491877A (en) * | 2008-01-25 | 2009-07-29 | 苏州春兴精工股份有限公司 | Vacuum fixation device for processing sheet type workpiece and use method thereof |
| ITMI20081251A1 (en) * | 2008-07-10 | 2010-01-10 | Ficep Spa | Apparatus for making variable diameter holes in sheet metal |
| CN101786180B (en) * | 2010-03-31 | 2011-05-18 | 南京航空航天大学 | Helical milling device and method |
| CN203610742U (en) * | 2013-10-17 | 2014-05-28 | 常州市海伦工具有限公司 | Milling machine tool structure |
| CN204621602U (en) * | 2015-03-17 | 2015-09-09 | 瑞麦（宁波）机械设计制造有限公司 | A kind of thin plate processing anti-deformation fixture |
| CN106862966A (en) * | 2015-12-11 | 2017-06-20 | 焱智精密机械（上海）有限公司 | The processing method of thin plate |
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Effective date of registration: 20190905 Address after: 110000 No. 3 Zhengyi 4th Road, Shenbei New District, Shenyang City, Liaoning Province Patentee after: Shenyang Lisheng Electronic Technology Co., Ltd. Address before: 110033 Guanyin Village, Lingdong Township, Huanggu District, Shenyang City, Liaoning Province Patentee before: Shenyang Baixiang Mechanical Processing Co., Ltd. |
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Effective date of registration: 20200924 Address after: Ling Dongxiang Guanyin village of Huanggu District of Shenyang City, Liaoning province 110000 Patentee after: SHENYANG BAIXIANG MACHINERY PROCESSING Co.,Ltd. Address before: 110000 No. 3 Zhengyi 4th Road, Shenbei New District, Shenyang City, Liaoning Province Patentee before: SHENYANG LISHENG ELECTRONIC TECHNOLOGY Co.,Ltd. |