CN102886555B - Method for removing burrs in deep hole of workpiece - Google Patents

Method for removing burrs in deep hole of workpiece Download PDF

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Publication number
CN102886555B
CN102886555B CN201210298390.6A CN201210298390A CN102886555B CN 102886555 B CN102886555 B CN 102886555B CN 201210298390 A CN201210298390 A CN 201210298390A CN 102886555 B CN102886555 B CN 102886555B
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workpiece
deep hole
cutter
machined
milling cutter
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CN201210298390.6A
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CN102886555A (en
Inventor
吴金柱
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DALIAN DEMAISHI PRECISION TECHNOLOGY CO., LTD.
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DALIAN LIANDE MAISHI PRECISION SHAFT Co Ltd
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Abstract

The invention discloses a method for removing burrs in a deep hole of a workpiece. The method comprises the following steps of: grinding the outer circle of a milling cutter by taking a vertical hard alloy key groove milling cutter as a first part of the cutter, and welding a circular rod with the milling cutter in a copper welding mode by taking a solid circular rod which is not made of stainless steel as a second part of the cutter, wherein the circular rod is a straight rod of which the length is identical with the depth of the deep hole of a workpiece to be machined; and clamping the cutter in a drilling sleeve of a vertical driller, clamping the workpiece to be machined on a clamping disk of the driller, inserting the cutter into the deep hole of the workpiece until the root of the deep hole is reached, stopping for 2 to 3 second, and screwing the cutter out of the deep hole of the workpiece. Compared with the prior art, the method has the advantages that the mechanical degree, the product quality and the production efficiency are high, the machining effect is good, the production cost is low, the process is simple, the method is easy to operate and the like.

Description

A kind of method of removing workpiece deep hole burr
Technical field the present invention relates to a kind of machining process, relates in particular to a kind of method of removing workpiece deep hole burr.
Background technology is in mechanical processing industry, the deep hole burr of workpiece particularly dark cross-hole bur is a difficult problem that is perplexing a lot of enterprises always, and have the parts of deep hole very many, such as workpiece such as air conditioner compressed arbors, the problem that solves deep hole burr is the key that guarantees the conditions such as product quality, precision, at present, the method for the deep hole burr of removal workpiece mainly contains two kinds:
1, mechanical means: utilize special-purpose cutter to go deep into the manual burr of removing in hole, this method is only suitable for small lot batch manufacture and is only applicable to the more shallow parts of the larger hole depth of bore dia;
2, chemical removal method: remove burr after utilizing special-purpose soaked with liquid part certain hour, although this method can be removed deep hole burr, but in the process of practical application, liquid can change the institutional framework of workpiece material, thereby affect the instructions for use of workpiece, be in this way only applicable to the not tight blank part processing of some technological requirements.
Summary of the invention the object of the present invention is to provide a kind of not only mechanization degree high, good product quality, and production efficiency is high, and processing effect is good, and production cost is low, and technique is simple, convenient operation, the method for the applicable removal workpiece deep hole burr of producing in enormous quantities.
A kind of method of removing workpiece deep hole burr that the present invention proposes, scheme is as follows:
(1) prepare cutter, first select carbide alloy keyway vertical milling cutter as the first of cutter, for improving the wearability of milling cutter, milling cutter cylindrical is carried out to grinding, according to the deep hole diameter of workpiece to be machined, external diameter after milling cutter grinding is less than the deep hole diameter 0.03~0.07mm of workpiece to be machined, best, and the external diameter after milling cutter grinding is less than the deep hole diameter 0.05mm of workpiece to be machined; Then, selecting a root timber matter is that non-stainless solid round rod is as second portion, round bar is the straight-bar that length is identical with the deep hole degree of depth of workpiece to be machined, its external diameter is less than the deep hole diameter 0.3~0.5mm of workpiece to be machined, best, the external diameter of round bar is less than the deep hole diameter 0.5mm of workpiece to be machined; Then adopt the mode of brazing that round bar and milling cutter are welded together, it is the non-keyway end that one end of round bar is welded on milling cutter, eccentric throw between the axis of round bar and the axis of milling cutter is 0.06mm~0.1mm, best, eccentric throw between the axis of round bar and the axis of milling cutter is 0.1mm, completes the preparation of cutter after welding;
(2) then by cutter clamping in the drill bushing of upright drill, the exposed active length of cutter is greater than the deep hole degree of depth of workpiece to be machined, then by workpiece to be machined clamping on the chuck of drilling machine, according to the deep hole degree of depth of workpiece, adjust the feeding distance of cutter, start drilling machine, the rotating speed of cutter is 500 turn/min, the feed speed of cutter is 300~400mm/min, cutter enters in the deep hole of workpiece until deep hole root, stop after 2~3 seconds, in the deep hole of cutter by workpiece, screw out, then utilize high pressure air pressure gun to stretch in the deep hole of workpiece and blow out inner remaining iron filings, completion of processing.
The present invention utilizes cutter clamping cutter to be stretched into deep hole inner cable on bench drill will remove the position of burr and be rotated the machining wiper inner burr that portals, then utilize high pressure air pressure gun to stretch in the deep hole of workpiece and blow out inner remaining iron filings, because the external diameter of cutter is less than the deep hole diameter of workpiece, removing hole inner burr must allow cutter prolong in hole to radially wobble and just can make cutter and hole wall better fit and reach the object of scraping flash removed, because cutter cylindrical is the cutting edge inclination that do not have of grinding, can not cause substantial cutting yet can bore dia not caused damage and be changed, also increased the wear resistence of cutter simultaneously, make increase several times cutter life.
The present invention compared with prior art tool has the following advantages:
1, production efficiency is high, and through test, the present invention can produce 2500 products in every 8 hours, and product zero defect, and precision is high, and quality is good;
2, the long service life of cutter, general every cutter can be processed 15000 to 18000 products;
3, production cost is low, adopts mechanization, and is that existing drilling machine is realized processing, and cost is than low many of the method for other removal deep hole burr;
4, technique is simple, and convenient operation is applicable to producing in enormous quantities.
Description of drawings 1 is looked schematic diagram for the master of cutter.
Fig. 2 is the enlarged diagram of cutter and round bar junction.
Fig. 3 is the duty partial cutaway schematic of cutter.
A kind of method of removing workpiece deep hole burr of the specific embodiment, scheme is as follows:
(1) prepare cutter, as shown in Figure 1, first select carbide alloy keyway vertical milling cutter 1 as the first of cutter, for improving the wearability of milling cutter, milling cutter cylindrical is carried out to grinding, according to the deep hole diameter of workpiece to be machined, the external diameter after milling cutter grinding is less than the deep hole diameter 0.05mm of workpiece to be machined; Then, select a root timber matter be non-stainless solid round rod 2 as second portion, round bar is the straight-bar that length is identical with the deep hole degree of depth of workpiece to be machined, the external diameter of round bar is less than the deep hole diameter 0.5mm of workpiece to be machined; Then adopt the mode of brazing that round bar and milling cutter are welded together, one end of round bar is welded on the non-keyway end of milling cutter, and the eccentric throw between the axis of round bar and the axis of milling cutter is 0.1mm, as shown in Figure 2;
(2) as shown in Figure 3, by cutter 3 clampings in the drill bushing of upright drill, the exposed active length of cutter is greater than the deep hole degree of depth of workpiece to be machined 4, then by workpiece to be machined clamping on the chuck of drilling machine, according to the deep hole degree of depth of workpiece, adjust the feeding distance of cutter, start drilling machine, the rotating speed of cutter is 500 turn/min, the feed speed of cutter is 350mm/min, cutter enters in the deep hole of workpiece until deep hole root, stop after 3 seconds, in the deep hole of cutter by workpiece, screw out, then utilize high pressure air pressure gun to stretch in the deep hole of workpiece and blow out inner remaining iron filings, completion of processing.

Claims (4)

1. a method of removing workpiece deep hole burr, is characterized in that:
(1) prepare cutter, first select carbide alloy keyway vertical milling cutter as the first of cutter, for improving the wearability of milling cutter, milling cutter cylindrical is carried out to grinding, according to the deep hole diameter of workpiece to be machined, the external diameter after milling cutter grinding is less than the deep hole diameter 0.03~0.07mm of workpiece to be machined; Then, select a root timber matter be non-stainless solid round rod as second portion, round bar is the straight-bar that length is identical with the deep hole degree of depth of workpiece to be machined, its external diameter is less than the deep hole diameter 0.3~0.5mm of workpiece to be machined; Then adopt the mode of brazing that round bar and milling cutter are welded together, one end of round bar is welded on the non-keyway end of milling cutter, and the eccentric throw between the axis of round bar and the axis of milling cutter is 0.06mm~0.1mm, completes the preparation of cutter after welding;
(2) then by cutter clamping in the drill bushing of upright drill, the exposed active length of cutter is greater than the deep hole degree of depth of workpiece to be machined, then by workpiece to be machined clamping on the chuck of drilling machine, according to the deep hole degree of depth of workpiece, adjust the feeding distance of cutter, start drilling machine, the rotating speed of cutter is 500 turn/min, the feed speed of cutter is 300~400mm/min, cutter enters in the deep hole of workpiece until deep hole root, stop after 2~3 seconds, in the deep hole of cutter by workpiece, screw out, then utilize high pressure air pressure gun to stretch in the deep hole of workpiece and blow out inner remaining iron filings, completion of processing.
2. the method for removal workpiece deep hole burr according to claim 1, is characterized in that: the external diameter after milling cutter grinding is less than the deep hole diameter 0.05mm of workpiece to be machined.
3. the method for removal workpiece deep hole burr according to claim 1, is characterized in that: the external diameter of round bar is less than the deep hole diameter 0.5mm of workpiece to be machined.
4. the method for removal workpiece deep hole burr according to claim 1, is characterized in that: the eccentric throw between the axis of round bar and the axis of milling cutter is 0.1mm.
CN201210298390.6A 2012-08-21 2012-08-21 Method for removing burrs in deep hole of workpiece Active CN102886555B (en)

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CN201210298390.6A CN102886555B (en) 2012-08-21 2012-08-21 Method for removing burrs in deep hole of workpiece

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Application Number Priority Date Filing Date Title
CN201210298390.6A CN102886555B (en) 2012-08-21 2012-08-21 Method for removing burrs in deep hole of workpiece

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CN102886555B true CN102886555B (en) 2014-09-17

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109590670B (en) * 2018-11-28 2021-04-23 中国航发沈阳黎明航空发动机有限责任公司 Method for replacing blind hole positioning pin of low-pressure turbine disc of aero-engine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2928365Y (en) * 2006-07-31 2007-08-01 广西玉柴机器股份有限公司 Knife for processing precision hole with cross hole dent
JP4061636B2 (en) * 2002-01-21 2008-03-19 日産自動車株式会社 Deburring method and deburring device
CN102133662A (en) * 2011-01-11 2011-07-27 重庆红宇精密工业有限责任公司 Tool for processing burrs at through position of through hole
CN202155569U (en) * 2011-06-08 2012-03-07 鑫耀机械制造(大连)有限公司 Cross-hole deburring drill bit
CN102441776A (en) * 2011-09-14 2012-05-09 中国航空工业第六一八研究所 Deburring method for intersecting positions of spatial intersection holes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4061636B2 (en) * 2002-01-21 2008-03-19 日産自動車株式会社 Deburring method and deburring device
CN2928365Y (en) * 2006-07-31 2007-08-01 广西玉柴机器股份有限公司 Knife for processing precision hole with cross hole dent
CN102133662A (en) * 2011-01-11 2011-07-27 重庆红宇精密工业有限责任公司 Tool for processing burrs at through position of through hole
CN202155569U (en) * 2011-06-08 2012-03-07 鑫耀机械制造(大连)有限公司 Cross-hole deburring drill bit
CN102441776A (en) * 2011-09-14 2012-05-09 中国航空工业第六一八研究所 Deburring method for intersecting positions of spatial intersection holes

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
新型倒角去毛刺刀具;胡作福;《工具技术》;19850331(第3期);第21-22页 *
胡作福.新型倒角去毛刺刀具.《工具技术》.1985,(第3期),第21-22页.

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Address after: Hing Fat road Lushun Development Zone in Dalian City, Liaoning Province, No. 88 116052

Patentee after: DALIAN DEMAISHI PRECISION TECHNOLOGY CO., LTD.

Address before: Hing Fat road Lushun Development Zone in Dalian City, Liaoning Province, No. 88 116052

Patentee before: Dalian Liande Maishi Precision Shaft Co., Ltd.