CN105728731A - Method for enhancing strength of cutting edge of tool through additive manufacturing technology - Google Patents

Method for enhancing strength of cutting edge of tool through additive manufacturing technology Download PDF

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Publication number
CN105728731A
CN105728731A CN201610159270.6A CN201610159270A CN105728731A CN 105728731 A CN105728731 A CN 105728731A CN 201610159270 A CN201610159270 A CN 201610159270A CN 105728731 A CN105728731 A CN 105728731A
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CN
China
Prior art keywords
cutter
tool
cutting edge
size
shaping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610159270.6A
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Chinese (zh)
Inventor
杨磊
高郑宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang Aircraft Industry Group Co Ltd
Original Assignee
Shenyang Aircraft Industry Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenyang Aircraft Industry Group Co Ltd filed Critical Shenyang Aircraft Industry Group Co Ltd
Priority to CN201610159270.6A priority Critical patent/CN105728731A/en
Publication of CN105728731A publication Critical patent/CN105728731A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/062Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/60Treatment of workpieces or articles after build-up
    • B22F10/66Treatment of workpieces or articles after build-up by mechanical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00Additive manufacturing of workpieces or articles from metallic powder
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00Processes of additive manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20Direct sintering or melting
    • B22F10/25Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/50Means for feeding of material, e.g. heads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/062Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
    • B22F2007/068Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts repairing articles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Abstract

The invention discloses a method for enhancing the strength of a cutting edge of a tool through an additive manufacturing technology. The method comprises the steps that 1, the work cutting edge of the tool is evenly removed by 0.8 mm to 1.5 mm, a basic platform is formed, and the surface of the basic platform is perpendicular to the cutting direction of the tool; 2, a digital model is established according to the dimension and shape of the tool, the dimension of the removed part and the dimension of the platform reserved on the tool after the cutting edge of the tool is removed; 3, programming is carried out according to the digital model and programming language of machining equipment; 4, the tool is clamped on a workbench of the machining equipment, the machining equipment is adjusted, a coaxial powder conveying work head of the machining equipment exactly faces the additive forming position of the tool, forming is called to start additive manufacturing work, and formed height is 0.5 mm larger than the height of the removed part; and 5, after forming is finished, the tool is mounted on a numerical control tool sharpener, and grinding is carried out again according to original grinding forming. According to the method, the service life of the tool can be prolonged, production efficiency can be improved, cost can be reduced, and good application prospects are achieved.

Description

A kind of method increasing material manufacturing technology enhancing cutting edge roundness intensity
Technical field
The invention belongs to increase material and manufacture field, be specifically related to a kind of method increasing material manufacturing technology enhancing cutting edge roundness intensity, use In the enhancing manufacture of cutter with renovation reinforced.
Background technology
At present, the universal cutter used on the market, is by general tool steel making mostly, and during use, cutting edge is easy to become Blunt, especially during the difficult-to-machine metal such as machining titanium alloy, due to the insufficient strength of cutting edge, cutter is easy to because processing frictional heat Annealing, causes processing difficulties maybe cannot process;Even if using the carbon steel that this kind of tool sharpening is the most easily processed, produce owing to adding man-hour Raw substantial amounts of heat, easily causes the annealing of tool edge part too.
The integral sintered manufacture of used special type knife, usually hard alloy, price comparison is expensive, not only wastes raw material, and And also because of the stone crisp easy generation brittle failure of material;In use, due to misoperation or machined part properties of materials Effect all can produce certain abrasion to cutter or local tipping damages, and makes this cutter to be continuing with, and serious can only report Useless.
Summary of the invention
It is an object of the invention to provide a kind of method increasing material manufacturing technology enhancing cutting edge roundness intensity, strengthen the strong of cutting edge roundness Degree and toughness, increase cutting-tool's used life, improves the production efficiency of machining.
The technical solution used in the present invention is:
A kind of method increasing material manufacturing technology enhancing cutting edge roundness intensity, comprises the following steps:
1) the work cutting edge of cutter is removed uniformly 0.8mm-1.5mm, form a basic platform, this basic platform surface Vertical with the cutting direction of cutter;The dirts such as the cleaning oil of tool surface, dust, water, stand-by;
2) the platform chi on cutter is stayed after removing according to the size shape of this cutter, the size removing position and cutting edge roundness Very little set up digital-to-analogue;
3) it is programmed according to the program language of this digital-to-analogue and process equipment;
4) being installed on the workbench of process equipment by cutter, adjust process equipment, the coaxial powder-feeding work of process equipment is right The increasing material shaping position of positive cutter, calls shaping and starts to increase material manufacture work, and the height of shaping is the height+O.5mm removed;
5), after shaping terminates, this cutter is installed on numerical control knife sharpener, again carries out grinding recycling by former grinding forming.
The method can be applicable to the transformation of universal cutter, the reparation of abrasion cutter, the process that cutting edge roundness strengthens, or tipping cutter Reparation.
It is applied to the transformation of universal cutter: the work cutting edge of universal cutter is removed uniformly 0.8mm-1.2mm, forms a base Plinth platform, platform surface is vertical with the cutting direction of cutter;The dirts such as the cleaning oil of tool surface, dust, water, stand-by;Root The size staying the platform on cutter according to the size shape of this cutter, the size removing position and cutting edge roundness after removing sets up number Mould, the program language further according to this digital-to-analogue and equipment is programmed;Cutter is installed on workbench, adjusts equipment, coaxially send Powder work head aligns the increasing material shaping position of cutter, calls shaping and starts to increase material manufacture work, and the height of shaping is the height removed + O.5mm, shape after terminating, this cutter is carried out grinding by former grinding forming again.
It is applied to the cutter of cutting edge enhancement process: owing to cutter core is common tool steel, there is certain toughness, shock resistance Power, shock resistance and impact resistant capability are relatively strong, and service life increases, and the cutting edge of special material makes that cutter is more wear-resisting, cutting edge of a knife or a sword Profit, reduces the cutting resistance of cutter, adds production efficiency.
It is applied to the reparation of abrasion cutter: the still special steel that whether tool steel manufactures manufactures, and the method all can be used to enter Row is repaired;The work cutting edge of abrasion cutter is removed 1.2mm-1.5mm uniformly, forms one basic platform, platform surface and The cutting direction of cutter is vertical;The dirts such as the cleaning oil of tool surface, dust, ferrum are cut, water, standby;Measure the size of cutter And remove the size at position and model, the program repaired according to digital-to-analogue establishment, debug laser coaxial powder feeding equipment, wear and tear The reparation of cutter, the height of repair layer should be higher than that cutter former theoretical level 0.5mm.Finally this cutter is installed on numerical control knife sharpener Again whet a knife shaping, recycling.
It is applied to the reparation of tipping cutter: if a cutter exists many places tipping phenomenon, polishes by tipping size maximum entirety Cutting edge roundness, manufactures the platform repaired, and recycling laser powder feeding increases manufacture process reparation;If a cutter has less than three Place and discontinuous tipping phenomenon, then should clean out polishing at tipping, and the size further according to burnishing part models, according to model Establishment repair procedure, utilizes laser powder feeding to increase manufacture process reparation;Cutter after reparation is whetted a knife through machinery, can again make With, save great amount of cost.
The method have the advantages that
The present invention is directed to what common cutter or the cutter having worn out (the most large-scale milling cutter, lathe tool, drill bit etc.) were carried out Blade strengthens or a kind of method of reinforcement.First common or abrasion cutting edge roundness is ground off further, be ground to certain size Platform, then uses the increasing material manufacture of laser coaxial powder feeding, with the platform after polishing as substrate, by specialty metal (such as carbon Change tungsten etc.) grow on matrix platform, form a firm entirety, then by certain tool sharpening grinding program by tool grinding To the size needed, it is continuing with.The present invention is possible not only to increase cutting-tool's used life, it is also possible to improve production efficiency, joint About cost, has a good application prospect.
The present invention is exactly the manufacture method being transformed into by common cutter and having special tool function, to wearing and tearing or can also collapse simultaneously The cutter of sword is repaired.
Accompanying drawing explanation
Fig. 1 is the milling cutter in embodiment.
Fig. 2 a is schematic diagram before the flank milling of A-A view milling cutter in Fig. 1.
Fig. 2 b is schematic diagram after the flank milling of A-A view milling cutter in Fig. 1.
Fig. 3 a is the front schematic diagram of end sword processing of milling cutter shown in Fig. 1.
Fig. 3 b be milling cutter shown in Fig. 1 end sword processing after schematic diagram.
Fig. 4 is embodiment drill bit reinforcement view.
Fig. 5 is the A-A view of drill bit shown in Fig. 4.
Fig. 6 is for shaping figure schematic cross-section.
Detailed description of the invention
Embodiment 1 plain cutter, abrasion milling cutter
First remove uniform for the work cutting edge (side edge and end sword) of cutter O.8mm-1.5mm, form a basic platform, flat Platform surface is vertical with the cutting direction of cutter as shown in Fig. 2 b and Fig. 3 b;The dirts such as the cleaning oil of tool surface, dust, water, Stand-by;Size shape according to this cutter, the size removing position and cutting edge roundness stay the chi of the platform on cutter after removing Very little set up digital-to-analogue, based on i.e. remaining on cutter hub face, utilize CATIA or CAD software to draw the part drawing shaped,
The size of new figure bottom surface all increases 0.5mm for all directions on the basis of the former bottom of foundation, and bottom surface is flat along the axis direction of cutter Face or helicoid.The external surface of formed body a size of cutter external diameter+1.Omm external profile surface extension is the column coaxial with cutter;Become The interior shape face of body is shape face size-0.5mm in former cutting edge roundness, holds equal extension 0.5mm, the height of formed body before and after cutter What degree was external surface and interior shape face joins naturally, forms the solid figure of a closing as shown in Figure 6.Further according to this digital-to-analogue and setting Standby program language is programmed;I.e. based on this solid figure, laser powder feeding fusion sediment data are converted to driver part Exercise data, generate the machining code that adapts with this system, it is achieved instruction exports.Cutter is installed on workbench, adjusts Finishing equipment, coaxial powder-feeding work head aligns the increasing material shaping position of cutter, calls shaping and start to increase material manufacture work, the height of shaping Degree is the height+0.5mm removed, and shapes after terminating, again by former grinding forming, this cutter is carried out grinding, the cutting edge after grinding Shape is as illustrated in figures.
Embodiment 2 drill bit
Due to the front end that working portion is drill bit and anterior side edge rather than all of side edge of drill bit, so during drill bit reinforcement, Need not all of for the drill bit whole reinforcement of side edge, only by the side edge reinforcement of a front end part.After being illustrated in figure 4 reinforcement Drill bit state;Fig. 5 is the A-A view of the drill bit after reinforcement, the shape face of the cutting edge after reinforcement;
By the groundwork cutting edge of cutter: end sword and part side edge (distance front end about 15mm-20mm) remove 1.0mm-uniformly 1.5mm, sets up a basic platform, and platform surface is vertical with the cutting direction of cutter, and platform becomes inclined-plane with unprocessed cutting edge Transition;The dirts such as the cleaning oil of tool surface, dust, water, stand-by;Size shape according to this cutter, the chi at removal position Very little and cutting edge roundness is stayed the size of the platform on cutter and is set up digital-to-analogue (digital-to-analogue is set up with embodiment 1), in basis after removing The program language of this digital-to-analogue and equipment is programmed;Being installed on workbench by cutter, adjust equipment, coaxial powder-feeding work is right The increasing material shaping position of positive cutter, calls shaping and starts to increase material manufacture work, and the height of shaping is the height+0.5mm removed, and becomes After shape terminates, this cutter is carried out grinding by former grinding forming again.
The cutter of embodiment 3 tipping
The cutter of one continuous tipping in many places, by tipping size maximum entirety polishing tool cutting edge, manufactures the basis repaired, Recycling laser powder feeding increases manufacture process reparation;One has at less than three and the cutter of discontinuous tipping, then should beat at tipping Mill is cleaned out, and in the size according to burnishing part, utilizes CATIA or CAD software to draw administrative division map (the method reality together shaped Execute example 1), it is the digital-to-analogue shaped, works out repair procedure according to model, utilize laser powder feeding to increase manufacture process reparation; Cutter after reparation is whetted a knife through machinery, can reuse, and saves great amount of cost.

Claims (5)

1. the method strengthening cutting edge roundness intensity by increasing material manufacturing technology, it is characterised in that comprise the following steps:
1) the work cutting edge of cutter is removed uniformly 0.8mm-1.5mm, form a basic platform, this basic platform surface Vertical with the cutting direction of cutter;
2) the platform chi on cutter is stayed after removing according to the size shape of this cutter, the size removing position and cutting edge roundness Very little set up digital-to-analogue;
3) it is programmed according to the program language of this digital-to-analogue and process equipment;
4) being installed on the workbench of process equipment by cutter, adjust process equipment, the coaxial powder-feeding work of process equipment is right The increasing material shaping position of positive cutter, calls shaping and starts to increase material manufacture work, and the height of shaping is the height+0.5mm removed;
5), after shaping terminates, this cutter is installed on numerical control knife sharpener, again carries out grinding recycling by former grinding forming.
2. a method transformation at universal cutter for cutting edge roundness intensity, repairing of abrasion cutter is strengthened by increasing material manufacturing technology Multiple, that cutting edge roundness strengthens process, or the application in the reparation of tipping cutter.
Apply the most as claimed in claim 2, it is characterised in that be applied to the transformation of universal cutter: by the work of universal cutter Making cutting edge and remove 0.8mm-1.2mm uniformly, form a basic platform, platform surface is vertical with the cutting direction of cutter;Clearly The dirts such as the reason oil of tool surface, dust, water, stand-by;Size shape according to this cutter, the size removing position and cutter Tool cutting edge is stayed the size of the platform on cutter and is set up digital-to-analogue after removing;Program language further according to this digital-to-analogue and process equipment is carried out Programming;Being installed on the workbench of process equipment by cutter, adjust process equipment, the coaxial powder-feeding work head of process equipment aligns The increasing material shaping position of cutter, calls shaping and starts to increase material manufacture work, and the height of shaping is the height+0.5mm removed;Shape After end, this cutter is carried out grinding by former grinding forming again.
Apply the most as claimed in claim 2, it is characterised in that be applied to the reparation of abrasion cutter: by the work of abrasion cutter Making cutting edge and remove 1.2mm-1.5mm uniformly, form a basic platform, platform surface is vertical with the cutting direction of cutter;Clearly The dirts such as the reason oil of tool surface, dust, ferrum are cut, water, stand-by;Measure the size of cutter and remove the size at position and build Mould, the program repaired according to digital-to-analogue establishment, debug laser coaxial powder feeding equipment, carry out the reparation of abrasion cutter, repair layer Highly should be higher than that cutter former theoretical level 0.5mm, finally install to again whet a knife on numerical control knife sharpener shaping by this cutter, then profit With.
Apply the most as claimed in claim 2, it is characterised in that be applied to the reparation of tipping cutter: if cutter exists many places Tipping phenomenon, then press tipping size maximum entirety polishing tool cutting edge, manufactures the basic platform repaired;To polish at tipping Cleaning out, the size further according to burnishing part models, and works out repair procedure according to model, and recycling laser powder feeding increases material and manufactures work Skill is repaired;Cutter after reparation is whetted a knife through machinery, can reuse.
CN201610159270.6A 2016-03-18 2016-03-18 Method for enhancing strength of cutting edge of tool through additive manufacturing technology Pending CN105728731A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610159270.6A CN105728731A (en) 2016-03-18 2016-03-18 Method for enhancing strength of cutting edge of tool through additive manufacturing technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610159270.6A CN105728731A (en) 2016-03-18 2016-03-18 Method for enhancing strength of cutting edge of tool through additive manufacturing technology

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109530696A (en) * 2018-12-28 2019-03-29 天津镭明激光科技有限公司 A kind of substrate melts manufacturing process as the selective laser of part a part
CN109834409A (en) * 2017-11-29 2019-06-04 林肯环球股份有限公司 Method and system for increasing material manufacturing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1136005A (en) * 1997-07-17 1999-02-09 Hokkaido Prefecture Compound die material for press forming, its production, and press forming die consisting of the material
WO2008099347A1 (en) * 2007-02-13 2008-08-21 Element Six Ltd Electro discharge sintering manufacturing
CN104759624A (en) * 2015-03-18 2015-07-08 绍兴文理学院 Cutter abrasion repairing method
CN105345003A (en) * 2015-12-16 2016-02-24 阳江市五金刀剪产业技术研究院 Material increase manufacturing device for knife scissors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1136005A (en) * 1997-07-17 1999-02-09 Hokkaido Prefecture Compound die material for press forming, its production, and press forming die consisting of the material
WO2008099347A1 (en) * 2007-02-13 2008-08-21 Element Six Ltd Electro discharge sintering manufacturing
CN104759624A (en) * 2015-03-18 2015-07-08 绍兴文理学院 Cutter abrasion repairing method
CN105345003A (en) * 2015-12-16 2016-02-24 阳江市五金刀剪产业技术研究院 Material increase manufacturing device for knife scissors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109834409A (en) * 2017-11-29 2019-06-04 林肯环球股份有限公司 Method and system for increasing material manufacturing
CN109530696A (en) * 2018-12-28 2019-03-29 天津镭明激光科技有限公司 A kind of substrate melts manufacturing process as the selective laser of part a part

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