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 PDFInfo
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- 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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- Prior art keywords
- cutter
- tool
- cutting edge
- size
- shaping
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture 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
- B22F7/06—Manufacture 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
- B22F7/062—Manufacture 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/66—Treatment of workpieces or articles after build-up by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE 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
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus 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
- B22F12/50—Means for feeding of material, e.g. heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture 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
- B22F7/06—Manufacture 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
- B22F7/062—Manufacture 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
- B22F2007/068—Manufacture 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
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
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
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.
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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105728731A true CN105728731A (en) | 2016-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610159270.6A Pending CN105728731A (en) | 2016-03-18 | 2016-03-18 | Method for enhancing strength of cutting edge of tool through additive manufacturing technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN105728731A (en) |
Cited By (3)
| 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 |
| US11980968B2 (en) | 2017-11-29 | 2024-05-14 | Lincoln Global, Inc. | Methods and systems for additive tool manufacturing |
Citations (4)
| 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 |
-
2016
- 2016-03-18 CN CN201610159270.6A patent/CN105728731A/en active Pending
Patent Citations (4)
| 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 (3)
| 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 |
| US11980968B2 (en) | 2017-11-29 | 2024-05-14 | Lincoln Global, Inc. | Methods and systems for additive tool 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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Application publication date: 20160706 |
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