CN1532304A - Cutter and its processing method - Google Patents

Cutter and its processing method Download PDF

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Publication number
CN1532304A
CN1532304A CNA031078230A CN03107823A CN1532304A CN 1532304 A CN1532304 A CN 1532304A CN A031078230 A CNA031078230 A CN A031078230A CN 03107823 A CN03107823 A CN 03107823A CN 1532304 A CN1532304 A CN 1532304A
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cutter
alloy
carbon
nano
cutting edge
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CNA031078230A
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CN100365166C (en
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姚建华
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Abstract

The present invention relates to cutter and its processing method. The cutter includes cutter body, cutting edge and cutter handle, and features that the cutting edge has homogeneous laser welded and coated reinforcing alloy coating layer comprising nano carbon fiber, nano ceramic, adhesive and micron level hard alloy and thus high wear resistance. The improved cutter has one compact, homogeneous coating metallurgically combined with the base body. By means of the gradient transition in hardness, stress and material property, the cutter is wear resistant, impact resistant and sharp and has fast coating and long service life.

Description

A kind of cutter and working method thereof
Technical field
A kind of cutter and working method thereof, be particularly useful for kitchen cutter, gardens with cutter and carpenter, cut paper, leather with cutter and working method thereof.
Background technology
External cutter, matrix cutting edge coating is generally tungsten chromium Wimet, about 50~100 μ m of particle diameter, its matrix of metallurgical analysis is a Martensite Stainless Steel, quality adjustment condition.Subject matter: coating and matrix are non-metallurgical binding, and coating and matrix have tangible joint line, and transition such as hardness, stress, material are mild inadequately, and being coated with layer analysis is that plasma spraying is made, and easily causes problems such as disbonding, spring sword.Dissect Germany's " one of the Chinese character components " table knife, matrix chemical analysis blade coating is a tungsten chromium Wimet, the about 50-100 μ of particle diameter m.The micro-hardness testing result
?????????????????????????HV0.2/15s
Matrix ????565 ????564 ????563 ????560 ????570
Sprayed coating ????1060 ????1054 ????1122 ????1027 ????939
Coat-thickness ?????????????????????????0.035mm
Metallurgical analysis: matrix: tempered sorbite and carbide, judgement are Martensite Stainless Steels, quality adjustment condition.
Domestic cutter is whole the manufacturing, and it is main adopting the 3Cr13 Martensite Stainless Steel as the kitchen cutter, and complete heat treatment obtains, and hardness and wear resistance are relatively poor; Also useful bimetal clad steel plate is made, as the wooden method manufacturing of inlaying rapid steel or Wimet with soldering at cutting edge of bamboo with cutter, subject matter is complex procedures, cost height, for the Wimet cutting edge, owing to the fragility of material itself is subjected to the restriction of length, easily make or use in Wimet cutting edge phenomenon of rupture appears.Do not see the cutter of cutting edge laser coatings at home.
Summary of the invention
Main purpose of the present invention provides a kind of cutter and this cutter machining method thereof, by cutting edge roundness laser melting coating one deck alloy strengthening coat, make the densification of cutting edge roundness coating, evenly and with the matrix metallurgical binding, make wear-resisting, the shock resistance of cutter.
Main technical schemes of the present invention is: this cutter comprises cutter hub, blade and handle of a knife, it is characterized in that the alloying coat that laser melting coating is made up of carbon nano fiber, nano ceramics, caking agent and micron order Wimet mixture on the blade.Coat thickness is 20~1000 μ m, and the coat width is 4~20mm, carbon nano fiber diameter 5~50nm wherein, and length 10~50 μ m are mainly and strengthen the hard ceramic fiber, and caking agent is resol or varnish.
The working method of this cutter is as follows: its manufacture craft process comprises the making cutter blank, the little sword of the big sword of opening one side, and blade alcohol, clean-out systems such as rosin clean, and at the face spraying hybrid alloys that puts the first edge on a knife or a pair of scissors, carry out Laser Cladding Treatment behind the preheating cutter hub.It is characterized in that knife edge part will scribble the mixture of carbon nano fiber, nano ceramics, micron-class superfine Hardmetal materials and caking agent at alloy strengthening coat of cutting edge roundness formation with laser melting and coating technique.Described micron-class superfine Hardmetal materials is any of following four kinds of alloys, and it is composed as follows: first kind of alloy is made up of nano-sized carbon 10%, tungsten carbon alloy 15%, tungsten 10%, cobalt 3~8%, carbon 2%, nickel 60%; Second kind of alloy is made up of nano-sized carbon 10%, nano ceramics 10%, tungsten 12~18%, cobalt 2~8%, nickel 60% and micro-tungsten carbon alloy; The third alloy is made up of nano-sized carbon 10%, nano ceramics 10%, tungsten 12~18%, cobalt 2~8%, nickel 60% and micro-aluminium sesquioxide; The 4th kind of alloy is made up of tungsten carbon alloy 55~70%, tungsten 0.5~1%, cobalt 5~20%, carbon 2%, molybdenum 1~2%, chromium 5~20%.It is as follows in the processing of cutter cutting edge to be carried out the laser technical parameters of Laser Cladding Treatment: for the cutter of cutter hub thickness≤2mm, and laser machine cladding power 4 ~ 5KW, speed 3~4mm/min, hot spot 10*2 cools off cutting edge with water coolant; For the cutter of cutter hub thickness 〉=2mm, laser machine cladding power 3~4KW, speed 2~3mm/min, hot spot 10*2 cools off cutting edge with water coolant.Described Laser Cladding Treatment adopts CO2 crossing current laser, and with water coolant blade is cooled off, and then blade laser treatment face is carried out polished and cleaned and handles, and last low-temperaturetempering is finished the cutter manufacture craft.
Improved this cutter cutting edge produce one deck densification, evenly and with the alloying coat of matrix metallurgical binding, the thickness of coat does not wait from 20~1000 μ m according to the Application Areas scope of cutter, for kitchen cutter thickness is 20~80 μ m, is 0.2~1mm for industrial cutter alloying coat thickness such as gardens, bamboo wood, cut papers.Realize the gradient transition of hardness, stress and material, made that cutter is wear-resisting, shock resistance, sharp and coating difficult drop-off, thereby prolonged cutter life.
Description of drawings:
Fig. 1 embodiment of the invention 1 structural representation
Fig. 2 is the A-A sectional view of Fig. 1
The structural representation of Fig. 3 embodiment of the invention 2
Embodiment
Below in conjunction with Fig. 1 and Fig. 2 the embodiment of the invention is done one and describe in detail, this cutter (kitchen cutter) is made up of cutter hub 2, blade 1, handle of a knife 3 as shown in Figure 1, and the fractography structure of cutting edge roundness has coat 4 in the single face cladding of blade 1 as shown in Figure 2.Surface coating layer 4 hardness HV1000~1100, thickness: kitchen cutter 20~80 μ m, surface coating layer 4 width 4~20mm.Nanometer C Fibre diameter 5~50nm wherein, length 10~50 μ m are mainly and strengthen the hard ceramic fiber, and matrix is played the carburetting strengthening effect.Above alloy powder mix accounts for 20% and accounts for 80% with binding agent and constitute pasty state liquid.Technological process is made cutter blank according to routine, the little sword of the big sword of opening one side, and blade 1 is used alcohol, and clean-out systems such as rosin clean, and preheating cutter hub 2 back spraying hybrid alloys carry out Laser Cladding Treatment.Cutter hub 2 materials are martensite type stainless steels such as 3Cr13,4Cr13, the 5Cr15 of quenching attitude, and the specification of product is divided into 1*~8* by blade length (the longest position) difference, and A, B two classes are arranged, and its specification is with reference to QB/T1924-93 " kitchen knife " standard.Blade hardened zone area accounts for 80% of whole hardenability band 5 areas, tempering band 6 width≤0.2mm.
Strengthen band with cutter at the laser coating that close cutting edge place is increasing similar kitchen cutter for gardens, bamboo wood, bandwidth is 5~20mm, and it is the alloying cladding layer of 0.2~1mm that the alloy in the while coating infiltrates the top layer formation degree of depth.Cutter hub 2 materials adopt 40Cr, 40Mn, 65Mn, 60Si respectively 2Mn, 42CrMo put the first edge on a knife or a pair of scissors based on single face, see Fig. 3 example.
Embodiment 2, are example with the sloyd knife, and making step is described as follows:
1, cutter hub 9 plate shapings (the same) with common process, and leave allowance for finish;
2, cutting edge roundness 10 cleans or sandblast;
3, be coated with tailor-(made) coating at cutting edge 10 single faces, composition: mishmetal 10~20%, 10~20% alloys, binding agent 70~80%, main application is absorption and the top layer alloying that improves light, and wherein alloy composition is: WC 55~70%, Co 5~20%, Cr 5~20%, Mo 1~2%, W 0.5~1%, C 2%;
4, the laser treatment cutting edge 10, form thick alloy strengthening coat 7 of 0.2~1.0mm and the hardenability band 8 of 0.2~4mm, and laser processing parameter is as follows:
For the cutter of cutter hub thickness≤2mm, cutting edge power 4~5KW is handled in the cladding of laser machine, velocity of displacement 1~3mm/min, and hot spot 10*2 cools off cutting edge with water coolant; For the cutter of cutter hub thickness 〉=2mm, laser machine cladding power 3~4KW, speed 0.5~2mm/min, hot spot 10*2 cools off cutting edge with water coolant.
5, the sharpening that puts the first edge on a knife or a pair of scissors: the inside, laser place is finish grinded, puts the first edge on a knife or a pair of scissors from the laser treatment face, and in the future sharpening in the laser side that is untreated.
The present invention adopts Nano carbon fibers peacekeeping superfine Wimet to carry out the quick cladding of thin layer at blade 1, obtain coating evenly, the cutting edge roundness 1 of high abrasion.Improve the hardness and the wear resistance of cutting edge roundness 1, make cutting edge roundness coat 4 fine and close, even, wear-resisting and and the problem of aspect such as matrix generation metallurgical binding improve.

Claims (10)

1. a cutter comprises cutter hub, blade and handle of a knife, it is characterized in that the alloy strengthening coat that knife edge part is made up of the mixture of carbon nano fiber, nano ceramics, micron-class superfine Hardmetal materials and caking agent with laser melting coating.
2. a kind of cutter according to claim 1, the thickness that it is characterized in that blade alloy strengthening coat are 20~1000 μ m.
3. a kind of cutter according to claim 1, the width that it is characterized in that the blade coat is 4~20mm.
4. according to claim 1 or 2 or 3 described a kind of cutters, it is characterized in that the coat material nano carbon fiber diameter 5~50nm of knife edge part, length 10~50 μ m.
5. a kind of cutter according to claim 1 is characterized in that the caking agent in the knife edge part coat material is resol or varnish.
6. a kind of cutter according to claim 1 only is characterized in that in the single face cladding of blade the alloy strengthening coat being arranged.
7. the working method of a cutter, its manufacture craft process comprises the making cutter blank, the little sword of the big sword of opening one side, blade alcohol, clean-out systems such as rosin clean, at the face spraying hybrid alloys that puts the first edge on a knife or a pair of scissors, carry out Laser Cladding Treatment behind the preheating cutter hub, it is characterized in that knife edge part will scribble the mixture of carbon nano fiber, nano ceramics, micron-class superfine Hardmetal materials and caking agent at alloy strengthening coat of cutting edge roundness formation with laser melting and coating technique.
8. the working method of a kind of cutter according to claim 7, any that it is characterized in that described micron-class superfine Hardmetal materials is following four kinds of alloys, it is composed as follows: first kind of alloy is made up of nano-sized carbon 10%, tungsten carbon alloy 15%, tungsten 10%, cobalt 3~8%, carbon 2%, nickel 60%; Second kind of alloy is made up of nano-sized carbon 10%, nano ceramics 10%, tungsten 12~18%, cobalt 2~8%, nickel 60% and micro-tungsten carbon alloy; The third alloy is made up of nano-sized carbon 10%, nano ceramics 10%, tungsten 12~18%, cobalt 2~8%, nickel 60% and micro-aluminium sesquioxide; The 4th kind of alloy is made up of tungsten carbon alloy 55~70%, tungsten 0.5~1%, cobalt 5~20%, carbon 2%, molybdenum 1~2%, chromium 5~20%.
9. the working method of a kind of cutter according to claim 7, it is characterized in that described that cutting edge is carried out the laser technical parameters of Laser Cladding Treatment is as follows: for the cutter of cutter hub thickness≤2mm, cutting edge power 4~5KW is handled in the cladding of laser machine, velocity of displacement 3~4mm/min, hot spot 10*2 cools off cutting edge with water coolant; For the cutter of cutter hub thickness 〉=2mm, laser machine cladding power 3~4KW, speed 2~3mm/min, hot spot 10*2 cools off cutting edge with water coolant.
10. the working method of a kind of cutter according to claim 7 is characterized in that described Laser Cladding Treatment adopts CO2 crossing current laser, and with water coolant blade is cooled off.
CNB031078230A 2003-03-18 2003-03-18 Cutter and its processing method Expired - Fee Related CN100365166C (en)

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101940488A (en) * 2010-07-01 2011-01-12 王光良 Medical clamps and method for processing cutting edge of same
CN102912341A (en) * 2012-10-26 2013-02-06 沈阳航空航天大学 Method for repairing high-speed steel cutter by means of laser cladding
CN104387099A (en) * 2014-11-11 2015-03-04 合肥皖为电气设备工程有限责任公司 Heat-resistant ceramic for cutting tools and preparation method thereof
CN104647404A (en) * 2015-02-13 2015-05-27 武汉苏泊尔炊具有限公司 Tool and manufacture method thereof
CN104759724A (en) * 2015-05-07 2015-07-08 东北石油大学 Welding method for heating and connecting over-length hard alloy by using laser
WO2015138123A1 (en) * 2014-03-10 2015-09-17 Siemens Energy, Inc. Method of forming a melt pool comprising a superalloy material and carbon reinforcing structures via application of energy
CN105081377A (en) * 2015-08-10 2015-11-25 江苏塞维斯数控科技有限公司 Boring tool for numerical control machine tool
CN105287030A (en) * 2015-09-22 2016-02-03 杭州博华激光技术有限公司 Medical orthodontic clamp and processing method of cutting edge of medical orthodontic clamp
CN105538348A (en) * 2016-02-25 2016-05-04 武汉苏泊尔炊具有限公司 Cutter and manufacturing method thereof
CN106119838A (en) * 2016-08-12 2016-11-16 阳江市五金刀剪产业技术研究院 A kind of cutter utilizing laser melting and coating technique strengthening blade
CN107338437A (en) * 2017-07-05 2017-11-10 东南大学 A kind of laser melting coating graphene ceramics self-lubricating coat in use cutter and preparation method thereof
CN107428014A (en) * 2015-06-22 2017-12-01 京瓷株式会社 Cutter
CN107553069A (en) * 2017-08-18 2018-01-09 天津修船技术研究所(中国船舶重工集团公司第六三三研究所) A kind of manufacture method of cermet kitchen used knife tool
CN107635700A (en) * 2015-05-21 2018-01-26 山特维克知识产权股份有限公司 Produce for cutting, the method for the cutter of Drilling or breaking solid material and such cutter
CN108505039A (en) * 2018-06-07 2018-09-07 清华大学天津高端装备研究院洛阳先进制造产业研发基地 A kind of method of sugarcane root cutter laser alloying
CN109504967A (en) * 2018-12-14 2019-03-22 山东裕德激光科技有限公司 A method of using laser machine to metal material surface intensive treatment
WO2019056227A1 (en) * 2017-09-20 2019-03-28 杭州巨星科技股份有限公司 Tool having cutting blade and manufacturing method therefor
CN110202156A (en) * 2019-06-20 2019-09-06 蓬莱市超硬复合材料有限公司 A kind of preparation method of nonmetallic processing hard alloy cutter basis material
CN110394830A (en) * 2018-04-24 2019-11-01 武汉苏泊尔炊具有限公司 The processing method of cutter and the cutter
EP3476525A4 (en) * 2016-06-23 2019-11-20 BMAN Manufacturing (Zhe Jiang) Co., Ltd. Method for manufacturing ultra-hard and wear-resistant composite blade
CN110524103A (en) * 2019-07-31 2019-12-03 杭州电子科技大学 A kind of high rigidity surface micro-structure and preparation method thereof and device being implanted into carbon fiber
CN111055308A (en) * 2019-10-24 2020-04-24 黄发强 Blade structure, manufacturing method of blade structure and kitchen knife
US20200189009A1 (en) * 2016-11-14 2020-06-18 Mitsubishi Gas Chemical Company, Inc. Material for built-up edge formation and built-up edge formation method
CN114473403A (en) * 2021-12-22 2022-05-13 马鞍山市申力特重工机械股份有限公司 Manufacturing process of steel rolling plate shearing thick and long knife

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US5920760A (en) * 1994-05-31 1999-07-06 Mitsubishi Materials Corporation Coated hard alloy blade member
CN2606665Y (en) * 2003-03-18 2004-03-17 浙江工业大学 Cutting tool

Cited By (33)

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Publication number Priority date Publication date Assignee Title
CN101940488B (en) * 2010-07-01 2011-11-30 王光良 Medical clamps and method for processing cutting edge of same
CN101940488A (en) * 2010-07-01 2011-01-12 王光良 Medical clamps and method for processing cutting edge of same
CN102912341A (en) * 2012-10-26 2013-02-06 沈阳航空航天大学 Method for repairing high-speed steel cutter by means of laser cladding
US9446480B2 (en) 2014-03-10 2016-09-20 Siemens Energy, Inc. Reinforced cladding
WO2015138123A1 (en) * 2014-03-10 2015-09-17 Siemens Energy, Inc. Method of forming a melt pool comprising a superalloy material and carbon reinforcing structures via application of energy
CN104387099A (en) * 2014-11-11 2015-03-04 合肥皖为电气设备工程有限责任公司 Heat-resistant ceramic for cutting tools and preparation method thereof
CN104647404A (en) * 2015-02-13 2015-05-27 武汉苏泊尔炊具有限公司 Tool and manufacture method thereof
CN104759724A (en) * 2015-05-07 2015-07-08 东北石油大学 Welding method for heating and connecting over-length hard alloy by using laser
CN107635700A (en) * 2015-05-21 2018-01-26 山特维克知识产权股份有限公司 Produce for cutting, the method for the cutter of Drilling or breaking solid material and such cutter
CN107428014B (en) * 2015-06-22 2019-06-04 京瓷株式会社 Cutter
CN107428014A (en) * 2015-06-22 2017-12-01 京瓷株式会社 Cutter
CN105081377A (en) * 2015-08-10 2015-11-25 江苏塞维斯数控科技有限公司 Boring tool for numerical control machine tool
CN105287030B (en) * 2015-09-22 2019-04-05 杭州博华激光技术有限公司 A kind of processing method of the abnormal positive pincers of Medical oral cavity and the abnormal positive pincers edge of a knife of Medical oral cavity
CN105287030A (en) * 2015-09-22 2016-02-03 杭州博华激光技术有限公司 Medical orthodontic clamp and processing method of cutting edge of medical orthodontic clamp
CN105538348B (en) * 2016-02-25 2018-11-06 武汉苏泊尔炊具有限公司 The manufacturing method of cutter and the cutter
CN105538348A (en) * 2016-02-25 2016-05-04 武汉苏泊尔炊具有限公司 Cutter and manufacturing method thereof
EP3476525A4 (en) * 2016-06-23 2019-11-20 BMAN Manufacturing (Zhe Jiang) Co., Ltd. Method for manufacturing ultra-hard and wear-resistant composite blade
CN106119838A (en) * 2016-08-12 2016-11-16 阳江市五金刀剪产业技术研究院 A kind of cutter utilizing laser melting and coating technique strengthening blade
CN106119838B (en) * 2016-08-12 2022-02-11 阳江市五金刀剪产业技术研究院 Cutter for strengthening cutting edge by laser cladding technology
US11819930B2 (en) * 2016-11-14 2023-11-21 Mitsubishi Gas Chemical Company, Inc. Material for built-up edge formation and built-up edge formation method
US20200189009A1 (en) * 2016-11-14 2020-06-18 Mitsubishi Gas Chemical Company, Inc. Material for built-up edge formation and built-up edge formation method
CN107338437A (en) * 2017-07-05 2017-11-10 东南大学 A kind of laser melting coating graphene ceramics self-lubricating coat in use cutter and preparation method thereof
CN107338437B (en) * 2017-07-05 2019-03-12 东南大学 A kind of laser melting coating graphene-ceramics self-lubricating coat in use cutter and preparation method thereof
CN107553069A (en) * 2017-08-18 2018-01-09 天津修船技术研究所(中国船舶重工集团公司第六三三研究所) A kind of manufacture method of cermet kitchen used knife tool
WO2019056227A1 (en) * 2017-09-20 2019-03-28 杭州巨星科技股份有限公司 Tool having cutting blade and manufacturing method therefor
CN110394830A (en) * 2018-04-24 2019-11-01 武汉苏泊尔炊具有限公司 The processing method of cutter and the cutter
CN108505039A (en) * 2018-06-07 2018-09-07 清华大学天津高端装备研究院洛阳先进制造产业研发基地 A kind of method of sugarcane root cutter laser alloying
CN109504967A (en) * 2018-12-14 2019-03-22 山东裕德激光科技有限公司 A method of using laser machine to metal material surface intensive treatment
CN110202156A (en) * 2019-06-20 2019-09-06 蓬莱市超硬复合材料有限公司 A kind of preparation method of nonmetallic processing hard alloy cutter basis material
CN110524103A (en) * 2019-07-31 2019-12-03 杭州电子科技大学 A kind of high rigidity surface micro-structure and preparation method thereof and device being implanted into carbon fiber
CN111055308A (en) * 2019-10-24 2020-04-24 黄发强 Blade structure, manufacturing method of blade structure and kitchen knife
CN114473403A (en) * 2021-12-22 2022-05-13 马鞍山市申力特重工机械股份有限公司 Manufacturing process of steel rolling plate shearing thick and long knife
CN114473403B (en) * 2021-12-22 2022-11-29 马鞍山市申力特重工机械股份有限公司 Manufacturing process of steel rolling plate shearing thick and long knife

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