CN105506530A - Mold surface composite strengthening method - Google Patents
Mold surface composite strengthening method Download PDFInfo
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- CN105506530A CN105506530A CN201510928680.8A CN201510928680A CN105506530A CN 105506530 A CN105506530 A CN 105506530A CN 201510928680 A CN201510928680 A CN 201510928680A CN 105506530 A CN105506530 A CN 105506530A
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- Prior art keywords
- coating
- mould
- die
- reinforcing method
- surface recombination
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/18—After-treatment
Abstract
The invention discloses a mold surface composite strengthening method. The mold surface composite strengthening method comprises the steps of: tool protection, rough cleaning treatment of a surface to be strengthened, coating of a coating layer, preheating inductive melt coating, rolling hardening, subsequent finish processing and quality inspection warehousing. The mold surface composite strengthening method unifies the preheating inductive melt coating process with the rolling hardening process to realize double-stage strengthening treatment of a mold surface, so that such mechanical performances as hardness and wear resistance of the coating layer obtain two-stage promotion; and a basal body of a mold and the coating layer realize metallurgical bonding, so that the stripping of the coating layer is effectively prevented, the service life of the mold is prominently prolonged, and the economic benefit and the energy saving effect are excellent. The mold surface composite strengthening method not only can be used for strengthening a new product of the mold, but also can be used for remanufacturing an old product of the mold.
Description
Technical field
The invention belongs to die surface strengthening technical field, relate to a kind of surface reinforcing method, especially a kind of surface recombination reinforcing method of mould.
Background technology
Die & mold treatment and surface strengthening are one of critical processes in Making mold, are directly connected to the manufacturing accuracy of mould, mechanical property (as intensity etc.), work-ing life and manufacturing cost, are to ensure die quality and the important step in work-ing life.In China, due to existing defects in mould wearing and tearing in use, physical abuse and castingprocesses, easily produce unacceptable product and mould invalidation, the financial loss caused every year reaches billions of Renminbi.Therefore, must repair and surface strengthening mould.Disclosed " laser repair method of mould " application publication number: the CN104762617A of State Patent Office.This invention adopts the mode of laser melting coating to form overlay cladding to the surface of flaring die to be repaired.But, adopt the method for laser melting coating to repair and surface strengthening mould.But laser cladding method exists that efficiency is low, intensity is low, cladding layer is easy to crack and the problem such as cost is high.
At present; the method of mould repair and surface strengthening also has usually: (1) electroplates: have the advantages such as technical maturity, cost be lower; but it is thinner that weak point is coating, poor with the bonding force of mould, the position that face damage is larger is difficult to repair and have pollution to environment.(2) built-up welding: conventional overlaying method has soldering, electric-arc welding, shielded welding, plasma arc welding etc., during built-up welding, heat input is large, causes the mold hot zone of influence large and yielding.(3) thermospray: technique is simple, but coating easily produces pore, and there is the shortcomings such as bonding strength between coating and mould is low.
Therefore, the broken parts of mould is repaired and surface strengthening is carried out to mould, and then to improve the mold use life-span be problem demanding prompt solution in Making mold and use procedure.
Summary of the invention
The present invention is directed to deficiency of the prior art, provide a kind of surface recombination reinforcing method of mould, induction cladding technology and hard rolling technique are combined, Ni-based or the iron-based of one deck or Co-based alloy coating is prepared at mould position to be fortified, both made to form strong metallurgical binding between coating and matrix, efficiently avoid disbonding, significantly improve again the hardness of mould, wear resistance, solidity to corrosion and high temperature oxidation resistance, its mechanical property is significantly strengthened, work-ing life is greatly enhanced, significantly reduce mould to use and running cost, reach the object of die surface strengthening.
For achieving the above object, the present invention adopts following technical scheme:
A surface recombination reinforcing method for mould, comprises the following steps:
1) frock protection is carried out to mould non-coated position, make non-coated position avoid sandblasting destroys;
2) the clean roughened of sandblasting is carried out to mould surface to be fortified, make portion faces degreasing and rust removal to be coated, and roughening, reach the requirement of sa3.2; In sandblasting, sand used is Brown Alundum or silicon carbide, and its grain graininess is 14 ~ 30 orders;
3) adopt ni-based self-fluxing alloy powdered alloy or cobalt-based self-fluxing alloyed powder, adopt flame spraying process, treat coating position and prepare coating;
4) preheating induction cladding is carried out to the position forming coating, realize the metallurgical binding of coating and die matrix, make coating fine and close, and reach the coating hardness of regulation;
5) adopt rolling technology, hard rolling process is carried out to coating, coating hardness and compactness are promoted further;
6) subsequent fine processing, reaches the technical requirementss such as the size of regulation, precision, surfaceness.
7) quality inspection warehouse-in.
Further, for cold-work die, choose nickel base self-fluxing alloy powder, powder size: 150 ~ 320 orders.According to coating hardness classification, all coating hardness formed through induction cladding that belongs to reach nickel base self-fluxing alloy powder between HCR50 ~ 65 and all can select.
For the cutting die in cold-work die, cold extruding die, cold heading die, drawing die, shaping mould, the ni-based self-fluxing alloy composition preferentially selected is: C:0.5 ~ 1.1wt.%, Si:3.5 ~ 5.5wt.%, B:3.0 ~ 4.5wt.%, Cr:14 ~ 20wt.%, Fe :≤17.wt.%, surplus: Ni.
For glass mold, mould of plastics, because containing hard particles in glass or plastics, requiring to bear abrasive wear resistance, preferentially selecting with the nickel base self-fluxing alloy powder containing wolfram varbide, wherein, wolfram varbide occupies the weight percent of nickel base self-fluxing alloy powder: 30 ~ 50wt.%.
Further, for hot-work die, the granularity of the Co-based alloy powder selected is 150 ~ 320 orders, its composition: C:0.8 ~ 1.7wt.%, B:0.5 ~ 3.5wt.%, Si:1.5 ~ 4.5wt.%, Cr:16 ~ 20wt.%, Fe :≤15wt.%, Ni:10 ~ 29wt.%, surplus: Co.
Further, after precision work, coat-thickness is D=0.15 ~ 2mm, the coat-thickness D1=D* [1+ (0.2 ~ 0.4) %] after flame plating.
Further, induction cladding technique is divided into three steps:
A) preheating is carried out, preheat temperature range to the die surface forming coating: 200 ~ 600 DEG C;
B) re melting process is carried out to coating, for Co-based alloy powder, coating remelting temperature: 900 ~ 1100 DEG C; For iron-based and Co-based powder, coating remelting temperature: 1050 ~ 1200 DEG C;
C), after insulation is cooled to 400 DEG C, room temperature is naturally cooled to.
Further, the equipment for preheating and inducting remolten is induction heating equipment, its operating frequency: 10 ~ 30KHZ, and according to shape, the size of mould, its plant capacity is: 40 ~ 500KVA.
Further, rolling technology is divided into two steps:
A) adopt induction heating, workpiece is preheated to 300 ~ 500 DEG C;
B) roll extrusion process is carried out to coating, add between roll extrusion power 5000 ~ 200000N, the 5 ~ 15HRC higher than the hardness of induction cladding layer of the coating hardness after roll extrusion;
Beneficial effect of the present invention: by preheating induction cladding technique and the unification mutually of hard rolling technique, achieve die surface twin-stage intensive treatment, make the mechanical properties such as the hardness of coating, wear resistance obtain two-stage to promote, metallurgical binding is achieved between die matrix and coating, interface binding power reaches 300 ~ 450Ma, effectively prevent disbonding, considerably enhance the mold use life-span, thus there is good economic benefit, energy-saving effect.Adopt the present invention, both may be used for the new product strengthening of mould, the old product that also can be used for mould manufacture again.
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
Embodiment 1: the surface recombination reinforcing process of cold-work die
Here the press tool of cold-work die is selected to carry out surface recombination reinforcing process, its concrete technology step:
1) frock protection is carried out to mould non-coated position, make non-coated position avoid sandblasting destroys;
2) the clean roughened of sandblasting is carried out to mould surface to be fortified, make portion faces degreasing and rust removal to be coated, and roughening, reach the requirement of sa3.2; In sandblasting, sand used is Brown Alundum or silicon carbide, and its grain graininess is 14 ~ 16 orders;
3) nickel base self-fluxing alloy powder used is chosen, adopt flame spraying process, treat coating position and prepare coating, nickel base self-fluxing alloy powder granularity: 150 ~ 320 orders, its composition: C:0.5 ~ 1.1wt.%, Si:3.5 ~ 5.5wt.%, B:3.0 ~ 4.5wt.%, Cr:15 ~ 20wt.%, Fe :≤5wt.%, surplus: Ni, the coat-thickness of deposition: 1.2mm;
4) preheating induction cladding is carried out to the position forming coating, induction warm operation frequency: 12KHZ, adopts cyclic preheat mode, coatingsurface is preheated to 300 DEG C; Induction cladding operating frequency: 16KHZ, molten painting temperature: 1020 DEG C, molten painting power: 140KVA, the coating hardness after preheating induction cladding: HRC58 ~ 64;
5) adopt rolling technology, carry out hard rolling process to coating, add roll extrusion power: 150000N, the coating hardness after hard rolling is: HRC63 ~ 68;
6) subsequent fine processing, reaches the size of regulation, precision, surfaceness technical requirements;
7) quality inspection warehouse-in.
Embodiment 2: the surface recombination reinforcing process of glass mold
Its concrete technology step:
1) frock protection is carried out to non-coated position, make non-coated position avoid sandblasting destroys;
2) the clean roughened of sandblasting is carried out to mould surface to be fortified, make portion faces degreasing and rust removal to be coated, and roughening, reach the requirement of sa3.2; In sandblasting, sand used is Brown Alundum or silicon carbide, and its grain graininess is 16 ~ 18 orders;
3) choose the nickel base self-fluxing alloy powder containing wolfram varbide used, adopt flame spraying process, treat coating position and prepare coating; Powder size: 150 ~ 320 orders, its nickel-base alloy composition: C:0.5 ~ 1.1wt.%, Si:3.5 ~ 5.5wt.%, B:3.0 ~ 4.5wt.%, Cr:15 ~ 20wt.%, Fe :≤5wt.%, surplus: Ni; Tungsten-carbide powder accounts for powdered alloy per-cent: 35wt.%, the coat-thickness of deposition: 1.0mm;
4) preheating induction cladding is carried out to the position forming coating, induction warm operation frequency: 14KHZ, adopts cyclic preheat mode, coatingsurface is preheated to 250 DEG C; Induction cladding operating frequency: 19KHZ, molten painting temperature: 1020 DEG C, molten painting power: 170KVA, the coating hardness after preheating induction cladding: HRC58 ~ 62;
5) adopt rolling technology, carry out hard rolling process to coating, add roll extrusion power: 200000N, the coating hardness after hard rolling is: HRC61 ~ 67;
6) subsequent fine processing, reaches the technical requirementss such as the size of regulation, precision, surfaceness.
7) quality inspection warehouse-in.
Embodiment 3: the surface recombination reinforcing process of hot-work die
Its concrete technology step:
1) frock protection is carried out to non-coated position, make non-coated position avoid sandblasting destroys;
2) the clean roughened of sandblasting is carried out to mould surface to be fortified, make portion faces degreasing and rust removal to be coated, and roughening, reach the requirement of sa3.2; In sandblasting, sand used is Brown Alundum or silicon carbide, and its grain graininess is 16 ~ 18 orders;
3) cobalt-based self-fluxing alloyed powder used is chosen, adopt flame spraying process, treat coating position and prepare coating, powder size: 150 ~ 320 orders, its cobalt base alloy composition: C:0.7 ~ 1.4wt.%, Si:3.5 ~ 4.0wt.%, B:2.0 ~ 3.5wt.%, Cr:18 ~ 20wt.%, Ni:26 ~ 60wt.%, Fe :≤12wt.%, surplus: Co, the coat-thickness of deposition: 1.5mm;
4) preheating induction cladding is carried out to the position forming coating, induction warm operation frequency: 16KHZ, adopts cyclic preheat mode, coatingsurface is preheated to 350 DEG C; Induction cladding operating frequency: 12KHZ, molten painting temperature: 1150 DEG C, molten painting power: 290KVA, the coating hardness after preheating induction cladding: HRC51 ~ 54;
5) adopt rolling technology, carry out hard rolling process to coating, add roll extrusion power: 200000N, the coating hardness after hard rolling is: HRC58 ~ 63;
6) subsequent fine processing, reaches the technical requirementss such as the size of regulation, precision, surfaceness.
7) quality inspection warehouse-in.
The above is only several preferably embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement, these improvement also should be considered as protection scope of the present invention.
Claims (10)
1. a surface recombination reinforcing method for mould, comprises the following steps:
1) frock protection: frock protection is carried out to mould non-coated position, makes non-coated position avoid sandblasting destroys;
2) the purifying process of surface irregularity to be fortified: carry out the clean roughened of sandblasting to mould surface to be fortified, make portion faces degreasing and rust removal to be coated, and roughening, reach the requirement of sa3.2; In sandblasting, sand used is Brown Alundum or silicon carbide, and its grain graininess is 14 ~ 30 orders;
3) applying coating: adopt nickel base self-fluxing alloy powder or cobalt-based self-fluxing alloyed powder, adopts flame spraying process, treats coating position and prepares coating; Preheating induction cladding is carried out to the position forming coating, realizes the metallurgical binding of coating and die matrix, make coating fine and close, and reach the coating hardness of regulation;
4) hard rolling: adopt rolling technology, hard rolling process is carried out to coating, coating hardness and compactness are promoted further;
5) subsequent fine processing, reaches the size of regulation, precision, surfaceness technical requirements;
6) quality inspection warehouse-in.
2. the surface recombination reinforcing method of a kind of mould according to claim 1, is characterized in that: for cold-work die, adopts nickel base self-fluxing alloy powder, powder size: 150 ~ 320 orders.
3. the surface recombination reinforcing method of a kind of mould according to claim 2, it is characterized in that: for the cutting die in cold-work die, cold extruding die, cold heading die, drawing die, shaping mould, the ni-based self-fluxing alloy composition that applying coating adopts is: C:0.5 ~ 1.1wt.%, Si:3.5 ~ 5.5wt.%,: 3.0 ~ 4.5wt.%, Cr:14 ~ 20wt.%, Fe :≤17.wt.%, surplus: Ni.
4. the surface recombination reinforcing method of a kind of mould according to claim 1, it is characterized in that: for glass mold, mould of plastics, applying coating adopts with the nickel base self-fluxing alloy powder containing wolfram varbide, wherein, wolfram varbide occupies the weight percent of nickel base self-fluxing alloy powder: 30 ~ 50wt.%.
5. the surface recombination reinforcing method of a kind of mould according to claim 1, it is characterized in that: for hot-work die, the Co-based alloy powder that applying coating adopts, granularity is 150 ~ 320 orders, its composition: C:0.8 ~ 1.7wt.%, B:0.5 ~ 3.5wt.%, Si:1.5 ~ 4.5wt.%, Cr:16 ~ 20wt.%, Fe :≤15wt.%, Ni:10 ~ 29wt.%, surplus: Co.
6. the surface recombination reinforcing method of a kind of mould according to claim 1, is characterized in that: after precision work, coat-thickness is D=0.15 ~ 2mm, the coat-thickness D1=D* [1+ (0.2 ~ 0.4) %] after flame plating.
7. the surface recombination reinforcing method of a kind of mould according to claim 1, is characterized in that: described preheating induction cladding technique is divided into three steps: a) carry out preheating, preheat temperature range to the die surface forming coating: 200 ~ 600 DEG C; B) re melting process is carried out to coating, for Co-based alloy powder, coating remelting temperature: 900 ~ 1100 DEG C; For iron-based and Co-based powder, coating remelting temperature: 1050 ~ 1200 DEG C; C), after insulation is cooled to 400 DEG C, room temperature is naturally cooled to.
8. the surface recombination reinforcing method of a kind of mould according to claim 1, it is characterized in that: the equipment for preheating and inducting remolten is induction heating equipment, its operating frequency: 10 ~ 30KHZ, according to shape, the size of mould, its plant capacity is: 40 ~ 500KVA.
9. the surface recombination reinforcing method of a kind of mould according to claim 1, is characterized in that: described rolling technology is divided into two steps: a) adopt induction heating, workpiece is preheated to 300 ~ 500 DEG C; B) roll extrusion process is carried out to coating, add between roll extrusion power 5000 ~ 200000N, the 5 ~ 15HRC higher than the hardness of induction cladding layer of the coating hardness after roll extrusion.
10. the surface recombination reinforcing method of a kind of mould according to claim 1, is characterized in that: the old product of new product strengthening or mould that this enhancement method is used as mould manufacture again.
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| CN201510928680.8A CN105506530A (en) | 2015-12-15 | 2015-12-15 | Mold surface composite strengthening method |
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| CN201510928680.8A CN105506530A (en) | 2015-12-15 | 2015-12-15 | Mold surface composite strengthening method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702304A (en) * | 2017-01-22 | 2017-05-24 | 石家庄市藁城区北创刀具有限公司 | Preparation method of wear-resisting layers of tool special for green fodder |
| CN109267071A (en) * | 2018-10-15 | 2019-01-25 | 深圳市宏达鑫精密模具制品有限公司 | A kind of die surface derusts technique |
| CN109468571A (en) * | 2018-10-12 | 2019-03-15 | 翟长生 | A kind of shift fork wear surface while molten Tu Zengcai intensifying method |
| CN109927215A (en) * | 2019-04-04 | 2019-06-25 | 滁州益佳模具设备制造有限公司 | A kind of surface treatment method of foaming mould |
| US10384311B2 (en) | 2017-05-22 | 2019-08-20 | Citic Dicastal Co., Ltd. | Spinning roller surface laser reinforced processing forming method |
| CN110195205A (en) * | 2019-07-12 | 2019-09-03 | 中国矿业大学徐海学院 | A kind of preparation method of material surface anticorrosion antiwear alloy coat |
| CN111058037A (en) * | 2019-12-31 | 2020-04-24 | 杭州彰钰不锈钢有限公司 | Corrosion-resistant stainless steel pipe and preparation method thereof |
| CN111945146A (en) * | 2020-08-19 | 2020-11-17 | 常熟市市南模具有限责任公司 | Glass mold inner cavity surface treatment method |
| CN113840932A (en) * | 2019-05-23 | 2021-12-24 | 东洋制罐集团控股株式会社 | Ni-based self-fluxing alloy, glass-producing member using Ni-based self-fluxing alloy, mold using glass-producing member, and glass block-conveying member |
| CN114921743A (en) * | 2022-05-23 | 2022-08-19 | 广东粤科新材料科技有限公司 | Method for prolonging service life of pressure chamber and injection head of die-casting machine by using composite coating |
| CN114990464A (en) * | 2022-05-27 | 2022-09-02 | 扬州市江都区三和涂装设备有限公司 | Hot-spraying workpiece automatic heating system with intelligent temperature control function |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911579A (en) * | 2014-04-01 | 2014-07-09 | 焦作市华科液压机械制造有限公司 | Process for induction pre-heating cladding of thin layer |
-
2015
- 2015-12-15 CN CN201510928680.8A patent/CN105506530A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911579A (en) * | 2014-04-01 | 2014-07-09 | 焦作市华科液压机械制造有限公司 | Process for induction pre-heating cladding of thin layer |
Non-Patent Citations (3)
| Title |
|---|
| 周庆生: "《氧乙炔焰喷涂（焊）技术》", 30 September 1985, 江苏科学技术出版社 * |
| 李二兴: "液压支架活塞杆表面防护层的制备与组织性能研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
| 李金桂等: "《防腐蚀表面工程技术》", 31 January 2003, 化学工业出版社 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702304A (en) * | 2017-01-22 | 2017-05-24 | 石家庄市藁城区北创刀具有限公司 | Preparation method of wear-resisting layers of tool special for green fodder |
| US10384311B2 (en) | 2017-05-22 | 2019-08-20 | Citic Dicastal Co., Ltd. | Spinning roller surface laser reinforced processing forming method |
| CN109468571A (en) * | 2018-10-12 | 2019-03-15 | 翟长生 | A kind of shift fork wear surface while molten Tu Zengcai intensifying method |
| CN109267071A (en) * | 2018-10-15 | 2019-01-25 | 深圳市宏达鑫精密模具制品有限公司 | A kind of die surface derusts technique |
| CN109927215A (en) * | 2019-04-04 | 2019-06-25 | 滁州益佳模具设备制造有限公司 | A kind of surface treatment method of foaming mould |
| CN113840932A (en) * | 2019-05-23 | 2021-12-24 | 东洋制罐集团控股株式会社 | Ni-based self-fluxing alloy, glass-producing member using Ni-based self-fluxing alloy, mold using glass-producing member, and glass block-conveying member |
| CN110195205A (en) * | 2019-07-12 | 2019-09-03 | 中国矿业大学徐海学院 | A kind of preparation method of material surface anticorrosion antiwear alloy coat |
| CN111058037A (en) * | 2019-12-31 | 2020-04-24 | 杭州彰钰不锈钢有限公司 | Corrosion-resistant stainless steel pipe and preparation method thereof |
| CN111945146A (en) * | 2020-08-19 | 2020-11-17 | 常熟市市南模具有限责任公司 | Glass mold inner cavity surface treatment method |
| CN114921743A (en) * | 2022-05-23 | 2022-08-19 | 广东粤科新材料科技有限公司 | Method for prolonging service life of pressure chamber and injection head of die-casting machine by using composite coating |
| CN114990464A (en) * | 2022-05-27 | 2022-09-02 | 扬州市江都区三和涂装设备有限公司 | Hot-spraying workpiece automatic heating system with intelligent temperature control function |
| CN114990464B (en) * | 2022-05-27 | 2023-12-29 | 扬州轩业电热电器有限公司 | Automatic heating system for intelligent temperature-controlled thermal spraying workpiece |
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