CN107383870A - A kind of manufacture method of mould - Google Patents

A kind of manufacture method of mould Download PDF

Info

Publication number
CN107383870A
CN107383870A CN201710485550.0A CN201710485550A CN107383870A CN 107383870 A CN107383870 A CN 107383870A CN 201710485550 A CN201710485550 A CN 201710485550A CN 107383870 A CN107383870 A CN 107383870A
Authority
CN
China
Prior art keywords
parts
weight
mould
manufacture method
mould according
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
CN201710485550.0A
Other languages
Chinese (zh)
Inventor
徐�明
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.)
Suzhou Ai Kumahe Device Fabrication Co Ltd
Original Assignee
Suzhou Ai Kumahe Device Fabrication 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 Suzhou Ai Kumahe Device Fabrication Co Ltd filed Critical Suzhou Ai Kumahe Device Fabrication Co Ltd
Priority to CN201710485550.0A priority Critical patent/CN107383870A/en
Publication of CN107383870A publication Critical patent/CN107383870A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/08Metals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • C08K3/36Silica
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/04Condensation polymers of aldehydes or ketones with phenols only
    • C08L61/16Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/04Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/04Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08L79/08Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/56Electroplating: Baths therefor from solutions of alloys
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48After-treatment of electroplated surfaces
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/08Metals
    • C08K2003/085Copper
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/08Metals
    • C08K2003/0856Iron
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2244Oxides; Hydroxides of metals of zirconium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of manufacture method of mould, comprise the following steps:S1, the configuration mould raw material;S2, feed components in S1, which are polished, to be crushed;S3, feed components are added sequentially to melting in smelting furnace in parts by weight;S4, it will be poured in S2 in obtained melting liquid injection master tooling;S5, the mould being made in step S4 quenched and temper, be subsequently placed in room temperature environment and cool down;S6, obtained mould in step S5 is immersed in electroplate liquid and electroplated;S7, blasting treatment is carried out to obtained die surface in step S6.By the above-mentioned means, present invention process is simple, it is possible to increase the tensile strength of mould, improves the production product quality of mould, and the outward appearance of mould is more excellent.

Description

A kind of manufacture method of mould
Technical field
The invention belongs to machining technology field, more particularly to a kind of manufacture method of mould.
Background technology
Mould, in industrial production being molded, being blow molded, extruding, die casting or obtain the methods of forging forming, smelting, punching press The various moulds and instrument of required product.In brief, mould is the instrument for formed article, and this instrument is by various parts Form, different moulds is made up of different parts.It mainly realizes article by the change of institute's moulding material physical state The processing of profile.It is known as the title of " industry is female ".The species of mould is a lot, can be divided into according to processing object and processing technology: Process the mould and the mould of machining of non-metallic and powder metallurgy of metal.
Metal die be typically all formed with the pig iron or aluminum casting, when the operating temperature of mould is higher, can make hardness and Toughness declines, and causes mould premature abrasion or produces fatigue fracture and fail.Particularly moulding plastic product or during part, due to The elements such as chlorine, fluorine in plastics be present, the vigorous erosion gas such as HCL, HF can be decomposited after heated, corrode mold cavity surface, add Its big surface roughness, unstable wear failure.
The content of the invention
The present invention solves the technical problem of a kind of manufacture method of mould is provided, technique is simple, it is possible to increase mould The tensile strength of tool, the production product quality of mould is improved, and the outward appearance of mould is more excellent.
In order to solve the above technical problems, one aspect of the present invention is:A kind of manufacture method of mould is provided, Comprise the following steps:
S1, the configuration mould raw material, including:The parts by weight of silica are 3-6 parts, the parts by weight of nitrogen Parts by weight for 4-6 parts, copper are 2-3 parts, the parts by weight of ferro element are 3-5 parts, the parts by weight of tin element are 5-8 Part, the parts by weight of zirconium oxide are 3-5 parts, the parts by weight of organic resin are 40-60 parts, the parts by weight of surfactant are 1-6 parts, diatomaceous parts by weight are 2-5 parts, and surplus is water;
S2, feed components in S1, which are polished, to be crushed;
S3, feed components being added sequentially to melting in smelting furnace in parts by weight, smelting temperature is 1400-1600 DEG C, Smelting time is 2-4h;
S4, it will be poured in S3 in obtained melting liquid injection master tooling, placing temperature is 1200-1300 DEG C, sizing Time is 1-3h;
S5, the mould being made in step S4 quenched and temper, be subsequently placed in room temperature environment and cool down 2- 3h;
S6, obtained mould in step S5 is immersed in electroplate liquid and electroplated, electroplating time 30-60min;
S7, blasting treatment is carried out to obtained die surface in step S6.
Further say, the raw material of the mould includes:The parts by weight of silica are 5 parts, the parts by weight of nitrogen Number is 5 parts, the parts by weight of copper are 2 parts, the parts by weight of ferro element are 4 parts, the parts by weight of tin element are 7 parts, oxygen The parts by weight for changing zirconium are 4 parts, the parts by weight of organic resin are 50 parts, the parts by weight of surfactant are 3 parts, diatomite Parts by weight be 4 parts, surplus is water.
Further say, the organic resin in the step S1 is selected from polybenzimidazoles, polyether-ether-ketone or polyimides kind At least one.
Further say, the mode that the polishing in the step S2 crushes is ball mill grinding.
Further say, the hardening heat in the step S5 is 1000-1150 DEG C, and temperature is 500-600 DEG C.
Further say, the electroplating current in the step S6 is 300-400A, electroplating time 30-40min.
Further say, the electroplate liquid (pressing volume fraction) in the step S6 includes sodium stannate 20-30 parts, copper sulphate 30-50 parts, zinc chloride 1-3 parts, propane sulfonic acid tin 7-12 parts, surplus is water.
Further say, the sand-blast material (counting in parts by weight) in the step S7 includes alumdum 15-18 parts, quartz Sand 5-10 parts and carbon nano-fiber 5-8 parts.
The beneficial effects of the invention are as follows:The prices of raw materials selected by present invention manufacture mould are cheap and easily purchase, can Reduce production cost;The manufacture method of mould is reasonable in design and technological process is simple, it is possible to increase the production product quality of mould; The overall tensile strength of obtained mould is preferable, and outward appearance is more excellent, can extend the mold use life-span and with preferable Market prospects.
Embodiment
Presently preferred embodiments of the present invention is described in detail below so that advantages and features of the invention can be easier to by It will be appreciated by those skilled in the art that apparent clearly defined so as to be made to protection scope of the present invention.
Embodiment 1:A kind of manufacture method of mould, the present invention comprise the following steps:
S1, the configuration mould raw material, including:
The parts by weight of silica are 5 parts, the parts by weight of nitrogen are 5 parts, the parts by weight of copper are 2 parts, The parts by weight of ferro element are 4 parts, the parts by weight of tin element are 7 parts, the parts by weight of zirconium oxide are 4 parts, organic resin Parts by weight are 50 parts, the parts by weight of surfactant are 3 parts, diatomaceous parts by weight are 4 parts, and surplus is water;
S2, feed components in S1, which are polished, to be crushed;
S3, feed components being added sequentially to melting in smelting furnace in parts by weight, smelting temperature is 1400-1600 DEG C, Smelting time is 2-4h;
S4, it will be poured in S3 in obtained melting liquid injection master tooling, placing temperature is 1200-1300 DEG C, sizing Time is 1-3h;
S5, the mould being made in step S4 quenched and temper, be subsequently placed in room temperature environment and cool down 2- 3h;
S6, obtained mould in step S5 is immersed in electroplate liquid and electroplated, electroplating time 30-60min;
S7, blasting treatment is carried out to obtained die surface in step S6.
Organic resin in the step S1 is selected from least one of polybenzimidazoles, polyether-ether-ketone or polyimides kind.
The mode that polishing in the step S2 crushes is ball mill grinding.
Hardening heat in the step S5 is 1000-1150 DEG C, and temperature is 500-600 DEG C.
Electroplating current in the step S6 is 300-400A, electroplating time 30-40min.
Electroplate liquid (pressing volume fraction) in the step S6 includes sodium stannate 20-30 parts, copper sulphate 30-50 parts, chlorine Change zinc 1-3 parts, propane sulfonic acid tin 7-12 parts, surplus is water.
Sand-blast material (in parts by weight count) in the step S7 include alumdum 15-18 parts, quartz sand 5-10 parts and Carbon nano-fiber 5-8 parts.
Embodiment 2:A kind of manufacture method of mould, substantially similar to Example 1, institute's difference is:The mould Raw material including silica parts by weight be 3 parts, the parts by weight of nitrogen are 6 parts, the parts by weight of copper are 3 Part, the parts by weight of ferro element are 3 parts, the parts by weight of tin element are 8 parts, the parts by weight of zirconium oxide are 5 parts, organic resin Parts by weight be 60 parts, the parts by weight of surfactant are 1 part, diatomaceous parts by weight are 5 parts, surplus is water.
Embodiment 3:A kind of manufacture method of mould, substantially similar to Example 1, institute's difference is:Silica Parts by weight be 6 parts, the parts by weight of nitrogen are 4 parts, the parts by weight of copper are 2.5 parts, the parts by weight of ferro element Number is 5 parts, the parts by weight of tin element are 5 parts, the parts by weight of zirconium oxide are 3 parts, the parts by weight of organic resin are 40 parts, The parts by weight of surfactant are 6 parts, diatomaceous parts by weight are 2 parts, and surplus is water.
The operation principle of the present invention is as follows:The prices of raw materials selected by present invention manufacture mould are cheap and easily purchase, Production cost can be reduced;The manufacture method of mould is reasonable in design and technological process is simple, it is possible to increase the production product matter of mould Amount;The overall tensile strength of obtained mould is preferable, and outward appearance is more excellent, can extend the mold use life-span and with preferable Market prospects.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair The equivalent structure transformation that bright specification is made, or other related technical areas are directly or indirectly used in, similarly it is included in In the scope of patent protection of the present invention.

Claims (8)

  1. A kind of 1. manufacture method of mould, it is characterised in that:Comprise the following steps:
    S1, the configuration mould raw material, including:The parts by weight of silica are 3-6 parts, the parts by weight of nitrogen are 4- 6 parts, the parts by weight of copper be 2-3 parts, the parts by weight of ferro element are 3-5 parts, the parts by weight of tin element be 5-8 parts, The parts by weight of zirconium oxide are 3-5 parts, the parts by weight of organic resin are 40-60 parts, the parts by weight of surfactant are 1-6 Part, diatomaceous parts by weight are 2-5 parts, and surplus is water;
    S2, feed components in S1, which are polished, to be crushed;
    S3, feed components are added sequentially to melting in smelting furnace in parts by weight, smelting temperature is 1400-1600 DEG C, melting Time is 2-4h;
    S4, it will be poured in S3 in obtained melting liquid injection master tooling, placing temperature is 1200-1300 DEG C, shaping time For 1-3h;
    S5, the mould being made in step S4 quenched and temper, be subsequently placed in room temperature environment and cool down 2-3h;
    S6, obtained mould in step S5 is immersed in electroplate liquid and electroplated, electroplating time 30-60min;
    S7, blasting treatment is carried out to obtained die surface in step S6.
  2. A kind of 2. manufacture method of mould according to claim 1, it is characterised in that:The raw material of the mould includes:Two The parts by weight of silica are 5 parts, the parts by weight of nitrogen are 5 parts, the parts by weight of copper are 2 parts, the weight of ferro element Amount number is 4 parts, the parts by weight of tin element are 7 parts, the parts by weight of zirconium oxide are 4 parts, the parts by weight of organic resin are 50 parts, the parts by weight of surfactant be 3 parts, diatomaceous parts by weight be 4 parts, surplus is water.
  3. A kind of 3. manufacture method of mould according to claim 1, it is characterised in that:Organic resin in the step S1 At least one selected from polybenzimidazoles, polyether-ether-ketone or polyimides kind.
  4. A kind of 4. manufacture method of mould according to claim 1, it is characterised in that:Polishing in the step S2 crushes Mode be ball mill grinding.
  5. A kind of 5. manufacture method of mould according to claim 1, it is characterised in that:Hardening heat in the step S5 For 1000-1150 DEG C, temperature is 500-600 DEG C.
  6. A kind of 6. manufacture method of mould according to claim 1, it is characterised in that:Electroplating current in the step S6 For 300-400A, electroplating time 30-40min.
  7. A kind of 7. manufacture method of mould according to claim 1, it is characterised in that:Electroplate liquid in the step S6 (pressing volume fraction) includes sodium stannate 20-30 parts, copper sulphate 30-50 parts, zinc chloride 1-3 parts, propane sulfonic acid tin 7-12 parts, remaining Measure as water.
  8. A kind of 8. manufacture method of mould according to claim 1, it is characterised in that:Sand-blast material in the step S7 (counting in parts by weight) includes alumdum 15-18 parts, quartz sand 5-10 parts and carbon nano-fiber 5-8 parts.
CN201710485550.0A 2017-06-23 2017-06-23 A kind of manufacture method of mould Pending CN107383870A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710485550.0A CN107383870A (en) 2017-06-23 2017-06-23 A kind of manufacture method of mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710485550.0A CN107383870A (en) 2017-06-23 2017-06-23 A kind of manufacture method of mould

Publications (1)

Publication Number Publication Date
CN107383870A true CN107383870A (en) 2017-11-24

Family

ID=60333594

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710485550.0A Pending CN107383870A (en) 2017-06-23 2017-06-23 A kind of manufacture method of mould

Country Status (1)

Country Link
CN (1) CN107383870A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111621818A (en) * 2020-06-09 2020-09-04 南通市众惠模具有限公司 Die cavity surface galvanizing process
CN115196949A (en) * 2022-08-22 2022-10-18 富裕注塑制模(苏州)有限公司 Method for manufacturing precision electronic device die

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86105831A (en) * 1986-07-11 1988-02-24 南京大学 Cyanida free imitative electrogilding solution
CN105110764A (en) * 2015-09-09 2015-12-02 滁州迪蒙德模具制造有限公司 Manufacturing method of high-performance die
CN105111485A (en) * 2015-09-09 2015-12-02 滁州迪蒙德模具制造有限公司 Manufacturing method of mold
CN106048268A (en) * 2016-07-01 2016-10-26 宜兴市凯诚模具有限公司 Manufacturing method of alloy die
CN106046666A (en) * 2016-07-01 2016-10-26 宜兴市凯诚模具有限公司 Manufacturing method of high-performance nonmetal mold

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86105831A (en) * 1986-07-11 1988-02-24 南京大学 Cyanida free imitative electrogilding solution
CN105110764A (en) * 2015-09-09 2015-12-02 滁州迪蒙德模具制造有限公司 Manufacturing method of high-performance die
CN105111485A (en) * 2015-09-09 2015-12-02 滁州迪蒙德模具制造有限公司 Manufacturing method of mold
CN106048268A (en) * 2016-07-01 2016-10-26 宜兴市凯诚模具有限公司 Manufacturing method of alloy die
CN106046666A (en) * 2016-07-01 2016-10-26 宜兴市凯诚模具有限公司 Manufacturing method of high-performance nonmetal mold

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111621818A (en) * 2020-06-09 2020-09-04 南通市众惠模具有限公司 Die cavity surface galvanizing process
CN115196949A (en) * 2022-08-22 2022-10-18 富裕注塑制模(苏州)有限公司 Method for manufacturing precision electronic device die

Similar Documents

Publication Publication Date Title
CN105111485A (en) Manufacturing method of mold
CN105112802B (en) A kind of method for preparing wear-resistant plastic mould
CN105671371A (en) Manufacturing technique for alloy mold
CN105312485A (en) Molding sand for die casting
CN107383870A (en) A kind of manufacture method of mould
CN106513564A (en) Bearing cover casting process
CN108526365A (en) A kind of forging forming method of large titanium alloy center piece
CN109277574A (en) A kind of preparation method of compressor of air conditioner swinging block
CN105112801B (en) Manufacturing method for nonmetal mold
CN105110764A (en) Manufacturing method of high-performance die
CN105220056B (en) Manufacturing method for plastic forming mold
CN107363488A (en) A kind of processing technology of high abrasion mould
CN110295324A (en) A kind of quenching and tempering type 3Cr2MnNiMo pre-add duroplasts mould steel
CN110284044A (en) A kind of hot stamping die and its processing method
CN107338389A (en) A kind of manufacture craft of valve
CN109133859A (en) A kind of manufacturing method of mold
CN108425076A (en) A kind of processing mold and its processing method of high-precision powder metallurgical gear
CN107671512A (en) A kind of processing technology for electroplating plastic part mould
CN114045423A (en) Hot work alloy forging die and manufacturing method thereof
CN107245663A (en) A kind of die steel material
CN105200347A (en) Pre-hardened plastic die steel having high strength, easy plasticity and corrosion resistance and preparation method thereof
CN111230430A (en) Manufacturing process of front die of hub forging
CN105838976B (en) A kind of good niobium titanium alloy mold materials of durability
CN111389520A (en) Grinding roller of vertical mill and production method thereof
CN1864892A (en) Copper and copper alloy surface pressurized cast-infiltration method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20171124