CN107119224A - A kind of preparation method of anti-cold-punching mold material - Google Patents

A kind of preparation method of anti-cold-punching mold material Download PDF

Info

Publication number
CN107119224A
CN107119224A CN201710237409.9A CN201710237409A CN107119224A CN 107119224 A CN107119224 A CN 107119224A CN 201710237409 A CN201710237409 A CN 201710237409A CN 107119224 A CN107119224 A CN 107119224A
Authority
CN
China
Prior art keywords
preparation
cold
caco
mold material
casting
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
CN201710237409.9A
Other languages
Chinese (zh)
Inventor
王华东
蒋业华
乔龙功
陈根根
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.)
Chuzhou Donghua Mould Manufacturing Co Ltd
Original Assignee
Chuzhou Donghua Mould Manufacturing 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 Chuzhou Donghua Mould Manufacturing Co Ltd filed Critical Chuzhou Donghua Mould Manufacturing Co Ltd
Priority to CN201710237409.9A priority Critical patent/CN107119224A/en
Publication of CN107119224A publication Critical patent/CN107119224A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

Abstract

The invention discloses a kind of preparation method of anti-cold-punching mold material, comprise the following steps：Preparation prepares mold materials raw material；Fe, Mn, Ni, W, V, Ce are put into smelting furnace, mixed liquor A is melted to obtain in heating；By C, Si, S, RE and CaCO3It is added in mixed liquor A, while adding additive for smelting, insulated and stirred obtains mixed liquid B；The casting of specification needed for mixed liquid B is cast into while hot, obtains mould casting, natural cooling is produced after being heat-treated to mould casting after it naturally cools to room temperature.A kind of preparation method of anti-cold-punching mold material proposed by the present invention, gained mold materials quality is high, and shock resistance is good, deformation ratio and wear rate are low, and service life is long, for Making mold, it ensure that the case hardness and wearability of mould, when gained mould is used for cold-worked part and other cast castings, it is ensured that the size and precision of casting, production efficiency is improved high high with product qualification rate, preparation method proposed by the present invention is simple, cost relative reduction is prepared, raw materials used safety and environmental protection is worthy to be popularized.

Description

A kind of preparation method of anti-cold-punching mold material
Technical field
The present invention relates to mold materials preparing technical field, more particularly to a kind of preparation method of anti-cold-punching mold material.
Background technology
Mould is used for the punchings of metal or nonmetallic materials, stretching, bending, extruding, upsetting and the process such as beats.China currently used for The steel grade of plastic mould material, condition of heat treatment classification that can be by steel characteristics and when using.Mould steel requirement has enough strong Degree, toughness, hardness, abrasion-resistance, anti-fatigue ability, resistance to deformation, Resisting fractre ability.In castings production, cold-punching mold will be held Be hit, vibrate, rubbing, high pressure, stretching, the load such as bending, or even work at a higher temperature（Such as cold extrusion）, work bar Part is complicated, easily occurs the phenomenons such as abrasion, fatigue, fracture, deformation.Therefore, the quality of mould directly influences the matter of later stage casting Amount.
Traditional mold materials are more to be prepared from raw metal and inorganic mineral raw material, what this series mould material was produced When mould is used for cold-worked part and cast, have that quality is not high, shock resistance is poor, and mould is fragile, and service life is short, production efficiency It is low, a series of problems, such as production cost is high.Based on above statement, the present invention proposes a kind of preparation side of anti-cold-punching mold material Method.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of anti-cold-punching mold material proposed Preparation method.
A kind of preparation method of anti-cold-punching mold material, comprises the following steps：
S1, preparation prepare mold materials raw material, by weight percentage, including C 0.25~0.45%, Mn 0.6~1.2%, Si 1~1.8%, Ni 0.5~1.5%, S 0.1~0.5%, RE 0.5~1.5%, W 1.3~3%, V 0.5~1%, Ce 0.3~ 0.8%、CaCO31~3%, surplus is Fe；
S2, Fe, Mn, Ni, W, V, Ce in step S1 put into smelting furnace, heated and melted with 12~18 DEG C/min speed, In heating process, N is continued through2, and mixed with 480~600r/min rotating speed high-speed stirred, wait to be completely melt to obtain mixed liquor A；
Mixed liquor A is temperature-resistant in S3, holding step S2, by C, Si, S, RE and CaCO in step S13It is added to mixed liquor In A, while adding additive for smelting, 6~8h of insulated and stirred obtains mixed liquid B；
S4, the mixed liquid B of gained in step S3 is cast into while hot needed for specification casting, after it naturally cools to room temperature Mould casting, is incubated 2~3h, then oil cooling is to room temperature, finally 400 at a high temperature of mould casting is placed in into 900~1100 DEG C At a temperature of~480 DEG C, natural cooling is produced after 2~3h of temper.
It is preferred that, mold materials raw material is prepared in the step S1, by weight percentage, including C 0.3~ 0.4%th, Mn 0.8~1%, Si 1.2~1.6%, Ni 0.8~1.2%, S 0.2~0.4%, RE 0.8~1.2%, W 1.5~ 2.5%th, V 0.6~0.8%, Ce 0.4~0.7%, CaCO31.5~2.5%, surplus is Fe.
It is preferred that, mold materials raw material is prepared in the step S1, by weight percentage, including C 0.35%, Mn 0.9%、Si 1.4%、Ni 1%、S 0.3%、RE 1%、W 2%、V 0.7%、Ce 0.5%、CaCO32%th, surplus is Fe.
It is preferred that, CaCO in the step S13For the calcium carbonate superfine powder powder that particle diameter is 1250~1800 mesh.
It is preferred that, the N in the step S22Chun Du≤99.3%.
It is preferred that, the additive for smelting in the step S3 is that mass ratio is 1.5~2:1:1~1.2:1~2 NaCl, SiO2, NaF and BaSO4Mixture, its addition be mixed liquor A total amount 1~2.3%.
A kind of preparation method of anti-cold-punching mold material proposed by the present invention, gained mold materials quality is high, impact resistance Can be good, deformation ratio and wear rate are low, and service life is long, for Making mold, it is ensured that the case hardness and wearability of mould, institute When obtaining mould for cold-worked part and other cast castings, it is ensured that the size and precision of casting, production efficiency height and production are improved Product qualification rate is high, and preparation method proposed by the present invention is simple, prepares cost relative reduction, and raw materials used safety and environmental protection is worth pushing away Extensively.
Embodiment
The present invention is made with reference to specific embodiment further to explain.
Embodiment one
A kind of preparation method of anti-cold-punching mold material proposed by the present invention, comprises the following steps：
S1, preparation prepare mold materials raw material, by weight percentage, including C 0.42%, Mn 1.2%, Si 1.5%, Ni 1.2%、S 0.5%、RE 1.5%、W 2.5%、V 0.8%、Ce 0.6%、CaCO33%th, surplus is Fe, wherein, CaCO3It is for particle diameter The calcium carbonate superfine powder powder of 1500 mesh；
S2, Fe, Mn, Ni, W, V, Ce in step S1 put into smelting furnace, heated and melted with 16 DEG C/min speed, heating During, continue through the N that purity is 99.9%2, and mixed with 580r/min rotating speed high-speed stirred, wait to be completely melt to mix Close liquid A；
Mixed liquor A is temperature-resistant in S3, holding step S2, by C, Si, S, RE and CaCO in step S13It is added to mixed liquor In A, while the mass ratio for adding mixed liquor A total amount 2% is 1.8:1:1.2:1.5 NaCl, SiO2, NaF and BaSO4Mixing Thing, insulated and stirred 8h, obtains mixed liquid B；
S4, the mixed liquid B of gained in step S3 is cast into while hot needed for specification casting, after it naturally cools to room temperature Mould casting, mould casting is placed at a high temperature of 1050 DEG C and is incubated 2.8h, and then oil cooling is to room temperature, finally in 460 DEG C of temperature Under degree, natural cooling is produced after temper 2h.
Embodiment two
A kind of preparation method of anti-cold-punching mold material proposed by the present invention, comprises the following steps：
S1, preparation prepare mold materials raw material, by weight percentage, including C 0.28%, Mn 0.8%, Si 18%, Ni 0.6%、S 0.2%、RE 0.5%、W 1.5%、V 0.8%、Ce 0.4%、CaCO31.8%th, surplus is Fe, wherein, CaCO3For particle diameter For the calcium carbonate superfine powder powder of 1400 mesh；
S2, Fe, Mn, Ni, W, V, Ce in step S1 put into smelting furnace, heated and melted with 12 DEG C/min speed, heating During, continue through the N that purity is 99.3%2, and mixed with 500r/min rotating speed high-speed stirred, wait to be completely melt to mix Close liquid A；
Mixed liquor A is temperature-resistant in S3, holding step S2, by C, Si, S, RE and CaCO in step S13It is added to mixed liquor In A, while the mass ratio for adding mixed liquor A total amount 1.5% is 1.8:1:1:1.2 NaCl, SiO2, NaF and BaSO4Mixing Thing, insulated and stirred 6h, obtains mixed liquid B；
S4, the mixed liquid B of gained in step S3 is cast into while hot needed for specification casting, after it naturally cools to room temperature Mould casting, mould casting is placed at a high temperature of 950 DEG C and is incubated 3h, and then oil cooling is to room temperature, finally in 420 DEG C of temperature Under, natural cooling is produced after temper 3h.
Embodiment three
A kind of preparation method of anti-cold-punching mold material proposed by the present invention, comprises the following steps：
S1, preparation prepare mold materials raw material, by weight percentage, including C 0.34%, Mn 0.9%, Si 1.5%, Ni 1%、S 0.3%、RE 1%、W 2.2%、V 0.8%、Ce 0.5%、CaCO32%th, surplus is Fe, wherein, CaCO3It is 1700 for particle diameter Purpose calcium carbonate superfine powder powder；
S2, Fe, Mn, Ni, W, V, Ce in step S1 put into smelting furnace, heated and melted with 15 DEG C/min speed, heating During, continue through the N that purity is 99.5%2, and mixed with 540r/min rotating speed high-speed stirred, wait to be completely melt to mix Close liquid A；
Mixed liquor A is temperature-resistant in S3, holding step S2, by C, Si, S, RE and CaCO in step S13It is added to mixed liquor In A, while the mass ratio for adding mixed liquor A total amount 1.6% is 1.5:1:1.1:1.5 NaCl, SiO2, NaF and BaSO4Mixing Thing, insulated and stirred 7h, obtains mixed liquid B；
S4, the mixed liquid B of gained in step S3 is cast into while hot needed for specification casting, after it naturally cools to room temperature Mould casting, mould casting is placed at a high temperature of 1000 DEG C and is incubated 2.5h, and then oil cooling is to room temperature, finally in 440 DEG C of temperature Under degree, natural cooling is produced after temper 2.5h.
Hardness is carried out to anti-cold-punching mold material prepared by above-described embodiment one~tri- respectively, impact flexibility and wearability are entered Row detection, testing result is as follows：
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, it is any Those familiar with the art the invention discloses technical scope in, technique according to the invention scheme and its invention Design is subject to equivalent substitution or change, should all be included within the scope of the present invention.

Claims (6)

1. a kind of preparation method of anti-cold-punching mold material, it is characterised in that comprise the following steps：
S1, preparation prepare mold materials raw material, by weight percentage, including C 0.25~0.45%, Mn 0.6~1.2%, Si 1~1.8%, Ni 0.5~1.5%, S 0.1~0.5%, RE 0.5~1.5%, W 1.3~3%, V 0.5~1%, Ce 0.3~ 0.8%、CaCO31~3%, surplus is Fe；
S2, Fe, Mn, Ni, W, V, Ce in step S1 put into smelting furnace, heated and melted with 12~18 DEG C/min speed, In heating process, N is continued through2, and mixed with 480~600r/min rotating speed high-speed stirred, wait to be completely melt to obtain mixed liquor A；
Mixed liquor A is temperature-resistant in S3, holding step S2, by C, Si, S, RE and CaCO in step S13It is added to mixed liquor A In, while adding additive for smelting, 6~8h of insulated and stirred obtains mixed liquid B；
S4, the mixed liquid B of gained in step S3 is cast into while hot needed for specification casting, after it naturally cools to room temperature Mould casting, is incubated 2~3h, then oil cooling is to room temperature, finally 400 at a high temperature of mould casting is placed in into 900~1100 DEG C At a temperature of~480 DEG C, natural cooling is produced after 2~3h of temper.
2. the preparation method of a kind of anti-cold-punching mold material according to claim 1, it is characterised in that in the step S1 Prepare mold materials raw material, by weight percentage, including C 0.3~0.4%, Mn 0.8~1%, Si 1.2~1.6%, Ni 0.8~1.2%, S 0.2~0.4%, RE 0.8~1.2%, W 1.5~2.5%, V 0.6~0.8%, Ce 0.4~0.7%, CaCO31.5~2.5%, surplus is Fe.
3. the preparation method of a kind of anti-cold-punching mold material according to claim 1, it is characterised in that in the step S1 Prepare mold materials raw material, by weight percentage, including C 0.35%, Mn 0.9%, Si 1.4%, Ni 1%, S 0.3%, RE 1%、W 2%、V 0.7%、Ce 0.5%、CaCO32%th, surplus is Fe.
4. the preparation method of a kind of anti-cold-punching mold material according to claim 1, it is characterised in that in the step S1 CaCO3For the calcium carbonate superfine powder powder that particle diameter is 1250~1800 mesh.
5. the preparation method of a kind of anti-cold-punching mold material according to claim 1, it is characterised in that in the step S2 N2Chun Du≤99.3%.
6. the preparation method of a kind of anti-cold-punching mold material according to claim 1, it is characterised in that in the step S3 Additive for smelting be that mass ratio is 1.5~2:1:1~1.2:1~2 NaCl, SiO2, NaF and BaSO4Mixture, it adds It is the 1~2.3% of mixed liquor A total amount to enter amount.
CN201710237409.9A 2017-04-12 2017-04-12 A kind of preparation method of anti-cold-punching mold material Pending CN107119224A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710237409.9A CN107119224A (en) 2017-04-12 2017-04-12 A kind of preparation method of anti-cold-punching mold material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710237409.9A CN107119224A (en) 2017-04-12 2017-04-12 A kind of preparation method of anti-cold-punching mold material

Publications (1)

Publication Number Publication Date
CN107119224A true CN107119224A (en) 2017-09-01

Family

ID=59724788

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710237409.9A Pending CN107119224A (en) 2017-04-12 2017-04-12 A kind of preparation method of anti-cold-punching mold material

Country Status (1)

Country Link
CN (1) CN107119224A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3926622A (en) * 1973-10-03 1975-12-16 Hitachi Metals Ltd Pitting resisting alloy steels
CN1132796A (en) * 1994-11-30 1996-10-09 克罗索·洛利工业责任有限公司 Process for semlting titanium steel and steel obtained
CN1665950A (en) * 2002-07-01 2005-09-07 日立金属株式会社 Material for sliding parts having self-lubricity and wire material for piston ring
CN103436818A (en) * 2013-07-11 2013-12-11 滁州市鑫隆机电有限公司 Production method for long-lifetime cold-stamping die material
CN105483562A (en) * 2014-09-17 2016-04-13 宝钢特钢有限公司 High-bending-resistance, high-strength and high-toughness die steel and manufacturing method thereof
JP2016060933A (en) * 2014-09-17 2016-04-25 新日鐵住金株式会社 Steel for high strength bolt
JP6055400B2 (en) * 2013-12-26 2016-12-27 株式会社神戸製鋼所 Steel material and manufacturing method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3926622A (en) * 1973-10-03 1975-12-16 Hitachi Metals Ltd Pitting resisting alloy steels
CN1132796A (en) * 1994-11-30 1996-10-09 克罗索·洛利工业责任有限公司 Process for semlting titanium steel and steel obtained
CN1665950A (en) * 2002-07-01 2005-09-07 日立金属株式会社 Material for sliding parts having self-lubricity and wire material for piston ring
CN103436818A (en) * 2013-07-11 2013-12-11 滁州市鑫隆机电有限公司 Production method for long-lifetime cold-stamping die material
JP6055400B2 (en) * 2013-12-26 2016-12-27 株式会社神戸製鋼所 Steel material and manufacturing method thereof
CN105483562A (en) * 2014-09-17 2016-04-13 宝钢特钢有限公司 High-bending-resistance, high-strength and high-toughness die steel and manufacturing method thereof
JP2016060933A (en) * 2014-09-17 2016-04-25 新日鐵住金株式会社 Steel for high strength bolt

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
隋良志等: "《建筑与装饰材料》", 30 September 2008 *

Similar Documents

Publication Publication Date Title
CN103805902B (en) A kind of Cutting free high-speed steel roll manufacturing process of rotary casting
CN103667916B (en) A kind of high hardness alloy steel and preparation method thereof
CN103614658A (en) High-strength wear-resistant low-carbon steel material and preparation method thereof
CN103667983B (en) A kind of high-strength spring steel and preparation method thereof
CN103757557A (en) Wear-resistant high hardness alloy steel material and preparation method thereof
CN103882340A (en) Rare-earth alloy steel material and preparation method thereof
CN103667981A (en) Alloy steel material for ball mill lining boards and preparation method thereof
CN105463302A (en) Method for manufacturing high-hardness spheroidal graphite cast iron hammer
CN107119224A (en) A kind of preparation method of anti-cold-punching mold material
CN103614633A (en) Alloy steel material having high hot strength and preparation method thereof
CN103882310A (en) Corrosion-resistant high-carbon steel alloy material and preparation method thereof
CN103757537A (en) High hardness and low cold brittleness alloy steel material and preparation method thereof
CN104073733A (en) Air corrosion-resistant alloy steel material and preparation method thereof
CN103667917A (en) High-temperature-resistant low-carbon steel material and preparation method thereof
CN103667970B (en) Strong high-carbon steel material of a kind of heat and preparation method thereof
CN104073743A (en) High-nickel and high-carbon steel material and preparation method thereof
CN103614655A (en) A wear-resistant impact-resistant alloy steel material used for surface hardening and a preparation method of the alloy steel material
CN103882337A (en) Wear-resistant alloy material for hydraulic valve and preparation method thereof
CN103882336A (en) Alloy steel material for excavator bucket teeths and preparation method thereof
CN103667973A (en) Wear-resistant impact-resistant alloy steel material and preparation method thereof
CN103627999A (en) Medium-manganese steel hammerhead material for mines and preparation method thereof
CN103834859A (en) High hardness high plasticity low-carbon steel material and preparation method thereof
CN104073742A (en) Alloy steel material for air valve and preparation method thereof
CN104073728A (en) Alloy material used for electric powder control valve elements and preparation method of alloy material
CN103741072A (en) Antimony-contained alloy steel material for roller and preparation method thereof

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

Application publication date: 20170901

RJ01 Rejection of invention patent application after publication