CN103707021A - Process for manufacturing die-casting molds for motorcycle accessories - Google Patents
Process for manufacturing die-casting molds for motorcycle accessories Download PDFInfo
- Publication number
- CN103707021A CN103707021A CN201310610819.5A CN201310610819A CN103707021A CN 103707021 A CN103707021 A CN 103707021A CN 201310610819 A CN201310610819 A CN 201310610819A CN 103707021 A CN103707021 A CN 103707021A
- Authority
- CN
- China
- Prior art keywords
- steel
- motorcycle accessories
- die
- casting molds
- molds
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2209—Selection of die materials
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
Abstract
The invention relates to a process for manufacturing die-casting molds for motorcycle accessories. The process includes steps of S1, heating steel in a medium-frequency electric induction furnace until the temperature of the steel ranges from 500 DEG C to 700 DEG C, and annealing the steel; S2, cooling the annealed steel until the temperature of the cooled steel ranges from 300 DEG C to 400 DEG C; S3, increasing the temperature of the steel until the temperature of the steel ranges from 1200 DEG C to 1300 DEG C, melting all raw materials, then uniformly stirring the melted raw materials to obtain mixtures, pouring the mixtures into molds for the die-casting molds for the motorcycle accessories and cooling the molds to obtain the die-casting molds. The steel comprises (by weight) from 3.0% to 3.2% of carbon, from 2.2% to 2.4% of silicon, from 0.068% to 0.07% of phosphorus, from 0.012% to 0.015% of nitrogen, from 0.015% to 0.018% of sulfur, from 2.3% to 2.6% of magnesium, from 0.15% to 0.25% of manganese, lower than or equal to 0.10% of boron, lower than or equal to 0.30% of cobalt, from 0.05% to 0.08% of tellurium, from 0.02% to 0.04% of niobium, from 0.05% to 0.10% of bismuth, from 0.05% to 0.10% of cadmium, from 0.050% to 0.080% of titanium, the balance iron and the balance inevitable impurities. The process has the advantages that the Brinell hardness of the manufactured die-casting molds for the motorcycle accessories is improved, and the die-casting molds can be widely utilized in the field of automobile accessories.
Description
Technical field
The present invention relates to die casting field, specifically, relate to a kind of technique of preparing motorcycle accessories die casting.
Background technology
Die casting is the vitals for the production of motorcycle accessories, but due at present more and more higher for the requirement of die hardness, some current moulds can not meet requirement.
Summary of the invention
The object of this invention is to provide a kind of technique of preparing motorcycle accessories die casting.
In order to realize object of the present invention, the invention provides a kind of technique of preparing motorcycle accessories die casting, this technique comprises the following steps:
S1: following steel material is added in medium-frequency induction furnace and is heated to 500 ℃ to 700 ℃, anneal, the consisting of of described steel material (in % by weight):
3.0% to 3.2% carbon;
2.2% to 2.4% silicon;
0.068% to 0.07% phosphorus;
0.012% to 0.015% nitrogen;
0.015% to 0.018% sulphur;
2.3% to 2.6% magnesium;
0.15% to 0.25% violent;
≤ 0.10% boron;
≤ 0.30% cobalt;
0.05% to 0.08% tellurium;
0.02% to 0.04% niobium;
0.05% to 0.10% bismuth;
0.05% to 0.10% cadmium;
0.050% to 0.080% titanium:
All the other are iron and inevitable impurity.
S2: the steel material after annealing is cooled to 300 ℃ to 400 ℃;
S3: then by temperature increase to 1200 ℃ to 1300 ℃, until raw material, all after fusing, stir, be then poured in the mould of motorcycle accessories die casting, cooling, obtain.
Preferably, in S1, the consisting of of described steel material (in % by weight):
3.0% carbon;
2.3% silicon;
0.07% phosphorus;
0.014% nitrogen;
0.016% sulphur;
2.5% magnesium;
0.19% violent;
0.08% boron;
0.15% cobalt;
0.07% tellurium;
0.03% niobium;
0.07% bismuth;
0.08% cadmium;
0.070% titanium:
All the other are iron and inevitable impurity.
Motorcycle accessories die casting prepared by technique of the present invention has the Brinell hardness of enhancing, can be widely used in auto parts machinery field.
The specific embodiment
Below the invention will be further described for the description by the specific embodiment, but this is not limitation of the present invention, those skilled in the art are according to basic thought of the present invention, can make various modifications or improvement, but only otherwise depart from basic thought of the present invention, all within the scope of the present invention.
The preparation of embodiment 1 motorcycle accessories die casting
S1: the following steel material of 1 ton is added in medium-frequency induction furnace and is heated to 600 ℃, anneal, the consisting of of described steel material (in % by weight):
3.0% carbon;
2.3% silicon;
0.07% phosphorus;
0.014% nitrogen;
0.016% sulphur;
2.5% magnesium;
0.19% violent;
0.08% boron;
0.15% cobalt;
0.07% tellurium;
0.03% niobium;
0.07% bismuth;
0.08% cadmium;
0.070% titanium:
All the other be iron and inevitably impurity all the other be iron and inevitable impurity.
S2: by cooling 300 ℃ of the steel material after annealing;
S3: then by temperature increase to 1300 ℃, until raw material, all after fusing, stir, be then poured in the mould of motorcycle accessories die casting, cooling, obtain.
The preparation of embodiment 2 motorcycle accessories die castings
According to the mode identical with embodiment 1, prepare strengthened mould 2, difference is not use bismuth.
The preparation of embodiment 3 motorcycle accessories die castings
According to the mode identical with embodiment 1, prepare strengthened mould 3, difference is not use cadmium.
Experimental example 1
According to GB/T231.1-2009, measure the Brinell hardness of mould 1-3.Result is as follows: the Brinell hardness of strengthened mould 1 is 489HRC, and the Brinell hardness of strengthened mould 2 is 411HRC, and the Brinell hardness of strengthened mould 3 is 387HRC.
Experimental example 2
According to GB/T228-2002, measure tensile strength.Result is as follows: the tensile strength R of strengthened mould 1
mbe 886 MPas, the tensile strength R of strengthened mould 2
mbe 769 MPas, the tensile strength R of strengthened mould 3
mbe 818 MPas.
Claims (2)
1. a technique of preparing motorcycle accessories die casting, is characterized in that, this technique comprises the following steps:
S1: following steel material is added in medium-frequency induction furnace and is heated to 500 ℃ to 700 ℃, anneal, the consisting of of described steel material (in % by weight):
3.0% to 3.2% carbon;
2.2% to 2.4% silicon;
0.068% to 0.07% phosphorus;
0.012% to 0.015% nitrogen;
0.015% to 0.018% sulphur;
2.3% to 2.6% magnesium;
0.15% to 0.25% violent;
≤ 0.10% boron;
≤ 0.30% cobalt;
0.05% to 0.08% tellurium;
0.02% to 0.04% niobium;
0.05% to 0.10% bismuth;
0.05% to 0.10% cadmium;
0.050% to 0.080% titanium:
All the other are iron and inevitable impurity.
S2: the steel material after annealing is cooled to 300 ℃ to 400 ℃;
S3: then by temperature increase to 1200 ℃ to 1300 ℃, until raw material, all after fusing, stir, be then poured in the mould of motorcycle accessories die casting, cooling, obtain.
2. the technique of preparing motorcycle accessories die casting according to claim 1, is characterized in that, in S1, and the consisting of of described steel material (in % by weight):
3.0% carbon;
2.3% silicon;
0.07% phosphorus;
0.014% nitrogen;
0.016% sulphur;
2.5% magnesium;
0.19% violent;
0.08% boron;
0.15% cobalt;
0.07% tellurium;
0.03% niobium;
0.07% bismuth;
0.08% cadmium;
0.070% titanium:
All the other are iron and inevitable impurity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310610819.5A CN103707021B (en) | 2013-11-26 | 2013-11-26 | A kind of technique of preparing motorcycle accessories die casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310610819.5A CN103707021B (en) | 2013-11-26 | 2013-11-26 | A kind of technique of preparing motorcycle accessories die casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103707021A true CN103707021A (en) | 2014-04-09 |
| CN103707021B CN103707021B (en) | 2016-05-25 |
Family
ID=50400567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310610819.5A Active CN103707021B (en) | 2013-11-26 | 2013-11-26 | A kind of technique of preparing motorcycle accessories die casting |
Country Status (1)
| Country | Link |
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| CN (1) | CN103707021B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB362877A (en) * | 1930-03-31 | 1931-12-08 | Hirsch Kupfer & Messingwerke | Improvements in the manufacture of chill and die castings |
| CN1562523A (en) * | 2004-04-12 | 2005-01-12 | 齐志威 | Mould castings method |
| WO2005106059A1 (en) * | 2004-04-28 | 2005-11-10 | Jfe Steel Corporation | Parts for machine construction and method for production thereof |
| CN1802446A (en) * | 2003-09-29 | 2006-07-12 | 杰富意钢铁株式会社 | Steel product for induction hardening, induction-hardened member using the same, and methods for producing them |
| CN1806061A (en) * | 2003-09-29 | 2006-07-19 | 杰富意钢铁株式会社 | Steel parts for machine structure, material therefor, and method for manufacture thereof |
| WO2013132823A1 (en) * | 2012-03-06 | 2013-09-12 | Ｊｆｅスチール株式会社 | Warm press forming method and automobile frame component |
-
2013
- 2013-11-26 CN CN201310610819.5A patent/CN103707021B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB362877A (en) * | 1930-03-31 | 1931-12-08 | Hirsch Kupfer & Messingwerke | Improvements in the manufacture of chill and die castings |
| CN1802446A (en) * | 2003-09-29 | 2006-07-12 | 杰富意钢铁株式会社 | Steel product for induction hardening, induction-hardened member using the same, and methods for producing them |
| CN1806061A (en) * | 2003-09-29 | 2006-07-19 | 杰富意钢铁株式会社 | Steel parts for machine structure, material therefor, and method for manufacture thereof |
| CN1562523A (en) * | 2004-04-12 | 2005-01-12 | 齐志威 | Mould castings method |
| WO2005106059A1 (en) * | 2004-04-28 | 2005-11-10 | Jfe Steel Corporation | Parts for machine construction and method for production thereof |
| WO2013132823A1 (en) * | 2012-03-06 | 2013-09-12 | Ｊｆｅスチール株式会社 | Warm press forming method and automobile frame component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103707021B (en) | 2016-05-25 |
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