CN102453817A - Zinc alloy special for stamping and manufacturing method thereof - Google Patents
Zinc alloy special for stamping and manufacturing method thereof Download PDFInfo
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- CN102453817A CN102453817A CN2010105263683A CN201010526368A CN102453817A CN 102453817 A CN102453817 A CN 102453817A CN 2010105263683 A CN2010105263683 A CN 2010105263683A CN 201010526368 A CN201010526368 A CN 201010526368A CN 102453817 A CN102453817 A CN 102453817A
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- zinc alloy
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- punching press
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Abstract
The invention discloses a zinc alloy special for stamping, which has a lower content of aluminum than that of 3# zinc die cast alloy according to the normal international standard and is obtained by firstly adding composite modificator in the production progress so as to improve performance and then smelting. Smelting technology of the zinc alloy comprises the steps of raw material pre-heating, feeding, melting, heating, refining, pre-operational checking (testing and analyzing), furnace thermally preserving, ingot casting, and the like. The zinc alloy special for stamping disclosed by the invention reaches the standards of the 3# zinc alloy in performances, such as, mechanical property, corrosion resistance, hardness, etc., has excellent casting performance, is hard to be cracked and deformed in the stamping, has physical and mechanical performances equal to that of the 3# zinc alloy, realizes good balance, can be widely applied to stamping technology, and is particularly suitable for manufacturing of tiny stamping parts.
Description
Technical field
The present invention relates to special-purpose zinc alloy of a kind of punching press and method of manufacture thereof, belong to the melting technology field of alloy product.
Background technology
High aluminium zinc alloy has comparison excellent mechanical property, castability and machinability, and melting technology is simple, power consumption less, with low cost, obtained extensive studies and application in industries such as machinofacture.But traditional high aluminium zinc alloy is applied in the Sheet Metal Forming Technology, is easy to generate the phenomenon of starting material fracture, and this aluminum content with zinc alloy is relevant.If the aluminum content to zinc alloy changes, possibly cause the reduction of other aspect performances of zinc alloy again.Through the proportioning of test change zinc alloy component and additive, the research that obtains punching press domain-specific zinc alloy is very necessary.
Summary of the invention
The object of the present invention is to provide special-purpose zinc alloy of a kind of punching press and method of manufacture thereof; Can be when performances such as mechanics, corrosion-resistant, hardness reach 3# zinc alloy standard; Have good castability, not easy to crack and distortion is exclusively used in Sheet Metal Forming Technology during punching press.
The present invention realizes through following technical scheme:
Discover that along with the increase of aluminum content, the zinc alloy fusing point raises, the low-melting eutectic scale of construction of zinc alloy remollescent is reduced, alloy strength improves, but simultaneously, the wear resistance and the anti-attrition property of zinc alloy all reduce to some extent, cause the punching press easy fracture.Reduce aluminum content, can improve the zinc alloy anti-impact and press performance, easy fracture not, but influenced the intensity of zinc alloy.
Through overtesting with take all factors into consideration, the present invention has reduced the aluminum content of international standard 3# zinc alloy, setting content is 3.5-3.8%, and is more lower slightly than the 3.9-4.3% of standard; Simultaneously, adding rare earth and NiTi compound modifier improve performance in the zinc alloy production process, make zinc alloy when promoting anti-impact pressure performance, and performances such as mechanical strength, hardness still reach 3# zinc alloy standard.Steps such as melting technology comprises raw material preheating, feeds intake, melts, intensification, refining, stokehold inspection (test, chemical examination), holding furnace, ingot casting.
The shared weight percent of each component of the present invention sees the following form:
The present invention is when performances such as mechanics (intensity), corrosion-resistant, hardness reach 3# zinc alloy standard; Has good castability; Not easy to crack and distortion during punching press, physical and mechanical property is suitable with the 3# product, reaches better balance; Can be widely used in Sheet Metal Forming Technology, be specially adapted to the manufacturing of tiny stamping parts.
Description of drawings
Manufacturing process flow of the present invention is seen accompanying drawing.
Embodiment
Below in conjunction with description of drawings embodiment of the present invention:
The special-purpose zinc alloy of punching press of the present invention is when melting; Use coal gas with furnace heats, add the zinc-aluminium master alloy, add magnesium ingot and compound modifier master alloy more in good time; Through industrial nitrogen environmental protection refining agent, slagging agent are sent into behind the alloy melting and carried out refining in the stove; Carry out the stokehold inspection, insulation certain hour, the ingot casting of coming out of the stove.Carry out the processing of scum silica frost during this time, test to output object in the back of coming out of the stove, skin slag and substandard products are returned stove.
Claims (4)
1. special-purpose zinc alloy of a punching press and method of manufacture thereof; Said zinc alloy is lower than conventional international standard 3# MAZAK aluminium content; Melting forms after adding compound modifier in process of production and improving performance; It is characterized in that: aluminium content is more lower slightly than international standard 3# zinc alloy, and accounting for total weight percent is 3.5-3.8%; Magnesium 0.03%～0.06%; Comprise lead, iron, cadmium, tin, copper etc. at interior impurity component less than 0.07%, surplus is a zinc.
2. according to the special-purpose zinc alloy of the described punching press of right 1, it is characterized in that: adopt rare earth and NiTi compound modifier to improve performance, performances such as mechanical strength, corrosion-resistant, hardness reach 3# zinc alloy standard.
3. according to the special-purpose zinc alloy of right 1 described punching press, it is characterized in that: have good castability, not easy to crack and distortion during punching press; Physical and mechanical property and 3# are suitable; Reach better balance, but the widespread use Sheet Metal Forming Technology is specially adapted to the manufacturing of tiny stamping parts.
4. according to the special-purpose zinc alloy method of manufacture of the described punching press of right 1, it is characterized in that: through raw material preheating, feed intake, melt, step meltings such as intensification, refining, stokehold inspection (test, chemical examination), holding furnace, ingot casting form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105263683A CN102453817A (en) | 2010-10-28 | 2010-10-28 | Zinc alloy special for stamping and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105263683A CN102453817A (en) | 2010-10-28 | 2010-10-28 | Zinc alloy special for stamping and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN102453817A true CN102453817A (en) | 2012-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105263683A Pending CN102453817A (en) | 2010-10-28 | 2010-10-28 | Zinc alloy special for stamping and manufacturing method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766783A (en) * | 2012-07-28 | 2012-11-07 | 四会市丰亿鑫金属熔铸有限公司 | Zinc alloy |
| CN102766780A (en) * | 2012-07-28 | 2012-11-07 | 四会市丰亿鑫金属熔铸有限公司 | Zinc alloy |
| CN102766782A (en) * | 2012-07-28 | 2012-11-07 | 四会市丰亿鑫金属熔铸有限公司 | Environment-friendly zinc alloy |
| CN102912692A (en) * | 2012-10-29 | 2013-02-06 | 厦门新钢金属制品有限公司 | Ballastless track slab insulating bar reinforcement with composite coating |
| CN104195370A (en) * | 2014-09-18 | 2014-12-10 | 无锡贺邦金属制品有限公司 | Die-cast zinc alloy |
| CN104233140A (en) * | 2014-09-19 | 2014-12-24 | 无锡贺邦金属制品有限公司 | Annealing method of die-cast zinc alloy |
| CN105316555A (en) * | 2015-12-11 | 2016-02-10 | 王立鑫 | Die-cast zinc alloy as well as preparation method and use thereof |
| CN105385926A (en) * | 2015-12-11 | 2016-03-09 | 王立鑫 | Zinc alloy and preparation method and application thereof |
| CN105420568A (en) * | 2015-12-11 | 2016-03-23 | 王立鑫 | Super-hard zinc alloy for die casing and preparation method and application of super-hard zinc alloy |
| CN108588488A (en) * | 2018-05-29 | 2018-09-28 | 泉州联创厨卫有限公司 | A kind of gravitational casting kirsite and its founding |
-
2010
- 2010-10-28 CN CN2010105263683A patent/CN102453817A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766783A (en) * | 2012-07-28 | 2012-11-07 | 四会市丰亿鑫金属熔铸有限公司 | Zinc alloy |
| CN102766780A (en) * | 2012-07-28 | 2012-11-07 | 四会市丰亿鑫金属熔铸有限公司 | Zinc alloy |
| CN102766782A (en) * | 2012-07-28 | 2012-11-07 | 四会市丰亿鑫金属熔铸有限公司 | Environment-friendly zinc alloy |
| CN102912692A (en) * | 2012-10-29 | 2013-02-06 | 厦门新钢金属制品有限公司 | Ballastless track slab insulating bar reinforcement with composite coating |
| CN104195370A (en) * | 2014-09-18 | 2014-12-10 | 无锡贺邦金属制品有限公司 | Die-cast zinc alloy |
| CN104233140A (en) * | 2014-09-19 | 2014-12-24 | 无锡贺邦金属制品有限公司 | Annealing method of die-cast zinc alloy |
| CN104233140B (en) * | 2014-09-19 | 2017-05-31 | 永嘉县鸿强热处理有限公司 | A kind of method for annealing of zinc die casting alloys |
| CN105316555A (en) * | 2015-12-11 | 2016-02-10 | 王立鑫 | Die-cast zinc alloy as well as preparation method and use thereof |
| CN105385926A (en) * | 2015-12-11 | 2016-03-09 | 王立鑫 | Zinc alloy and preparation method and application thereof |
| CN105420568A (en) * | 2015-12-11 | 2016-03-23 | 王立鑫 | Super-hard zinc alloy for die casing and preparation method and application of super-hard zinc alloy |
| CN108588488A (en) * | 2018-05-29 | 2018-09-28 | 泉州联创厨卫有限公司 | A kind of gravitational casting kirsite and its founding |
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Application publication date: 20120516 |