CN105002443A - Nut machining process - Google Patents
Nut machining process Download PDFInfo
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- CN105002443A CN105002443A CN201510307699.0A CN201510307699A CN105002443A CN 105002443 A CN105002443 A CN 105002443A CN 201510307699 A CN201510307699 A CN 201510307699A CN 105002443 A CN105002443 A CN 105002443A
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- nut
- alloy
- complete processing
- quenching
- cast
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Abstract
The invention discloses a nut machining process. The process includes the steps of 1, preparing alloy, 2, conducting moulding by casting and 3, conducting surface treatment. The nut machining process is simple, an alloy solution is refined and contains less foreign matter, the fraction defective can be lowered in the casting process, the hardness of nuts is improved through quenching treatment, and the surface finish of the obtained nuts is high through surface treatment.
Description
Technical field
The present invention relates to a kind of complete processing of nut, belong to standardized component processing technique field.
Background technology
Nut is exactly nut, is used for the part played the role of fastening with bolt or screw rod together with being screwed in, all manufacturing machinery must a kind of element according to the difference of material, be divided into several large types such as carbon steel, stainless steel, non-ferrous metal (as copper).
The metallic substance that nut of the prior art uses mostly is the very high copper alloy of copper content, and material hardness is lower, cannot meet the industry of high speed development, the demand of construction industry.
Summary of the invention
In order to solve problems of the prior art, the invention provides a kind of complete processing of nut, comprising following step:
(1) alloy prepares: the weight percentages of components of described alloy is as follows: carbon 2-4%, copper 10-12%, manganese 0.8-1.2%, silicon 1.3-1.7%, magnesium 0.3-0.4%, phosphorus 0.01-0.08%, and sulphur is less than 0.02-0.08%, and surplus is iron; Melting under temperature is 1200-1300 DEG C of condition;
(2) casting: the alloy after melting is cooled to 700-800 DEG C, in nitrogen environment, imports in mould and pours into a mould, carry out stepped quenching process, namely obtain nut after quenching after cast;
(3) surface treatment: by the nut fin cutting that obtains and wedge angle, then in silicone oil, carry out sealing of hole processing obtain final finished nut.
Preferably, described quenching technology is: the product heats after cast is incubated 10-15min after 650-800 DEG C, is incubated 10-13min, then takes out product at room temperature air cooling in the oil of temperature 220-250 DEG C quenched afterwards.
Preferably, described alloy is obtained by following steps: smelting furnace is preheated to 250-300 DEG C, adds raw material, is warming up to 780-820 DEG C, passes into nitrogen, adds refining agent simultaneously, and refining 10-15min obtains alloy molten solution.
Preferably, described refining agent is Graphite Powder 99, and consumption is the 0.3-0.5% of alloy molten solution weight.
Beneficial effect of the present invention: nut machining process of the present invention is simple, alloy molten solution is by refining, and impurity is few, can disqualification rate be reduced during cast, by quench treatment, improve the hardness of nut, by surface treatment, the nut surface obtained is highly polished.
Embodiment
Embodiment provided by the invention is described in further detail:
A complete processing for nut, comprises following step:
(1) alloy prepares: the weight percentages of components of described alloy is as follows: carbon 2-4%, copper 10-12%, manganese 0.8-1.2%, silicon 1.3-1.7%, magnesium 0.3-0.4%, phosphorus 0.01-0.08%, and sulphur is less than 0.02-0.08%, and surplus is iron; Melting under temperature is 1200-1300 DEG C of condition;
(2) casting: the alloy after melting is cooled to 700-800 DEG C, in nitrogen environment, imports in mould and pours into a mould, carry out stepped quenching process, namely obtain nut after quenching after cast;
(3) surface treatment: by the nut fin cutting that obtains and wedge angle, then in silicone oil, carry out sealing of hole processing obtain final finished nut.
Preferably, described quenching technology is: the product heats after cast is incubated 10-15min after 650-800 DEG C, is incubated 10-13min, then takes out product at room temperature air cooling in the oil of temperature 220-250 DEG C quenched afterwards.
Preferably, described alloy is obtained by following steps: smelting furnace is preheated to 250-300 DEG C, adds raw material, is warming up to 780-820 DEG C, passes into nitrogen, adds refining agent simultaneously, and refining 10-15min obtains alloy molten solution.
Preferably, described refining agent is Graphite Powder 99, and consumption is the 0.3-0.5% of alloy molten solution weight.
Nut machining process of the present invention is simple, and alloy molten solution is by refining, and impurity is few, can reduce disqualification rate during cast, by quench treatment, improves the hardness of nut, and by surface treatment, the nut surface obtained is highly polished.
In this description, the present invention is described with reference to its specific embodiment.But, still can make various amendment and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification sheets is regarded in an illustrative, rather than a restrictive.
Claims (4)
1. a complete processing for nut, is characterized in that, comprises following step:
(1) alloy prepares: the weight percentages of components of described alloy is as follows: carbon 2-4%, copper 10-12%, manganese 0.8-1.2%, silicon 1.3-1.7%, magnesium 0.3-0.4%, phosphorus 0.01-0.08%, and sulphur is less than 0.02-0.08%, and surplus is iron; Melting under temperature is 1200-1300 DEG C of condition;
(2) casting: the alloy after melting is cooled to 700-800 DEG C, in nitrogen environment, imports in mould and pours into a mould, carry out stepped quenching process, namely obtain nut after quenching after cast;
(3) surface treatment: by the nut fin cutting that obtains and wedge angle, then in silicone oil, carry out sealing of hole processing obtain final finished nut.
2. according to the complete processing of a kind of nut described in claim 1, it is characterized in that, described quenching technology is: the product heats after cast is incubated 10-15min after 650-800 DEG C, to quench afterwards in the oil of temperature 220-250 DEG C and to be incubated 10-13min, then taking out product at room temperature air cooling.
3. according to the complete processing of a kind of nut described in claim 1, it is characterized in that, described alloy is obtained by following steps: smelting furnace is preheated to 250-300 DEG C, add raw material, be warming up to 780-820 DEG C, pass into nitrogen, add refining agent simultaneously, refining 10-15min obtains alloy molten solution.
4. according to the complete processing of a kind of nut described in claim 3, it is characterized in that, described refining agent is Graphite Powder 99, and consumption is the 0.3-0.5% of alloy molten solution weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510307699.0A CN105002443A (en) | 2015-06-08 | 2015-06-08 | Nut machining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510307699.0A CN105002443A (en) | 2015-06-08 | 2015-06-08 | Nut machining process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105002443A true CN105002443A (en) | 2015-10-28 |
Family
ID=54375299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510307699.0A Pending CN105002443A (en) | 2015-06-08 | 2015-06-08 | Nut machining process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105002443A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048237A (en) * | 2018-11-05 | 2018-12-21 | 浙江瑞昭科技有限公司 | A kind of commercial vehicle specialized nut production technology |
| CN113751967A (en) * | 2021-09-01 | 2021-12-07 | 瑞安市威孚标准件有限公司 | Forming method of welded nut |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131222A (en) * | 2014-08-22 | 2014-11-05 | 无锡市第二标准件制造有限公司 | Nut machining process |
-
2015
- 2015-06-08 CN CN201510307699.0A patent/CN105002443A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131222A (en) * | 2014-08-22 | 2014-11-05 | 无锡市第二标准件制造有限公司 | Nut machining process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048237A (en) * | 2018-11-05 | 2018-12-21 | 浙江瑞昭科技有限公司 | A kind of commercial vehicle specialized nut production technology |
| CN113751967A (en) * | 2021-09-01 | 2021-12-07 | 瑞安市威孚标准件有限公司 | Forming method of welded nut |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151028 |