CN102418052A - Low-cost high-performance metal material used for force-increasing lead screw and manufacturing method thereof - Google Patents
Low-cost high-performance metal material used for force-increasing lead screw and manufacturing method thereof Download PDFInfo
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- CN102418052A CN102418052A CN2011103838943A CN201110383894A CN102418052A CN 102418052 A CN102418052 A CN 102418052A CN 2011103838943 A CN2011103838943 A CN 2011103838943A CN 201110383894 A CN201110383894 A CN 201110383894A CN 102418052 A CN102418052 A CN 102418052A
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Abstract
The invention relates to a low-cost high-performance metal material used for a force-increasing lead screw and a manufacturing method thereof. The metal material is characterized in that: by virtue of a conventional steel smelting process, the steel comprises the following components in percentage by weight: 0.08-0.55wt% of C, 0.6-3.0wt% of Mn, 0.2-0.6wt% of Si, 0-1.5wt% of Cr, 0-0.3wt% of S and the balance of Fe. After being forged, a cast blank is subjected to heat treatment and ia machined into a part, the microscopic structure of the part is respectively ferrite-pearlite, sorbite and bainite structures at a proper ratio, and the part has tensile strength of 550-1100 MPa and good plasticity and toughness. According to the invention, by adopting inexpensive alloy elements and a simple and convenient heat treatment process, the metal material with the structure and performance requirements can be obtained; and by adopting the low-cost metal material, the use requirement of the force-increasing lead screw can be satisfied and the dependence on the imported force-increasing lead screw in China can be reduced.
Description
Technical field
The present invention relates to metallurgical technology, be specifically related to low-cost reinforcement leading screw with high-performance metal materials and method of manufacture thereof.
Background technology
The reinforcement leading screw is a kind of important special mould clamp of heavy machine tool clamping workpiece.Its consumption on heavy machine tool is very big, is a kind of key part of heavy machine tool.Rely on external certain house journal's technical monopoly to produce in the world, production technology holds in close confidence and its import price costliness.Thereby exploitation reinforcement leading screw production technology is important research project, in view of the strict technical know-how of external reinforcement leading screw technology, domesticly technically in this regard still belongs to blankly, up to the present also do not grasp its core technology, thereby also fails to form production technology.
Domestic up to the present also less than the prior art relevant with the present invention.And international technology exists the shortcoming of valuable product and the characteristics that technical know-how is blocked.
Summary of the invention
The objective of the invention is in order to provide a kind of novel high-performance that satisfies reinforcement leading screw performance requriements low-cost metallic substance.This metallic substance has ferrite-pearlite, sorbite, the bainite structure of suitable proportion, has high-strong toughness and good processing technology; Add and specific heat treatment mode its low cost of manufacture through simple elements.
The present invention aims to provide reinforcement leading screw that a kind of low-cost performance reaches the external product requirement with high-performance metal materials and method of manufacture.
Technical scheme of the present invention is: low-cost reinforcement leading screw is characterized in that with high-performance metal materials and method of manufacture thereof: after smelting with conventional process for making, pour into the pole blank, make the weight percent of each composition in the steel be:
C：?0.08-0.55?wt%
Mn: 0.6-3.0?wt%
Si: 0.2-0.6wt%
Cr: 0-1.5wt%
S: 0-0.3wt%
All the other are Fe,
Rod base diameter is 30-50mm, after high temperature forges, and blank heating to 880 ℃ insulation 1 hour, oil cooling or air cooling are again after 1 hour temper of 500-600 ℃ of insulation; Be processed into part, make its microstructure be respectively ferrite-pearlite, sorbite, the bainite structure of suitable proportion, its tensile strength is at 550-1100MPa and have good plasticity and toughness.
Advantage of the present invention and effect: through using cheap element and simple and feasible thermal treatment process; Can obtain ferrite-pearlite, the sorbite of suitable proportion, the metallic substance of bainite structure; This metallic substance has excellent comprehensive performances, satisfies the request for utilization of reinforcement leading screw.Utilize technology of the present invention, make the reinforcement leading screw of premium properties, can reduce the dependence of China import reinforcement leading screw; This technology expects that from former technology all has characteristics cheaply.
Below in conjunction with embodiment the present invention is done further explain.
Embodiment
1, the preparation of reinforcement leading screw part 1 (wedge awl)
Embodiment 1
After smelting with conventional process for making, cast the pole blank, make in the steel weight percent of each composition as shown in table 1; With above-mentioned blank heating to 880 ℃ insulation 1 hour, air cooling was again in 1 hour temper of 600 ℃ of insulations; Be machined into part 1.Adopt conventional measuring methods such as iron and steel intensity that mechanical property is assessed, the main performance index of its mensuration is referring to table 2.
Table 1, embodiment of the invention chemical ingredients (wt%)
| Embodiment | C | Mn | Si | Cr | S |
| ? ?1 | 0.39 | 1.68 | 0.38 | 0.08 | 0.24 |
| 2 | 0.39 | 1.8-3.0 | 0.37 |
 |
|
| 3 | 0.45 | 0.6 | 0.25 |
 |
 |
The tissue of table 2, the embodiment of the invention and mechanical property
2, the preparation of reinforcement leading screw part 2 (wedge dish), 3 (voussoirs) and 4 (pads)
Embodiment 2
After smelting with conventional process for making, cast the pole blank, make in the steel weight percent of each composition as shown in table 3; With above-mentioned blank heating to 880 ℃ insulation 1 hour, oil cooling was again in 1 hour temper of 500-600 ℃ of insulation; Be machined into part 2,3 and 4.Adopt conventional measuring methods such as iron and steel intensity that mechanical property is assessed, the main performance index of its mensuration is referring to table 4.
Table 3, embodiment of the invention chemical ingredients (wt%)
| Embodiment | C | Mn | Si | Cr |
| 4 | 0.41 | 1.8-3.0 | 0.46 | 1.0 |
| 5 | 0.39 | ? 0.6 | 0.35 | 0.9 |
The tissue of table 4, the embodiment of the invention and mechanical property
The beneficial effect that technical scheme of the present invention is brought
Through using cheap element and simple and feasible thermal treatment process, can obtain ferrite-pearlite, the sorbite of suitable proportion, the metallic substance of bainite structure, this metallic substance has excellent comprehensive performances, satisfies the request for utilization of reinforcement leading screw.Adopt technology of the present invention, make the reinforcement leading screw of premium properties, can reduce the dependence of China import reinforcement leading screw; This technology expects that from former technology all has characteristics cheaply.
Claims (1)
1. a low-cost reinforcement leading screw is characterized in that with high-performance metal materials and method of manufacture thereof: after smelting with conventional process for making, pour into the pole blank, make the weight percent of each composition in the steel be:
C：?0.08-0.55?wt%
Mn: 0.6-3.0?wt%
Si: 0.2-0.6wt%
Cr: 0-1.5wt%
S: 0-0.3wt%
All the other are Fe,
Rod base diameter is 30-50mm, after high temperature forges, and blank heating to 880 ℃ insulation 1 hour, oil cooling or air cooling are again after 1 hour temper of 500-600 ℃ of insulation; Be processed into part, make its microstructure be respectively ferrite-pearlite, sorbite, the bainite structure of suitable proportion, its tensile strength is at 550-1100MPa and have good plasticity and toughness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110383894 CN102418052B (en) | 2011-11-28 | 2011-11-28 | Low-cost high-performance metal material used for force-increasing lead screw and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110383894 CN102418052B (en) | 2011-11-28 | 2011-11-28 | Low-cost high-performance metal material used for force-increasing lead screw and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102418052A true CN102418052A (en) | 2012-04-18 |
| CN102418052B CN102418052B (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110383894 Expired - Fee Related CN102418052B (en) | 2011-11-28 | 2011-11-28 | Low-cost high-performance metal material used for force-increasing lead screw and manufacturing method thereof |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404394A (en) * | 2014-11-07 | 2015-03-11 | 安徽瑞研新材料技术研究院有限公司 | Manufacturing technology of high performance metal material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006017163A (en) * | 2004-06-30 | 2006-01-19 | Nsk Ltd | Rolling support device and manufacturing method of its component |
| CN201267882Y (en) * | 2008-10-28 | 2009-07-08 | 齐齐哈尔二机床(集团)有限责任公司 | Bidirectional mechanical reinforced leadscrew |
| JP2009204069A (en) * | 2008-02-27 | 2009-09-10 | Nsk Ltd | Ball screw device |
-
2011
- 2011-11-28 CN CN 201110383894 patent/CN102418052B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006017163A (en) * | 2004-06-30 | 2006-01-19 | Nsk Ltd | Rolling support device and manufacturing method of its component |
| JP2009204069A (en) * | 2008-02-27 | 2009-09-10 | Nsk Ltd | Ball screw device |
| CN201267882Y (en) * | 2008-10-28 | 2009-07-08 | 齐齐哈尔二机床(集团)有限责任公司 | Bidirectional mechanical reinforced leadscrew |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404394A (en) * | 2014-11-07 | 2015-03-11 | 安徽瑞研新材料技术研究院有限公司 | Manufacturing technology of high performance metal material |
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| CN102418052B (en) | 2013-09-18 |
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