CN1039265A - Produce the novel method of roller chain with low-carbon low-alloy steel - Google Patents
Produce the novel method of roller chain with low-carbon low-alloy steel Download PDFInfo
- Publication number
- CN1039265A CN1039265A CN 88104188 CN88104188A CN1039265A CN 1039265 A CN1039265 A CN 1039265A CN 88104188 CN88104188 CN 88104188 CN 88104188 A CN88104188 A CN 88104188A CN 1039265 A CN1039265 A CN 1039265A
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- low
- steel
- chain
- alloy steel
- carbon
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- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000010791 quenching Methods 0.000 claims abstract description 11
- 238000005496 tempering Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 230000000171 quenching effect Effects 0.000 claims abstract description 8
- 238000005097 cold rolling Methods 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 3
- 238000007669 thermal treatment Methods 0.000 claims description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 239000010960 cold rolled steel Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000013332 literature search Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The present invention is a kind of method of producing high strength bicycle chain or industrial roller chain through continuous heating quenching, temper with common low carbon, low alloy steel cold-rolled steel strip, it is characterized in that steel band, then with the quenching of special-purpose band steel continuous heat treating furnace, tempering with the cold rolling one-tenth 0.85-1.0mm of low-carbon low-alloy steel elder generation.Technological process is that quenching temperature is 870-890 ℃, and be 2-3 minute heat-up time, and the press oil spout is quenched, tempering then, and tempering temperature is 200-350 ℃.Steel band tensile strength is up to 150-160kg/mm
2
Advantage of the present invention is a material-saving more than 25%, alleviates chain gross weight 20%.
Description
The present invention is a kind of with common low carbon low-alloy cold rolled strip, through the novel method of continuous heating quenching, temper production high strength bicycle and industrial roller chain.
Roller chain is bike and the chaindriven major parts of other many industrial equipmentss.It is mainly by interior sheet, outer plate, and interior cover, five portion partss such as roll sleeve and little axle are formed.According to service condition, main destructive part is outer plate or interior sheet.The bike that China produces at present and the chain sheet of industrial small size roller chain mainly are to use the steel band of low alloy steel through cold rolling working hardening, directly are washed into, so its intensity is lower.For the high-quality chain standard that reaches bike (pull-off force 〉=817kg), the thickness of chain sheet all 〉=1.2mm, even reached more than the 1.3mm.The ordinary bicycle chain of selling on the present world market, it is thick that the chain sheet mostly is 1.0mm, but its pull-off force is about 950kg all greater than 817kg as West Germany's product, and taiwan products is about 850kg.The bicycle shift chain that the world market needs in a large number, its chain sheet thickness is 1.0mm.Its production technique of experimental analysis is after adopting the quenching and tempering steel band to be washed into type, to quench with the controlled atmosphere continuous heat treating furnace per sample, and temper is to reach the high strength requirement.
Technology related to the present invention by literature search has Japanese Patent J79032091, and its material of J50126530 is suitable with the present invention, but production method is a carburizing and quenching after the punching, and its technology is different with the present invention.
French Patent FR2482233, Deutsches Reichs-Patent 3161481 is the inventions of saving chain sheet materials, its method is to change chain sheet geometrical shape and stamping and discharging standard.Adopting this invention is clout minimizing after the punching, and recovery rate improves, but the variation of chain gross weight is very little, does not alleviate deadweight substantially.
In recent years, quench after China most bicycle chain factory all continues to use external quenched and tempered steel moulding, the tempered thermal treatment process, but this technology needs special-purpose atmosphere controlled heat treatment furnace, domestic amorphous products still, introducing a stove need 30～400,000 dollar; In addition, the quenching and tempering steel band does not have supply channel at bicycle trade.Though, all do not form throughput so present trial production person is many.
The invention reside in and providing a kind of is raw material with the low-carbon low-alloy steel, and the production high strength approaches chain, not only saves material but also alleviate the novel method of chain deadweight.
It is raw material that the present invention adopts the widely used low-carbon low-alloy steel of bicycle chain industry, the common chain of earlier cold rolling one-tenth 0.85(with)～the 1.0mm(speed-changing chain with) steel band, adopt then that special-purpose band steel continuous heat treating furnace quenches, temper.This heat treatment furnace is band steel thermal treatment general-purpose equipment (investing 150,000 yuan of about Renminbi for every), and its technological process is:
Steel grade: 20MnSi
Heating temperature: 870～890 ℃
Heat-up time: 2～3 minutes or rate of heating 2.8～3.1m/ branch.
The press oil spout is quenched, tempering then, and 200～350 ℃ of steel band intensity of producing through this art breading of tempering temperature are up to 150～160kg/mm
2Directly be washed into the chain sheet, be assembled into chain.
Advantage of the present invention is to improve chain intensity, satisfy the needs of speed-changing chain, alleviate the deadweight of chain, economical with materials, save chain sheet materials more than 25% if produce common chain, make the chain gross weight alleviate 20%, calculate (throughput that is equivalent to a stove) to produce 1,500,000 chains, can save 300 tons of steel, close 600,000 yuan of Renminbi.
Embodiment
Claims (2)
1, a kind ofly it is characterized in that steel band with the earlier cold rolling one-tenth of low-carbon low-alloy steel 0.85-1.0mm with the production method of low-carbon low-alloy steel for the thin chain of raw material production high strength, then with special-purpose band steel continuous heat treating furnace quench, temper.
2,, it is characterized in that the thermal treatment process of handling the low-carbon and low-alloy steel band is according to the described production method of claim 1:
Heating temperature: 870～890 ℃,
Heat-up time: 2～3 minutes (or rate of heating is 2.8～3.1m/ branch),
Press oil spout quenching then, tempering again, tempering temperature is 200～350 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88104188 CN1014211B (en) | 1988-07-12 | 1988-07-12 | Method for producing roller chain with low-carbon low-alloy steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88104188 CN1014211B (en) | 1988-07-12 | 1988-07-12 | Method for producing roller chain with low-carbon low-alloy steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1039265A true CN1039265A (en) | 1990-01-31 |
| CN1014211B CN1014211B (en) | 1991-10-09 |
Family
ID=4832912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88104188 Expired CN1014211B (en) | 1988-07-12 | 1988-07-12 | Method for producing roller chain with low-carbon low-alloy steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1014211B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063364C (en) * | 1994-08-16 | 2001-03-21 | 托比工业株式会社 | Method for producing a vehicular endless track link |
| CN101121956B (en) * | 2007-09-14 | 2010-12-08 | 南京利民机械有限责任公司 | Heat treatment method for using common carbon steel Q235 as link joint of bicycle chain |
| CN101121957B (en) * | 2007-09-14 | 2011-03-30 | 南京利民机械有限责任公司 | Link joint strengthening method for bicycle chain under weak carbon potential atmosphere |
| CN101649378B (en) * | 2009-09-11 | 2011-04-20 | 中冶南方(武汉)威仕工业炉有限公司 | Method for low-temperature tempering heat treatment by using steel plate continuous heat-treating furnace |
| CN102205482A (en) * | 2011-05-13 | 2011-10-05 | 山东良达发兴圆环链有限公司 | Method for producing round-link chain |
| CN103114196A (en) * | 2013-01-18 | 2013-05-22 | 浙江建宏链传动材料有限公司 | Continuous production technology of chain sleeve material |
| CN103433419A (en) * | 2013-08-06 | 2013-12-11 | 浙江诸暨建设链条制造有限公司 | Technology for processing chain |
| CN106884076A (en) * | 2015-12-16 | 2017-06-23 | 常熟宝升精冲材料有限公司 | A kind of destressing tempering method of SPCC-1B materials |
| CN115261565A (en) * | 2022-06-29 | 2022-11-01 | 河钢股份有限公司 | Heat treatment method suitable for 35MnB steel wear-resistant part |
-
1988
- 1988-07-12 CN CN 88104188 patent/CN1014211B/en not_active Expired
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063364C (en) * | 1994-08-16 | 2001-03-21 | 托比工业株式会社 | Method for producing a vehicular endless track link |
| CN101121956B (en) * | 2007-09-14 | 2010-12-08 | 南京利民机械有限责任公司 | Heat treatment method for using common carbon steel Q235 as link joint of bicycle chain |
| CN101121957B (en) * | 2007-09-14 | 2011-03-30 | 南京利民机械有限责任公司 | Link joint strengthening method for bicycle chain under weak carbon potential atmosphere |
| CN101649378B (en) * | 2009-09-11 | 2011-04-20 | 中冶南方(武汉)威仕工业炉有限公司 | Method for low-temperature tempering heat treatment by using steel plate continuous heat-treating furnace |
| CN102205482A (en) * | 2011-05-13 | 2011-10-05 | 山东良达发兴圆环链有限公司 | Method for producing round-link chain |
| CN102205482B (en) * | 2011-05-13 | 2013-06-12 | 山东良达发兴圆环链有限公司 | Method for producing round-link chain |
| CN103114196A (en) * | 2013-01-18 | 2013-05-22 | 浙江建宏链传动材料有限公司 | Continuous production technology of chain sleeve material |
| CN103433419A (en) * | 2013-08-06 | 2013-12-11 | 浙江诸暨建设链条制造有限公司 | Technology for processing chain |
| CN106884076A (en) * | 2015-12-16 | 2017-06-23 | 常熟宝升精冲材料有限公司 | A kind of destressing tempering method of SPCC-1B materials |
| CN115261565A (en) * | 2022-06-29 | 2022-11-01 | 河钢股份有限公司 | Heat treatment method suitable for 35MnB steel wear-resistant part |
| CN115261565B (en) * | 2022-06-29 | 2023-11-21 | 河钢股份有限公司 | Heat treatment method suitable for 35MnB steel wear-resistant piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1014211B (en) | 1991-10-09 |
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