CN103789630B - A kind of carbon steel work-piece production method for speed skate blade - Google Patents
A kind of carbon steel work-piece production method for speed skate blade Download PDFInfo
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- CN103789630B CN103789630B CN201410035501.3A CN201410035501A CN103789630B CN 103789630 B CN103789630 B CN 103789630B CN 201410035501 A CN201410035501 A CN 201410035501A CN 103789630 B CN103789630 B CN 103789630B
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Abstract
The invention discloses a kind of production method of the carbon steel work-piece for speed skate blade, Mn, V, Cu, Zr and rare earth element are incorporated in speed skate blade carbon steel as useful alloy element, and manganese and v element ensure that carbon steel has good intensity and hardness; Meanwhile, by the means of forge hot pressure and sub-zero treatment, carbon steel is made to improve wear resisting property and work-ing life; In addition, the interpolation of rare earth element, refinement carbon steel tissue, further enhancing carbon steel intensity, and makes carbon steel maintain good mechanical property in actual applications.
Description
Technical field
The present invention relates to speed skate blade carbon steel material field, specifically, relate to a kind of carbon steel work-piece production method for speed skate blade.
Background technology
Skating is the body-building that people generally like, for those skating fan, can have the handy skate of a pair of undoubtedly for ice-sports are made something perfect even more perfect.The quality of a pair of skate, key depends on skates.The normally used bob skate of current people divides two types: a kind of is with the longer speed skate for feature of blade, and one is large compared with short longitudinal curvature with blade, the ball cutter moving nimbly and freely.The inner quality of speed skate blade steel determines use properties and the life-span of skates.Biomechanics Research person, created and want by means of skates the beginning of the eighties, improved the conception of speed skating achievement.Under the leading that 1985 award in the auspicious special education of Dutch lattice, a group scientists has manufactured first pair of with gemel skates model.This research is continued until the mid-90.In the 1996-1997 racing season of Winter Olympic Games the previous year, 3 female athletes of national team of Holland take risks and employ the novel skates of scientist by developing steel improvement, and result is that Dutch player Tang Ni uses this skates to win first piece of gold medal at one stroke in European ski-running championship.After the fact absolutely proves the improvement in performance to skates steel, more enjoyment can be brought to skating.
At present, according to the use needs of speed skate blade, the performance requriementss such as higher, the shock-resistant and bending resistance of high-wearing feature, hardness are proposed to its steel.In prior art, the Conventional process steps such as quenching, tempering, carburizing are mainly comprised to the working method of speed skate blade carbon steel work-piece.But method of the prior art more or less all comes with some shortcomings.
Summary of the invention
In order to solve the use properties improving speed skate blade, the invention provides a kind of carbon steel work-piece production method for speed skate blade, the method can obtain the speed skate blade carbon steel with high rigidity and good composite performance.
The technical solution used in the present invention is: the production method of the described carbon steel work-piece for speed skate blade comprises the following steps: working stock, rolling, annealing, forge hot pressure, polish, sub-zero treatment, leveling, final obtain the carbon steel work-piece being used for speed skate blade.In working stock step, the composition of described blank is by weight percentage: the C of 0.23% ~ 0.32%, the Si of 0.08% ~ 0.12%, the Mn of 0.95% ~ 1.05%, the Ce of 1.20% ~ 1.50%, the Cu of 0.40% ~ 0.60%, the Al of 0.05% ~ 0.10%, the V of 0.03% ~ 0.05%, be not more than the S of 0.001%, be not more than the P of 0.001%, be not more than the Mg of 0.10%, be not more than the Mo of 0.10%, surplus is iron and inevitable impurity.
The step of described carbon steel work-piece production method is specially:
A, working stock;
B, rolling, by the blank heating of having smelted to 1050 ~ 1080 DEG C, carry out hot rolling, and coil into coiled material at 600 ~ 650 DEG C, by one-tenth cold-rolled steel sheet cold rolling after described coiled material pickling;
C, annealing, described cold-rolled steel sheet is heated to 820 DEG C ~ 860 DEG C with the heat-up rate of 50 ~ 60 DEG C/h, insulation, then air cooling to 250 ~ 300 DEG C, then, then with the heat-up rate of 60 ~ 80 DEG C/h heating die sleeve to 450 DEG C ~ 500 DEG C, insulation, then oil cooling to 250 ~ 300 DEG C, then air cooling is to room temperature;
D, forge hot pressure, under steel plate after annealing being heated to be not less than the condition of 600 DEG C, carry out that pier is thick, pulling operation is no less than 4 times, and each pier is thick, forging ratio >=4 of pulling, carry out round as a ball, finishing operations more afterwards, thus obtain the radial forge hot pressure workpiece with fiber flow direction;
E, to polish, described forge hot pressure workpiece is carried out surface corase grind, refines;
F, sub-zero treatment, polish the workpiece after processing carry out sub-zero treatment by described, being placed on temperature is in the liquid nitrogen deep cryostat of-60 DEG C, is incubated 3 ~ 4 hours;
G, leveling, by the workpiece after described sub-zero treatment, carry out smooth process by smooth grinding, deburring again, the final carbon steel work-piece obtained for speed skate blade.
The composition of described blank also contains the La of 0.005% ~ 0.01%, the Co of 0.001% ~ 0.01%, the Zr of 0.01% ~ 0.02%, the Ag of 0.001% ~ 0.003%.
The carbon steel work-piece for speed skate blade of described final acquisition, its hardness is 62 ~ 65HRC.
Advantage of the present invention is: the present invention proposes and Mn, V, Cu, Zr and rare earth element are incorporated into the new approaches in speed skate blade carbon steel as useful alloy element, and manganese and v element ensure that carbon steel has good intensity and hardness; Meanwhile, by the means of forge hot pressure and sub-zero treatment, carbon steel is made to improve wear resisting property and work-ing life; In addition, the interpolation of rare earth element, refinement carbon steel tissue, further enhancing carbon steel intensity, and makes carbon steel maintain good mechanical property in actual applications.
Embodiment
Below in conjunction with embodiment and comparative example, the present invention is described in more detail.
Embodiment 1:
Production method for the carbon steel work-piece of speed skate blade comprises the following steps: a, working stock, the composition of described blank is by weight percentage: the C of 0.25%, the Si of 0.08%, the Mn of 1.00%, the Ce of 1.20%, the Cu of 0.50%, the Al of 0.05%, the V of 0.05%, be not more than the S of 0.001%, be not more than the P of 0.001%, be not more than the Mg of 0.10%, be not more than the Mo of 0.10%, 0.005%La, the Co of 0.001%, the Zr of 0.02%, the Ag of 0.003%, surplus is iron and inevitable impurity.B, rolling, by the blank heating of having smelted to 1080 DEG C, carry out hot rolling, and coil into coiled material at 650 DEG C, by one-tenth cold-rolled steel sheet cold rolling after described coiled material pickling; C, annealing, be heated to 820 DEG C by described cold-rolled steel sheet with the heat-up rate of 50 DEG C/h, insulation, then air cooling to 300 DEG C, then, then with the heat-up rate of 80 DEG C/h heating die sleeve to 500 DEG C, insulation, then oil cooling to 300 DEG C, then air cooling is to room temperature; D, forge hot pressure, under steel plate after annealing being heated to be not less than the condition of 600 DEG C, carry out that pier is thick, pulling operation is no less than 4 times, and each pier is thick, forging ratio >=4 of pulling, carry out round as a ball, finishing operations more afterwards, thus obtain the radial forge hot pressure workpiece with fiber flow direction; E, to polish, described forge hot pressure workpiece is carried out surface corase grind, refines; F, sub-zero treatment, polish the workpiece after processing carry out sub-zero treatment by described, being placed on temperature is in the liquid nitrogen deep cryostat of-60 DEG C, is incubated 4 hours; G, leveling, by the workpiece after described sub-zero treatment, carry out smooth process by smooth grinding, deburring again, and the final carbon steel work-piece obtained for speed skate blade, its hardness is 65HRC.
Embodiment 2:
Production method for the carbon steel work-piece of speed skate blade comprises the following steps: a, working stock, the composition of described blank is by weight percentage: the C of 0.28%, the Si of 0.09%, the Mn of 0.95%, the Ce of 1.20%, the Cu of 0.60%, the Al of 0.10%, the V of 0.05%, be not more than the S of 0.001%, be not more than the P of 0.001%, be not more than the Mg of 0.10%, be not more than the Mo of 0.10%, the La of 0.01%, the Co of 0.01%, the Zr of 0.02%, the Ag of 0.001%, surplus is iron and inevitable impurity.B, rolling, by the blank heating of having smelted to 1080 DEG C, carry out hot rolling, and coil into coiled material at 600 DEG C, by one-tenth cold-rolled steel sheet cold rolling after described coiled material pickling; C, annealing, be heated to 850 DEG C by described cold-rolled steel sheet with the heat-up rate of 60 DEG C/h, insulation, then air cooling to 280 DEG C, then, then with the heat-up rate of 70 DEG C/h heating die sleeve to 480 DEG C, insulation, then oil cooling to 280 DEG C, then air cooling is to room temperature; D, forge hot pressure, under steel plate after annealing being heated to be not less than the condition of 600 DEG C, carry out that pier is thick, pulling operation is no less than 4 times, and each pier is thick, forging ratio >=4 of pulling, carry out round as a ball, finishing operations more afterwards, thus obtain the radial forge hot pressure workpiece with fiber flow direction; E, to polish, described forge hot pressure workpiece is carried out surface corase grind, refines; F, sub-zero treatment, polish the workpiece after processing carry out sub-zero treatment by described, being placed on temperature is in the liquid nitrogen deep cryostat of-60 DEG C, is incubated 3 hours; G, leveling, by the workpiece after described sub-zero treatment, carry out smooth process by smooth grinding, deburring again, and the final carbon steel work-piece obtained for speed skate blade, its hardness is 62HRC.
Embodiment 3:
Production method for the carbon steel work-piece of speed skate blade comprises the following steps: a, working stock; , the composition of described blank is by weight percentage: the C of 0.32%, the Si of 0.12%, the Mn of 0.95%, the Ce of 1.50%, the Cu of 0.60%, the Al of 0.08%, the V of 0.05%, be not more than the S of 0.001%, be not more than the P of 0.001%, be not more than the Mg of 0.10%, be not more than the Mo of 0.10%, surplus is iron and inevitable impurity.B, rolling, by the blank heating of having smelted to 1080 DEG C, carry out hot rolling, and coil into coiled material at 630 DEG C, by one-tenth cold-rolled steel sheet cold rolling after described coiled material pickling; C, annealing, be heated to 860 DEG C by described cold-rolled steel sheet with the heat-up rate of 60 DEG C/h, insulation, then air cooling to 300 DEG C, then, then with the heat-up rate of 80 DEG C/h heating die sleeve to 500 DEG C, insulation, then oil cooling to 300 DEG C, then air cooling is to room temperature; D, forge hot pressure, under steel plate after annealing being heated to be not less than the condition of 600 DEG C, carry out that pier is thick, pulling operation is no less than 4 times, and each pier is thick, forging ratio >=4 of pulling, carry out round as a ball, finishing operations more afterwards, thus obtain the radial forge hot pressure workpiece with fiber flow direction; E, to polish, described forge hot pressure workpiece is carried out surface corase grind, refines; F, sub-zero treatment, polish the workpiece after processing carry out sub-zero treatment by described, being placed on temperature is in the liquid nitrogen deep cryostat of-60 DEG C, is incubated 3 hours; G, leveling, by the workpiece after described sub-zero treatment, carry out smooth process by smooth grinding, deburring again, and the final carbon steel work-piece obtained for speed skate blade, its hardness is 64HRC.
Comparative example 1:
By the carbon steel identical with embodiment of the present invention moiety, without sub-zero treatment after annealing and hot forging step, then the final carbon steel work-piece obtained for speed skate blade, its hardness is only 55HRC, and work-ing life significantly shortens.
Comparative example 2:
Change the component of embodiment of the present invention carbon steel, do not add Mn, V, Cu and rare earth element, then after adopting same thermal treatment and sub-zero treatment step, final the obtained carbon steel work-piece for speed skate blade, its hardness is only 50HRC, and obvious decline all appears in wear resistance and work-ing life.
As can be seen from embodiment 1-3 and comparative example 1 and 2, by utilizing the production method according to the carbon steel work-piece for speed skate blade of the embodiment of the present invention, Mn, V, Cu, Zr and rare earth element are incorporated into the new approaches in speed skate blade carbon steel as useful alloy element, and manganese and v element ensure that carbon steel has good intensity and hardness; Meanwhile, by the means of forge hot pressure and sub-zero treatment, carbon steel is made to improve wear resisting property and work-ing life; In addition, the interpolation of rare earth element, refinement carbon steel tissue, further enhancing carbon steel intensity, and makes carbon steel maintain good mechanical property in actual applications.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (3)
1., for a carbon steel work-piece production method for speed skate blade, the step of described carbon steel work-piece production method is specially:
A, working stock, the composition of described blank is by weight percentage: the C of 0.23% ~ 0.32%, the Si of 0.08% ~ 0.12%, the Mn of 0.95% ~ 1.05%, the Ce of 1.20% ~ 1.50%, the Cu of 0.40% ~ 0.60%, the Al of 0.05% ~ 0.10%, the V of 0.03% ~ 0.05%, be not more than the S of 0.001%, be not more than the P of 0.001%, be not more than the Mg of 0.10%, be not more than the Mo of 0.10%, surplus is iron and inevitable impurity;
B, rolling, by the blank heating of having smelted to 1050 ~ 1080 DEG C, carry out hot rolling, and coil into coiled material at 600 ~ 650 DEG C, by one-tenth cold-rolled steel sheet cold rolling after described coiled material pickling;
C, annealing, described cold-rolled steel sheet is heated to 820 DEG C ~ 860 DEG C with the heat-up rate of 50 ~ 60 DEG C/h, insulation, then air cooling to 250 ~ 300 DEG C, then, then with the heat-up rate of 60 ~ 80 DEG C/h heating die sleeve to 450 DEG C ~ 500 DEG C, insulation, then oil cooling to 250 ~ 300 DEG C, then air cooling is to room temperature;
D, forge hot pressure, under steel plate after annealing being heated to be not less than the condition of 600 DEG C, carry out that pier is thick, pulling operation is no less than 4 times, and each pier is thick, forging ratio >=4 of pulling, carry out round as a ball, finishing operations more afterwards, thus obtain the radial forge hot pressure workpiece with fiber flow direction;
E, to polish, described forge hot pressure workpiece is carried out surface corase grind, refines;
F, sub-zero treatment, polish the workpiece after processing carry out sub-zero treatment by described, being placed on temperature is in the liquid nitrogen deep cryostat of-60 DEG C, is incubated 3 ~ 4 hours;
G, leveling, by the workpiece after described sub-zero treatment, carry out smooth process by smooth grinding, deburring again, the final carbon steel work-piece obtained for speed skate blade.
2. the carbon steel work-piece production method for speed skate blade according to claim 1, it is characterized in that, the composition of described blank also contains the La of 0.005% ~ 0.01%, the Co of 0.001% ~ 0.01%, the Zr of 0.01% ~ 0.02%, the Ag of 0.001% ~ 0.003%.
3. the carbon steel work-piece production method for speed skate blade according to claim 1, is characterized in that, the carbon steel work-piece for speed skate blade of described final acquisition, and its hardness is 62 ~ 65HRC.
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| CN104694845B (en) * | 2015-04-04 | 2016-11-30 | 胡贤晨 | The heat treatment method of a kind of bumper and this bumper |
| CN111283204A (en) * | 2020-02-18 | 2020-06-16 | 北京科技大学 | Preparation method of chromium-molybdenum-vanadium type quick-skating skates material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102892910A (en) * | 2010-05-10 | 2013-01-23 | 新日铁住金株式会社 | High-strength steel sheet and method for producing same |
| CN103305761A (en) * | 2013-06-14 | 2013-09-18 | 首钢总公司 | Corrosion-resistant steel for bottom board in cargo oil compartment of crude oil tanker |
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| JP3089882B2 (en) * | 1993-03-09 | 2000-09-18 | 日本鋼管株式会社 | Abrasion-resistant steel having excellent surface properties and method for producing the same |
| JP4362219B2 (en) * | 2000-10-11 | 2009-11-11 | 新日本製鐵株式会社 | Steel excellent in high temperature strength and method for producing the same |
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| CN102892910A (en) * | 2010-05-10 | 2013-01-23 | 新日铁住金株式会社 | High-strength steel sheet and method for producing same |
| CN103305761A (en) * | 2013-06-14 | 2013-09-18 | 首钢总公司 | Corrosion-resistant steel for bottom board in cargo oil compartment of crude oil tanker |
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