CN103372648B - A kind of manufacture method of motorcycle alignment pin - Google Patents
A kind of manufacture method of motorcycle alignment pin Download PDFInfo
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- CN103372648B CN103372648B CN201210111861.8A CN201210111861A CN103372648B CN 103372648 B CN103372648 B CN 103372648B CN 201210111861 A CN201210111861 A CN 201210111861A CN 103372648 B CN103372648 B CN 103372648B
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- alignment pin
- metal dust
- sintering
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Abstract
A manufacture method for motorcycle alignment pin, is characterized in that: be raw material with metal dust and be filled in motorcycle alignment pin mould, carrying out sintering after compressing.The present invention is that raw material makes metal dust alloying become steel alloy by compacting, sintering with metal dust, not only avoid the waste of steel, significantly save iron and steel resource, and the motorcycle alignment pin produced has the mechanical performance of steel, simultaneously through Overheating Treatment and necessary machining, further increase its mechanical performance and Total Product quality, also increase substantially production efficiency.Production technology of the present invention is simple, and Product Precision is high, and uniformity is good, ensure that the constant product quality of batch production.
Description
Technical field
The present invention relates to a kind of motorcycle alignment pin, be specifically related to a kind of manufacture method of motorcycle alignment pin.
Background technology
The manufacture method of existing motorcycle alignment pin is that raw material is processed by multiple working procedures such as forging, heat treatment, surface treatment, machineds with round steel, not only the process-cycle is long, and surface quality is poor, and production efficiency is low, and allowance is large, causes the serious waste of steel resources.
Goal of the invention
The object of the present invention is to provide a kind ofly does not have allowance and the manufacture method of the high motorcycle alignment pin of production efficiency.
The object of the present invention is achieved like this, and a kind of manufacture method of motorcycle alignment pin, is characterized in that: with metal dust be raw material compressing in a mold after sinter.
The process conditions of above-mentioned compacting comprise press temperature: room temperature; Pressing pressure: 7-12 ton; Compacted products density: 6.4-7.2g/cm
3.
The process conditions of above-mentioned sintering comprise sintering temperature: 1000-1200 DEG C; Sintering time: 3-10 hour; Sintering atmosphere: nitrogen hydrogen mixeding gas.
Above-mentioned metal dust is two or more in iron powder, copper powder, nickel powder and molybdenum powder.
In order to improve product mechanical performance, be added with graphite powder in above-mentioned metal dust, described graphite powder is powder used in metallurgy graphite powder.
In order to improve product surface quality, be added with lubricant in above-mentioned metal dust, described lubricant is zinc stearate or micro mist wax or synthetic wax.
Before compressing, above-mentioned metal dust will mix with lubricant in mixing apparatus, and described mixing apparatus is conical mixer or V-arrangement batch mixer or three-dimensional material mixer.
The equipment that above-mentioned compacting adopts is hydraulic press or mechanical press.
Above-mentioned sintering adopts agglomerating plant, and described agglomerating plant is meshbeltfurnace or pushes away boat stove.
In order to improve product mechanical performance, hardness and wearability further, the motorcycle alignment pin after above-mentioned sintering also will be heat-treated, and described Equipment for Heating Processing is well formula glowing furnace or mesh-belt quenching furnace or multiplex glowing furnace.
In order to improve processing precision of products further, the motorcycle alignment pin after above-mentioned heat treatment also will carry out machining again.
Above-mentioned machining adopts machining apparatus, and described machining apparatus comprises centerless grinder, drilling machine and milling machine.
Above-mentioned mould comprise former, upper punch, next punching and following two punch, be provided with die cavity in described former, be provided with in die cavity next punching and following two punch and be set with and form motorcycle alignment pin model with described upper punch.
During compacting, first loaded by metal dust enter in described die cavity, the downward punching press of upper punch, make metal dust be pressed into motorcycle alignment pin, then upper punch is up, the depanning of motorcycle alignment pin.
The present invention has following beneficial effect: the present invention is that raw material makes metal dust alloying become steel alloy by compacting, sintering with metal dust, the complete mechanical machining of the motorcycle alignment pin made, without allowance, avoid the waste of steel, significantly save iron and steel resource.Its steel consumption of method that existing employing round steel manufactures motorcycle alignment pin is 28.5g/ part, and steel consumption of the present invention is 9g/ part, and compared with prior art, the present invention can saving steel raw material 68%; By needing 3,000,000 motorcycle alignment pins to calculate in market year, every year can saving steel 58.5 tons; By steel per ton 5000 yuan calculating, every year can saving steel cost of material 29.25 ten thousand yuan; Meanwhile, because present invention process is simple, operation is few, compared with prior art, has significantly saved cost of labor, and the cost of labor of prior art is 0.136 yuan/part, and cost of labor of the present invention is 0.055 yuan/part.In a word, the present invention considerably reduces production cost, is conducive to knocking down price, enhances competitiveness.
Manufacture method of the present invention is that metal dust alloying is become steel alloy, the motorcycle alignment pin produced has the mechanical performance of steel, simultaneously through Overheating Treatment and necessary machining, further increase its mechanical performance, hardness, wearability and dimensional accuracy, improve Total Product quality.
The motorcycle alignment pin production efficiency of prior art is 1/10 minutes, and production efficiency of the present invention is 1/1 minute, is 10 times of prior art, has increased substantially production efficiency.
The present invention adopts mould compressing, and Product Precision is high, and uniformity is good, ensure that the constant product quality of batch production.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention process chart;
Fig. 2 is embodiment of the present invention motorcycle alignment pin mould structure schematic diagram;
Fig. 3 is the compressing schematic diagram of motorcycle alignment pin of the present invention;
Fig. 4 is motorcycle alignment pin depanning schematic diagram of the present invention.
Detailed description of the invention
Embodiment 1, a kind of manufacture method of motorcycle alignment pin, technological process is see Fig. 1, take metal dust as raw material, metal dust select in iron powder, copper powder, nickel powder and molybdenum powder two or more, add graphite powder, then be loaded in mould after adding mix lubricant, carry out after compressing sintering, heat treatment and machining.
See Fig. 2, mould comprises former 1, upper punch 2, next punching 4 and following two punch 5, is provided with die cavity 3 in institute's former 1, is provided with next punching 4 and following two punch 5 and suit form motorcycle alignment pin 7 model with upper punch 2 in die cavity 3.Punching course is see Fig. 2, Fig. 3 and Fig. 4, and first metal dust 6 is loaded 3 li, progressive die chamber, upper punch 2 is suppressed downwards, and make metal dust 6 be pressed into motorcycle alignment pin 7, then upper punch 2 is up, motorcycle alignment pin 7 depanning.
Before compressing, metal dust mixes in mixing apparatus with lubricant, and mixing apparatus selects conical mixer, also can use V-arrangement batch mixer or three-dimensional material mixer.
Compacting adopts hydraulic press or mechanical press, and process conditions are press temperature: room temperature; Pressing pressure: 10 tons; Compacted products density: 7g/cm
3.
Sintering adopts meshbeltfurnace or pushes away boat stove, and process conditions are sintering temperature: 1150 DEG C; Sintering time: 7 hours; Sintering atmosphere: nitrogen hydrogen mixeding gas.
Heat-treat after sintering, Equipment for Heating Processing selects well formula glowing furnace, also can with mesh-belt quenching furnace or multiplex glowing furnace.
Adopt machining apparatus to carry out machining again after heat treatment, machining apparatus comprises centerless grinder, drilling machine and milling machine.
Embodiment 2, a kind of manufacture method of motorcycle alignment pin, see embodiment 1, is with the difference of embodiment 1, and the pressing pressure of pressing process is 12 tons; Compacted products density is 7.2g/cm
3; Sintering process conditions is sintering temperature 1200 DEG C; Sintering time is 10 hours.
Embodiment 3, a kind of manufacture method of motorcycle alignment pin, see embodiment 1, is with the difference of embodiment 1, and the pressing pressure of pressing process is 7 tons; Compacted products density is 6.4g/cm
3; Sintering process conditions is sintering temperature 1000 DEG C; Sintering time is 3 hours.
Claims (4)
1. a manufacture method for motorcycle alignment pin, is characterized in that: with metal dust be raw material compressing in a mold after sinter; Described mould comprises former (1), upper punch (2), next rushes (4) and following two punch (5), die cavity (3) is provided with in described former (1), be provided with in described die cavity (3) next punching (4) and following two punch (5) and be set with and form motorcycle alignment pin (7) model with described upper punch (2), it is inner that metal dust (6) is seated in described die cavity (3); The process conditions of described compacting comprise press temperature: room temperature; Pressing pressure: 7-12 ton; Compacted products density: 6.4-7.2g/cm3; The process conditions of described sintering comprise sintering temperature: 1000-1300 DEG C; Sintering time: 3-10 hour; Sintering atmosphere: nitrogen hydrogen mixeding gas; Described metal dust is two or more in iron powder, copper powder, nickel powder and molybdenum powder; Be added with graphite powder in described metal dust, described graphite powder is powder used in metallurgy graphite powder; Be added with lubricant in described metal dust, described lubricant is zinc stearate or micro mist wax or synthetic wax.
2. as the manufacture method of claim 1 motorcycle alignment pin, it is characterized in that: before compressing, described metal dust will mix with described lubricant in mixing apparatus, and described mixing apparatus is conical mixer or V-arrangement batch mixer or three-dimensional material mixer.
3. the manufacture method of motorcycle alignment pin as claimed in claim 2, is characterized in that: the equipment that described compacting adopts is hydraulic press or mechanical press; The agglomerating plant that described sintering adopts is meshbeltfurnace or pushes away boat stove.
4. the manufacture method of motorcycle alignment pin as claimed in claim 3, is characterized in that: also will heat-treat after described sintering, and described Equipment for Heating Processing is well formula glowing furnace or mesh-belt quenching furnace or multiplex glowing furnace; Also will carry out machining again after described heat treatment, described machining adopts machining apparatus, and described machining apparatus comprises centerless grinder, drilling machine and milling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210111861.8A CN103372648B (en) | 2012-04-17 | 2012-04-17 | A kind of manufacture method of motorcycle alignment pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210111861.8A CN103372648B (en) | 2012-04-17 | 2012-04-17 | A kind of manufacture method of motorcycle alignment pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103372648A CN103372648A (en) | 2013-10-30 |
| CN103372648B true CN103372648B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210111861.8A Active CN103372648B (en) | 2012-04-17 | 2012-04-17 | A kind of manufacture method of motorcycle alignment pin |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625630B (en) * | 2014-12-24 | 2017-01-11 | 宁波瑞国精机工业有限公司 | Wear-resisting pin shaft and machining method thereof |
| CN107470635A (en) * | 2017-08-02 | 2017-12-15 | 重庆聚能粉末冶金股份有限公司 | A kind of powder metallurgically manufacturing method of driven gear |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000239707A (en) * | 1999-02-22 | 2000-09-05 | Agency Of Ind Science & Technol | Pressurized sintering method |
| CN1288794A (en) * | 1999-08-12 | 2001-03-28 | 印杰克斯有限公司 | Method for producing screw |
| CN1559816A (en) * | 2004-02-24 | 2005-01-05 | 浙江天石粉末冶金有限公司 | Automobile tyre antislide nail and its manufacturing method |
| CN1907603A (en) * | 2006-08-08 | 2007-02-07 | 海门市常乐粉末冶金厂 | Manufacture method and die for powder metallurgy inside spin ratchet wheel |
-
2012
- 2012-04-17 CN CN201210111861.8A patent/CN103372648B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000239707A (en) * | 1999-02-22 | 2000-09-05 | Agency Of Ind Science & Technol | Pressurized sintering method |
| CN1288794A (en) * | 1999-08-12 | 2001-03-28 | 印杰克斯有限公司 | Method for producing screw |
| CN1559816A (en) * | 2004-02-24 | 2005-01-05 | 浙江天石粉末冶金有限公司 | Automobile tyre antislide nail and its manufacturing method |
| CN1907603A (en) * | 2006-08-08 | 2007-02-07 | 海门市常乐粉末冶金厂 | Manufacture method and die for powder metallurgy inside spin ratchet wheel |
Non-Patent Citations (2)
| Title |
|---|
| 低成本高比重细长钨钉配重零件的研制;吴苑标等;《粉末冶金工业》;20050630;第15卷(第03期);40-42 * |
| 粉末冶金正时销座的设计与开发;师磊;《国外建材科技》;20080831;第29卷(第04期);61-62 * |
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| CN103372648A (en) | 2013-10-30 |
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