CN111546010A - Improved method and process for motorcycle starting rod - Google Patents
Improved method and process for motorcycle starting rod Download PDFInfo
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- CN111546010A CN111546010A CN202010413092.1A CN202010413092A CN111546010A CN 111546010 A CN111546010 A CN 111546010A CN 202010413092 A CN202010413092 A CN 202010413092A CN 111546010 A CN111546010 A CN 111546010A
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- starting rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/086—Iron or steel solutions containing HF
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Forging (AREA)
Abstract
The invention relates to the technical field of motorcycle accessory production processes, in particular to an improved method and a process for a motorcycle starting rod, S1, selecting woollen materials; s2, prefabricating a blank; s3, forging and pressing; s4, fine machining; s5, deoxidizing; s6, deburring; s7, acid washing and pre-activating; s8, electroplating; s9, washing with water; s10, drying and spraying antirust oil; the process provided by the invention selects HRB deformed steel bar, has toughness, is suitable for high strength and long-term use, and does not need secondary quenching; the prefabricated blank is formed by forging and pressing, so that the starting rod can be quickly forged to a required shape; performing finish machining on the starting rod blank, and refining the cambered surface of the starting rod and the details of each hole position and thread; the product quality of the starting rod is further improved by the deoxidation and the deburring, the starting rod is cleaned by acid, residual oxide films are removed, and the high efficiency and the high quality of the electroplating process are ensured; after-treatment of water washing, drying and antirust spraying, the starting rod can be repackaged, transported and stored without secondary pollution and corrosion.
Description
Technical Field
The invention relates to the technical field of motorcycle accessory production processes, in particular to an improvement method and process of a motorcycle starting rod.
Background
The starting lever is commonly used in motorcycles as a starting device for motorcycles. There are two types of commonly used actuating lever structures for motorcycles: two-bar type and monolithic.
The traditional motorcycle starting rod has the following processing procedures: blanking, cold drawing machine go up draw forming, finish machining, electroplating, and motorcycle actuating lever chooses 45# steel for use more, as the log of actuating lever, 45# steel's hardness is high, need promote toughness through quenching technology, and motorcycle actuating lever is as the lower spare part of technical, and the increase in the heat treatment process can invisibly increase the cost in business, reduction production efficiency.
Disclosure of Invention
The invention provides an improvement method and process of a motorcycle starting lever, and aims to improve the original processing process by using the existing equipment, improve the product quality and improve the production efficiency.
The improved method and process for starting rod of motorcycle includes the following steps:
s1: selecting rough materials, selecting HRB335 deformed steel, cutting and blanking; the invention selects the deformed steel, the hardness of which is stronger than that of A3 steel, and the deformed steel has lower hardness and higher toughness than that of the common 45# steel;
s2: prefabricating a blank, namely heating the blank obtained by blanking of S1 to 800-1200 ℃, and forging and deforming the blank into a blank; the shape of the starting rod can be preliminarily forged and pressed through the prefabricated blank, so that the subsequent processing is facilitated;
s3: forging and pressing, namely heating the blank obtained in the step S2 to 1000-1200 ℃, and forging and pressing a die to form a blank; forging and pressing are carried out through a matched forging die of the forging press, the size of the starting rod is further refined, and the detailed size is forged and pressed;
s4: performing finish machining, namely performing excess material trimming on the blank obtained in the step S3, and machining a part needing an arc surface and a hole site; fine machining of the cambered surface of the body of the starting lever, each hole position and each thread, thinning size and determining tolerance which need to be machined;
s5: performing deoxidation, namely performing shot blasting operation on the material obtained in the step S4 to remove an oxidized surface; the shot blasting operation can increase the surface hardness, so that the hardness of the hard metal is increased to 57-62HRC, shot beads are sprayed, the surface area of the metal is microscopically increased by impacting the surface, and surface oxides are removed;
s6: deburring, namely performing vibration screening on the material subjected to deoxidation obtained in the step S5 to remove burrs;
s7: acid washing pre-activation, namely, acid washing the starting rod which is subjected to deburring and is obtained in the step S6, removing grease and residual oxide films; after the acid-washed starting rod removes the residual oxide film, the quality of the subsequent electroplating processing is improved conveniently.
S8: electroplating, namely electroplating the starting rod subjected to acid washing and activation of S7 to improve the corrosion resistance and increase the abrasion resistance;
s9: washing, namely washing residual liquid medicine through a starting rod after washing electroplating;
s10: drying and spraying antirust oil, namely drying the starting rod washed with water in the step S9 and spraying the antirust oil; the product quality of the product is guaranteed to be controlled in the finished product transportation and packaging process, and the overall quality is improved.
Specifically, the electrolytic copper in the S1 is high-purity large-plate electrolytic copper, the purity of the electrolytic copper is more than 4N, the component content of the C10100 pure copper produced by the S1 is controlled to be more than 4N, the oxygen content is less than or equal to 3ppm, the P content is less than or equal to 3ppm, and the Fe content is less than or equal to 10 ppm.
Specifically, S1 unloader does, online reinforcement cutting machine, the fast transfer material of being convenient for.
Specifically, the prefabricated blank in the step S2 is forged in a rough size by free forging.
Specifically, in the step of S5 deoxidation, an automatic shot blasting machine is adopted, and cast steel shots are used for shot blasting.
Specifically, in the step S7, a mixed solution of hydrofluoric acid and nitric acid is used for pickling.
Compared with the prior art, the invention has the following beneficial effects:
according to the process provided by the invention, HRB deformed steel is selected, compared with the conventional deformed steel, the deformed steel has lower cost, the hardness of the material is higher than that of A3 steel and slightly lower than that of 45# steel, the deformed steel has toughness, the deformed steel is suitable for high-strength long-term use, a secondary quenching process required by 45# steel is omitted, and the heat treatment process is saved; the starting rod can be quickly forged to a required shape by performing the prefabricated blank and forging and forming; the starting rod blank is subjected to finish machining, so that the cambered surface of the starting rod and the details of each hole position and thread can be further refined; the product quality of the starting rod is further improved by the deoxidation and the deburring, the starting rod is subjected to acid washing to remove residual oxide films, and the electroplating workpiece is pretreated to ensure the high efficiency and the high quality of the electroplating process; after-treatment of water washing, drying and antirust spraying, the starting rod can be repackaged, transported and stored without secondary pollution and corrosion.
Drawings
FIG. 1 is a flow chart of an improved method and process for starting a motorcycle lever according to the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, a motorcycle starting lever improving method and process includes the following steps,
s1: selecting rough materials, selecting HRB335 deformed steel, cutting and blanking; the invention selects the deformed steel, the hardness of which is stronger than that of A3 steel, and the deformed steel has lower hardness and higher toughness than that of the common 45# steel; the used blanking device is an online steel bar cutting machine, so that the deformed steel bar material can be rapidly transferred conveniently.
S2: prefabricating a blank, namely heating the blank obtained by blanking of S1 to 800-1200 ℃, and forging and deforming the blank into a blank; the shape of the starting rod can be preliminarily forged and pressed through the prefabricated blank, so that the subsequent processing is facilitated; in the preform, free forging is used to complete a rough size forging
S3: forging and pressing, namely heating the blank obtained in the step S2 to 1000-1200 ℃, and forging and pressing a die to form a blank; forging and pressing are carried out through a matched forging die of the forging press, the size of the starting rod is further refined, and the detailed size is forged and pressed;
s4: performing finish machining, namely performing excess material trimming on the blank obtained in the step S3, and machining a part needing an arc surface and a hole site; fine machining of the cambered surface of the body of the starting lever, each hole position and each thread, thinning size and determining tolerance which need to be machined;
s5: performing deoxidation, namely performing shot blasting operation on the material obtained in the step S4 to remove an oxidized surface; the shot blasting operation can increase the surface hardness, so that the hardness of the hard metal is increased to 57-62HRC, shot beads are sprayed, the surface area of the metal is microscopically increased by impacting the surface, and surface oxides are removed; the shot blasting operation uses an automatic shot blasting machine and uses cast steel shots for shot blasting, the cast steel shots have good toughness and wide application, and the service life of the cast steel shots is several times of that of cast iron shots.
S6: deburring, namely performing vibration screening on the material subjected to deoxidation obtained in the step S5 to remove burrs;
s7: acid washing pre-activation, namely, acid washing the starting rod which is subjected to deburring and is obtained in the step S6, removing grease and residual oxide films; after the acid-washed starting rod removes the residual oxide film, the quality of the subsequent electroplating processing is convenient to improve; the starting rod is pickled by mixed solution of hydrofluoric acid and nitric acid, the starting rod is put into pickling solution for pickling for 1 hour to remove oxide skin on the starting rod, the pickling temperature is 65 ℃, and the hydrofluoric acid and the nitric acid pickling are mixed according to the proportion of 1: 2.5.
S8: electroplating, namely electroplating the starting rod subjected to acid washing and activation of S7 to improve the corrosion resistance and increase the abrasion resistance;
s9: washing, namely washing residual liquid medicine through a starting rod after washing electroplating;
s10: drying and spraying antirust oil, namely drying the starting rod washed with water in the step S9 and spraying the antirust oil; the product quality of the product is guaranteed to be controlled in the finished product transportation and packaging process, and the overall quality is improved.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The improved method and process for the motorcycle starting rod are characterized by comprising the following steps:
s1: selecting rough materials, selecting HRB335 deformed steel, cutting and blanking.
S2: prefabricating a blank, namely heating the blank obtained by blanking of S1 to 800-1200 ℃, and forging and deforming the blank into a blank;
s3: forging and pressing, namely heating the blank obtained in the step S2 to 1000-1200 ℃, and forging and pressing a die to form a blank;
s4: performing finish machining, namely performing excess material trimming on the blank obtained in the step S3, and machining a part needing an arc surface and a hole site;
s5: performing deoxidation, namely performing shot blasting operation on the material obtained in the step S4 to remove an oxidized surface;
s6: deburring, namely performing vibration screening on the material subjected to deoxidation obtained in the step S5 to remove burrs;
s7: acid washing pre-activation, namely, acid washing the starting rod which is subjected to deburring and is obtained in the step S6, removing grease and residual oxide films;
s8: electroplating, namely electroplating the starting rod subjected to acid washing and activation of S7 to improve the corrosion resistance and increase the abrasion resistance;
s9: washing, namely washing residual liquid medicine through a starting rod after washing electroplating;
s10: and (4) drying and spraying antirust oil, namely drying the starting rod washed with water in the step S9 and spraying the antirust oil.
2. The improvement method and process of the motorcycle starting lever according to claim 1, wherein the S1 blanking device is an online steel bar cutting machine, which facilitates rapid material transfer.
3. The improved method and process for starting rod of motorcycle as claimed in claim 1, wherein said prefabricated blank in S2 is free forged to approximate size.
4. The improved method and process for starting rod of motorcycle as claimed in claim 1, wherein in the step of S5 deoxidation, automatic shot blasting machine is used, and cast steel shot blasting is used.
5. The improved method and process for starting rod of motorcycle as claimed in claim 1, wherein in S7, it is pickled with mixed solution of hydrofluoric acid and nitric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010413092.1A CN111546010A (en) | 2020-05-15 | 2020-05-15 | Improved method and process for motorcycle starting rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010413092.1A CN111546010A (en) | 2020-05-15 | 2020-05-15 | Improved method and process for motorcycle starting rod |
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| Publication Number | Publication Date |
|---|---|
| CN111546010A true CN111546010A (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010413092.1A Pending CN111546010A (en) | 2020-05-15 | 2020-05-15 | Improved method and process for motorcycle starting rod |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545440A (en) * | 2009-05-05 | 2009-09-30 | 重庆大可工贸有限责任公司 | Method for manufacturing swivel of actuating lever for motorcycle |
| EP3015204A1 (en) * | 2014-10-28 | 2016-05-04 | Yamaha Hatsudoki Kabushiki Kaisha | Titanium-alloy connecting rod, internal combustion engine, automotive vehicle, and production method for titanium-alloy connecting rod |
| CN105690026A (en) * | 2014-11-28 | 2016-06-22 | 重庆伊曼环保设备有限公司 | Manufacturing method for motorcycle starting lever |
| CN106346205A (en) * | 2016-11-11 | 2017-01-25 | 重庆山伦摩托车销售有限公司 | Production method of motorcycle starting rod |
| US20170314435A1 (en) * | 2016-05-02 | 2017-11-02 | Torque Research and Development, Inc. | Muffler and/or exhaust apparatus and method of manufacture |
| CN108103298A (en) * | 2018-02-09 | 2018-06-01 | 艾普零件制造（苏州）有限公司 | A kind of screw-thread steel adapter heat treatment method |
| CN108213871A (en) * | 2017-12-29 | 2018-06-29 | 重庆全茂合渝科技有限公司 | A kind of manufacturing process of motorcycle initiating bar |
| CN108480932A (en) * | 2018-04-12 | 2018-09-04 | 重庆阿里郎机车配件有限公司 | A kind of big bar processing technology of motorcycle initiating bar |
| CN108555531A (en) * | 2017-12-29 | 2018-09-21 | 天津圣金特汽车配件有限公司 | A kind of forging technology of auto parts connecting rod blank |
-
2020
- 2020-05-15 CN CN202010413092.1A patent/CN111546010A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545440A (en) * | 2009-05-05 | 2009-09-30 | 重庆大可工贸有限责任公司 | Method for manufacturing swivel of actuating lever for motorcycle |
| EP3015204A1 (en) * | 2014-10-28 | 2016-05-04 | Yamaha Hatsudoki Kabushiki Kaisha | Titanium-alloy connecting rod, internal combustion engine, automotive vehicle, and production method for titanium-alloy connecting rod |
| CN105690026A (en) * | 2014-11-28 | 2016-06-22 | 重庆伊曼环保设备有限公司 | Manufacturing method for motorcycle starting lever |
| US20170314435A1 (en) * | 2016-05-02 | 2017-11-02 | Torque Research and Development, Inc. | Muffler and/or exhaust apparatus and method of manufacture |
| CN106346205A (en) * | 2016-11-11 | 2017-01-25 | 重庆山伦摩托车销售有限公司 | Production method of motorcycle starting rod |
| CN108213871A (en) * | 2017-12-29 | 2018-06-29 | 重庆全茂合渝科技有限公司 | A kind of manufacturing process of motorcycle initiating bar |
| CN108555531A (en) * | 2017-12-29 | 2018-09-21 | 天津圣金特汽车配件有限公司 | A kind of forging technology of auto parts connecting rod blank |
| CN108103298A (en) * | 2018-02-09 | 2018-06-01 | 艾普零件制造（苏州）有限公司 | A kind of screw-thread steel adapter heat treatment method |
| CN108480932A (en) * | 2018-04-12 | 2018-09-04 | 重庆阿里郎机车配件有限公司 | A kind of big bar processing technology of motorcycle initiating bar |
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