CN105312849A - Production method of tanker push rod - Google Patents
Production method of tanker push rod Download PDFInfo
- Publication number
- CN105312849A CN105312849A CN201410363566.0A CN201410363566A CN105312849A CN 105312849 A CN105312849 A CN 105312849A CN 201410363566 A CN201410363566 A CN 201410363566A CN 105312849 A CN105312849 A CN 105312849A
- Authority
- CN
- China
- Prior art keywords
- grinding
- rod
- chromium plating
- push rod
- production method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to a production method of a tanker push rod. The structure of the tanker push rod before chromium plating comprises a hanging table, a rod middle section and a rod front end, wherein the outer diameters of the hanging table, the rod middle section and the rod front end are sequentially reduced. The production method of the tanker push rod comprises steps as follows: (1), before chromium plating, the hanging table, the rod middle section and the rod front end are subjected to center grinding; (2), a part after grinding is turned and tested and then is subjected to hard chromium plating, after chromium plating, the outer diameter of the rod middle section is machined firstly and is subjected to grinding by the aid of a centerless grinding machine, then the rod middle section is taken as a standard, and the outer diameters of the hanging table and the rod front end of the part are subjected to grinding by the aid of a cylindrical grinding machine; turning and testing are performed again after grinding. With the adoption of the production method of the tanker push rod, higher coaxiality of the outer diameters of the three sections of the part can be guaranteed, the uniformity and the consistency of the thickness of a chromium layer are guaranteed during chromium plating, so that the first pass yield and the delivery rate of the manufactured part are higher, the production cost is saved, and besides, the machining period of the part is greatly shortened.
Description
Technical field
The present invention relates to a kind of production method of fuel charger push rod.
Background technology
Fuel charger push rod belongs to thin and long shafts part, adds man-hour part and easily produces distortion, the linearity of part, beat, dimensional tolerance etc. all requires very high, and needs to carry out chromium plating to piece surface, part is difficult to processing.
Carry out adding according to existing fuel charger push rod technological procedure and find man-hour, after carrying out external diameter grinding after part chromium plating, the local of part does not have layers of chrome, thus causes the once payment qualification rate of part less than 10%, has had a strong impact on the supporting of production.
Fig. 1 is push rod source technological procedure chromium plating pre-structure, and the processing method of existing push rod source technological procedure exists following problem:
1. the processing method of part external diameter mainly less grinder for grinding, due to the grinding characteristic (beating after part processing and beating before processing is consistent) of centerless grinder, the axiality requirement of part three sections can not be ensured, the part of this kind of method processing, part segment is general between 0.03 ~ 0.05 to beating of interlude, can not meet the requirement of design drawing.
2. before part chromium plating, a 2mm technique step a is remained between the hanging platform of part and body of rod interlude, (need because using, design drawing indicates hanging platform and interlude contact position 2mm allows not chromium plating, in the past during processing parts, process area a has specially been stayed before part chromium plating, copper wire binding part during to facilitate chromium plating), but, actual processing empirical verification, when this technique step can cause less grinder for grinding, the size of interlude and step place can not well transition, thus without layers of chrome after causing technique step place and the contact position grinding of body of rod interlude, part can not meet use, and then cause part reprocessabilty, chromium plating repeatedly, considerably increase the processing cost of part, the delivery rate of part is low, usually affect the supporting of this model fuel charger.
Summary of the invention
Technical problem to be solved by this invention is to provide the production method of the high fuel charger push rod of a kind of first-time qualification rate.
For solving the problems of the technologies described above, the invention provides a kind of production method of fuel charger push rod, the structure of this fuel charger push rod before chromium plating comprises: the hanging platform that external diameter successively decreases successively, body of rod interlude and lever front end, cast out the technique step of 2mm between hanging platform and body of rod interlude, overcome the problem without layers of chrome after technique step place and the contact position grinding of body of rod interlude.
The production method of described fuel charger push rod comprises:
(1) before chromium plating, the grinding method of hanging platform, body of rod interlude and lever front end adopts top grinding, guarantees that three sections of external diameters of part have higher axiality, ensures uniformity and the uniformity of layers of chrome thickness during chromium plating;
(2) part is after grinding, hard chrome plating after turner, inspection, after chromium plating, first process body of rod interlude external diameter, body of rod interlude external diameter adopts less grinder for grinding processing, then with body of rod interlude for benchmark, adopt cylindrical grinder part during grinding two ends external diameter (i.e. the external diameter of hanging platform and lever front end), guarantee part two ends external diameter and body of rod interlude external diameter have higher axiality; Turner, inspection is carried out again after grinding.
Technique effect of the present invention: the production method of oil machine push rod of the present invention can guarantee that three sections of external diameters of part have higher axiality, ensure uniformity and the uniformity of layers of chrome thickness during chromium plating, thus the part by one-step manufactured is qualified and delivery rate is higher, save production cost, and substantially reduce the process-cycle of part, solve the corresponding problem of this type simultaneously.
Accompanying drawing explanation
Fig. 1 is push rod source technological procedure chromium plating pre-structure;
Fig. 2 is chromium plating pre-structure after push rod of the present invention improves.
Detailed description of the invention
As Fig. 2, the structure of fuel charger push rod of the present invention before chromium plating comprises: the hanging platform 1 that external diameter successively decreases successively, body of rod interlude 2 and lever front end 3, compared to Fig. 1, cast out the technique step a of 2mm between hanging platform 1 and body of rod interlude 2, overcome the problem without layers of chrome after technique step a place and the contact position grinding of body of rod interlude.
The production method of described fuel charger push rod comprises:
(1) before chromium plating, the grinding method of hanging platform, body of rod interlude and lever front end adopts top grinding, guarantees that three sections of external diameters of part have higher axiality, ensures uniformity and the uniformity of layers of chrome thickness during chromium plating;
(2) part is after grinding, hard chrome plating after turner, inspection, after chromium plating, first process body of rod interlude external diameter, body of rod interlude external diameter adopts less grinder for grinding processing, then with body of rod interlude for benchmark, adopt cylindrical grinder part during grinding two ends external diameter (i.e. the external diameter of hanging platform and lever front end), guarantee part two ends external diameter and body of rod interlude external diameter have higher axiality; Turner, inspection is carried out again after grinding.
Adopt this production method to complete the processing of 36 push rods, carried out magnetic powder inspection to the part of this batch after processing, result of detection shows, this batch 36 part two ends spheres are without burn, layers of chrome thickness is even, and three sections of external diameter axialities of part are high, can meet the requirement of drawing.
Concrete processing process: blanking → alignment → quenching → alignment → centreless grinding → turner → turner → turner → grinder → turner → turner → inspection → hard chrome plating → centreless grinding → peripheral milling → peripheral milling → turner → turner → magnetic current → inspection.
After part chromium plating, first process interlude external diameter, interlude external diameter adopts less grinder for grinding processing, then be benchmark with interlude, adopt cylindrical grinder part during grinding two ends outside dimensions, this kind of processing method, part two ends external diameter and interlude outside dimension and axiality requirement can be ensured.
Processing method comparatively, adopts this processing method, and the once qualified and delivery rate of part is higher, saves production cost, and substantially reduces the process-cycle of part, solve the corresponding problem of this type simultaneously.
Claims (1)
1. a production method for fuel charger push rod, the structure of this fuel charger push rod before chromium plating comprises: the hanging platform that external diameter successively decreases successively, body of rod interlude and lever front end; It is characterized in that:
The production method of described fuel charger push rod comprises:
(1), before chromium plating, the grinding method of hanging platform, body of rod interlude and lever front end adopts top grinding;
(2) part is after grinding, and hard chrome plating after turner, inspection, after chromium plating, first process body of rod interlude external diameter, body of rod interlude external diameter adopts less grinder for grinding processing, then with body of rod interlude for benchmark, adopt the external diameter of cylindrical grinder part during grinding hanging platform and lever front end; Turner, inspection is carried out again after grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363566.0A CN105312849A (en) | 2014-07-29 | 2014-07-29 | Production method of tanker push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363566.0A CN105312849A (en) | 2014-07-29 | 2014-07-29 | Production method of tanker push rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105312849A true CN105312849A (en) | 2016-02-10 |
Family
ID=55241688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410363566.0A Pending CN105312849A (en) | 2014-07-29 | 2014-07-29 | Production method of tanker push rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105312849A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774113A (en) * | 2019-10-23 | 2020-02-11 | 中国航发贵州红林航空动力控制科技有限公司 | Processing technology of embedded chromium-plated high-strength adjusting shaft |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07164251A (en) * | 1993-12-16 | 1995-06-27 | Ricoh Co Ltd | Manufacture of shaft for gas bearing |
| CN102494185A (en) * | 2011-11-15 | 2012-06-13 | 无锡威孚精密机械制造有限责任公司 | Surface treatment processing technology of hydraulic valve rod |
| CN102592915A (en) * | 2012-02-29 | 2012-07-18 | 安徽华东光电技术研究所 | Core rod for high-pitch precision spiral line and manufacturing method of core rod |
| CN103195791A (en) * | 2013-04-09 | 2013-07-10 | 浙江省平湖市顺昌金属制品厂 | Rotating shaft special for food machine and production process |
| CN103331651A (en) * | 2012-12-17 | 2013-10-02 | 四川凌峰航空液压机械有限公司 | Technology treatment method of machining deformation of long and thin hole shaft type thin-wall part |
| CN203542928U (en) * | 2013-10-25 | 2014-04-16 | 昆山精创模具有限公司 | Tungsten steel push rod |
-
2014
- 2014-07-29 CN CN201410363566.0A patent/CN105312849A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07164251A (en) * | 1993-12-16 | 1995-06-27 | Ricoh Co Ltd | Manufacture of shaft for gas bearing |
| CN102494185A (en) * | 2011-11-15 | 2012-06-13 | 无锡威孚精密机械制造有限责任公司 | Surface treatment processing technology of hydraulic valve rod |
| CN102592915A (en) * | 2012-02-29 | 2012-07-18 | 安徽华东光电技术研究所 | Core rod for high-pitch precision spiral line and manufacturing method of core rod |
| CN103331651A (en) * | 2012-12-17 | 2013-10-02 | 四川凌峰航空液压机械有限公司 | Technology treatment method of machining deformation of long and thin hole shaft type thin-wall part |
| CN103195791A (en) * | 2013-04-09 | 2013-07-10 | 浙江省平湖市顺昌金属制品厂 | Rotating shaft special for food machine and production process |
| CN203542928U (en) * | 2013-10-25 | 2014-04-16 | 昆山精创模具有限公司 | Tungsten steel push rod |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774113A (en) * | 2019-10-23 | 2020-02-11 | 中国航发贵州红林航空动力控制科技有限公司 | Processing technology of embedded chromium-plated high-strength adjusting shaft |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105312849A (en) | Production method of tanker push rod | |
| CN206048082U (en) | A kind of bowl-type plug assembly tooling | |
| CN104289871A (en) | Method for machining sealing rings | |
| CN204308753U (en) | Control grinding worm cylindrical length frock | |
| CN204149020U (en) | Cover parts cylindricalo grinding structure | |
| CN102735749A (en) | Magnetic particle inspection test block and preparation method thereof | |
| CN204711881U (en) | A kind of positioner for lining being pressed into sleeve | |
| CN203471448U (en) | Positioning device | |
| CN104029110B (en) | One full automatic air valve bar portion super precise grinding machine | |
| CN204308712U (en) | Jewel fixture pin | |
| CN203459480U (en) | Manual pipe bending machine for high-voltage connecting rod of dry-type transformer | |
| CN207205314U (en) | A kind of aero-engine spherical bushing expansive force dabber clamp | |
| CN104191049A (en) | External thread shaft machining method | |
| CN106624769A (en) | Mounting method for double-valve-seat gate valve | |
| CN204658182U (en) | By the easy device in surface grinding machine processing excircles 60 degree of trisection faces | |
| CN104191048B (en) | Internal thread tube piece processing method | |
| CN204525210U (en) | A kind of forming grinding wheel and grinding machine | |
| CN103121064B (en) | A kind of bender supporting plate mechanism | |
| CN202910709U (en) | Lathe tailstock hole grinding tool | |
| CN204308735U (en) | High accuracy small diameter point lapping device | |
| CN205184450U (en) | Blank burring device in shaping production process | |
| CN103921177B (en) | A kind of Ginding process of laser cavity | |
| CN104157442A (en) | Deburring technology for magnetic core | |
| CN103817326A (en) | Powder metallurgy die | |
| CN203615044U (en) | One-blank two-shape lug die forging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 213000 the Yellow River Middle Road, Xinbei District, Jiangsu, China, No. 8, No. Applicant after: Changzhou Hangfa China Lanxiang machinery limited liability company Address before: 213000 the Yellow River Middle Road, Xinbei District, Jiangsu, China, No. 8, No. Applicant before: Changzhou Lanxiang Machinery Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160210 |