CN102581568A - Processing method of big cylinder bottom of hydraulic support - Google Patents
Processing method of big cylinder bottom of hydraulic support Download PDFInfo
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- CN102581568A CN102581568A CN2012100599409A CN201210059940A CN102581568A CN 102581568 A CN102581568 A CN 102581568A CN 2012100599409 A CN2012100599409 A CN 2012100599409A CN 201210059940 A CN201210059940 A CN 201210059940A CN 102581568 A CN102581568 A CN 102581568A
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- cylinder bottom
- processing method
- big cylinder
- hydraulic support
- forging
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Abstract
The invention discloses a processing method of a big cylinder bottom of a hydraulic support. The processing method comprises the following steps: material preparation, closed-die forging, heat treatment and machining. According to the invention, the forging process is improved, the rivet weld cutting step and the rough machining step before the heat treatment are omitted, and the machining process is simplified; the processing method can be used for producing the big cylinder bottom with the diameter more than 320mm for the hydraulic support in coal mine industry; the production cycle is short; and the material utilization rate is high.
Description
Technical field
The present invention relates to a kind of metal working process, relate in particular to the processing method of the big cylinder bottom of a kind of hydraulic support.
Background technology
Along with the continuous development of coal mine hydraulic supporting maximization, high-endization, technicalization, the big column diameter of hydraulic support is from φ 320, φ 360, φ 380, φ 400 to φ 500, and the big cylinder bottom of its corresponding column also strengthens thereupon; The big cylinder bottom of φ 360, φ 400 is in recent years production regular lot production in the works; In addition, because the hydraulic support market competition is fierce day by day, the support price keeps falling; Improve the quality of products and capture market, it is also extremely urgent to save production cost.
The quality of forging blank is fine or not, is directly connected to the manufacturing cost and the workmanship of product parts, in the prior art; Because the column cylinder bottom volume of φ more than 320 hitting power big, that need is big, this area generally believes and is not suitable for using closed-die forging, therefore to the column cylinder bottom of φ more than 320; 3 tons of hammers of general employing are forged or the production of open die forging moulding process through mode hopping, and it is that (the neither one face is a forming surface between open die forging that mode hopping forges; Just forge general profile; Follow-uply all process) and closed-die forging (outline is near the part net shape, and less demanding face is molded, requires accurately machined face to stay certain surplus) between the forging mode; The simple face ability of part forging molding, most of face need process.Corresponding process route is: be equipped with-forging-riveting-processing-Re-processing, carry out the cutting of part external form after the forging, change heat treatment quenching and tempering after the roughing and handle, carry out fine finishining again.
There is following shortcoming at least in above-mentioned prior art:
Blank is round and plump, and the cold working surplus is big, has half the material to be processed to iron filings, and the production cycle is longer, and stock utilization is low.
Summary of the invention
The processing method that the purpose of this invention is to provide a kind of with short production cycle, big cylinder bottom of hydraulic support that stock utilization is high.
The objective of the invention is to realize through following technical scheme:
The processing method of the big cylinder bottom of hydraulic support of the present invention comprises step: get the raw materials ready, matched moulds forging, heat treatment, machined, the diameter of said big cylinder bottom is more than or equal to 320mm.
Technical scheme by the invention described above provides can be found out, the processing method of the big cylinder bottom of hydraulic support provided by the invention, owing to comprise step: get the raw materials ready, matched moulds forging, heat treatment, machined, the diameter of said big cylinder bottom is more than or equal to 320mm.
Improve Forging Technology, saved roughing step before rivet welding cutting step and the heat treatment, simplified process for machining, with short production cycle, stock utilization is high.
The specific embodiment
To do to describe in detail further to the embodiment of the invention below.
The processing method of the big cylinder bottom of hydraulic support of the present invention, its preferable specific embodiment comprises step:
Get the raw materials ready, die forging, heat treatment, machined, the diameter of said big cylinder bottom is more than or equal to 320mm.
Said die forging adopts the die hammer more than 5 tons or 5 tons to carry out.
After forging, said matched moulds is provided with the side cut step before the heat treatment.
In the specific embodiment of the present invention, adopt the electric liquid hammer more than 5 tons or 5 tons, realize the die forging of the column cylinder bottom of φ more than 320; Shape after the forging is near final part shape, and allowance can be controlled at the 5-8 millimeter, and overlap own is very little; The operation of cutting edge together can increased; The blank outward appearance is rule very, can omit the flame cutting step, good forming effect.Simultaneously,, can omit heat treatment roughing step in the past, carry out fine finishining after directly heat-treating again and get final product because allowance is controlled at the 5-8 millimeter.
The present invention can be to the blank of present all kinds of large-scale high end support with parts; Carry out frock, technology and improve, for example the big cylinder bottom of column, connect first-class complex-shaped, weight is big, performance requirement is high, difficulty of processing is big part, adopt die forging; And adjusting process route; The blank part of forging is being guaranteed under the prerequisite of material property,, reduced cold working cutting or even do not have cutting more near the drawing profile; Thereby reach science, the advance of technology, reduce manufacturing cost, save material, shorten the manufacturing cycle, improve comprehensive benefit.
The above; Be merely the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (3)
1. the processing method of the big cylinder bottom of hydraulic support is characterized in that, comprises step: get the raw materials ready, matched moulds forging, heat treatment, machined, the diameter of said big cylinder bottom is more than or equal to 320mm.
2. the processing method of the big cylinder bottom of hydraulic support according to claim 1 is characterized in that, said matched moulds is forged the die hammer that adopts more than 5 tons or 5 tons and carried out.
3. the processing method of the big cylinder bottom of hydraulic support according to claim 1 and 2 is characterized in that, is provided with the side cut step before the heat treatment after said matched moulds is forged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100599409A CN102581568A (en) | 2012-03-08 | 2012-03-08 | Processing method of big cylinder bottom of hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100599409A CN102581568A (en) | 2012-03-08 | 2012-03-08 | Processing method of big cylinder bottom of hydraulic support |
Publications (1)
| Publication Number | Publication Date |
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| CN102581568A true CN102581568A (en) | 2012-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2012100599409A Pending CN102581568A (en) | 2012-03-08 | 2012-03-08 | Processing method of big cylinder bottom of hydraulic support |
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| CN (1) | CN102581568A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104722688A (en) * | 2015-03-30 | 2015-06-24 | 定襄县星辉锻压有限公司 | Die forging manufacturing method for coal machine hydraulic support connector |
| CN105196008A (en) * | 2015-11-02 | 2015-12-30 | 太原理工大学 | Manufacturing method of high-strength return plate |
| CN108115370A (en) * | 2018-01-18 | 2018-06-05 | 郑州中原铁道物资购销有限公司 | A kind of very heavy very useful force-transmitting pole |
| CN111604642A (en) * | 2020-04-28 | 2020-09-01 | 宝武集团马钢轨交材料科技有限公司 | Preparation method of elastic wheel core |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101224484A (en) * | 2007-12-20 | 2008-07-23 | 贵州安大航空锻造有限责任公司 | Large-scale forging dies for near-isothermally forging disc forgeable piece |
| CN101695736A (en) * | 2009-11-04 | 2010-04-21 | 中国船舶重工集团公司第七二五研究所 | Method for making titanium alloy diaphragm plate forged piece |
| CN102179466A (en) * | 2011-01-21 | 2011-09-14 | 中南大学 | Precision isothermal forging combined die for complex aerospace die forged pieces |
| CN102240763A (en) * | 2011-04-16 | 2011-11-16 | 湖北三环锻造有限公司 | Medium-heavy automobile flange die forging process and punching and calibrating composite die thereof |
-
2012
- 2012-03-08 CN CN2012100599409A patent/CN102581568A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224484A (en) * | 2007-12-20 | 2008-07-23 | 贵州安大航空锻造有限责任公司 | Large-scale forging dies for near-isothermally forging disc forgeable piece |
| CN101695736A (en) * | 2009-11-04 | 2010-04-21 | 中国船舶重工集团公司第七二五研究所 | Method for making titanium alloy diaphragm plate forged piece |
| CN102179466A (en) * | 2011-01-21 | 2011-09-14 | 中南大学 | Precision isothermal forging combined die for complex aerospace die forged pieces |
| CN102240763A (en) * | 2011-04-16 | 2011-11-16 | 湖北三环锻造有限公司 | Medium-heavy automobile flange die forging process and punching and calibrating composite die thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104722688A (en) * | 2015-03-30 | 2015-06-24 | 定襄县星辉锻压有限公司 | Die forging manufacturing method for coal machine hydraulic support connector |
| CN104722688B (en) * | 2015-03-30 | 2016-09-21 | 定襄县星辉锻压有限公司 | A kind of die forging production method of coal machine connector of hydraulic support |
| CN105196008A (en) * | 2015-11-02 | 2015-12-30 | 太原理工大学 | Manufacturing method of high-strength return plate |
| CN108115370A (en) * | 2018-01-18 | 2018-06-05 | 郑州中原铁道物资购销有限公司 | A kind of very heavy very useful force-transmitting pole |
| CN111604642A (en) * | 2020-04-28 | 2020-09-01 | 宝武集团马钢轨交材料科技有限公司 | Preparation method of elastic wheel core |
| CN111604642B (en) * | 2020-04-28 | 2021-09-24 | 宝武集团马钢轨交材料科技有限公司 | Preparation method of elastic wheel core |
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Application publication date: 20120718 |