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A method of manufacturing a steel sleeve

A manufacturing method and technology of steel sleeves, which are applied in the field of steel sleeve manufacturing, can solve the problems of large materials, high cost, and many production processes, and achieve the effect of less materials, low cost, and few production processes

Inactive Publication Date: 2011-12-21
王锡卿
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method for manufacturing a steel sleeve aiming at the defects of the prior art, which solves the problems of too many materials used, many production processes and relatively high cost in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: A manufacturing method of a steel sleeve is carried out as follows: we select a 310 type steel sleeve;

[0020] A) Prepare the required steel plate for the steel sleeve; the thickness of the steel plate is 0.5mm;

[0021] B) Adjust the working stroke of the shearing machine according to the specific specifications of the 310 type steel sleeve, and place the steel plate on the shearing machine for blank blanking;

[0022] C) Place the cut steel blank on the plate rolling machine and curl it randomly into a circular shape with an irregular cross section;

[0023] D) Then use a seam welder to overlap and weld the two sides of the irregular circular steel plate together;

[0024] E) After the welding is completed, place it on the hydraulic press for expansion process, and expand it into a steel sleeve with the required shape and precision. When performing the expansion process on the hydraulic press, the welded semi-finished steel sleeve is fixed in the lower ...

Embodiment 2

[0025] Example 2: A manufacturing method of a steel sleeve is carried out as follows: we select a 310 type steel sleeve;

[0026] A) Prepare the required steel plate for the steel sleeve; the thickness of the steel plate is 1.5mm;

[0027] B) Adjust the working stroke of the shearing machine according to the specific specifications of the 310 type steel sleeve, and place the steel plate on the shearing machine for blank blanking;

[0028] C) Place the cut steel blank on the plate rolling machine and curl it randomly into a circular shape with an irregular cross section;

[0029] D) Then use a seam welder to overlap and weld the two sides of the irregular circular steel plate together;

[0030] E) After the welding is completed, place it on the hydraulic press for expansion process, and expand it into a steel sleeve with the required shape and precision. When performing the expansion process on the hydraulic press, the welded semi-finished steel sleeve is fixed in the lower...

Embodiment 3

[0031] Example 3: A manufacturing method of a steel sleeve is carried out as follows: we select a 310 type steel sleeve;

[0032] A) Prepare the required steel plate for the steel sleeve; the thickness of the steel plate is 1.0mm;

[0033] B) Adjust the working stroke of the shearing machine according to the specific specifications of the 310 type steel sleeve, and place the steel plate on the shearing machine for blank blanking;

[0034] C) Place the cut steel blank on the plate rolling machine and curl it randomly into a circular shape with an irregular cross section;

[0035] D) Then use a seam welder to overlap and weld the two sides of the irregular circular steel plate together;

[0036] E) After the welding is completed, place it on the hydraulic press for expansion process, and expand it into a steel sleeve with the required shape and precision. When performing the expansion process on the hydraulic press, the welded semi-finished steel sleeve is fixed in the lower...

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Abstract

A method for manufacturing a steel sleeve. The present invention uses the new method of seam welding and hydraulic expansion forming, so that the manufacturing method of the present invention uses less materials, less production processes, and lower cost, and can be compared with the performance of stretched steel sleeves, specifically shearing The plate machine is unloaded, and then an irregular circle is randomly rolled with a simple plate rolling machine, and then the two sides of the steel plate are overlapped and welded together with a seam welder, and finally the required steel sleeve shape is expanded with a hydraulic press. The requirements for shape accuracy are omitted in the plate rolling machine program, and then the requirements for shape accuracy are strictly required in the final program. This method is more suitable for the thick steel plate of 0.5mm-1.5mm, and the finished product price is 8.5 yuan with the method in the past, and the finished product price with the method of the present invention is 5.5 yuan, so the present invention has good economic value and popularization value, and its market prospect very huge.

Description

technical field [0001] The invention relates to a steel sleeve, in particular to a method for manufacturing the steel sleeve. Background technique [0002] The so-called steel sleeve mainly describes the thick steel sleeve of the lower refractory sliding nozzle plate here. The manufacturing method of this steel sleeve is realized by hydraulic seamless stretching. Although the seamless steel sleeve has its own advantages, this manufacturing method uses There are a lot of materials and the cost is relatively high, such as shearing machine blanking, punching mold blanking, hydraulic press mold stretching needs three times to form, and then the lathe is used to process the rough edges and bottom edges of the upper and lower edges of the steel sleeve , in order to form a complete steel plate thick steel sleeve of the sliding nozzle. [0003] Among other similar methods, some casings are made by seam welding of coiled materials, but this method must first be rolled into a circle ...

Claims

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Application Information

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IPC IPC(8): B23P15/00B21D26/033
Inventor 王锡卿
Owner 王锡卿
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