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Locking clamp for spinning and drawing process of fixing metal film casing for printer and duplicator and the

A technology for copiers and printers, applied in the field of precision machining, to achieve the effects of reducing costs, solving the problem of low service life and high surface roughness

Active Publication Date: 2009-03-25
HEFEI JIANGHANG AIRCRAFT EQUIP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing technology can be used to process stainless steel tube blanks with a wall thickness of δ ≥ 0.08mm and an unevenness ≥ 0.01mm. However, how to process the tube blanks into such high-precision thin-walled tubes has no public information at home and abroad.

Method used

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  • Locking clamp for spinning and drawing process of fixing metal film casing for printer and duplicator and the
  • Locking clamp for spinning and drawing process of fixing metal film casing for printer and duplicator and the
  • Locking clamp for spinning and drawing process of fixing metal film casing for printer and duplicator and the

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Spinning stretching parameters used:

[0047] Thinning Δh and deformation ε: Δh=0.185; ε=0.82;

[0048] Bite angle γ: take 21°;

[0049] The diameter and quantity of the steel ball: the calculated diameter of the steel ball is φ5.6; the diameter of the steel ball is φ5;

[0050] The rotation speed of the roller mold: 900r / min;

[0051] The feed speed of the male mold: take 0.08mm / r.

[0052] The metal fixing film sleeve manufactured with the above process parameters is post-processed to produce a FFS-30 metal fixing film with a length of 240 and a wall thickness of δ 0.04, with high surface roughness, smoothness, no pits, no creases, and no cracks , the number of printed and copied papers after installation test is 42,000.

Embodiment 2

[0054] Spinning stretching parameters used:

[0055] Thinning Δh and deformation ε: Δh=0.35; ε=0.87;

[0056] Bite angle γ: take 35°;

[0057] The diameter and quantity of the steel ball: the calculated diameter of the steel ball is φ3.8; the diameter of the steel ball is φ4;

[0058] The rotation speed of the roller mold: 900r / min;

[0059] The feed speed of the male mold: take 0.09mm / r.

[0060] The metal fixing film sleeve manufactured with the above process parameters is post-processed to produce a FFS-24 metal fixing film with a length of 230 and a wall thickness of δ 0.04, with high surface roughness, smoothness, no pits, no creases, and no cracks , the number of printed and copied papers after installation test is 45,000.

Embodiment 3

[0062] Spinning stretching parameters used:

[0063] Thinning Δh and deformation ε: Δh=0.30; ε=0.80;

[0064] Bite angle γ: take 35°;

[0065] The diameter and quantity of the steel ball: the calculated diameter of the steel ball is φ3.3; the diameter of the steel ball is taken as φ3;

[0066] The rotation speed of the roller mold: 900r / min;

[0067] The feed speed of the male mold: take 0.09mm / r.

[0068] The metal fixing film sleeve manufactured with the above process parameters is post-processed to produce a FFS-24L metal fixing film with a length of 238.5 and a wall thickness of δ 0.04, with high surface roughness, smoothness, no pits, no creases, and no cracks , the number of printed and copied papers after installation test is 45,000.

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Abstract

The present invention belongs to the field of precise machining technology, is improved machining process of fixing metal film casing for printer and duplicator, and features that the stainless steel pipe blank after pre-treatment is spun and stretched in a spinning and stretching machine with stretching mold to form high accuracy seamless stainless steel casing. The stainless steel casing may be used in making fixing metal film with high surface roughness, no pit, no crease, no cracking, long service life and high heat resistance.

Description

technical field [0001] The invention belongs to the precision machining technology, and relates to the improvement of the manufacturing method of metal fixing film sleeves of printers and copiers. Background technique [0002] The fixing film used in low-end printers and copiers is made of non-metallic sleeves and high-temperature-resistant outer coatings. The non-metallic sleeves are usually made of polytetrafluoroethylene rods, which are mainly processed by injection molding. Its service life is low, the number of copy papers is less than 20,000, and the fastness and resolution of printed products are low. The metal fixing film used in high-end laser desktop printers and copiers is the core component of printers and copiers. The metal fixing film is mainly composed of a metal sleeve and a high temperature resistant outer coating. Among them, the metal sleeve is its key component, which is made of metal materials such as stainless steel or copper alloy. The metal casing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D22/14B21D22/20B21D24/04
Inventor 邓长权陈清
Owner HEFEI JIANGHANG AIRCRAFT EQUIP CORP LTD
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