Machining method for omega-shaped ring sealing washer

A processing method and ring sealing technology, applied in the field of heat exchanger sealing internal parts processing, can solve the problems of difficult processing, low carbon content, poor plasticity, etc., and achieve the effects of shortening production cycle, improving productivity, and not easy to vibrate

Inactive Publication Date: 2017-04-26
LANZHOU LS HEAVY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its material is usually stainless steel, which is characterized by low carbon content, high toughness, poor plasticity, and high expansion coefficient, which makes processing difficult
Existing technology and equipment cannot solve the deformation and precision problems in the process of processing

Method used

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  • Machining method for omega-shaped ring sealing washer
  • Machining method for omega-shaped ring sealing washer
  • Machining method for omega-shaped ring sealing washer

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Embodiment Construction

[0023] The specific embodiment of the present invention will be further described in conjunction with accompanying drawing now:

[0024] A processing method of an omega ring sealing gasket according to the present invention comprises the following steps:

[0025] ⑴ Tooling and cutting tools, adopt the special process mold invented by our company for processing Ω-ring sealing gaskets; select turning tools: the front angle of the turning tool is 20°~40°, the rear angle is 8°~20°, and the cutting tool should be kept sharp

[0026] (2) Rough turning, first rough machining the two planes and the inner and outer circles of the Ω ring sealing gasket, such as image 3 shown;

[0027] ⑶ semi-finishing car

[0028] Such as figure 1 , image 3 As shown, insert the omega ring sealing gasket 1 into the special process mold 4, fix it with the compression bolt 2 and the pressure plate 3, and process the outer circular plane and R part by semi-finishing; turn the workpiece over, and in...

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Abstract

The invention discloses a machining method for an omega-shaped ring sealing washer, and belongs to the field of heat exchanger sealing internals. By adoption of the machining method, the problems of deformation and poor precision in the machining process are solved. The machining method comprises the following steps that a special process mould invented by the company and used for machining the omega-shaped ring sealing washer is adopted; the two planes, the inner circle and the outer circle of the omega-shaped ring sealing washer are subjected to rough turning at first; the omega-shaped ring sealing washer 1 is embedded into the special process mould 4 during semi-finish turning and finish turning and fixed through compression bolts 2 and pressing plates 3, and the outer circle plane and the R part are machined; the workpiece is turned, and then the inner circle plane and the r part of the omega-shaped ring are machined, wherein the cut depth is 0.5-1 mm, the amount of feed is 0.5 mm / r, and the cutting speed is 40 m / min; and cooling liquid is continuously fed in the machining process, so that the temperature of the workpiece is not greater than 40 DEG C. According to the machining method for the omega-shaped ring sealing washer, vibration is not prone to occurring during machining of the omega-shaped ring sealing washer, operation is easy, it is guaranteed that the qualified workpiece can be machined, the production period is effectively shortened, and the productivity is increased.

Description

technical field [0001] The invention belongs to the field of processing sealing inner parts of heat exchangers, and in particular relates to a processing method of a sealing gasket. Background technique [0002] The Ω-ring sealing gasket is an important component of the Ω-ring heat exchanger. This component has a large diameter and a thin thickness. Its material is usually stainless steel, which is characterized by low carbon content, high toughness, poor plasticity, and high expansion coefficient, which makes processing difficult. Existing technology and equipment cannot solve the deformation and precision problems in the process of processing. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a processing method of an omega ring sealing gasket that not only ensures precision but also does not deform. [0004] A processing method of an omega ring sealing gasket according to the present invention comprises the fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B1/00
CPCB23B1/00
Inventor 姜杰马涛张凯贾小斌张建晓李义民郑维信
Owner LANZHOU LS HEAVY EQUIP
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