CN110732838A - processing technology for processing omega-shaped ring sealing gasket - Google Patents

processing technology for processing omega-shaped ring sealing gasket Download PDF

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Publication number
CN110732838A
CN110732838A CN201910891297.8A CN201910891297A CN110732838A CN 110732838 A CN110732838 A CN 110732838A CN 201910891297 A CN201910891297 A CN 201910891297A CN 110732838 A CN110732838 A CN 110732838A
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CN
China
Prior art keywords
omega
bar
sealing
processing
shaped
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Pending
Application number
CN201910891297.8A
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Chinese (zh)
Inventor
刘守杰
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Chu Zhou Youbang Paint Co Ltd
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Chu Zhou Youbang Paint Co Ltd
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Publication date
Application filed by Chu Zhou Youbang Paint Co Ltd filed Critical Chu Zhou Youbang Paint Co Ltd
Priority to CN201910891297.8A priority Critical patent/CN110732838A/en
Publication of CN110732838A publication Critical patent/CN110732838A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Abstract

The invention discloses a machining process for machining omega-shaped ring sealing gaskets in types, which comprises the following steps of S1 material selection and grinding elimination, material selection and preparation, selecting a bar of a corresponding material, grinding and cutting the bar into omega-shaped long bar materials through a grooving vertical milling machine, S2 rough machining, rough turning and forming an annular structure by turning the rough turning bar materials, wherein the outer diameter of the annular structure is reserved with the allowance of the difference value between the inner diameter and the outer diameter of the sealing gasket, S3 is provided with a scribing groove in advance, a threading hole is formed in the side through clamp positioning, subsequent linear cutting is matched, S4 linear cutting is carried out, an inner hole of a bearing gasket is linearly cut, the bar materials are cut into rough materials, the integrally polished bar materials are cut into the sealing gaskets through the thickness preset by a working condition machine, the sealing gaskets are cut into gaskets through the integral bar materials, the integral strength is , the integral strength of the sealing gaskets is ensured, and the crack or defect test of the metal materials or the inner parts is carried out through a magnetic powder device.

Description

processing technology for processing omega-shaped ring sealing gasket
Technical Field
The invention relates to the technical field of sealing gaskets, in particular to a processing technology for sealing gaskets for processing omega-shaped rings.
Background
The sealing gasket is sealing spare parts used for machines, equipment and pipelines as long as the sealing spare parts are used in places with fluid, the sealing gasket uses the inner part and the outer part and is made of metal or nonmetal plate-shaped materials through processes of cutting, stamping, cutting and the like and is used for sealing connection between pipelines, the sealing connection between machine parts of machine equipment and machine parts can be divided into metal sealing gaskets and nonmetal sealing gaskets according to the materials, the metal sealing gaskets comprise copper gaskets, stainless steel gaskets, iron gaskets, aluminum gaskets and the like, the omega-ring sealing gaskets are common elastic check rings or C-shaped rings, the overall elasticity and toughness of the sealing gasket are ensured during processing, but the existing processing process is injection molding, subsequent hole opening and shape processing is carried out, the overall strength of the sealing gasket cannot be ensured, and subsequent flaw detection and fatigue resistance measurement are not carried out, and the factory quality is not unified with .
Disclosure of Invention
Based on the technical problems in the background art, the invention provides processing technologies for processing omega-shaped ring sealing gaskets.
The invention provides a processing technology for processing omega-shaped ring sealing gaskets, which comprises the following steps:
s1: material selection and grinding elimination: selecting and preparing materials, namely selecting a bar stock of a corresponding material, and grinding and cutting the bar stock into an omega-shaped long bar stock by a slotting vertical milling machine;
s2: and (3) rough cutting machining: turning rough machining, wherein a rough machining bar is turned to form an annular structure, and the outer diameter of the annular structure is provided with a margin of the difference value of the inner diameter and the outer diameter of the sealing washer;
s3, presetting a scribing groove, namely, according to the presetting scribing groove, positioning a wire through hole on the side by a clamp to match with subsequent wire cutting;
s4, wire cutting, namely, wire cutting the inner hole of the bearing washer and the bar into coarse material, cutting the integrally polished bar into a sealing washer by the preset thickness of the working condition machine, and reserving allowance between the wire cutting of the side of the surface;
s5: polishing heat treatment: polishing the rough-machined sealing washer, and then carrying out subsequent heat treatment, wherein the heat treatment ensures that the hardness, the rebound hardness and the fatigue resistance of the sealing washer reach the standard;
s6: finish machining and flaw detection: and (3) performing finish machining on the grinding machine, wherein the bearing washer is machined to meet the size requirement by the finish machining of the grinding machine, performing flaw detection test when the bearing washer leaves a factory, and performing flaw detection test on the machined sealing washer to enable the overall quality to reach the standard.
Preferably, the length of the bar stock and the length of the long bar stock in the S1 are both 50-70CM, and the material of the bar stock is 65Mn spring steel.
Preferably, the annular structure of the long bar stock in S2 has an outer diameter with a margin of 0.3-0.6mm for the difference between the inner diameter and the outer diameter of the sealing washer.
Preferably, a margin of 0.1-0.2mm is reserved between the wire-electrode cutting on the side of the surface in the wire-electrode cutting in the S4.
Preferably, the hardness after heat treatment in S5 is 58-62HRC, and the fatigue resistance after heat treatment is in accordance with GB/T4337-2008 standard of China.
Preferably, the flaw detection test in S6 is to perform a crack or defect test on the inside of the metal material or the part by a metal magnetic particle flaw detection apparatus.
The processing technology has the advantages that the sealing washer is cut and divided into washers by the integral bar stock, the integral strength is , the problem that the integral strength of the sealing washer cannot be guaranteed due to the fact that the existing processing technology is formed by injection molding and subsequent hole opening and shape processing is avoided, meanwhile, crack or defect tests in metal materials or parts are conducted through a metal magnetic powder flaw detection device in the flaw detection tests, and the factory quality system is guaranteed under the condition that the integral hardness and fatigue resistance are maintained.
Drawings
Fig. 1 is a processing flow chart of processing techniques for processing omega-ring sealing gaskets according to the present invention;
fig. 2 is a schematic cross-sectional structure diagram of a bar of processing techniques for processing omega-ring sealing gaskets according to the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of the present invention .
Referring to fig. 1-2, processing methods for processing omega-ring sealing gaskets include the following steps:
s1: material selection and grinding elimination: selecting and preparing materials, namely selecting a bar stock of a corresponding material, and grinding and cutting the bar stock into an omega-shaped long bar stock by a slotting vertical milling machine;
s2: and (3) rough cutting machining: turning rough machining, wherein a rough machining bar is turned to form an annular structure, and the outer diameter of the annular structure is provided with a margin of the difference value of the inner diameter and the outer diameter of the sealing washer;
s3, presetting a scribing groove, namely, according to the presetting scribing groove, positioning a wire through hole on the side by a clamp to match with subsequent wire cutting;
s4, wire cutting, namely, wire cutting the inner hole of the bearing washer and the bar into coarse material, cutting the integrally polished bar into a sealing washer by the preset thickness of the working condition machine, and reserving allowance between the wire cutting of the side of the surface;
s5: polishing heat treatment: polishing the rough-machined sealing washer, and then carrying out subsequent heat treatment, wherein the heat treatment ensures that the hardness, the rebound hardness and the fatigue resistance of the sealing washer reach the standard;
s6: finish machining and flaw detection: and (3) performing finish machining on the grinding machine, wherein the bearing washer is machined to meet the size requirement by the finish machining of the grinding machine, performing flaw detection test when the bearing washer leaves a factory, and performing flaw detection test on the machined sealing washer to enable the overall quality to reach the standard.
In the invention, the lengths of the bar stock and the long bar stock in S1 are both 50-70CM, the bar stock is made of 65Mn spring steel, the allowance of the difference value between the inner diameter and the outer diameter of the sealing washer reserved in the annular structure of the long bar stock in S2 is 0.3-0.6mm, the allowance reserved between the linear cuts on the side of the surface in the linear cut in S4 is 0.1-0.2mm, the hardness after heat treatment in S5 is 58-62HRC, the fatigue resistance after heat treatment is in GB/T4337 and 2008 standard of China, and the flaw detection test in S6 is carried out on cracks or defects in the metal material or part through metal magnetic powder flaw detection equipment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (6)

1, processing technique for processing omega-shaped ring sealing gasket, which is characterized by comprising the following steps:
s1: material selection and grinding elimination: selecting and preparing materials, namely selecting a bar stock of a corresponding material, and grinding and cutting the bar stock into an omega-shaped long bar stock by a slotting vertical milling machine;
s2: and (3) rough cutting machining: turning rough machining, wherein a rough machining bar is turned to form an annular structure, and the outer diameter of the annular structure is provided with a margin of the difference value of the inner diameter and the outer diameter of the sealing washer;
s3, presetting a scribing groove, namely, according to the presetting scribing groove, positioning a wire through hole on the side by a clamp to match with subsequent wire cutting;
s4, wire cutting, namely, wire cutting the inner hole of the bearing washer and the bar into coarse material, cutting the integrally polished bar into a sealing washer by the preset thickness of the working condition machine, and reserving allowance between the wire cutting of the side of the surface;
s5: polishing heat treatment: polishing the rough-machined sealing washer, and then carrying out subsequent heat treatment, wherein the heat treatment ensures that the hardness, the rebound hardness and the fatigue resistance of the sealing washer reach the standard;
s6: finish machining and flaw detection: and (3) performing finish machining on the grinding machine, wherein the bearing washer is machined to meet the size requirement by the finish machining of the grinding machine, performing flaw detection test when the bearing washer leaves a factory, and performing flaw detection test on the machined sealing washer to enable the overall quality to reach the standard.
2. The processing technology for processing omega-shaped ring sealing gaskets as claimed in claim 1, wherein the lengths of the bar stock and the long bar stock in the S1 are both 50-70CM, and the material of the bar stock is 65Mn spring steel.
3. The processing technology for sealing gasket of omega-shaped ring as claimed in claim 1, wherein the outer diameter of the ring-shaped structure of the long bar in S2 is 0.3-0.6mm apart from the difference between the inner and outer diameters of the sealing gasket.
4. The processing technology for sealing gasket of omega-shaped ring according to claim 1, wherein a margin of 0.1-0.2mm is reserved between the wire-electrode cuts on the side in the wire-electrode cut in S4.
5. The processing technology for sealing gaskets for omega-shaped rings according to claim 1, wherein the hardness of the S5 after heat treatment is 58-62HRC, and the fatigue strength after heat treatment meets the national GB/T4337-2008 standard.
6. The process of for processing Ω -ring sealing gaskets, according to claim 1, wherein said flaw detection test in S6 is performed by magnetic metal particle flaw detection equipment to detect cracks or defects inside metal materials or parts.
CN201910891297.8A 2019-09-20 2019-09-20 processing technology for processing omega-shaped ring sealing gasket Pending CN110732838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910891297.8A CN110732838A (en) 2019-09-20 2019-09-20 processing technology for processing omega-shaped ring sealing gasket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910891297.8A CN110732838A (en) 2019-09-20 2019-09-20 processing technology for processing omega-shaped ring sealing gasket

Publications (1)

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CN110732838A true CN110732838A (en) 2020-01-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113020903A (en) * 2021-02-26 2021-06-25 西安西工大超晶科技发展有限责任公司 Preparation method of titanium alloy thin-wall ring

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006006024A1 (en) * 2006-02-08 2007-08-16 Ab Skf Method of making rings and intermediate ring
CN102380747A (en) * 2010-09-02 2012-03-21 招远市鑫都标准件厂 Clamp spring manufacture process
CN105312844A (en) * 2014-07-16 2016-02-10 匡永刚 Machining process for bearing washers
CN107775281A (en) * 2016-08-29 2018-03-09 方芳 A kind of bearing washer processing technology
CN108453522A (en) * 2017-02-20 2018-08-28 兰州兰石重型装备股份有限公司 It processes the special process mould of Ω ring seal washers and its makes application method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006006024A1 (en) * 2006-02-08 2007-08-16 Ab Skf Method of making rings and intermediate ring
CN102380747A (en) * 2010-09-02 2012-03-21 招远市鑫都标准件厂 Clamp spring manufacture process
CN105312844A (en) * 2014-07-16 2016-02-10 匡永刚 Machining process for bearing washers
CN107775281A (en) * 2016-08-29 2018-03-09 方芳 A kind of bearing washer processing technology
CN108453522A (en) * 2017-02-20 2018-08-28 兰州兰石重型装备股份有限公司 It processes the special process mould of Ω ring seal washers and its makes application method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113020903A (en) * 2021-02-26 2021-06-25 西安西工大超晶科技发展有限责任公司 Preparation method of titanium alloy thin-wall ring

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