Production process for stainless steel clamping and pressing type pipe fitting equal-diameter tee joint

A press-fitted pipe fitting and production process technology, applied in the direction of pipes/pipe joints/pipe fittings, pipes, branch pipelines, etc., can solve problems such as unqualified, uneven distribution and deformation

Inactive Publication Date: 2021-06-08
卡狮管业(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing stainless steel compression fittings can produce stainless steel compression fittings very well during production, but when the existing stainless steel compression fittings are produced, the stainless steel compression fittings produced There will often be some deformed and unqualified stainless steel compression fittings in the pipe fittings, because in the annealing stage, one-time annealing, some impurities cannot be evenly distributed during annealing, resulting in the stainless steel compression fittings being easy to travel during production Some deformed and unqualified stainless steel compression fittings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Step 1. Loading, laser cutting, and chamfering: Mainly prepare stainless steel pipe materials for unloading operations according to user order requirements and production plans, use a fully automatic laser cutting machine to cut the pipes, and put the remaining debris and scraps into the container. The length of the stainless steel pipe material is not less than the length of the pre-production stainless steel compression fittings, and the diameter of the stainless steel pipe material is not less than the diameter of the pre-production stainless steel compression fittings to prevent the required size from being processed.

[0034] Step 2. Water swelling forming: put the cut straight pipe on the mold of the water swelling machine, and use water pressure to form a bulge suitable for pressing.

[0035] Step 3. Punching: Put the pipe material on the punching machine, and the drill bit will automatically open the hole.

[0036] Step 4. High-frequency heating: Use a high-freq...

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PUM

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Abstract

The invention provides a production process for a stainless steel clamping and pressing type pipe fitting equal-diameter tee joint , and relates to the technical field of pipe fitting production processes. The production process for the stainless steel clamping and pressing type pipe fitting equal-diameter tee joint comprises the following steps of S1, feeding, laser cutting and chamfering; S2, water swelling forming; S3, punching; S4, high-frequency heating; S5, drawing; S6, opening flattening; S7, pipe fitting cleaning; S8, bright solution annealing; S9, polishing and grinding; S10, sealing ring mounting and S11, pipe fitting testing. According to the production process for the stainless steel clamping and pressing type pipe fitting equal-diameter tee joint, different temperatures are each kept for a period of time, so that different elements can be well distributed at the different temperatures. During annealing, double media are used for rapid cooling, the annealing effect is better, the hardness and stress of a material pipe are reduced, and the deformation rate and the reject ratio of produced rusted steel clamping and pressing type pipe fittings are reduced.

Description

technical field [0001] The invention relates to the technical field of production technology of pipe fittings, in particular to a production technology of equal-diameter tees of stainless steel pressing type pipe fittings. Background technique [0002] Stainless steel clamping pipe fittings, stainless steel is a recognized healthy material that can be implanted into the human body, can meet the national sanitary standards for direct drinking water, and can be 100% recycled. [0003] The existing stainless steel compression fittings can produce stainless steel compression fittings very well during production, but when the existing stainless steel compression fittings are produced, the stainless steel compression fittings produced There will often be some deformed and unqualified stainless steel compression fittings in the pipe fittings, because in the annealing stage, one-time annealing, some impurities cannot be evenly distributed during annealing, resulting in the stainless...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00F16L41/02
CPCB23P15/00F16L41/02
Inventor 张剑敏刘明禄张文凯
Owner 卡狮管业(上海)有限公司
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