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Self-fusion welding technology and operation method of thin wall stainless steel pipe --MWF series closed pipe welding machine

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扫一扫!Self-fusion welding technology and operation method of thin wall stainless steel pipe --MWF series closed pipe welding machine扫一扫!
Release date:2021-05-24 17:33:00【large in Small
Thin walled stainless steel pipe is a kind of stainless steel pipe whose ratio of wall thickness to outer diameter is not more than 6%. It is commonly used in various gas and fluid medium transmission pipes. This kind of pipe is made of stainless steel, and the pipe wall is thin, so the weld is easy to be oxidized during welding, and it is easy to have quality problems such as concave, welding through, and poor welding forming. In the field of biopharmaceutical, food fermentation and other clean Engineering, pipeline welding also needs to meet the requirements of cleanliness. In engineering practice, stainless steel pipe self-fusion welding technology is often used. With the help of pipeline automatic welding equipment, the process requirements of single side welding and double side forming can be achieved.

Thin walled stainless steel pipe self-fusion welding technology is through argon arc high temperature welding process, using pipeline zero gap butt welding, without welding wire base metal self-fusion welding method, to achieve the purpose of pipeline fusion welding, to ensure the unity of welding pipeline materials, reduce the risk of welding pollution, to ensure that the process pipeline reaches a clean and sterile state
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During the welding operation, the pipe end shall be cut with professional tools, and the burr caused by pipe cutting shall be removed with a file, and the welding area of the inner wall and outer wall of the pipe shall be cleaned with cleaning agent. When assembling, the matching pipe fittings should be close as far as possible, without gap and misalignment, and fixed by spot welding around. After the two ends of the weld are sealed, start to inflate and hold for 10s before welding.
The common welding quality of thin-walled stainless steel pipe self-fusion welding is convex, convex, poor weld color, undercut and so on. The main reason is that the gas pressure in the pipeline is too high; The welding current is too large, the welding speed is too slow, and the swing is too wide; The weld quality is poor due to argon purity and poor gas protection; Welding undercut caused by too large welding current and too fast welding speed; Therefore, in the welding operation, the level of process parameters and manual skills directly determines the welding results. If the automatic pipeline welding technology is used in the welding process, the expert welding parameters and one button welding operation equipped in the system can greatly reduce the requirements for the welding practitioners' operation level, and the welding ability level of the team can be rapidly improved in a short time.
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In the automatic argon arc welding operation of thin-walled stainless steel clean pipe, the MWF series closed pipe welding machine is a powerful on-site welding tool. It is a clean pipe welding machine designed for the welding requirements of thin-walled stainless steel pipe. The products are made of core components imported from Germany, with light structure, safety, precision, durability and reliability. The whole body is water-cooled; The gun body has 4-way gas protection, with high temporary load rate and high stability. It is suitable for all position welding of stainless steel clean pipe with diameter of 6-114mm. It is a highly cost-effective automatic welding machine for sanitary clean pipe.
The whole process of the equipment is digitally controlled by computer and equipped with expert welding database, which enables the operator to quickly start and achieve the best welding effect. At the same time, the equipment can realize continuous and accurate control of welding process according to different welding materials, with excellent welding forming, stable output and no harmful substances. It meets the requirements of customers according to the health industry standard. It can effectively solve the problems of unstable process, low welding efficiency and high welding rework rate in the traditional manual pipe welding process, greatly improve the welding efficiency and welding process, and save at least 30% labor cost. It is a good helper for your precision welding.
Products are widely used in food and pharmaceutical, biological fermentation, water treatment, air conditioning and refrigeration, instrumentation, pressure vessels, aerospace, pipeline installation and other fields; our products and services have been well received by customers after long-term market inspection!

Applicable pipe diameter:
Mwf-40 is suitable for pipe diameter: Φ 6.35-38.1 mm
Mwf-80 is suitable for pipe diameter: Φ 19.05-76.2 mm
Mwf-120 is suitable for pipe diameter: Φ 38.1-114.3 mm

Welding type:
Straight pipe, straight pipe chuck, straight pipe tee, straight pipe elbow;
Chuck elbow, chuck tee, big U-bend, etc;
Customer satisfaction is our greatest support! Thank you for your trust and dedicated service. Welcome to inquire!
Technical support: 00-86-18918961606 / Eng Web: /
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Shanghai MeiHan Intelligent Technology Co., Ltd. is a national high-tech enterprise. It has recieved ISO9001 quality system certification and focuses on the production of automatic pipe welding equipment, automatic tube sheet welding equipment, automatic circumferential welding machine, hot wire surfacing system and integrated welding control power supply. The company adheres to the business philosophy of "all customer-oriented, customized, service integration, non-outsourcing", strives to build a world-class high-end brand of pipe welding equipment, and continues to provide customers with high-quality products, technical solutions and high value-added services.
All position tube to tube sheet welding machine, automatic tube welding machine, auto pipe welding machine.

Our products and services have been well received by customers after long-term market inspection!
Customer satisfaction is our greatest support! Thank you for your trust and dedicated service!
Technical support: 00-86-18918961606

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