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  • Welding Methods Collection

    Welding Methods Collection

    Welding Methods Collection 1. Manual arc welding Manual arc welding is the earliest developed and still the most widely used welding method among various arc welding methods. It uses a welding rod coated with paint as the electrode and filler metal, and the arc burns between the end of the weldi...
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  • What Are The Types Of Gas Shielded Welding Droplet Transfer

    What Are The Types Of Gas Shielded Welding Droplet Transfer

    What are the types of gas shielded welding droplet transfer What is a free transition? What are the forms of free transition? The process of the droplet leaving the welding wire and flying freely to the molten pool through the arc space is called free transition. During the transition process, t...
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  • Current Status of Automatic Welding

    Current Status of Automatic Welding

    Current status of automatic welding Current status Automatic welding equipment for domestic oil and gas pipeline industry can be used for pipeline flat welding, vertical welding, horizontal welding, overhead welding...
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  • How to Choose The Right Pipe Automatic Welding Machine

    How to Choose The Right Pipe Automatic Welding Machine

    How to choose the right pipe automatic welding machine At present, under the general trend of smart pipeline construction, pipeline automatic welding machines are used in many fields, in addition to oil and gas pipelines, such as heating pipelines, construction ...
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  • Summary of CO2 Welding Problems And Methods

    Summary of CO2 Welding Problems And Methods

    Introduction: In CO2 gas shielded welding, poor wire feeding and uneven wire output often occur during welding, which will bring difficulties to welding and directly affect welding quality. The weld that should be welded at a time is often divided into several sections to be welded. Based on my y...
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  • Common Problems in the Welding Process! Welder Must Collect

    Common Problems in the Welding Process! Welder Must Collect

    Common problems in the welding process! Welder must collect Welding defects can be divided into internal defects and external defects according to their position in the weld. External defects are located on the outer surface of the weld and can be seen directly. External defects mainly include we...
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  • How to Solve These Problems of Carbon Dioxide Gas Shielded Welding

    How to Solve These Problems of Carbon Dioxide Gas Shielded Welding

    How to solve these problems of carbon dioxide gas shielded welding Introduction: In CO2 gas shielded welding, poor wire feeding and uneven wire output often occur during welding, which will bring difficulties to welding and directly affect welding quality. The weld that should be welded at a tim...
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  • Pipeline All-position Automatic Welding Machine (Magnetic Suction Type)

    Pipeline All-position Automatic Welding Machine (Magnetic Suction Type)

    Pipeline All-position Automatic Welding Machine (Magnetic Suction Type) Product model: HW-ZD-201 Applicable pipe diameter: ≥DN1168 Performance characteristics: 1. The all-position automatic welding machine is suitable for long-distance pipelines or fixed welding seam filling and cap welding at i...
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  • Welding Basic Knowledge Collection

    Welding Basic Knowledge Collection

    Welding Basic Knowledge Collection 1. What is welding? Answer: Two or more materials (same or different) are heated or pressurized or both are used to achieve the bonding between atoms to form a permanent connection. The process is called welding. 2. What is an arc? Answer: It is supplied by the...
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  • Welding Industry Common Knowledge

    Welding Industry Common Knowledge

    Welding Industry Common Knowledge   Welding Classification: ⑴ Fusion welding SMAW:Shielded metal arc welding SAW:Submerged arc welding TIG:Tungsten Inert-Gas arc welding MIG:metal Inert-gas arc welding ⑵ Pressure welding Cold welding Friction welding Diffusion welding Explosive welding ⑶ So...
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  • Comparison of Four Non-destructive Testing Methods

    Comparison of Four Non-destructive Testing Methods

    Comparison of Four Non-destructive Testing Methods Non-destructive testing is to use the characteristics of sound, light, magnetism and electricity to detect whether there are defects or inhomogeneities in the inspected object without damaging or affecting the performance of the inspected object...
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  • The Real Cause of Contact Tip Wear and Improvement Measures

    The Real Cause of Contact Tip Wear and Improvement Measures

    Frequent replacement of the contact tip: The appearance is that the outlet of the contact tip is worn out, causing wire feed deflection... In fact, the welding track is offset, that is, the position of the TCP point is shifted, resulting in welding defects such as weldin...
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