Máy công cụ

Types of welding machine

There are many different types of welding processes and in general they can be categorized as: Arc Welding: A welding power supply is used to create and maintain an electric arc between an electrode and the base material to melt metals at the welding point. In such welding processes the power supply could be AC […]

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11 Tips for Creating a Good Welding

There are a lot of different little things you have to account for when welding. Make: contributor Rusty Oliver recently wrote a great piece on an introduction to welding for the hobbyist in Make: Volume 50 (on newsstands March 22), but he surprised us with an even more detailed checklist on how to get a […]

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Which Stick welding or wire welding do you prefer?

STICK OR WIRE: WHICH IS YOUR WELDING PREFERENCE? There are several different welding processes that are ideal for projects around the house of farm: • Stick welding – properly known as SMAW (Shielded Metal Arc Welding) • Wire welding – properly known as GMAW (Gas Metal Arc Welding) or FCAW (Flux-cored Arc Welding) All of these processes involve the […]

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Tin cơ khí

Consumables in GMAW process

The Gas metal arc welding process not only operates in semi automatic modes but also automatic modes. 3 process techniques are: short circuiting metal transfer, globular transfer, and spray arc. The two consumable, but important, elements of the GMAW process are the electrode and the shielding gas. CHEMICAL COMPOSITION OF THE ELECTRODE: The chemical composition of […]

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The SMAW Process

SMAW process, called arc welding process that creates coalescence of metal through heating with arc between a covered metal electrode and the work. Decomposition of the flux coating used in the process to emitting a shielding gas and forms fluxing elements to protect the molten weld-metal droplets and the weld pool. SMAW Process:   The arc is […]

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The plasma arc-Operating Procedure and Weld Quality Control

The pilot arc is used in the plasma arc familiar with that of PAW system. Maintenance time has been increased by the relatively complicated nature of welding torch Process Operating Procedure: The plasma arc is ignited using a pilot arc in a fashion similar to that of a PAW system. The primary arc current moves […]

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