Yantralink Machine Tools

Submerged arc welding (SAW) is a common arc welding process. Submerged-arc welding (SAW) involves the formation of an arc between a continuously fed electrode and the workpiece. A blanket of powdered flux, which generates a protective gas shield and a slag (and may also be used to add alloying elements to the weld pool), protects the weld zone thus preventing spatter and sparks as well as suppressing the intense ultraviolet radiation and fumes that are a part of the shielded metal arc welding (SMAW) process.A shielding gas is not required. The arc is submerged beneath the flux blanket and is not normally visible during welding.

 The electrode may be a solid or cored wire or a strip made from sheet or sintered material. The flux may be made by either fusing constituents to form a glassy slag (which is then crushed to form a powder) or by agglomerating the constituents using a binder and a corning process. The chemical nature and size distribution of the flux assists arc stability and determines the mechanical properties of the weld metal and the shape of the bead.

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SAW is normally operated in the automatic or mechanized mode, The process is normally limited to the flat or horizontal-fillet welding positions (although horizontal groove position welds have been done with a special arrangement to support the flux). Deposition rates approaching 45 kg/h have been reported — this compares to ~5 kg/h (10 lb/h) (max) for shielded metal arc welding. Although currents ranging from 300 to 2000 A are commonly utilized. Constant voltage welding power supplies are most commonly used; however, constant current systems in combination with a voltage sensing wire-feeder are available

SAW is ideally suited to the longitudinal and circumferential butt welds required for the manufacture of line pipe and pressure vessels. Welding is normally carried out in the flat position because of the high fluidity of the weld pool and molten slag and the need to maintain a flux layer. Fillet joints may also be produced, welding in either the flat or horizontal-vertical (PB) positions

Butt welding is a commonly used technique in welding that can either be automated or done by hand on steel pieces.It is used to attach two pieces of metal together such as pipe, framework in factories, and also flanges. A flange is something that either is internal or external that provided to strengthen a piece of material.Butt welding is accomplished by heating up two pieces of metal, or applying pressure, or doing both of those.Penetration while welding the metal is important to maintain and with thin pieces of metal this is possible however, with thick pieces edge preparation may have to be done to prepare the metal. Full penetration butt welds are made when they are in the within the parent(bigger, stronger) metal. In butt welding the strongest welds will have the fewest imperfections. To achieve this the heat input is controlled, which decreases the size of the weld.

• Highest material removal rate due to 41 J single impact force and 1750 watts motor power
• Longest lifetime due to robust design and use of high-quality materials
• Vibration Control for reduction of harmful vibration and, therefore, longer operating time and greater ease of use

• RPM indicated is at No Load.
• Watts indicated at rated input.
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• Superior functionality
• Less power consumption
• High efficiency

• Portable
• Robust design
• Negligible maintenance

These MIG And TIG Welding Machines offered by us are strictly tested by our quality analysts and thus are efficient and long lasting. These Welding Machines are fabricated by using qualitative raw material. These are appreciated in the worldwide market. These Welding Machines are offered at the market leading prices.

• Bosch Heavy Duty - Power, Performance, and Robustness redefined!
• Best work results with speed pre-selection for applications requiring material-specific speed
• Optimal power transmission for large hammers
• Best work results with constant speed thanks to an electronic regulation of speed - even under load