spot and projection welding

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SPOT AND PROJECTION WELDING

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Post on 19-May-2015

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Artech Welders Private Limited took roots in 1994 with the dream of manufacturing Capacitor Discharge (CD) projection welding machines. Powered by a vision to blend power saving with aesthetics, Artech has today germinated into a force to reckon with in the field of resistance welding. A wide range of end users embrace the quality welding that Artech offers. They include manufacturers of automobile sheet metal components, stainless steel impellers, sheet metal products, diamond tools like cup wheels and core drills, hollow metal doors, auto electricals, control panels, stainless steel cookware and kitchenware to name a few.

TRANSCRIPT

Page 1: Spot and Projection Welding

SPOT AND PROJECTION WELDING

Page 2: Spot and Projection Welding

Types of Welding

Welding Process

Arc Resistance Gas

Spot Seam Projection Flash

Page 3: Spot and Projection Welding

Spot Welding

Page 4: Spot and Projection Welding

Spot Welding...

In Spot Welding the pieces to be joined are clamped between two electrodes under force, and an electrical current is sent through them.

Force is applied before, during, and after the application of current to prevent arcing at the work piece.

In spot welding fusion of faying surfaces of a lap joint is achieved at one location by opposing electrodes

Page 5: Spot and Projection Welding

Spot Welding Machines

Page 6: Spot and Projection Welding

Advantages of Spot Welding

Spot welding is quick and easy No need to use any fluxes or filler metal Multiple sheets joined together at the same time. No dangerous open flame Saves production costs.

Page 7: Spot and Projection Welding

Applications of Spot Welding

Nuts & Bolts Join two Metal Sheets

Automobile Industry To make Batteries

Page 8: Spot and Projection Welding

Projection Welding

Page 9: Spot and Projection Welding

Projection Welding

In Projection welding size and shape of individual welds are determined by the presence of projections, embossments or intersections on the metals to be joined.

Metals are heated and coalescence is achieved not through the use of an arc, but through the metals’ resistance to electrical currents passing through them as they are held together with pressure by electrodes.

In projection welding the pieces to be joined are clamped between two electrodes under force, anan electrical current is sent through them.

Page 10: Spot and Projection Welding

Projection Welding Machines

Capacitor Discharge Projection Welding Machines

Page 11: Spot and Projection Welding

Advantages of Projection Welding

Simultaneously we can make any number of welds in heavier materials easily.

Welding can be made in metals that are too thick to be joined by spot welding.

Lower Electrode Maintenance.

Lower amount of current and pressure needs to joint metals.

Faster and Quicker and used in mass production

Page 12: Spot and Projection Welding

Application of Projection Welding

Diamond Segment Welding

Automobile Industry

Semiconductors

Fan Covers

Compressor Parts

Hollow Metal DoorsAuto Electricals

Page 13: Spot and Projection Welding

THANK YOU

Artech Welders Pvt Ltd.No. A- 16, H- Block, MIDC, PimpriPune, Maharashtra - 411018, India

Phone : +(91)-(20)-27476160/27462772Mobile : +(91)-9822438782/9822069212

E-mail :[email protected]