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Product Range

Projection Welding Machines

Capacitor Discharge Projection Welding Machines

Medium Frequency Spot And Projection Welding Machines

Stud Welding Machines

Capacitor Discharge Stud Welding Machines

Drawn Arc Stud Welding Machines

Shear Connectors

Special Purpose Welding Machines

Special Purpose Projection Welding Machines

Relay Welding Machine

Long Throat Machine

Hollow Metal Door C Channel Welding Machine

Special Purpose Yoke To Pole Welding Machine

U Hinge Welding Machine

Stiffener Welding Machine

Diamond Segment Projection Welding Machines

Boiler Fin Tube Projection Welding Machine

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Projection Welding Machines

Capacitor Discharge Projection Welding Machines

In this resistance welding process, a bank of capacitors is charged to a pre-set voltage and then discharged through a pulse transformer. Very high current is passed in very short time resulting in fantastic projection welding quality. As the machine requires power just for charging the bank of capacitors, the power (Kva) requirement is negligible as compared to any other process of resistance welding. This results in great saving of connected load as well as power usage. As the weld time is very less (ideally 3 to 12 milliseconds), there is negligible heating or blackening of welded components and water cooling for the electrodes is not required.

This technology is ideal for projections welding, dissimilar metal welding and thin sheet spot welding. Machine users requiring excellent aesthetics, high regard for power saving and consistency in projection welding should adopt this technology.


Capacitor Discharge Projection Welding Machines

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Machine Control – Important Features


Projection Welding

Projection welding is a resistance welding process. Projections are made on any one of the components before welding. The weld area and location is defined before welding in projection welding unlike in spot welding where weld area depends on the shape of the electrodes. After passing the weld current for specific time, the projection collapses under the electrode pressure and the parts are welded together.

The advantages of projection welding are that multiple projections can be welded in one shot, flat electrodes are required for welding, minimum dents and marks after welding etc.

Advantages


Applications

  • Automobile components.
  • Auto electricals.
  • Sheet metal fabrication.
  • Stainless steel cookware and kitchenware
  • Leak proof welds
  • Fabricated stainless steel impellers
  • Switchgear
  • White-goods (Refrigerators, Microwaves, water heaters etc)
  • Control Panels and cabinets
  • Hollow metal doors and clean-rooms
  • Aeronautics
  • Heavy duty Transformers
  • Batteries
  • Hydraulics
  • Name plate welding
  • Semiconductors
  • Super market displays
  • Diamond tools

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Click here for the list of components made by Capacitor Discharge Projection Welding Machines




Product Range
Projection Welding Machines : Capacitor Discharge Projection Welding Machines  |  Medium Frequency Spot And Projection Welding Machines
Stud Welding Machines : Capacitor Discharge Stud Welding Machines  |  Drawn Arc Stud Welding Machines  |  Shear Connectors
Special Purpose Welding Machines : Special Purpose Projection Welding Machines  |  Relay Welding Machine  |  Long Throat Machine
Hollow Metal Door C Channel Welding Machine  |  Special Purpose Yoke To Pole Welding Machine
U Hinge Welding Machine  |  Stiffener Welding Machine
Diamond Segment Projection Welding Machines  |  Boiler Fin Tube Projection Welding Machine

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