Pimpri, Pune, Maharashtra
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Capacitor Welding Machines

We are manufacturers of Capacitor welding machines. Our industry expertise allows us to deliver these in both standard and customized specifications as demanded by the customers. Products include Capacitor Discharge Stored Energy Welder, Capacitor Discharge Stud Welding Machine, Capacitor Discharge Projection Welding Machine, Capacitor Discharge Spot Welding Machine.

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Product Details:
Automatic GradeAutomatic
BrandArtech Welders
We offer high quality Capacitor Discharge Stored Energy Welder to our clients.


  • Large scale reduction in KVA demand
  • Welding of similar and dissimilar metals possible
  • No water cooling required for electrodes
  • Installation and operating cost of the machine is less
  • Machine can run on Genset
  • Weld joint free of blackening and distortion
  • No effect of voltage fluctuation on weld quality
  • Welding of heat sensitive parts is possible
  • Minimum heating of components during welding
  • As there is no heating of electrodes and no water cooling is required, cost of manufacturing and maintenance of fixtures and electrodes is reduced considerably
  • All recommended electrode materials are suitable for these welders



  • Shock Absorber Components
  • Projection Nut/bolt Welding
  • Oil Port To Cylinder Tube Welding
  • Oil Filters
  • Window Regulators/Seat Adjusters
  • Cap Nuts
  • Tie Rod Ends
  • Stainless Steel Impellers
  • Sheet Metal Fan Covers
  • Brake Shoes
  • Ball to Rod Welding
  • Auto Electrical Components
  • Switchgear Components
  • Stainless Steel Kitchenware
  • Whitegoods Components
  • Relays
  • Carbon Brush Assembly
  • Aeroengine And Aerospace Components
  • Sheet Metal Furniture Parts
  • Dissimilar Metal Parts
  • Silver Contact Welding
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Product Details:
Stud Welding RangeM3 to M8
Welding Cable3 mtrs Highly flexible
Weight30 Kgs
In this method a small projection (pip) at the end of the stud makes contact with the work-piece and energy from the bank of charged capacitors is discharged across the contact, melting the stud projection and creating shallow molten pool in the parent plate. At this time the stud is pushed into the work-piece under controlled spring pressure, completing the weld. Energy required for given welding operation is obtained by selection of voltage across the capacitor.

This process minimizes the depth of penetration into the parent metal surface and is used for welding smaller diameter ferrous and non-ferrous studs on light gauge material. The stud can be welded on the reverse side of coated or finished sheet with little or no marking on the finished side.


  • Uniform high welding quality
  • Application to different materials
  • No re-working necessary on the other side of the weld
  • No additional material necessary, such as flux, inert gas
  • Elimination of different operations such as drilling, riveting etc.
  • No leakages even when welding on containers



  • Control panels
  • Elevator panels
  • Sound proof canopies
  • Cookware
  • Shipbuilding
  • Super market display
  • Electro-static precipitators
  • Insulation
  • Steel furniture
  • Cabinets and racks


Technical Details:

Stud welding range

M3 to M8

Welding Method

Tip Ignition

Power source

Capacitor Bank


66000 micro fahrad

Charging Voltage

50 to 200 Volts variable

Welding Time

0.001 - 0.003 sec

Welding Speed

Upto 10 studs per min. Depending on stud diameter

Power Supply

230 Volts 50 Hz Single Phase

Welding Cable

3 mtrs Highly flexible

Ground Cable

2x3 mtrs Highly flexible


470x250x270 mm


30 Kgs

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Product Details:
BrandArtech Welders

We offer customers Capacitor Discharge Spot Welding Machine. These spot and projection welding machines are designed to perfectly operate on the principle of capacitor discharge and welders use mains input power only for control & charging the capacitors that store energy. The superior built in control also ensures that stored energy is always constant irrespective of voltage fluctuations. Further, the demand on input power required for charging of capacitors is less that results in saving of large KVA demand, hence bringing reduction in operational costs. Our capacitor discharge for spot welding machines are a welcome investment, particularly for areas where:

  • Voltage fluctuations are common
  • Availability of power is scarce
  • Cost of high KVA installations is prohibitive

Working Principle:

  • Stored energy when required is discharged into weldment via pulse transformer & weld is carried out in few milli-seconds
  • In the involved process only actual welding areas is molten & fused together
  • Welded parts are clean & undistorted (as there is insufficient time for heat to spread beyond welding area), thus providing a smooth finish to the weld
  • Preset pressure switch helps in automatically maintaining consistent weld quality
  • Welders use fabricated frame structure for housing capacitor banks, control circuits charging & discharging transformers
  • The welding electrodes mounted in C-shaped quick response press mechanism
  • Hydraulic/pneumatic operated and electrode movement
  • Conservative design & use of proven components like electrolytic capacitors and solid-state switches
  • Machines provide long welding life & ease of operations
  • All recommended electrode materials are suitable for these welders



  • Large scale reduction in KVA demand
  • Excellent aesthetics as there is negligible blackening at weld joint
  • Machine can run on Genset
  • Very effective for components requiring mark-less spot welding
  • No effect of voltage fluctuation on weld quality



  • Spot Welding of Sheets
  • Spot Welding of Utensils
  • Spot Welding
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Artech Welders Private Limited

Subhash Patwardhan(Director)
No. A- 24/1, H-Block, MIDC, Pimpri
Pune - 411018
Maharashtra, India
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