Artech offers CD Stud Welding machines that are suitable to join small diameter studs to thin base metals. Capacitor Discharge Stud welding cycle is completed in 2-3 milliseconds on material as thin as 0.02 inch. The small weld times minimizes the amount of heat generated and penetration depth into the parent material making it ideal for welding smaller diameter ferrous non-ferrous studs on thin gauge base metals.

The stud or fastener can be welded on the reverse side of the coated or finished sheet with very little or no discoloration, distortion or burning. Stud welding provides a high-quality joint that is strong and resists loosening or breaking.


The capacitor discharge stud welding operates on the principle of capacitor stored energy. The weld gun and the stud are positioned against the workpiece and energy stored in the bank of capacitors is discharged through a special weld stud pip across the contact. Rapid discharge of energy disintegrates the projection pip on the end of the stud and the gun spring pressure forces the stud into the molten piece, to complete the weld.


  • Uniform high Welding Quality
  • Requires no re-working on the other side of weld
  • Requires no additional material such as flux, insert gas
  • Elimination of other operations like drilling, riveting etc
  • No leakages even when welding on containers


  • Password protection
  • Display and keyboard to set & save parameters
  • Weld counter

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News & Event

  • Great Response. Thank You.
    Artech's stall at Intec 2017 receives great response! This was Artech's 7th participation at the Intec, south India's leading expo for engineering industries. Artech's unique Capacitor Discharge Projection Welding technology is used by several leading companies from automotive to impeller...
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  • Changing the way Coimbatore welds!
    Coimbatore has been a hub for several pump manufacturers, both small and large. With the rising costs in cast impellers, several pump manufacturers started to shift to sheet metal impellers in late 90's. Artech's CD Projection welding machines have...
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  • The Art of Excellent Aesthetics
    Hollow Metal Doors, used in diverse industries, are distinguished by one unique characteristics - the clean, spot free finish. A typical hollow metal door may need up to 100 welds in various parts, adding a potential for black mark...
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