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Bolte Stud Welder Pro-C 900
Bolte Stud Welder Pro-C 900
SKU: B-93-30-2030

The microprocessor controlled stud welding unit PRO-C 900 is designed for capacitor discharge stud welding. Microprocessor control and continuous adjustment of charging voltage ensure in connection with the high performance of the unit optimum welding results and repeatability. Extremely short charging times and thus quick welding sequences are accomplished through the electronically clocked inverter charging board. The unit is easily operated by a very robust rotating pressure switch, all functions and parameters are shown on a big display.




  • charging voltage continuously adjustable



  • short charging times and thus quick welding sequences through electronically clocked inverter charging board



  • easy operation by a very robust rotating pressure switch



  • all functions and parameters are shown on a big display (display contrast adjustable)



  • library with pre-installed welding programmes (selectable via stud diameter and material)



  • 99 user-specific welding programmes can be stored



  • welding parameter monitoring and documentation


Price on Application
  • Description

    The microprocessor controlled stud welding unit PRO-C 900 is designed for capacitor discharge stud welding. Microprocessor control and continuous adjustment of charging voltage ensure in connection with the high performance of the unit optimum welding results and repeatability. Extremely short charging times and thus quick welding sequences are accomplished through the electronically clocked inverter charging board. The unit is easily operated by a very robust rotating pressure switch, all functions and parameters are shown on a big display.
    Pre-installed welding programmes facilitate the choice of the right adjustment values for different welding tasks. Additionally, user specific welding programmes can be stored. The modular design of the unit allows the customer specific choice of the equipment features. All optional equipment features can be retrofitted.
    The welding parameter monitoring, integrated as standard in all series PRO-C stud welding units, enables a quality control of the finished welds. By default, the parameter sets of the last ten welds are stored. The optional available welding parameter memory allows the storage of 16000 welds and has an USB-interface for data transmission to a PC.
    The PRO-C 900 enables a very comfortable, exact and fast adjusting of stud welding gun resp. automatic welding head by displaying the values for stud protrusion and lift that are adjusted on the gun resp. the welding head in the display of the unit. The time-consuming and inaccurate manual measurement of the adjusted values at the welding gun resp. head – as it is necessary for other units – can thus be omitted.
    For the operation of up to four stud welding guns with different adjustment values for charging voltage and capacitance on one unit the external adapter box PRO-SPLIT is available as accessory. The adapter box PRO-SPLIT automatically detects which gun is used.

  • Technical Specification
    Welding range Ø 2-10 mm
    Welding material steel, stainless steel, aluminium, brass
    Welding methods (acc. to DIN EN ISO 14555) capacitor discharge (contact and gap method)
    Welding time 1-3 ms
    Capacitance 90000 µF
    Charging voltage 60-200 V, continuously adjustable
    Charging energy 1800 Ws
    Power source capacitor battery
    Mains plug earth contact plug according to DIN 49441
    Mains supply 230 V (+/- 10%), 2 A, 50/60 Hz (convertable to 115 V (+/- 10%), 4 A, 50/60 Hz)
    Dimensions (WxHxL)195x260x400 mm
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