Stored Energy Welders/Welding

(History / Definition / Principle of Stored Energy Welders / Welding)

History: Stored energy welders were developed between 1985 and 1990. A design patent was registered in 1995 by Rick D. Wilson in USA. Definition: The enhanced process of resistance welding by supply energy to work in 2 to 5 milli seconds instead of 100 ms + from a energy stored source. Principle: The stored energy welding machine extracts energy from the power line over a period of time and stores it in a high voltage capacitor's bank. The stored energy is discharged through a pulse transformer which converts the high voltage pulse into the required high current pulse (at low voltage) which is delivered by highly conductive cables to the welding head and passes through the work piece.

Stored energy welders are suitable for wire to wire and strio to nut welds.

Technical 
Specifications:
Item Unit SE 12/7
Supply V 415V± 10%
Phase Ph. 3
Power KVA 7.5
Stored Energy Jule 5500
Clamping Type. Hydraulic
Clamping Force Kgf. 1550
Max Charging Time Sec. 2.5
Throat Depth Inches 8
Capacitor Coolinh Type Forced Ait
Dimention H.D.W Inches  92,71,18
cm. 234,180,46
Weight Kg. --
Key Feature Lower power consumption than traditional projection welders.
Technical 
Specifications:
Item Unit SE 12/10
Supply V 415V± 10%
Phase Ph. 3
Power KVA 10
Stored Energy Jule 8500
Clamping Type. Hydraulic
Clamping Force Kgf. 1550
Max Charging Time Sec. 3
Throat Depth Inches 8
Capacitor Coolinh Type Forced Air
Dimention H.D.W Inches cm. 92,71,18
234,180,46
Weight Kg. 1050
Key Feature Lower power consumption than traditional projection welders.
Technical 
Specifications:
Item Unit SE 12/10
Supply V 415V± 10%
Phase Ph. 3
Power KVA 10
Stored Energy Jule 8500
Clamping Type. Hydraulic
Clamping Force Kgf. 1550
Max Charging Time Sec. 3
Throat Depth Inches 8
Capacitor Coolinh Type Forced Air
Dimention H.D.W Inches cm. 92,71,18
234,180,46
Weight Kg. 1050
Key Feature Lower power consumption than traditional projection welders.
Comparison:
Item Unit SE 12/7 SE 12/10 SE 12/20 AP15
Supply V 415V± 10% 415V± 10% 415V± 10% 415V± 10%
Phase Ph. 3 3 3 3
Power KVA 7.5 10 20 2
Stored Energy Jule 5500 8500 13000 --
Clamping Type. Hydraulic Hydraulic Hydraulic Hydraulic
Clamping Force Kgf. 1550 1550 2200 200
Max Charging Time Sec. 2.5 3 2.5 3
Throat Depth Inches 8 8 10 6
Capacitor Coolinh Type Forced Ait Forced Air Forced Air --
Dimention H.D.W Inches cm. 92,71,18 92,71,18 92,71,22 --
234,180,46 234,180,46 234,180,56
Weight Kg. -- 1050 -- 350
Key Feature Lower power consumption than traditional projection welders.

Keywords : Stored Energy Welding Machine / Capacitor Discharge Welding

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