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Welding Power Source

Assembly

Primary resistance welding transformer, contactor and weld timer feeding the head. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Welding Power Source parts and their functions

6 top-level parts · 136 parts in total · full bill of materials below
Welding Power Source parts diagram: 1 weld transformer, 2 weld SCR contactor, 3 weld timer, 4 weld cooling unit, 5 power supply, 6 fastener set. 136 parts in 6 top-level items.
Welding Power Source parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Weld Transformer 1× Primary step-down welding transformer
2 Weld SCR Contactor 1× SCR contactor switching weld current
3 Weld Timer 5 parts 1× Weld timer and current controller
4 Weld Cooling Unit 5 parts 1× Closed-loop water cooler for electrodes and transformer
5 Power Supply 1× Control-voltage supply
6 Fastener Set 1× Bolts, nuts, and washers.

3D model

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Build & assembly graph

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Bill of materials for Welding Power Source

6 top-level lines · 16 rows shown · 136 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Weld Transformer rebar-cage-welding-machine-weld-transformer 1× 1 · part
2 Weld SCR Contactor rebar-cage-welding-machine-weld-contactor 1× 1 · part
3 Weld Timer 5 parts rebar-cage-welding-machine-weld-timer 1× 1 127 assembly
3.1 Bare PCB pcb-bare 1× 1 · part
3.2 Microcontroller mcu 1× 1 · part
3.3 Current Sensor current-sensor 1× 1 · part
3.4 Relay relay 4× 4 · part
3.5 SMD Passive (R/C/L) smd-passives 120× 120 · part
4 Weld Cooling Unit 5 parts rebar-cage-welding-machine-weld-cooling-unit 1× 1 5 assembly
4.1 Cooling Pump rebar-cage-welding-machine-cooling-pump 1× 1 · part
4.2 Cooling Radiator rebar-cage-welding-machine-cooling-radiator 1× 1 · part
4.3 Coolant Tank rebar-cage-welding-machine-coolant-tank 1× 1 · part
4.4 Pressure Sensor pressure-sensor 1× 1 · part
4.5 O-Ring Set oring-set 1× 1 · part
5 Power Supply power-supply 1× 1 · part
6 Fastener Set fastener-set 1× 1 · part

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Where the welding power source is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks