Electric welder arc striking device
A technology of arc striking device and electric welding machine, which is applied in the direction of arc welding equipment, welding equipment, manufacturing tools, etc., to achieve the effects of ensuring personal safety, reducing air consumption, and reliable operation
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[0017] Combine below image 3 , Figure 4 , Figure 5 Illustrate the embodiment of the present invention:
[0018] The general circuit diagram of the control device is image 3 As shown, T1 is the main transformer of the electric welding machine, L1 and L2 are the line voltage marks, which are connected to the 380V power distribution box, and K1 is the welding machine on / off control switch. CJ10 / 40A AC contactor is the primary side power switch of the main transformer of the welding machine, the hole is the single-phase rectifier, LB-smoothing reactor, DK is the AC and DC output selection switch, 3# and 4# wiring points are the control device wiring terminals, Connect to welder output wire bus.
[0019] T3 is the auxiliary transformer, single-phase 380V / 36V, 50VA is the AC power supply of the control device, F is the fusing fuse of the control device, which is used for "short circuit" protection of the power components of the control device, C6, C7, C8, C9, C10, NF Compos...
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