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Tecfeed 350I Voltage Sensoring Wire Feeder Unit for CC/CV Power Source
PRODUCT ENQUIRY
Description
TECFEED feeders are constructed in a strong reinforced moulded case to give a fully enclosed wire feed unit which is sealed against the elements. Rugged construction & excellent portability make these models perfect for all site welding applications in even the harshest of environments. TECFEED standard size models take 300mm 15kg spool sizes, the compact versions are designed to take 200mm 5kg spool sizes. All models are fitted with a heavy duty British made contactor to allow welding up to 350A Suitable for straight polarity (standard MIG/MAG with gas) or reverse polarity (for gas less MIG).
Suitable for any type of MMA/stick CC/CV output DC welding power source & can be used for MIG/MAG with gas or with self shielding wires.
TECFEED 350i – 350 amps rating, 4 roll wire drive – available in standard 15kg
Functions & features for all models;
Gas solenoid fitted.
Heavy duty contactor fitted for non live torch.
2T/4T torch trigger latching function.
Adjustable burnback control.
Wire inching switch.
Torch Euro connection.
Wire Diameter 0.8-1.6mm (-2.4mm for 450)
Weld volts 15-33V
Wire speed range 2-22M/min
IP protection * IP54
Approx weight 10kg
Further information – CC vs CV power sources;
For the very best MIG welding performance a CV (constant voltage output) is preferred. With CV a perfect arc condition as you would expect from any good workshop MIG can be achieved permitting welding from very thin sheet material up to structual steel fabrication. Many of the more expensive engine driven power sources have CC/CV output which is the perfect solution.
However, more popular power sources tend to have only CC output designed mainly for MMA stick electrode welding. For use as a MIG welder these power sources have some limitations at lower power particuarly in dip transfer mode. The worst case is trying to MIG weld thin materials in dip transfer with a large diameter MIG wire, this can result in an unstable arc condition. If the CC power source is fitted with ‘ARC FORCE’ control this can improve the arc condition to be almost as good as as a CV power source. Also reducing the wire diameter helps arc stability at low power. At increased welding power, globular & spray transfer superb MIG welding results are achieved with a CC power source.
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