MIG200L PRO DUAL PULSE
7
WIRE FEED ROLLER SELECTION
Solid Hard Wire - like Steel, Stainless Steel require a drive roller with a V shape groove for optimum grip and drive
capability. Solid wires can have more tension applied to the wire from the top pressure roller that holds the wire in
the groove and the V shape groove is more suited for this. Solid wires are
more forgiving to feed due to their higher cross sectional column strength, they are stiffer and don’t bend so easy.
Soft Wire - like Aluminum requires a U shape groove. Aluminum wire has a lot less column strength, can bend
easily and is therefore more difficult to feed. Soft wires can easily buckle at the wire feeder where the wire is fed
into inlet guide tube of the torch. The U-shaped roller offers more surface area grip and traction to help feed the
softer wire. Softer wires also require less tension from the top pressure roller to avoid deforming the shape of the
wire, too much tension will push the wire out of shape and cause it to catch in the contact tip.
Accessories:
V GROOVE DRIVE ROLLER - STEEL WIRE
1 x 0.8-0.9 V
U GROOVE DRIVE ROLLER - ALUMINUM WIRE
1 x 1.0-1.2 U
KNURLED ROLLER
1 x 0.8-0.9 KNURLED ROLLER
