QUICK CHANGE BRAKING SYSTEM

摘要

A braking system (32) for a welding machine is provided. In one aspect, the braking system includes a brake surface (58), a spool hub shaft (56), a spool hub (34), an adjustment knob (64) and an expandable and compressible member (62). The spool hub shaft is capable of engaging against the brake surface. The expandable and compressible member (62) is provided between the spool hub (34) and the adjustment knob (64)to apply varying levels of force on the spool hub (34). The spool hub shaft (56) has at least one tab (66) which is capable of engaging with a recess in the adjustment knob (64) to adjust the force applied by the member on the spool hub (34).