Through use of integrated. bi-fuel engine technology, MTU is able to meet the specific demands of well servicing in a field. installable kit, which retains all internal diesel engine components and ensures safe and. reliable operation at original engine performance and emissions specifications. Authors:
100 % argon gas is usually the gas of choice but mixtures like 50/50 argon/helium can be helpful for welding thick sections.Make sure the polarity is connected properly. mig welding aluminum requires reverse polarity. Another way of saying reverse polarity is Direct current electrode positive or DCEP.
In MIG, a spool of solid-steel wire is fed from the machine, through a liner, then out of a contact tip in the MIG gun. The contact tip is hot, or electrically charged, when the trigger is pulled and melts the wire for the weld puddle. This is accomplished in several ways.