Luggsey
Member
- Messages
- 209
- Location
- Devon
I actually fought with my demons today and set about determined to get my late Dads SIP Mig to actually work!
It has caused us much grief over the years and ended up languishing at the back of the shed slowly rusting away.
It would never happily weld, always spitting and poping no matter the setting.
Today I stripped it down and cleaned it out.
Took corrosion off the wire feed bearing which is dry and rumbly after about 10 years of no use...
I throughly cleaned out the wire sheath and got ready to go!
Wire motor refused to go initially but gave in and runs ok now.
I think I finally realised why the wire feed never worked properly.
The 0.6mm wheel doesn't grip 0.6 wire! (The 0.8 grips 0.6 fine later on)
The wire feed mechanism is out of whack and the tension bearing must sit dead centre of the groove in the wheel. These SIP welders also allow the whole wire feed to 'bow' slightly under tension load.
So half a dozen copper washers packing the bearing and wheel until dead centre under load and presto! Good clean mig welds!
I'm happy and I'm sure my Dad would have been as well.

It has caused us much grief over the years and ended up languishing at the back of the shed slowly rusting away.
It would never happily weld, always spitting and poping no matter the setting.
Today I stripped it down and cleaned it out.
Took corrosion off the wire feed bearing which is dry and rumbly after about 10 years of no use...
I throughly cleaned out the wire sheath and got ready to go!
Wire motor refused to go initially but gave in and runs ok now.
I think I finally realised why the wire feed never worked properly.
The 0.6mm wheel doesn't grip 0.6 wire! (The 0.8 grips 0.6 fine later on)
The wire feed mechanism is out of whack and the tension bearing must sit dead centre of the groove in the wheel. These SIP welders also allow the whole wire feed to 'bow' slightly under tension load.
So half a dozen copper washers packing the bearing and wheel until dead centre under load and presto! Good clean mig welds!
I'm happy and I'm sure my Dad would have been as well.
