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Beginner: Welding
9 years 8 months ago #146692
by trucksyd
Replied by trucksyd on topic Re: Beginner: Welding
G'day,I did some more rust patches on my inter , I started by cutting out the steel..
I use this thick tracing paper to mark it out ,just gently follow the cut out section,
After I've measured the cutout piece ,I place it over this steel, & trace around the tracing paper ,then I get the cutting wheel grinder ,& carefully cut the shapes,I stay a mm or so outside the liner to have a little bit there in case..
I sprayed the inside of the cut & also the back of the piece with this copper spray ,(Geoff from this truck forum put me onto this ,he also helped me out with some very helpful welding tips)thanks again mate..
I started practising these welds after Geoff showed me ,my problem was the welds were to high ,so the problem was the wire speed was to slow ,I had the gas turned downed to its lowest setting which is good,after I practised the welds weren't high they were a small hump ,you may be able to see the newer welds in the photo...
There are different brands of this copper spray, there is a 3M brand & several others ,but they all do the same thing & are supposed to protect the steel ,so it's applied before welding..
This is the cutout piece, I measured it against the cut & it is close ,only a couple of mm out , so what I did was gently grind ,I wear thick gloves in case I nick myself ,& gently grind along this gets the gaps closer ,to the point of it sitting almost flush.
After I set my cutout pieces, I start the welder, I tried using the proper method with gas , but it was a bit strong & blew small holes through the steel ,so I backed off the wire speed & also the gas ,& just used smaller welds , the welds are a bit messy ,but I am still trying to get the hang of it, the patches are strong.
After grinding down the welds I used this wax & grease remover,just pour some onto a clean rag ,I always pour it onto the rag as I don't want the wax&grease to get dust back into tin . Then wipe your weld down with the wet rag & follow it by drying with another clean rag
At this stage the welds are there but I need to grind back ,& then give it a wax&grease, then prime again & apply bog,
This is where we are at for now, next time I will show what grit sandpaper to use , & do the finishing touches, although these procedures are similar to the last ones ,it can give you a better idea to repair your rust problems.
As I have said earlier I am only a beginner welder, but if these posts can help some of you blokes fixing your trucks in an economical way,it all helps especially you blokes living in the regional country areas who don't have access to panelbeaters etc...
I use this thick tracing paper to mark it out ,just gently follow the cut out section,
After I've measured the cutout piece ,I place it over this steel, & trace around the tracing paper ,then I get the cutting wheel grinder ,& carefully cut the shapes,I stay a mm or so outside the liner to have a little bit there in case..
I sprayed the inside of the cut & also the back of the piece with this copper spray ,(Geoff from this truck forum put me onto this ,he also helped me out with some very helpful welding tips)thanks again mate..
I started practising these welds after Geoff showed me ,my problem was the welds were to high ,so the problem was the wire speed was to slow ,I had the gas turned downed to its lowest setting which is good,after I practised the welds weren't high they were a small hump ,you may be able to see the newer welds in the photo...
There are different brands of this copper spray, there is a 3M brand & several others ,but they all do the same thing & are supposed to protect the steel ,so it's applied before welding..
This is the cutout piece, I measured it against the cut & it is close ,only a couple of mm out , so what I did was gently grind ,I wear thick gloves in case I nick myself ,& gently grind along this gets the gaps closer ,to the point of it sitting almost flush.
After I set my cutout pieces, I start the welder, I tried using the proper method with gas , but it was a bit strong & blew small holes through the steel ,so I backed off the wire speed & also the gas ,& just used smaller welds , the welds are a bit messy ,but I am still trying to get the hang of it, the patches are strong.
After grinding down the welds I used this wax & grease remover,just pour some onto a clean rag ,I always pour it onto the rag as I don't want the wax&grease to get dust back into tin . Then wipe your weld down with the wet rag & follow it by drying with another clean rag
At this stage the welds are there but I need to grind back ,& then give it a wax&grease, then prime again & apply bog,
This is where we are at for now, next time I will show what grit sandpaper to use , & do the finishing touches, although these procedures are similar to the last ones ,it can give you a better idea to repair your rust problems.
As I have said earlier I am only a beginner welder, but if these posts can help some of you blokes fixing your trucks in an economical way,it all helps especially you blokes living in the regional country areas who don't have access to panelbeaters etc...
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