Subframe/Factory Finished Ali........ Welding difficulties
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Subframe/Factory Finished Ali........ Welding difficulties
Has anyone any 'preparation for welding' recommendations?
I sent my Subframe for welding the other day and the guy that did it (Ex Aerospace Engineer) found it a pain.
His thoughts were that it had been anodised or coated in something.
Laquered to prevent weathering, perhaps?
Any ideas how to make it easier to weld?
Bead Basting or polishing?
While I'm on,
can anyone recommend a good 'How To' guide to frame polishing coz I aint got a clue where to start and best equipment to use.
Thanks Guys.
I sent my Subframe for welding the other day and the guy that did it (Ex Aerospace Engineer) found it a pain.
His thoughts were that it had been anodised or coated in something.
Laquered to prevent weathering, perhaps?
Any ideas how to make it easier to weld?
Bead Basting or polishing?
While I'm on,
can anyone recommend a good 'How To' guide to frame polishing coz I aint got a clue where to start and best equipment to use.
Thanks Guys.
Fringe- MotoGP Legend
- Number of posts : 1036
Age : 59
Location : Stockport, Cheshire
My bike(s) : Fightered RRS
Registration date : 2007-07-26
Re: Subframe/Factory Finished Ali........ Welding difficulties
Fringe wrote:Has anyone any 'preparation for welding' recommendations?
I sent my Subframe for welding the other day and the guy that did it (Ex Aerospace Engineer) found it a pain.
His thoughts were that it had been anodised or coated in something.
Laquered to prevent weathering, perhaps?
Any ideas how to make it easier to weld?
Bead Basting or polishing?
While I'm on,
can anyone recommend a good 'How To' guide to frame polishing coz I aint got a clue where to start and best equipment to use.
Thanks Guys.
Um Not 100% sure mate, I would give any ali that your going to weld a bleedin good clean by sanding it down & then degrease it properly, I can't say I've got a good knowledge of prep work when it comes to ali. As for frame polishing I think you start off with a course sand paper & then start working your way up to really fine wet & dry, I think your not meant to jump more than 80 grit at each jump & then start using a ali compound polish of sorts.
I'm sure Cabbie will come on & tell you exactly how to go about both jobs as he's da man when it comes to all that kinda thing
griz- MotoGP Legend
- Number of posts : 1928
Age : 54
Location : Cheddar
My bike(s) : 93 Blade Streetfighter & a 96 Engineless Blade, soon to become 1 & a 95 GPZ1100 Grand tourer which is looking for a new home! lol
Registration date : 2007-08-08
Fringe- MotoGP Legend
- Number of posts : 1036
Age : 59
Location : Stockport, Cheshire
My bike(s) : Fightered RRS
Registration date : 2007-07-26
Re: Subframe/Factory Finished Ali........ Welding difficulties
Fringe wrote:Ta Griz
Your welcome mate, sorry I can't give you more help, you might be better off getting a ali polishing kit that you could put on a drill as I think sanding the frame will take a lot of work!
griz- MotoGP Legend
- Number of posts : 1928
Age : 54
Location : Cheddar
My bike(s) : 93 Blade Streetfighter & a 96 Engineless Blade, soon to become 1 & a 95 GPZ1100 Grand tourer which is looking for a new home! lol
Registration date : 2007-08-08
Re: Subframe/Factory Finished Ali........ Welding difficulties
My welder had no problem with the subframe, I just added bits and he welded them on!
As for polishing the frame, take it to a polishers end of.
As for polishing the frame, take it to a polishers end of.
cabbie- MotoGP Legend
- Number of posts : 2139
Age : 60
Location : London
My bike(s) : fireblade
Registration date : 2008-11-18
Re: Subframe/Factory Finished Ali........ Welding difficulties
Thanks for the replys
Fringe- MotoGP Legend
- Number of posts : 1036
Age : 59
Location : Stockport, Cheshire
My bike(s) : Fightered RRS
Registration date : 2007-07-26
Re: Subframe/Factory Finished Ali........ Welding difficulties
i bought summat by 3m called a roloc adaptor and different grades of q/d polishing pads. They fit on an angle grinder. Much faster than a drill. Only use finest grade though. Try ebay search, i may split cost with you.
Guest- Guest
Re: Subframe/Factory Finished Ali........ Welding difficulties
Fringe wrote:
His thoughts were that it had been anodised or coated in something.
Laquered to prevent weathering, perhaps?
cabbie wrote:My welder had no problem with the subframe, I just added bits and he welded them on!
The welding gear should burn through any coating easily enough, but whenever welding, you should key/grind the area very slightly before a new weld so it's raw as can be, so you get the strongest weld possible.
cabbie wrote:As for polishing the frame, take it to a polishers end of.
Oh dear are your fingers still sore?
fastbikefinder- MotoGP Legend
- Number of posts : 4582
Age : 46
Location : Muddy Fenland
My bike(s) : Trek VX with suspenders & Specialized Hemi
Registration date : 2007-11-23
Re: Subframe/Factory Finished Ali........ Welding difficulties
Took like 3 days to recover never again!
cabbie- MotoGP Legend
- Number of posts : 2139
Age : 60
Location : London
My bike(s) : fireblade
Registration date : 2008-11-18
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