powder coated rear box

rugbyken

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i would like to replace my bike rack with a rear box the sort bolted on a frame from the chassis not sitting on the bike rack , although fairly easy to get the aluminium type i saw one last year that was powder coated and you couldn’t tell it was there from a distance, i’m sure the owner said he got it from leeds any clues folks or alternative suppliers
 
Powder coating is not that good as it cannot be touched up and flakes of in big lumps,remember the cars with black bumpers and also car wheels spring to mind.
either shotblast and galvo or two pack epoxy finished with 2k polyurathane,this can also be done over galf if a very thin two pack etch which is thin looking yellow colour nearly see through and smells like cats p-ss.
 
Powder coating if done properly is brilliant, lots of al/al components in an outside environment are powder coated, in fact, my rather large al/al rear entrance gates are powder coated, look as perfect as the day I hung them.

Maybe some coaters are better than others.

Loynes of belfast went down the tubes with going the powder root,when we started it was one sure thing we stayed well clear of because of the many claims put in against loynes,belfast telegraph was one such co which after a short time all there alloy windows started to flake.
The best use for powder is chair legs ,banister rails etc which are all indoor of which for being tuf powder is great.
 
Worked in an engineering factory which had a powder coating paint track, everybody did or had guvvies done,mild steel and aluminium we're not powder coated if it was for outside.As soon as the surface is chipped the coated object draws the moisture in.
 
What are "guvvies"?

Guvvies are freebies , especially where I worked.Anything that could be crafted from mild steel, aluminium, break presses large punch , laser, milling turning, the lot it was a free for all we're a guvvies was concerned and the powder coating was also free.
 
Powder coating is not that good as it cannot be touched up and flakes of in big lumps,remember the cars with black bumpers and also car wheels spring to mind.
either shotblast and galvo or two pack epoxy finished with 2k polyurathane,this can also be done over galf if a very thin two pack etch which is thin looking yellow colour nearly see through and smells like cats p-ss.

Totally agree.
 
A good powder coat needs heat, very careful preparation which is different for some substrates, a rough surface & low humidity when applied.

The finished items then have to be handled with care to prevent chipping, which causes water to get under the surface with the resultant flaking of the coating.

Phill
 
thanks for that link phil i’ve saved it but i’m a bit anal about storage & boxes jan is constantly telling me i don’t need more lol, i’ve found a couple of sites one from germany looks very good but most of the boxes are the type that you fit the bike rack on top of so max 700 above bumper height, i have no rear window so was looking for a double door unit about 1400 wide 1200 high 300 deep may have to go the bespoke route,
 
Just on the point of durability of powder-coating, Niesmann+Bischoff have been using double aluminium sandwich walls and roofs on their MHs for years with a powder-coated finish and I have never heard of any problems including our 15 year-old Arto.

I suspect that as has been said it is how it is applied.

Geoff
 
thanks terry the metallics people were one i’d e mailed yesterday they had replied with a request for more info dimensions etc when i get the van back from service will measure up for chassis etc,
 
Rear box

This came with my van when I bought it this year.

A Dutch guy had owned the van from new and had the box made especially to fit his B Class.

I'm not going to use it as I'm going to tow my large motorbike behind.

image.jpeg[SUP]
 
Just on the point of durability of powder-coating, Niesmann+Bischoff have been using double aluminium sandwich walls and roofs on their MHs for years with a powder-coated finish and I have never heard of any problems including our 15 year-old Arto.

I suspect that as has been said it is how it is applied.

Geoff

I suspect that there must be different forms of powder coating as the one I'm familiar with needs to be backed at high temperature which l doubt could be done whith a layer of insulation material sandwiched between, so the alledged powder coating must of been done when it was in sheet form suggesting to me a flexible coating as it's in a roll prior to manufacture of a sandwich.
 
Matl may be cut to size first, then powder coated.

What about all the cutouts for windows and doors , powder coating is the last the last thing you do after fabrication, the panel would be too flimsy to coat and bake.
 

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