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annodising

Booti

suicide blonde comin thru
Aug 18, 2003
280
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Manchester
can anyone recommend any places that can annodise a marker

any ideas on the cost and time scale to do it

just a thought i am having for a project

cheers
 

chunk

Irish P.I.M.P
Mar 31, 2002
1,108
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Ireland
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Originally posted by Booti
can anyone recommend any places that can annodise a marker

any ideas on the cost and time scale to do it

just a thought i am having for a project

cheers
joe bob c the word can
i cant remember garage doing that ,maybe a place but


go to www.furysports.co.uk
they have done feckin nice jobs check the gallery
 

desponge

weekend warrior
Aug 6, 2003
1,167
84
83
44
Darlington
try www.belsales.co.uk . they do annodizing,dust finish;



single colour-£60
fade -£85

for 5 piece of autococker,not sure about any other markers,but cant be that expensive,bloody cheap if you ask me:rolleyes: :D
 

Booti

suicide blonde comin thru
Aug 18, 2003
280
0
26
Manchester
cheers for the info fellas

not had chance to ask the companies individually, so maybe someone on here can help me with the following

how is annodising done ?
is it sprayed, dipped, powder or electro plating of some description

can you annodise any metal or does i have to be ali

if you get your barrel done, how do they prevent the bore size from changing

do any of these companies do non-paintball related custom anno work

cheers for any info
 

JoseDominguez

New cut and carved spine!
Oct 25, 2002
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You can do it to any metal that reacts with oxygen (like titanium and aluminium) it's an enhanced form of oxidation....... using electric charge and chemicals to accelerate and control it...... the actual layer is transparent and hard/protective, it can be coloured before it's sealed. The annodizing comes from "anode" as it happens at that electrode.
That's the science description :) (science teacher) is it the same process for a marker? anyone in the industry help?
As for the bore size....... annodizing forms a layer using the existing metal......so it wouldn't change the bore size enough to register (if at all... anyone clarify that?)... after all we measure 0.685, 0692 etc.... and that's massive at an atomic level.
 

Booti

suicide blonde comin thru
Aug 18, 2003
280
0
26
Manchester
cheers jose

looking at getting a non-paintball job done sometime this year....just wondering whether to build the item out of steel or ali

looks like ali is going to be the better option

just gotta ring these guys and see how big an item they can anno :p

cheers again
 

JoseDominguez

New cut and carved spine!
Oct 25, 2002
3,185
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www.myspace.com
yup, annodising needs to be on something that forms a surface layer....... titanium, niobium or aluminium. Most people think titanium and aluminium are really tough and unreactive/corrosion resistant...... they aren't. They are incredibly reactive, so reactive that they bind to oxygen as soon as they hit the air...... this forms a thin layer of aluminium oxide (or titanium oxide) that is very unreactive....(it's already grabbed something) and stops anything in the atmosphere from getting to the reactive metal... nicks and scratches also bind to oxygen as soon as they happen and re-protect, that's why you can make greenhouses etc out of aluminium and leave the metal bare. Annodising enhances this normal reaction and makes a controlled coating, that's tough, resistant and looks pretty.
Steel (or iron etc....) reacts differently...... it's a lot less reactive than aluminium/titanium so it happens slower but goes deeper... that's why when steel rusts it "eats" right through.
Ever see thermite go off? it's just iron oxide (rust) and aluminium powder...... you ignite them and the aluminium "rips off" the oxygen from the rust as it's more reactive......... generates huge heat, leaves you with molten iron as it hits 900 degrees!
Sorry, went off on one....... what are you building?