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+--- Thread: front fork (/showthread.php?tid=8753)
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front fork - sonnyb_imp - 07-02-2018
Would anybody know where I could get that black,upper front fork part(normally it's chrome)or how it is made?
thanks
RE: front fork - jtopiso_imp - 07-02-2018
Google for "balinit dlc coating". I think it must be some coating of that kind. I also think it won't be cheap.
RE: front fork - sonnyb_imp - 07-02-2018
(07-02-2018, 03:38 AM)jtopiso_imp Wrote: Google for "balinit dlc coating". I think it must be some coating of that kind. I also think it won't be cheap.
I will,
Thanks
RE: front fork - jtopiso_imp - 07-03-2018
(07-02-2018, 07:01 AM)sonnyb_imp Wrote:(07-02-2018, 03:38 AM)jtopiso_imp Wrote: Google for "balinit dlc coating". I think it must be some coating of that kind. I also think it won't be cheap.
I will,
Thanks
I will,
Thanks
Let me elaborate on my quick answer (I was posting from the phone, so...)
There are several coatings that could be use. I am sure that there is something among the coatings from "balinit" that would work, but perhaps you have some other supplier closer to your place.
Anyway: the use of chrome for suspension bars and damper rods is due to several propierties, mainly:
-hardness
-corrosion resistance
-friction performance (i.e. low friction coefficient)
So you need something that performs the same or better than a chrome coating but with a black (or very dark) apperance. From the top of my head, DLC would be my first choice, but I'd get profesional advise.
Also: keep in mind that unless you are getting new bars made to your spec, you'll need to strip the chrome first and then apply the new coating. But, by doing so, the OD of the bars has to remain the same. I think this could be quite tricky, as sand blasting the chrome out is not an accurate process, so the final dimension after coating would be difficult to predict.
Or perhaps I am over-thinking about it, and for coating experts this is a piece of cake...
Let's us know if you get a quote.
RE: front fork - the Ferret - 07-03-2018
They make " black" chrome don't they? I know several Honda models in the past had black chrome parts, including exhaust.
RE: front fork - jtopiso_imp - 07-03-2018
(07-03-2018, 10:50 PM)The ferret_imp Wrote: They make " black" chrome don't they? I know several Honda models in the past had black chrome parts, including exhaust.
Yes, but it's not very common. However, I think it's only a cosmetic /corrosion protective coating, so I don't know if it could be used on suspension bars (in addition to the a surface finish, it requires a high hardness to resist the wear).
RE: front fork - Lord Popgun - 07-03-2018
Here is a short thing on black chrome plating: https://www.arlingtonplating.com/capabilities/black-chrome-plating/
RE: front fork - sonnyb_imp - 07-04-2018
gentleman,
thank you and keep it coming,I will call Arlington,
RE: front fork - jedd_imp - 07-04-2018
Like what others said, the black mirror like look is from DLC coatings ....
https://www.ibccoatings.com/dlc-coating-diamond-like-carbon-coating-ceratough-d
you may want to consider DLC (vs, black chrome) because you will see a greater reduction w/ friction over chrome.
This is the main reason for doing DLC on forks.
The motorcross & track junkie guys dlc their fork sliders for around $500 to $600 through suspension shops.
The shops send them off to get it done through an industrial specialty coatings facility they're familiar with.
RE: front fork - jtopiso_imp - 07-04-2018
(07-03-2018, 07:50 PM)jtopiso_imp Wrote:(07-02-2018, 07:01 AM)sonnyb_imp Wrote:(07-02-2018, 03:38 AM)jtopiso_imp Wrote: Google for "balinit dlc coating". I think it must be some coating of that kind. I also think it won't be cheap.
I will,
Thanks
I will,
Thanks
Let me elaborate on my quick answer (I was posting from the phone, so...)
There are several coatings that could be use. I am sure that there is something among the coatings from "balinit" that would work, but perhaps you have some other supplier closer to your place.
Anyway: the use of chrome for suspension bars and damper rods is due to several propierties, mainly:
-hardness
-corrosion resistance
-friction performance (i.e. low friction coefficient)
So you need something that performs the same or better than a chrome coating but with a black (or very dark) apperance. From the top of my head, DLC would be my first choice, but I'd get profesional advise.
Also: keep in mind that unless you are getting new bars made to your spec, you'll need to strip the chrome first and then apply the new coating. But, by doing so, the OD of the bars has to remain the same. I think this could be quite tricky, as sand blasting the chrome out is not an accurate process, so the final dimension after coating would be difficult to predict.
Or perhaps I am over-thinking about it, and for coating experts this is a piece of cake...
Let's us know if you get a quote.
It looks like it's a "common" solution: Ti Nitride for some colour options, and DLC (only black) for better performance:
https://www.brooksuspension.co.uk/services/low-friction-coating.html
If I had my forks re-coated, I'd choose DLC.
(Color or colour?
?)