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How It's Made: Top Cap

Credit to Cam for filming, I did all lathe work. This is the v1 I made, I've completed v2 now. If you ever wanted to know how your top cap on your bike gets made, this is nothing similar. But enjoy.

21 Comments

Sshredder (Jan 22, 2014 at 11:17)

Milling a top cap the old fashioned way. A CNC machine would do it in about 30 seconds. The labour cost for your cap would put it about 200 bucks! Take some emery cloth or steel wool to it when its on the lathe bro. By the way I luv one off hand machined stuff. I made a bunch of fly fishing reels on a lathe at home.

hwipwill (Jan 22, 2014 at 13:49)

I sand it with about 500 grit on fast, 612 rpm. And the cost is still probably under 3$ for what I made ( considering the part I didn't use will be recycled because it's too short to hold onto). Thanks for the feedback, always nice to see other machinists out there.

Sshredder (Jan 22, 2014 at 17:15)

I think shop rate is about 150 bucks an hour.

hwipwill (Jan 22, 2014 at 17:29)

I didn't factor in this. I'd make people them for free, just shipping costs.

Stanley-w (Nov 6, 2014 at 10:49)

I don‘t know for a part not require extreme strength, it can be simply made by press?

patrickstadl (May 4, 2014 at 7:53)

nice work ! easy tip to get a flat bottom on that counter-bore for the bolt is to put an endmill in the drill chuck instead of the drill, so your bolts sits nice and flat.

cyfa89 (Jan 22, 2014 at 13:07)

Nice going

Will you use it?

hwipwill (Jan 22, 2014 at 13:50)

Yep! Just finished v2 actually. It's nice. v1 didn't fit as nicely as I wanted, being the perfectionist I said I'd do another one and it's way nicer, stronger, and won't crack.

Thepureface (Jan 22, 2014 at 19:07)

cool! you own all that stuff? or is it at a school/work?

hwipwill (Jan 22, 2014 at 19:13)

Oh shit no I don't own this haha this lathe is like 8 grand I think my teacher said, the cutter is about 6-10 grand new, plus mills, welding stuff, CNC machines etc. No way I could afford it.

hwipwill (Jan 22, 2014 at 19:15)

And by the way I want to talk to you about Highland, unblock me so we can talk.

Thepureface (Jan 22, 2014 at 19:18)

ohh, well use it while you can!!

and I unno how to block/unblock. Ill take a look though

hwipwill (Jan 22, 2014 at 19:20)

Exactly!

GoRideYoBike (Jan 22, 2014 at 9:13)

Cool job

hwipwill (Jan 22, 2014 at 10:00)

Thanks man.

newfie-rides (Jan 22, 2014 at 9:38)

Sick.

hwipwill (Jan 22, 2014 at 10:00)

Thanks dude.

stopcomponents (Jan 22, 2014 at 9:45)

sick vid,nice work

hwipwill (Jan 22, 2014 at 10:00)

Thanks man! Took some work to measure and then actually make it work but the video looks decent I think.

Mrkomodo (Jan 22, 2014 at 12:32)

Rad as F*ck dude

hwipwill (Jan 22, 2014 at 13:51)

Thanks man, took time making measurements and filming and editing and machining but it's so cool to have something nobody else does. I made these fridge magnets, nobody else has them. It's a great feeling.

How It's Made: Top Cap

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21 Comments