Retrobike Forum Index

It is currently Tue Dec 06, 2016 11:36 am

* Login   * Register * Search  * FAQ



Post new topic Reply to topic  [ 40 posts ]  Go to page Previous  1, 2, 3, 4  Next
Author Message
 Post subject:
PostPosted: Sun Apr 03, 2011 5:29 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
User avatar

Joined: Sun Apr 02, 2006 1:03 pm
Posts: 11796
Location: Returning
got a little machine time

Image



Image


Top
 Profile  
 
 Post subject:
PostPosted: Sun Apr 03, 2011 8:39 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
User avatar

Joined: Sun May 25, 2008 11:03 am
Posts: 18212
Location: Sunny Glasgow
Wow ,Mikee . :shock: 8) 8) That is one seriously beautiful crank you've made there,really outdone yourself 8)


Top
 Profile  
 
 Post subject:
PostPosted: Sun Apr 03, 2011 9:40 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
User avatar

Joined: Sun Apr 02, 2006 1:03 pm
Posts: 11796
Location: Returning
work in progress andy


Top
 Profile  
 
 Post subject:
PostPosted: Mon Apr 04, 2011 3:30 am 
Retro Guru
User avatar

Joined: Tue Oct 06, 2009 5:51 pm
Posts: 733
Location: Bay Area
Are those machined out of a single piece of Aluminum?
Very impressive.

How do you machine the taper? I've always wondered how that was done. Do you drill a circular hole then use a very small bit to mill the square?


Top
 Profile  
 
 Post subject:
PostPosted: Mon Apr 04, 2011 9:22 am 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
User avatar

Joined: Sun Apr 02, 2006 1:03 pm
Posts: 11796
Location: Returning
the taper is done with a 4 mm end mill
its done by using a sub program called a merge
you define top and bottom shapes then the distance for
the merge to take place over , in this case 2 squares top one larger
than the bottom one over a height of 17 odd mm
the mill then cuts in .2 steps (or whatever its set for )


Top
 Profile  
 
 Post subject:
PostPosted: Mon Apr 04, 2011 11:35 am 
BANNED USER
BANNED USER

Joined: Mon Mar 15, 2010 11:24 am
Posts: 9923
If you need someone to road test them cranks mikee......... :wink:

like them lots 8)


Top
 Profile  
 
 Post subject:
PostPosted: Mon Apr 04, 2011 2:16 pm 
Gold Trader / rb Rider / Special
Gold Trader / rb Rider / Special
User avatar

Joined: Mon Aug 31, 2009 12:26 am
Posts: 16165
Location: Rurally close.
wow, just wow
(the whole thread)

why do we love machined parts so much?
is it because many of us are engineers?
this is our art


Top
 Profile  
 
 Post subject:
PostPosted: Mon Apr 04, 2011 2:25 pm 
BANNED USER
BANNED USER

Joined: Mon Mar 15, 2010 11:24 am
Posts: 9923
The amazing thing is that mikee is only sixteen cyfa....why cant you do things like that ?? huh....ask yourself that :lol:


Top
 Profile  
 
 Post subject:
PostPosted: Mon Apr 04, 2011 3:12 pm 
Gold Trader / rb Rider / Special
Gold Trader / rb Rider / Special
User avatar

Joined: Mon Aug 31, 2009 12:26 am
Posts: 16165
Location: Rurally close.
marin man wrote:
The amazing thing is that mikee is only sixteen cyfa....why cant you do things like that ?? huh....ask yourself that :lol:


i can, but we dont all have access to 2 sheds, a large garden, a fence and a bird feeder do we!!
:(


Top
 Profile  
 
 Post subject:
PostPosted: Mon Apr 04, 2011 6:19 pm 
Retro Guru
User avatar

Joined: Mon Jul 31, 2006 3:07 pm
Posts: 2044
Love it Mikee. This is where I keep saying the whole Retro thing will head to. Just like Hot rodding people will get tired of gathering items to assemble period correct builds (Amyebrook's c26 probably being the ultimate example). Some more advanced "concept" or "theme" builds will start to appear using machined parts that are in the style of the overall build.
How about a Pace 100 with square stem/front forks/ cranks.....?


Attachments:
33's.jpg
33's.jpg [ 222.21 KiB | Viewed 2620 times ]
Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 40 posts ]  Go to page Previous  1, 2, 3, 4  Next

All times are UTC [ DST ]


Who is online

Users browsing this forum: No registered users and 8 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  

About Us

Follow Retrobike

Other cool stuff

All content © 2005-2015 Retrobike unless otherwise stated.
Cookies Policy.
bikedeals - the best bike deals in one place
FatCOGS - Fat Chance Owner's Group

Powered by phpBB® Forum Software © phpBB Group