electro-music.com   Dedicated to experimental electro-acoustic
and electronic music
 
    Front Page  |  Articles  |  Radio
 |  Media  |  Forum  |  Wiki  |  Links  |  Store
Forum with support of Syndicator RSS
 FAQFAQ   CalendarCalendar   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   LinksLinks
 RegisterRegister   ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in  Chat RoomChat Room 
Live streaming at radio.electro-music.com

  host / artist show at your time
<on air> mosc Chez mosc - tonight, Twyndyllyngs live
Please visit the chat
 Forum index » DIY Hardware and Software
Trimming down Alpha pots
Post new topic   Reply to topic Moderators: jksuperstar, Scott Stites, Uncle Krunkus
Page 1 of 1 [9 Posts]
View unread posts
View new posts in the last week
Mark the topic unread :: View previous topic :: View next topic
Author Message
Zodiak



Joined: May 20, 2007
Posts: 238
Location: Gillingham, Kent UK

PostPosted: Sun Jan 12, 2014 5:31 pm    Post subject: Trimming down Alpha pots Reply with quote  Mark this post and the followings unread

I am more than happy with the Alpha pots recommended by the good folks here, they are superb and am happy that I changed.
There is however one slight niggle in that I can't find a knob that I am happy with that covers up the mounding nut so was wondering about cutting the shaft down by 5mm so that my existing ones would fit. Shocked
Has anybody tried this and how did it turn out? Confused
Thanks

_________________
Stephen
www.Rainsbury.Net
Back to top
View user's profile Send private message Visit poster's website
The Bad Producer



Joined: Mar 08, 2009
Posts: 253
Location: The Manhole

PostPosted: Mon Jan 13, 2014 7:54 am    Post subject: Reply with quote  Mark this post and the followings unread

I do this using some bolt cutter type pliers - quick and easy! I have tried sawing with a hacksaw years ago, but you get lots of metal dust...

The bolt cutters I have are little hand held ones with a 'levering-mechanism' that makes them cut harder (applies more pressure) than just you're normal cutters... oh here they are;

http://www.techool.com/productinfo.asp?pid=176&cid=7

Forge Steel Extra Leverage Pliers

Charlie

_________________
http://loudestwarning.tumblr.com/
http://soundcloud.com/thebadproducer
Back to top
View user's profile Send private message Visit poster's website
Zodiak



Joined: May 20, 2007
Posts: 238
Location: Gillingham, Kent UK

PostPosted: Mon Jan 13, 2014 9:24 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks, I have only chopped down plastic pot shafts with cutters. I can see what you mean about the dust and I was thinking of using a cutting disk on a dremel so maybe I need to re-think that.
_________________
Stephen
www.Rainsbury.Net
Back to top
View user's profile Send private message Visit poster's website
analog_backlash



Joined: Sep 04, 2012
Posts: 371
Location: Aldershot, UK
Audio files: 21

PostPosted: Mon Jan 13, 2014 12:38 pm    Post subject: Reply with quote  Mark this post and the followings unread

Zodiak wrote:
I was thinking of using a cutting disk on a dremel so maybe I need to re-think that.

That's what I do! I tend to hold the pot upside-down whilst doing it, but I suppose some metal dust could still get in. The cutters seem like a better idea, but I don't have any like that (yet). The only downside is that you don't get a nice stream of sparks that way Laughing .

Gary
Back to top
View user's profile Send private message
scriptstyle



Joined: Jan 22, 2008
Posts: 250
Location: nj

PostPosted: Tue Jan 14, 2014 9:18 am    Post subject: Reply with quote  Mark this post and the followings unread

I remember buying extra long alpha pots long ago, i just put the shaft horizontally into the bench vise and hackjob... all dust goes down hold the pot with a plastic bag
Back to top
View user's profile Send private message
Zodiak



Joined: May 20, 2007
Posts: 238
Location: Gillingham, Kent UK

PostPosted: Tue Jan 14, 2014 5:16 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks. I have already had to change the pots once as I was having problems with the Omeg plastic ones, and having just rewired all 29 I don't want to remove them now, so its going to be careful masking with selotape and clingfilm , and then out with the dremel and disk. Confused
My main concern was that I was going to somehow screw the pooch by cutting the shafts to size and that no knob ever made would stay put afterwards.

_________________
Stephen
www.Rainsbury.Net
Back to top
View user's profile Send private message Visit poster's website
diablojoy



Joined: Sep 07, 2008
Posts: 790
Location: melbourne australia
Audio files: 11

PostPosted: Tue Jan 14, 2014 11:15 pm    Post subject: Reply with quote  Mark this post and the followings unread

measure the depth of the hole in the knob and cut the shaft down to that length taken from the end of the threaded bushing.
or another way is to mount the pot on the panel push the knob on then measure from the bottom of the knob to the panel surface and cut that much off minus a millimeter or so to keep it off the panel surface.
by the way i use a hacksaw, a vice and a fine file.

_________________
In an infinite universe one might very well
ask where the hell am I
oh yeah thats right the land of OZ
as good an answer as any
Back to top
View user's profile Send private message
frijitz



Joined: May 04, 2007
Posts: 1709
Location: NM USA
Audio files: 54

PostPosted: Wed Jan 15, 2014 12:16 pm    Post subject: Re: Trimming down Alpha pots Reply with quote  Mark this post and the followings unread

Zodiak wrote:
... was wondering about cutting the shaft down by 5mm so that my existing ones would fit. Shocked
Has anybody tried this and how did it turn out? Confused
Thanks

I just chuck the shaft up in the lathe and use a standard cutoff tool. The swarf is too big to get into the housing.

Ian
Back to top
View user's profile Send private message
AndyR1960



Joined: Feb 16, 2007
Posts: 275
Location: Manchester UK
Audio files: 5

PostPosted: Fri Jan 17, 2014 1:15 am    Post subject: Reply with quote  Mark this post and the followings unread

One word… Dremel.

Can't live without mine Smile

TIP: Before you cut the shaft, mount the pot to a metal panel so it acts as a heatsink. I find that the lube inside the pot melts if it gets to hot when you're cutting (even with a hacksaw). It can end up with a "sloppy" feel otherwise.
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic Moderators: jksuperstar, Scott Stites, Uncle Krunkus
Page 1 of 1 [9 Posts]
View unread posts
View new posts in the last week
Mark the topic unread :: View previous topic :: View next topic
 Forum index » DIY Hardware and Software
Jump to:  

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 vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum
AmbiphonicDSP

Please support our site. If you click through and buy from
our affiliate partners, we earn a small commission.


Forum with support of Syndicator RSS
Powered by phpBB © 2001, 2005 phpBB Group
Copyright © 2003 through 2009 by electro-music.com - Conditions Of Use