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 Re: What is the best way to adjust needle spring tension
Author: Chris P 
Date:   2019-06-24 10:36

Needle springs on oboes and clarinets are usually from between 0.3mm to 1.0mm thick, so the appropriate diameter drill bit is used for each size spring.

I put a nick in the pillar with a saw or file where I want to start drilling it, then centre punch the nick where you want to start drilling the spring hole from. Then add a drop of cutting fluid and carefully drill through the pillar.

Expect to break some drill bits in the process if you're new to it and make sure your drill bits are sharp - the smallest diameter ones are typically far more prone to breaking. Don't expect to drill through in one go - back the pillar off a bit from the drill, then resume drilling (with the drill still spinning the whole time) almost in a pulsing or reciprocating motion with enough pressure to cut into the pillar but not too much that will bow or break the drill.

It's my least favourite thing to do.

Former oboe finisher
Howarth of London
1998 - 2010
The opinions I express are my own.
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 Topics Author  Date
 What is the best way to adjust needle spring tension  new
m1964 2019-06-21 18:23 
 Re: What is the best way to adjust needle spring tension  new
Ken Lagace 2019-06-21 18:31 
 Re: What is the best way to adjust needle spring tension  new
Paul Aviles 2019-06-21 19:58 
 Re: What is the best way to adjust needle spring tension  new
dorjepismo 2019-06-21 21:30 
 Re: What is the best way to adjust needle spring tension  new
Paul Aviles 2019-06-21 22:10 
 Re: What is the best way to adjust needle spring tension  new
Chris P 2019-06-21 23:38 
 Re: What is the best way to adjust needle spring tension  new
Chris P 2019-06-21 23:42 
 Re: What is the best way to adjust needle spring tension  new
Paul Aviles 2019-06-22 01:03 
 Re: What is the best way to adjust needle spring tension  new
Chris P 2019-06-22 02:25 
 Re: What is the best way to adjust needle spring tension  new
Paul Aviles 2019-06-22 04:15 
 Re: What is the best way to adjust needle spring tension  new
Chris P 2019-06-22 13:32 
 Re: What is the best way to adjust needle spring tension  new
Ed Palanker 2019-06-22 17:19 
 Re: What is the best way to adjust needle spring tension  new
dorjepismo 2019-06-22 20:12 
 Re: What is the best way to adjust needle spring tension  new
Chris P 2019-06-23 01:44 
 Re: What is the best way to adjust needle spring tension  new
clarnibass 2019-06-23 09:12 
 Re: What is the best way to adjust needle spring tension  new
Tony F 2019-06-23 20:06 
 Re: What is the best way to adjust needle spring tension  new
kdk 2019-06-23 21:15 
 Re: What is the best way to adjust needle spring tension  new
Chris P 2019-06-24 10:36 
 Re: What is the best way to adjust needle spring tension  new
Steven Ocone 2019-06-25 03:00 
 Re: What is the best way to adjust needle spring tension  new
clarnibass 2019-06-25 20:35 
 Re: What is the best way to adjust needle spring tension  new
Steven Ocone 2019-06-26 00:51 
 Re: What is the best way to adjust needle spring tension  new
m1964 2019-06-26 05:14 
 Re: What is the best way to adjust needle spring tension  new
clarnibass 2019-06-26 08:01 
 Re: What is the best way to adjust needle spring tension  new
clarnibass 2019-06-26 08:07 
 Re: What is the best way to adjust needle spring tension  new
Chris P 2019-06-26 10:57 
 Re: What is the best way to adjust needle spring tension  new
m1964 2019-06-26 17:54 
 Re: What is the best way to adjust needle spring tension  new
Paul Aviles 2019-06-26 19:43 
 Re: What is the best way to adjust needle spring tension  new
m1964 2019-06-27 05:24 
 Re: What is the best way to adjust needle spring tension  new
Chris P 2019-06-27 11:02 
 Re: What is the best way to adjust needle spring tension  new
Tony F 2019-06-27 13:13 
 Re: What is the best way to adjust needle spring tension  new
m1964 2019-07-02 03:24 


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