Sourcing a small spring

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Sourcing a small spring

This topic has 11 replies, 10 voices, and was last updated 21 January 2016 at 14:32 by Tim Stevens.

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21 January 2016 at 09:27 #221968
John Hinkley
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@johnhinkley26699
I originally buried this request in another thread and not surprisingly got no response, so I'm putting it here, as well.

Work is progressing – slowly – on my automatic boring head, and I'm looking ahead to when I can start putting it together. However, I will need a small compression spring of specific dimensions. Although they are available from the likes of Lee Springs and Flexo, the cost of postage and packing/minimum order charge means I will have to pay in the region of £20 for 5 springs!. I was hoping that somebody can point me in the direction of a supplier who will send me one or two springs for the cost of a first class stamp and envelope. I've tried all the usual suspects but to no avail and an ebay search only throws up generic springs or boxes of assorted ones. The size I need is free length = 15 to 20mm, internal diameter = 4.1 to 4.5mm, solid length = 8.0mm, wire size 0.8 to 1.0mm. Flexo No. BM-1937-2M or Lee spring LC035C04S.

Or, maybe you have something suitable in your workshop that I can have in exchange for some beer tokens?

Thanks,

John
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21 January 2016 at 09:27 #32632
John Hinkley
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@johnhinkley26699
21 January 2016 at 09:36 #221969
Brian H
Participant
@brianh50089
I've had similar problems in the past but a local spring manufacturer ,www.ashfield–springs.com have always been very helpful and supplied the odd spring as a free sample. Might be worth a try.
21 January 2016 at 09:57 #221974
Chris Evans 6
Participant
@chrisevans6
I have had odd springs wound in Brum for the cost of a drink. I am 30 miles away so by the time I've travelled there and back not much saving but worth it to get the right spring.
21 January 2016 at 10:20 #221976
Clive Hartland
Participant
@clivehartland94829
I cannot find those springs in the Flexo cat. nor in the Lee cat. ? I was trying to check the full spec as I may have some. Both web sites say, not found.
21 January 2016 at 11:13 #221983
Circlip
Participant
@circlip
Could always wind one 40mm long and cut it in half.

Regards Ian
21 January 2016 at 11:15 #221984
Bubble
Participant
@bubble
Hello John

Velocette clutch springs are 4.5 id, 1.1 wire diameter, 30 long

can be shortened and will give your solid length as 8 turns are 20 mm free length

Obtainable from Grove Classic Motorcycles (no connection) at 50p each plus postage

Their reference is C12/4 (Venom,Viper, Mac etc)

Jim
21 January 2016 at 11:17 #221985
peak4
Participant
@peak4
Just been having a look through my boxes of springs, and didn't find anything suitable. However, I did spot a windscreen wiper arm tension spring about the correct size.

How about a trip to your local car spares for one, and then stretch it suitably so make it a compression spring?
21 January 2016 at 11:49 #221989
Dave Daniels
Participant
@davedaniels93256
If you download the 'Polly' catalogue, there is a list of stainless spring stock in 12" lengths on P58 (?)

**LINK**

Maybe something there suitable ?

D.
21 January 2016 at 12:38 #221995
Nigel Bennett
Participant
@nigelbennett69913
I'm typing this one-handed. The other one contains four springs, Lee LC-035C-04-S. If you will email me at Nigel at PK dot co (and another dot) uk, with your address, I'll put 'em in an envelope for you!

Nigel
21 January 2016 at 13:14 #221999
John Hinkley
Participant
@johnhinkley26699
Thank you all for your replies and leads. I'll file them away for future reference.

Nigel – you're a star! I'll email you with my address.

Regards to all,

John
21 January 2016 at 14:32 #222005
Tim Stevens
Participant
@timstevens64731
Well done – so quickly that my offer to send him some wire to wind his own would be too late …

Regards, Tim
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