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Parts for Bantam Lathe

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Miktre26/09/2011 08:19:15
2 forum posts
Hi guys
Came across `this site while looking for Colchester lathe spares.
Does anyone know where I can get a new cross slide screw and nut for my 1970's Bantam?
Cheers
MIke
Ian Parkin27/09/2011 11:53:19
avatar
995 forum posts
235 photos
Hello Mike
 
I had teh same problem with my colchester student
I bought a length of acme LH thread of the same pitch and diameter and a bronze nut and made one to suit.
I bought it from
http://www.moore-international.com/index.html
Very helfull and reasonable prices

Ian
mgnbuk27/09/2011 13:25:53
1102 forum posts
70 photos
Have you tried Colchester ?
 
Spares
Tel: +44 (0) 1924 412603
Fax: +44 (0) 1924 415008
Email: spares@colchester.co.uk
 
Regards,
 
Nigel B.
blowlamp27/09/2011 13:39:36
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1530 forum posts
98 photos
Posted by Nigel Barraclough on 27/09/2011 13:25:53:
Have you tried Colchester ?
 
Spares
Tel: +44 (0) 1924 412603
Fax: +44 (0) 1924 415008
Email: spares@colchester.co.uk
 
Regards,
 
Nigel B.
 
...And make sure you're sitting down when they tell you the price.
 
This place might also be worth contacting if you get stuck http://www.latheparts.co.uk/
 
 
Martin.
Ian Parkin27/09/2011 13:41:54
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995 forum posts
235 photos
I had assumed you had tried colchester
my parts were in the region of £ 400
the parts from moores were < £100
Tony Brazier27/09/2011 18:01:08
2 forum posts
Hi I have just brought nuts and screws for my Tom Senior x & y axis from Roton in USA £175 delivered. Arrived in 4 days.
 
 
Tony
Miktre28/09/2011 02:46:13
2 forum posts
Thanks for your responses guys. yes, I have tried colchester and several suppliers that must also supply their parts.
416.00 pounds (no VAT) and 65.00 pounds frieght. My jaw fell to the floor.
I can have a precision engineer here custom make a "one off" for less than half that cost.
I am waiting for one more supplier's price from the UK and then will probably get my local guy to make one for me.
I thought an "off the shelf" item might have been a bit cheeper??
Cheers
Mike
 
mgnbuk28/09/2011 19:42:51
1102 forum posts
70 photos
I missed the bit in the original post that said that the OEM had the parts available but that they were too expensive

Machine tool parts are always expensive - industrial machines particularly so. But the manufacturer can still supply the parts you require for your 40ish year old machine & they should go straight in, be made of the originally specified materials & to original tolerances & accuracies. The thread will most like be thread milled or thread rolled & may have been ground & the nut threaded with a special tap that initially roughs the thread undersize then finishes it (think of two taps joined together axially, with the first being a bit undersize & the thread being continuous).

As you say, there are cheaper options. WMH & Raine sell rolled acme screw stock by the metre in various sizes, leads & both hands. Bronze nut blanks to suit also.

Depending on how worn your screw is you could re-cut the thread to remove the wear & make a new nut to suit the re-cut thread - minimal outlay with that route (you could do it on your machine by locking the cross-slide & using the compound suitably positioned) & one used by a machine tool refurbishing company I was seconded to during my apprentice days.

Regards,

Nigel B.

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