Denford Software & Machines

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 Post subject: Viceroy metric lathe ex school)
PostPosted: Wed 04 Oct , 2017 13:53 pm 
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Joined: Wed 04 Oct , 2017 13:43 pm
Posts: 1 Hardware/Software: Viceroy metric metalworking lathe
Please can anyone assist?
I have obtained an ex school Viceroy lathe. model TDS 1/1G/S/L serial number 21560
There is a lot of play (backlash) on the cross slide due to wear on the nut.
Please has anyone or does anyone know where I can obtain a spare or have a new nut made?
The lathe is in quite good order except for this and I wish to use it to for model engineering. Many thanks


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 Post subject: Re: Viceroy metric lathe ex school)
PostPosted: Wed 04 Oct , 2017 22:03 pm 
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Joined: Tue 29 Apr , 2014 18:38 pm
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There was a guy on eBay who was making nuts for various lathes.

Pete


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 Post subject: Re: Viceroy metric lathe ex school)
PostPosted: Thu 05 Oct , 2017 18:15 pm 
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CNC Expert
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Joined: Wed 07 Jan , 2009 9:46 am
Posts: 250
Location: Kent, U.K.
The cross slide screw is 1/2" diameter 2.5mm pitch LH modified square section thread which means that it is almost square with just 5 degrees flank angle each side. You'd have to either grind a tool to turn a nut or make a tap to suit.
Another option is to make a nut from delrin, following the instructions here:

viewtopic.php?f=50&t=3727


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