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John Button 1	10/10/2020 06:35:19
2 forum posts	What should be the optimal end float for the lead screw please? I have recently bought this lathe with end float measuring 2.7mm/0.106 inches. If this gap requires adjustment any help would be appreciated.
Tony Pratt 1	10/10/2020 08:15:49
2319 forum posts 13 photos	As little as possible without binding,I can't see it being critical but 2.7 mm is a hell of a lot of end float. Tony
Alan Donovan	10/10/2020 08:21:03
81 forum posts 41 photos	Hello 2.7mm end float is far far too much. It should be approaching zero mm and ‘free to rotate’, not clamping the lead screw. I do not know enough about S7s to advise you what to do exactly, but someone else will. It would be useful to know if the machine is fitted with a quick change gearbox, and also provide photos of the bracket / lead screw arrangements at both ends of the lead screw, if that is possible. Best regards. Alan
David George 1	10/10/2020 08:35:38
2110 forum posts 565 photos	Hi John welcome to the forum. Is the actual leadscrew moving or is the saddle moving when engaged. If the leadscrew is not moving but there is that much play in the nut it needs replacing. David
Martin Kyte	10/10/2020 09:25:27
3445 forum posts 62 photos	Posted by David George 1 on 10/10/2020 08:35:38: Hi John welcome to the forum. Is the actual leadscrew moving or is the saddle moving when engaged. If the leadscrew is not moving but there is that much play in the nut it needs replacing. David Or at least adjusting regards Martin
Nick Hughes	10/10/2020 10:27:59
307 forum posts 150 photos	Discussed before here:- LINK

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