|
The cross slide is a large and heavy item and clearly not part of the original lathe - its just too big. however it is a solid piece of work and probably worth saving. The poor quality picture below shows its original configuration - complete with tool holder.
The cross slide was easy enough to remove and certainly needed a thorough clean. The cross slide was attached to the saddle by 4 very mismatched screws - but the holes in the saddle seem to be tapped 2BA. I hope to replace these screws and maybe I’ll retap them M5 which is only fractionally larger than 2BA - but much easier to find screws for nowadays.
The centre screw is a right hand thread just like the Wizard lathe - but unfortunately due to the way its constructed the handle moves the other way to get the slide to advance. The centre screw looks to be a good quality ACME or square thread type but is so badly worn it will need replacing. I’d like to use 1/2” x 20 tpi UNF threaded rod. This would give the same rate of feed as the one on the Wizard lathe but with a more heavy duty rod. However I’ll probably have a go using M8 threaded rod as although 8mm is somewhat less than 1/2” - the thread pitch is similar at 20.32tpi
Initially I just cleaned, lubricated and remounted the cross slide - but now I’ve completely stripped it down to replace the centre screw. I may also add a pair of gear wheels to change the direction of motion on the handle to make it the same as the Wizard lathe.
Sorting this out is a high priority in the restoration of this lathe. I have found some suitable 8mm studding for the screw and am using the Wizard lathe to turn up the various spacers to allow this to work in the cross slide frame.
|
