09-04-2016, 07:30 PM
I made some progress over the weekend in cleaning up the apron but I haven't had time to get the pictures off of my camera, so I'll do that tomorrow (hopefully).
Yesterday, before I finished up in the shop, I decided to check off all the threading and feed settings on the gearbox. So, I grabbed the input shaft and turned it, and nothing happened. So I look inside and I can see the shaft and a single tooth that is parallel to the shaft but it is too far away from what I can see to be the mating component. So I check the drawing and can see that it is a clutch. I then spent the best part of 30 minutes trying to figure out how it works.
Finally the penny dropped and I realised that this is the single tooth dog clutch that is used when threading. When reading the manual, it gave the impression that this only applies to threading, so it never occurred to me that it actually controls the input into the gearbox (i.e. it sets the direction of the feed). I'm pretty sure that I had this in neutral when I checked the lathe out when I got it here, which is why I suddenly lost all drive and assumed that something had come loose in transit. I'm glad that I pulled the gearbox off, as it is much easier to see how it all works, as the drawings are split into three, each showing certain shafts. Much easier to them all together.
Yesterday, before I finished up in the shop, I decided to check off all the threading and feed settings on the gearbox. So, I grabbed the input shaft and turned it, and nothing happened. So I look inside and I can see the shaft and a single tooth that is parallel to the shaft but it is too far away from what I can see to be the mating component. So I check the drawing and can see that it is a clutch. I then spent the best part of 30 minutes trying to figure out how it works.
Finally the penny dropped and I realised that this is the single tooth dog clutch that is used when threading. When reading the manual, it gave the impression that this only applies to threading, so it never occurred to me that it actually controls the input into the gearbox (i.e. it sets the direction of the feed). I'm pretty sure that I had this in neutral when I checked the lathe out when I got it here, which is why I suddenly lost all drive and assumed that something had come loose in transit. I'm glad that I pulled the gearbox off, as it is much easier to see how it all works, as the drawings are split into three, each showing certain shafts. Much easier to them all together.
Hunting American dentists since 2015.