hughie
26th April 2006, 01:34 PM
Hi,
I have been having an annoying problem with headstock wobbling. Which is the result of p.poor Eng. work. I know, I know. I shoulda bought a local built lathe, but Parliament was closed for the summer:D :D
So came up with this idea and it seems to work just fine. I drilled and tapped the the bed to accept 4 3/8x1 1/2 whit grub screws. The small additional holes are the result of porous casting and having to move the holes around - note the broken drill. The third hole [5/16"] is just in case I needed to grip the sliding block. I don't think in hindsight that its necessary.I used this size cos I had em on hand but 5/16 or m8 would do, even set screws or bolts will do fine.
These are to catch the two lugs on the headstock and lock them in one position. To line up the headstock, all you need to do is put a centre in it and bring the tail stock to it, easy.
I don't do much of any spindle work, so moving the headstock up and down is not an issue. If I have to, I have marked the bed for ease of relocation.
The blank is about 15kgs of green Camphor Laurel and out of balance. It spun the blank with no wobble at about1500 RPM. This would have been death wish stuff prior to this little mod.
We won't talk about the flexible stand..... :eek:
hughie
I have been having an annoying problem with headstock wobbling. Which is the result of p.poor Eng. work. I know, I know. I shoulda bought a local built lathe, but Parliament was closed for the summer:D :D
So came up with this idea and it seems to work just fine. I drilled and tapped the the bed to accept 4 3/8x1 1/2 whit grub screws. The small additional holes are the result of porous casting and having to move the holes around - note the broken drill. The third hole [5/16"] is just in case I needed to grip the sliding block. I don't think in hindsight that its necessary.I used this size cos I had em on hand but 5/16 or m8 would do, even set screws or bolts will do fine.
These are to catch the two lugs on the headstock and lock them in one position. To line up the headstock, all you need to do is put a centre in it and bring the tail stock to it, easy.
I don't do much of any spindle work, so moving the headstock up and down is not an issue. If I have to, I have marked the bed for ease of relocation.
The blank is about 15kgs of green Camphor Laurel and out of balance. It spun the blank with no wobble at about1500 RPM. This would have been death wish stuff prior to this little mod.
We won't talk about the flexible stand..... :eek:
hughie