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| Fergus OMore:
I'm glad to learn of success of others. Both my ML7( long gone) and my present S7B suffered this problem. As I said, a chuck coming off the register and then the thread- and beginning to tip onto the lathe bed. I'm not very enthusiastic. |
| doubleboost:
If I tighten a chuck on it will not come loose unless you do something stupid with it John |
| Ginger Nut:
I have two wood lathe one mini one standard only when I have had a large item on them and stopped them suddenly has the chuck started to spin off. These can be locked on with a grub screw or lock plate. I doubt the ML7 would ever run at speeds to have the chuck come off as others have said, tests runs with an empty chuck hasn't budged it yet. |
| Fergus OMore:
I'm sorry to have posted. This, I believed is a hobby, in which one shares one's experiences. If there is a problem in accepting my experiences, it is not important to me. So let's delete it? |
| PekkaNF:
Actually I believe on certain lathe/motor combinations this can be a problem. I imagine heavy chuck and electric or mechanical brake or high gear ratio. Then again normal three jaw chuck with small piece and inverter drive with decent ramps probably will give no problems. This circuit seemed to have a no-voltage-release, that should make things safer. I never had Dewhurst switch but I have read some people touching it inadvertedly (usually walk-by or reaching something over the lathe). If very old and filled with debris then it's as much problem as any other switch. What makes it "electrically unsafe"? Pekka |
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