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| Chinese CZ300A Lathe - How do I ?? question |
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| 75Plus:
Deek, The quick change set up is a different but I believe you will find that all the carriage and apron parts are the same on this Grizzly lathe. The manual can be downloaded and I believe parts can be ordered from Grizzly. http://www.grizzly.com/products/12-x-36-Gear-Head-Cam-Lock-Spindle-Gap-Bed-Lathe/G4003 Joe |
| Pete49:
As Joe says go and look on the grizzly site. My chinese lathe (new) came with a basic (very) manual but the Griz one is very informative and probably the only difference is theirs are imperial thread as opposed to my metric version but the change gears are the same for both machines. Once cleaned up and adjusted they are not much different to the older non chinese lathes and can hold accuracy as well as the old hercus lathes Pete |
| Deek:
Guys, thanks very much for all your suggestions. I will follow up on the info given. Cheers Deek |
| Miner:
Deek, Due to a variety of reasons, and most would involve part tollerence's and interchangeability. You quite likely wont find a direct replacement rack and/or pinion that will drop in and use the same screw holes as your current one does while still having the correct mesh. So I'd almost bet you'll end up off setting the rack and drilling and tapping new mounting holes at the correct locations anyway. There's more than a few gear suppliers around that offer various rack and pinion combinations. So that's another route you could go. You can set the mesh you want or need by using something as simple as plain paper. Everything from .001 thick cigarette hand rolling papers to typing paper or even thicker. The paper gets squeezed between the pinion mounted in the lathe at the operating position and the rack to set the clearance or lash, then clamp your rack in place, move to the other end and do the same, then use the rack mounting holes as a drill jig. Obviously the holes need to be drilled and tapped very accurately. And especially so if they use the common counter sunk vee type screw head. For a real good example of that part tollerance or interchangeability. You could have a look at Rob Wilson's thread on this forum about what he's found on his 626 mill while CNCing it. Pete |
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