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  #11  
Old 02-01-2009, 01:41 AM
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From what I've read, the British, seem to be fond of parting tools mounted on the back of the cross slide. The blade is mounted upside down and the chips are pushed down, out of the cut, while the lathe is running forward, as usual.
I wonder, if that would work on this lathe?

Of course, the compound still needs beefing up.


Dave
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  #12  
Old 02-01-2009, 08:01 AM
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I think I read some where that "parting is such sweet sorrow".
Using the parting tool is my least desirable lathe task, right next to knurling.
I bet that was a drawers changing experience. I'm glad he wasn't injured.
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  #13  
Old 02-01-2009, 08:19 AM
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This is the third friggin time I have tried to post this. Keeps disappearing before I finish...

The main problem is the original hold down bolts were too puny to do an adequate job. I will fit two T nuts to grab all the meat available and cover a longer area. Also will fab a support for the front of the compound to take up most of the force. That should work.

One other thing. We removed the saddle from the apron and saw another horror story. When the apron is filled to the right level in the sight glass it does't reach any gears. They were as dry as a March wind in Lubbock..I told Dave to fill the damn thing up til it runs out of the highest point and make a dipstick marking about an inch lower. Its slinging oil now. Things sound better and engage smoother. The headstock gears will get the same diet..

I would recommend anyone with a chinee lathe to investigate.
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  #14  
Old 02-01-2009, 08:37 AM
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When I got my used "Rotger lathe" The sight glass on the headstock was clouded. I took the top cover off to inspect the condition, when I changed the oil. The middle of the sight glass is the appropriate height for the oil level on mine.
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  #15  
Old 02-01-2009, 10:46 AM
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Quote:
Originally Posted by Fla Jim View Post
When I got my used "Rotger lathe" The sight glass on the headstock was clouded. I took the top cover off to inspect the condition, when I changed the oil. The middle of the sight glass is the appropriate height for the oil level on mine.


Well the middle of the sight glass on the 4003 apron is 3/8 inch below the lowest gear..
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  #16  
Old 02-01-2009, 11:29 AM
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Quote:
Originally Posted by moe1942 View Post
Jack, Grizzly is shipping out a new cross slide. Took it off another lathe. No questions asked. I told him to sen the pics I took so they would know why.. All the damage was confined to the cross slide.
I wonder if it was "no questions asked" because they have seen it a lot before?
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  #17  
Old 02-01-2009, 12:08 PM
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Quote:
Originally Posted by SlimJim View Post
I wonder if it was "no questions asked" because they have seen it a lot before?

I said the same thing slim..


I wiil say the center area especially where it's thin is not meant for stress, it just provides a swivel for the compound. All the stress is really handled by the undercut in the cross slide. After looking it over good I believe the root cause of the failure is sloppy hold down studs. This same lathe has been around many years with good performance. Like most imports they need tweaking. Best before failure though.
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  #18  
Old 02-01-2009, 05:26 PM
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I hate to see that stuff happen. A guy had a similar problem on the HSM board and he built a new piece. The one he built looked much better in cross section than the stock one. I was considering a similar lathe and then I found my 14C Monarch 16X54 with every attachment known, paid about 1K more for the Monarch.

Jay
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  #19  
Old 02-01-2009, 08:53 PM
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Quote:
Originally Posted by OLD MAN View Post
Moe, from the photos the cast looks kind of porus or low quality. I have been looking at one of those. I might better off with an old South Bend. I have no experience and there will be mistakes. You rated it highly, do you still feel that way. Is there a way to beef up the replacment part? The good thing is Grizzly will have the part and will get it to you quick. Was everything else ok. I hope he wasn't hurt.
I have been thinking of removing my compound feed and replacing it with a post or plinth. On a friends Emco he did that, but of course the thing has Tee slots the full length of the cross slide.
It seems to give a lot more rigid support that way and putting the compound back on is easy when you need it for threading.
When doing jobs that really need to max out the lathe capabilities, it seems it would be stronger
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  #20  
Old 02-01-2009, 09:29 PM
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Quote:
Originally Posted by Ironman View Post
I have been thinking of removing my compound feed and replacing it with a post or plinth. On a friends Emco he did that, but of course the thing has Tee slots the full length of the cross slide.
It seems to give a lot more rigid support that way and putting the compound back on is easy when you need it for threading.
When doing jobs that really need to max out the lathe capabilities, it seems it would be stronger
I bought a rough casting kit to make a new cross slide top for my 12" x 54" Atlas lathe, the original casting on the Atlas is a weak point, and this more than doubles the thickness of the cross slide. It also gives 6 t-nut slot across the whole length of the slide top. The also sell kits for the upside down parting tool cutters and as well as other stuff. the link to the company is www.sc-c.com/metallathe

jack
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