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New Clausing 6913 - Gear box engagement lever fixed!!!!

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Dhector

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#1
Hello. I'm new to the forum and new to lathes. Bought an atlas 3950( and everything I could find for it) and have been having a blast with it!!! I just purchased a clausing 6913 for 400.00. They wanted 300.00 but I figured it was worth more than that so I gave a little extra to them. "They wanted it to go to a good home and put a few bucks in the trust fund" A friend of mine passed away and it was his. I have very little experience with lathes and have some questions on it. I need a few more posts to put pictures out there so if I spam this thread a little bit I apologize in advance. I cant even plug it in yet, need to get my electrician over here to see what we have. Any pro's and cons you guys know of with this lathe? Once I get enough posts Ill put some pics out and see what you guys can tell me. Thank you.
 

Dhector

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#2
How do you upload pictures?
 

wa5cab

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#3
DHector,

Write your reply in the field at the bottom of the thread, down to the point where you want a photo. Position the cursor where you want the first photo to appear, and click UPLOAD A FILE. Navigate (on your local machine) to the file and double click it. Repeat if necessary. Before you click the REPLY TO THREAD button to save your post, click on either the THUMBNAIL or the FULL SIZE buttons. Generally, use the THUMBNAIL choice if you have several photos or FULL SIZE for one or two. But there is no hard and fast rule.

After you have saved your message, you have AFAIK 24 hours during which you can edit it.
 

Dhector

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#4
IMG_20170426_133552559.jpg attempt number 1 IMG_20170426_133552559.jpg
 
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Dhector

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#5
IMG_20170427_080132592.jpg IMG_20170427_080140093.jpg Not sure what these are or do. Any ideas? Good setup? Bad setup?
 

Dhector

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#6
IMG_20170427_080153170.jpg IMG_20170427_085818021_HDR.jpg Good chuck?
 

woodchucker

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#7
Thats a variable frequency drive I believe, so you can dial in any speed you want.
I see a taper attachment... You got a good machine.
Tear it down and rebuild it to learn how it works and clean it up.
 

Dhector

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#8
IMG_20170427_085826665.jpg Not sure on what these are? Do they belong to this machine? Missing parts?
 

woodchucker

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#9
you should have 3 more jaws with that chuck.. it's a six jaw, and yes it's a good chuck
 

Dhector

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#10
Power crossfeed maybe.jpg
 

woodchucker

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#11
View attachment 232287 Not sure on what these are? Do they belong to this machine? Missing parts?
yes that's a draw bar w/quick change for the collets. The switch is the old switch before the variable freq drive. #1 is for the collets, #2 looks like either the other 3 jaws for the chuck, or soft jaws.
 

Dhector

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#12
this lever is loose on the shaft. Why.jpg
 

JimDawson

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#14
You bought a nice lathe there and got a screaming deal on it. Just that 6 jaw chuck is worth more that you paid for everything. Lots of useful tooling, stuff you don't normally see. :encourage:
 

wa5cab

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#15
View attachment 232287 Not sure on what these are? Do they belong to this machine? Missing parts?
#1 and the lower item in #8 look like collet closers or adapters. The upper item in #8 might be a thread protector. If it will screw onto the right end of the spindle, that's probably what it is. The long tube (no number) right-center of the photo with the lever attached is a lever-type collet closer. Worth about half of what you paid for the whole lot. It inserts into the spindle from the left end and screws onto the left end of the spindle. A collet closer or adapter would be inserted firmly into the spindle taper (after screwing on the thread protector). A collet would be inserted into the closer with the longitudinal slot in the collet aligned with the short pin inside the closer. You twist something on the left end of the attachment to screw the tube onto the collet. When properly adjusted (tube screwed onto collet the proper amount, you slide a workpiece into the collet and move the lever to draw the collet closed on the workpiece. Moving the lever in the other direction releases the collet from the workpiece.

#5 is a single diameter (they are also made to cover a range of diameters) Pin Spanner. Used to turn, tighten or loosen something round with a hole in its OD for the pin.
 
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woodchucker

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#16
BTW you get a BIG YOU SUCK ..
Great deal
 

Dhector

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#17
Sweet, thank you. Is there a manual out there for tear down and rebuild or just use the owners manual(had clausing email one to me yesterday, just haven't read through it completely.) Also that is everything that came with it. I don't have any collets. What kind of oil goes in the gear boxes or is all that stated in the op manual? Thanks for all the help.
 

Dhector

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#19
#1 and the lower item in #8 look like collet closers or adapters. The upper item in #8 might be a thread protector. If it will screw onto the right end of the spindle, that's probably what it is. The long tube (no number) right-center of the photo with the lever attached is a lever-type collet closer. Worth about half of what you paid for the whole lot. It inserts into the spindle from the left end and screws onto the left end of the spindle. A collet closer or adapter would be inserted firmly into the spindle taper (after screwing on the thread protector). A collet would be inserted into the closer with the longitudinal slot in the collet aligned with the short pin inside the closer. You twist something on the left end of the attachment to screw the tube onto the collet. When properly adjusted (tube screwed onto collet the proper amount, you slide a workpiece into the collet and move the lever to draw the collet closed on the workpiece. Moving the lever in the other direction releases the collet from the workpiece.

#5 is a single diameter (they are also made to cover a range of diameters) Pin Spanner. Used to turn, tighten or loosen something round with a hole in its OD for the pin.
I figured 5 was just a spanner but I didn't see anywhere that it looked like it would fit. When this whole estate took place there was also a mill(I never saw it though) and wasn't sure if some of the tools went with it possibly. Who knows, the guy that got the mill may have parts for the lathe too. Not sure. This thing is way out of my league but I'll figure it out. I appreciate all the help on this, I really do.
 

woodchucker

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#20
I'm pretty sure the spanner is for the nose protector.
is this spindle a cam type of lathe, or is the chuck threaded on
 

Dhector

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#21
I'm pretty sure the spanner is for the nose protector.
is this spindle a cam type of lathe, or is the chuck threaded on
Not a clue. Will have to look after lunch. Will try to figure it out later.
 

wa5cab

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#22
We have a PDF of a 6900 Series manual in Downloads. It covers installation, operation and parts. When you get time, please compare it to what Clausing sent you, including what the first and last pages are. The one that we have is not quite complete. Whomever scanned it did not include the front cover, And ends abruptly at page 38. According to the TOC, some Tables followed the Accessories section.

As a general statement, none of the machine manufacturers whose manuals I have seen were very good about writing detailed instructions for disassembly or assembly. Atlas (after they had bought Clausing) did do a few of what they called Technical Bulletins on the Atlas machines. Perhaps they did some for the Clausing badged machines as well.

As far as collets go, first thing that you need to do (and should do even if you never decide to buy any collets) is to determine what size collets your Collet Attachment fits. One way to start doing this is to determine what the thread in the ID of the draw tube is (major diameter and threads per inch). Then in a table of collet dimensions, find the collet or collets that use that thread. Then confirm by measuring the ID and nose angle of the collet adapter that fits in your spindle nose.
 

scwhite

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#23
Hello. I'm new to the forum and new to lathes. Bought an atlas 3950( and everything I could find for it) and have been having a blast with it!!! I just purchased a clausing 6913 for 400.00. They wanted 300.00 but I figured it was worth more than that so I gave a little extra to them. "They wanted it to go to a good home and put a few bucks in the trust fund" A friend of mine passed away and it was his. I have very little experience with lathes and have some questions on it. I need a few more posts to put pictures out there so if I spam this thread a little bit I apologize in advance. I cant even plug it in yet, need to get my electrician over here to see what we have. Any pro's and cons you guys know of with this lathe? Once I get enough posts Ill put some pics out and see what you guys can tell me. Thank you.
I like that lathe I have been looking for one just like it
I have found a few .
It should be a 14" swing 48" center to center
I like the taper attachment you have on it to
Most of them you find don't have the taper attachment .
A three phase motor is good to
Is yours it three phase
 

scwhite

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#24
Hello. I'm new to the forum and new to lathes. Bought an atlas 3950( and everything I could find for it) and have been having a blast with it!!! I just purchased a clausing 6913 for 400.00. They wanted 300.00 but I figured it was worth more than that so I gave a little extra to them. "They wanted it to go to a good home and put a few bucks in the trust fund" A friend of mine passed away and it was his. I have very little experience with lathes and have some questions on it. I need a few more posts to put pictures out there so if I spam this thread a little bit I apologize in advance. I cant even plug it in yet, need to get my electrician over here to see what we have. Any pro's and cons you guys know of with this lathe? Once I get enough posts Ill put some pics out and see what you guys can tell me. Thank you.
Welcome to the Hobby Machinist
I am new to
 

Dhector

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#25
I found where the spindle wrench goes- It fits the "Face Plate Nut" Not sure if its left or right hand thread on the nut. Cant tell.

I'm not sure if its a threaded or tapered spindle yet(thinking if I got the face plate nut loose I could get the chuck off and figure that out) I did however look at the 2 jaw chuck(what are they used for? Something special? Seen 3 or more jaw chucks, but never a two) and it is tapered with a keyway in it so I assume the spindle is tapered. The 2 jaw has right hand male threads on it.

The manual I have is identical to the manual in the download section except for one page showing the base is in mine twice instead of just once in your manual. Collets I will look into later. No need for them that I'm aware for me right now but would like to know what they are. I would be happy to email the manual I have if you want. Send me your address in a PM.

The motor is 3 phase(at least that what it says on the plate, I'm a mechanic, not an electrician so if I'm lying its certainly not intentional:) )
I believe it is a 14 x 48. I just got it unloaded last night and work is in the way of doing anything with it so I'm sure there will be more questions later. LOTS of cleaning to do on it.
Will put a pic up of specs on electrical box shortly.
 

Dhector

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#26
phase converter box.jpg phase converter????
 

scwhite

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#27
I found where the spindle wrench goes- It fits the "Face Plate Nut" Not sure if its left or right hand thread on the nut. Cant tell.

I'm not sure if its a threaded or tapered spindle yet(thinking if I got the face plate nut loose I could get the chuck off and figure that out) I did however look at the 2 jaw chuck(what are they you used for? Something special? Seen 3 or more jaw chucks, but never a two) and it is tapered with a keyway in it so I assume the spindle is tapered. The 2 jaw has right hand male threads on it.

The manual I have is identical to the manual in the download section except for one page showing the base is in mine twice instead of just once in your manual. Collets I will look into later. No need for them that I'm aware for me right now but would like to know what they are. I would be happy to email the manual I have if you want. Send me your address in a PM.

The motor is 3 phase(at least that what it says on the plate, I'm a mechanic, not an electrician so if I'm lying its certainly not intentional:) )
I believe it is a 14 x 48. I just got it unloaded last night and work is in the way of doing anything with it so I'm sure there will be more questions later. LOTS of cleaning to do on it.
Will put a pic up of specs on electrical box shortly.
I think you have the L-OO taper on that chuck
That big spanner wrench should fit the nut on your
Head stock spindle
 

scwhite

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#28
I figured I got a great deal and was waiting for that reply!!! :)
You got the best deal I have ever seen next to
Free or a you can have it if you just come and get it
 

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#29
Since nobody answered #6 yet. It’s the slave cylinder with hydraulic hose for the vari drive. And #3 is the hand wheel that goes onto the back end of the head stock spindle. In post #12 you have your hand on the spindle clutch. Up is to engage the spindle, in the middle is neutral and down is for brake. And a note on that handle; that lathe handle has a history of being finicky and not staying in the up position! You might need to repair and or adjust it. Same note on the vari drive sleeve set-up. AND YOU GOT A SCREAMING DEAL, YOU SUCK!
 
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Dhector

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#30
You got the best deal I have ever seen next to
Free or a you can have it if you just come and get it
I knew it was a good deal but, I'm starting to think its better than I imagined. No clue what they are worth to be honest. I know its more than I gave them though. One thing about it though is the guy that passed and owned it, wanted it to go to a good home. My thoughts, kind of like giving your favorite dog to somebody, only certain people are worthy of it. He was a VERY picky perfectionist(all meant in a good way) I have big shoes to fill for his standards but I'm going to do my best to make him proud. I cant even run it yet but its already a member of the family. :) That's part of the reason I want help from here. The 3950 I bought was used before it even had its own designated spot. This new one I'm actually kind of nervous turning it on!(not that I can anyway, no 220 yet in the shop, still waiting for my electrician buddy to stop by and see what I need to do) If I do something, like have a setting wrong, this thing looks like it will shred things up. The 3950 would slip a belt in the same case and a lot less dangerous.

The electrical add on's are a concern to me. I was told the original owner had some issues with it. Just knowing the original owner, if .005 was within spec, he'd want it at .0005. So I'm thinking if the electrical boxes make it work with single phase correctly, it may be fine for me, but wasn't close enough for him(hope that makes sense) The guy literally used to work for Martin Marietta and built parts for the space shuttle. I think the word precise was not a strong enough word for him :)
 
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