Munkul
Jack of some trades, Master of none
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Do you use a clamp ring to hold the jaws in tension, or do you just let fly and allow the cutting pressure do the work? Just interested...
- Thread starter God mode restorations
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Hood
I am obsessed.
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It is always best practice to grip in the direction you will be gripping the part when boring out soft jaws. For this one I just put an m12 nut in and clamped the jaws onto it and bored them to size.
Munkul
Jack of some trades, Master of none
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That's what i understand too, I just wondered... what do you do for turning them externally?
Hood
I am obsessed.
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Grip a ring.
I did make up a setter years ago but used it on the CNC and it crushed it
it was only mild steel.
MattF
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Hood
I am obsessed.
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I was and was waiting for the response and I must admit it was a disappointmentI'm sure you just keep doing this to tempt a response.
MattF
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I was and was waiting for the response and I must admit it was a disappointment
I'm *trying* to be good. There's a first time for everything, I suppose. What's the exact purpose of the grooves, btw?
The_Yellow_Ardvark
https://www.death-clock.org/
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No disputing that.
Hood
I am obsessed.
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The chuck is not a normal scroll chuck and you can slide the jaws to the diameter you want then turning the key moves them in a bit, maybe 10mm on dia, not sure.
What's the exact purpose of the grooves, btw?
So to set the jaws you either measure the depth of the jaws from the OD of the chuck, count the teeth sticking out or with the rings I can see at a glance if all are at the same point.
Here is a video showing how you adjust the jaws.
Hood
I am obsessed.
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Had the hydraulic version for my CNC, loved it so kept looking at eBay until a manual version turned up at the right price.
My Old Landy
Engineering Mayhem
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....... my lathe inoperable
I was happily testing the travel on my compound slide and I heard a strange noise and the chuck stopped and the belt came out of the convenient hole in the lathe stand
as you can see, the belt is fine but the staples and pin are no more. I don't have any to fix it with so I am off to the bay to try and locate some!
I was happily testing the travel on my compound slide and I heard a strange noise and the chuck stopped and the belt came out of the convenient hole in the lathe stand
as you can see, the belt is fine but the staples and pin are no more. I don't have any to fix it with so I am off to the bay to try and locate some!
![IMG_20210528_134344457[1].jpg](https://www.mig-welding.co.uk/forum/data/attachments/288/288814-12aebf622ad37be93d4076c6571618d8.jpg?hash=Eq6_YirTe- "IMG_20210528_134344457[1].jpg")
The_Yellow_Ardvark
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Ahhhhh, for me, thank you.
Pop on down here, I will put the kettle on and eat some with you.
Agroshield
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Pull out all the metal work and lace it up with a leather thong from your weekend wardrobe.
My Old Landy
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Rather do it properly, besides I think you borrowed it all last time
Dr.Al
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Made some gears:
Then had the fun of hand filing the keyway in one of the steel ones. The plastic ones were easier (although I overshot on one and hence it now has two keyways!). The steel one with the smaller hole (one is a spare) I haven't decided how it'll be held to the shaft, so that one will be dealt with later. A couple of the teeth on the acetal gears look a bit rubbish, but I think they'll be fine and I can easily make more if needed. I haven't got a lot of spare acetal sheet, so I'd rather not remake unless I have to.
The finish on the face of the one with the 12 mm hole is rubbish because I was too lazy to change tool and face after parting the previous one off! I've never mastered getting a good finish off a parting tool.
This is the first time I've cut gears out of steel (I've made them out of acetal and aluminium before) and I was quite nervous, but it went very smoothly. Probably helped that it was EN1A.
Then had the fun of hand filing the keyway in one of the steel ones. The plastic ones were easier (although I overshot on one and hence it now has two keyways!). The steel one with the smaller hole (one is a spare) I haven't decided how it'll be held to the shaft, so that one will be dealt with later. A couple of the teeth on the acetal gears look a bit rubbish, but I think they'll be fine and I can easily make more if needed. I haven't got a lot of spare acetal sheet, so I'd rather not remake unless I have to.
The finish on the face of the one with the 12 mm hole is rubbish because I was too lazy to change tool and face after parting the previous one off! I've never mastered getting a good finish off a parting tool.
This is the first time I've cut gears out of steel (I've made them out of acetal and aluminium before) and I was quite nervous, but it went very smoothly. Probably helped that it was EN1A.
