Camlock spindle

Camlock spindle

This topic has 4 replies, 4 voices, and was last updated 2 January 2021 at 09:54 by DC31k.

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2 January 2021 at 04:37 #516894
Gary Smith 15
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@garysmith15
Hi all

I've just got a new to me lathe and it has a d1-3 camlock spindle , it came with 2 chucks which were very stiff so I've stripped and cleaned the 3 jaw which is now much smoother. On the spindle nose there is the 3 cams for tightening the chuck and 3 grub screws. Are the grub screws just for holding the cams in place or are they used for locking the cams once tight ? The grub screws are quite loose how tight should they be?

Gary
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2 January 2021 at 04:37 #10608
Gary Smith 15
Participant
@garysmith15
2 January 2021 at 08:01 #516901
John Rutzen
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@johnrutzen76569
The grub screws just hold the cams in place. You tighten the cams by rotating them clockwise with the key, they don't need locking.
2 January 2021 at 08:48 #516905
Pete Rimmer
Participant
@peterimmer30576
There should be a sping and hardened steel plunger under the grub screws which acts on an indent to hold the cam in the 'open' position for removing the chuck. Could be they need winding in a little to give the springs a bit of pressure. Could also be that someone has had it apart and missed out replacing the springs orthings might be gummed up.

You'll love camlock. As John says above the cams stay closed by friction, no need to lock them shut.
2 January 2021 at 09:54 #516916
DC31k
Participant
@dc31k
See post #39 here:

https://www.mig-welding.co.uk/forum/threads/d1-4-camlock-question.99683/page-2
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