[MachineShop] New Safety Check for South Bend Lathe

[Denis Muradov]

This is on my to do list with updating the training documentation. That
page can be a separate page which can be attached to the wall next to the
machine for quick reference, or mounted in some other manner.

On Sat, Mar 16, 2024 at 10:54 AM <itsunclebill at gmail.com> wrote:

> At Quelab, we don’t have people using our equipment as part of a full-time
> occupation.  Sometimes even things can get overlooked.  I think a startup
> checklist for each machine, posted at the machine, would be a great thing.
>
>
>
> *From:* Machineshop <machineshop-bounces at quelab.net> *On Behalf Of *Denis
> Muradov via Machineshop
> *Sent:* Saturday, March 16, 2024 10:35 AM
> *To:* John P Anthes <jpanthes at comcast.net>
> *Cc:* Denis Muradov <denis.muradov at gmail.com>; MachineShop Information
> list <machineshop at quelab.net>
> *Subject:* Re: [MachineShop] New Safety Check for South Bend Lathe
>
>
>
> I checked the two four jaw chucks. They both have the same four bolt
> pattern style. The spacing is ~4.12" on one and ~2.81" on the other. I have
> attached a picture of the bigger one.
>
>
>
>
>
>
>
> On Wed, Mar 13, 2024, 6:55 PM Denis Muradov <denis.muradov at gmail.com>
> wrote:
>
> We have two four jaw chucks with nothing on the back. I think they have
> plain backs? I will double check.
>
>
>
> On Wed, Mar 13, 2024, 5:13 PM John P Anthes <jpanthes at comcast.net> wrote:
>
> Wow! Sure am glad you learned of this situation Denis.
> Honestly, I cannot imagine how this happened?
>
> Untrained users?
>
> I’ve spoken a few time of a 4-jaw chuck. But we never located one? I do
> rather recall having one at sometime?
> And I don’t recall a collet chuck available that would substitute for the
> 3-jaw chuck?
>
> I just don’t get it. But and pleased that you discovered the concern.
> THANK YOU!
>
> John Anthes
> Sent from John's IPad Air
>
> > On Mar 13, 2024, at 6:28 PM, Denis Muradov via Machineshop <
> machineshop at quelab.net> wrote:
> >
> > 
> > Today while, Mr Ford was working on the backlash problem, I decided to
> take the chuck off. It turned out that the camlock position screws were in
> the open position, except maybe for one which was halfway. This could have
> caused the chuck to come off during operation. This might explain the
> parallelism issue some users ran in to during training.
> >
> > From now on, whenever using the lathe, double check that the camlock
> screws are in the locked position. Take a look at the picture for the
> correct orientation. More permanent labeling will need to be done in the
> future.
> >
> > I will update the training documentation with this step in the future.
> >
> > Thanks
> > --
> > Machineshop mailing list
> > Machineshop at quelab.net
> > http://pepper.quelab.net/mailman/listinfo/machineshop
>
>
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