Finally got a proper lathe

[DellParticipant @dell]

Well after using my 17/70 Pultra for a while I was finding the maximum through bore of 8mm a bit restricted so I have finally bit the bullet and purchased a Myford ML10 , I can’t go any bigger because of space limitations, collecting it tomorrow touch wood it will fit in my B Class, couldn’t pass at the price,as I have mostly used a graver in the past and never turned threads it’s going to be another big learning curve but that’s good for the brain cells when we get old.

Dell

[DellParticipant @dell]

[Michael GilliganParticipant @michaelgilligan61133]

Those should make a nicely balanced ‘Team’

A very wise choice, I would think

MichaelG

[roy entwistleParticipant @royentwistle24699]

Do not use the switch shown as an on – off switch. It only designed for reversing the lathe while the lathe is stopped.

Roy

[Roderick JenkinsParticipant @roderickjenkins93242]

That's a bit didactic. Not best modern practise perhaps but people have been using Dewhurst switches safely and successfully for the last 70 years. The contacts may get a bit pitted after half a century – a bit like putting a plug into an un-switched socket.

Anyway, nice lathe Dell. You'll enjoy that.

Rod

[Dave WoottonParticipant @davewootton]

Very nice, looks pristine with a griptrue chuck as well, My late friend had an ML10 and built several locomotives in 31/2" gauge and countless Stuart Turner stationary engines as well, all built on the lathe with a vertical slide as the only machine tool apart from a little Champion drill press, which i have now got and treasure.

Enjoy!

Dave

He didn't know about not using the reversing switch for starting the machine, but in well over twenty five years of regular use nothing untoward happened.

[jaCK HobsonParticipant @jackhobson50760]

Very nice condition! I'd swap my S7 for that.

[Howard LewisParticipant @howardlewis46836]

That looks really nice.

Hope that bit has a good range of accessories with it.

A lot of what messers Sparey and Bradlkey wrote was ML7 based, so a lot will read across ontom the ML10.

ENJOY!

Howard

[OldironParticipant @oldiron]

Nice looking lathe. Lets hope it performs as well as it looks. Nice find. As long as the lathe actually stops rotating before reversing there is no problem with a Dewhurst switch as it has a centre off position. The contacts are pretty meaty as well.

regards

[DellParticipant @dell]

Posted by roy entwistle on 10/02/2023 17:16:32:

Do not use the switch shown as an on – off switch. It only designed for reversing the lathe while the lathe is stopped.

Roy

So where is the on/off switch?

[old martParticipant @oldmart]

I agree with needing a proper switch, I would add a no volt on off with an emergency button. A lot of Myfords came from the factory with just the reversing switch, my boss when I was an instrument mechanic bought a brand new Super 7 long bed and that only had the reversing switch. It was used as is and we knew no better at the time. The reversing switches are expensive and parts are not that easy to come by, that is a good reason to add a proper switch and only set the reversing switch when switched off.

 

https://www.axminstertools.com/kedu-kjd17b-nvr-switch-230v-1ph-102532?glCountry=GB&gclid=EAIaIQobChMI7fTagcaL_QIVycLtCh0Y7g1bEAQYBiABEgKMpPD_BwE

Edited By old mart on 10/02/2023 18:09:12

[Rod RenshawParticipant @rodrenshaw28584]

Nice, clean looking lathe. You will get a lot of use and fun with that.. I would not worry unduly about the switch.

While Roy is theoretically correct. and use in Industry under the beady eye of a Health and Safety person might require a separate on /off switch, in practice Rod's post is more realistic for the use most amateurs make of their machines.

What may happen is that in many years time the switch may fail and have to be repaired or replaced, but it's rather  unlikely to happen in your lifetime. The fact that there is no separate on/off switch on your purchase suggests strongly that the previous owner also thought along these lines.

 

Edited By Rod Renshaw on 10/02/2023 18:34:06

[DellParticipant @dell]

Posted by Howard Lewis on 10/02/2023 17:47:40:

That looks really nice.

Hope that bit has a good range of accessories with it.

A lot of what messers Sparey and Bradlkey wrote was ML7 based, so a lot will read across ontom the ML10.

ENJOY!

Howard

Hi Howard

Yes quite a few accessories but no collets or collet chuck.

[Howard LewisParticipant @howardlewis46836]

Really there should be an On/Off switch of adequate capacity, (About 3 Kw to cope with starting currents, so ideally a NVR ) wired between the supply and the Dewhusrt swithch.

Have to admit that when I had my at least secondhand ML7 used the Dewhurst to start (But only when the spindle was stationary, ) and stop and never had any trouble.

Howard

[old martParticipant @oldmart]

Anyone noticed the set true chuck?

[DellParticipant @dell]

I can’t believe how clean it is here are a few more pictures

[Ady1Participant @ady1]

Well done you

Welcome to the nuthouse, and have fun with your new pal

[peak4Participant @peak4]

Do enjoy your new toy.
A couple of folk have mentioned the 3 jaw shown fitted.
If you're not familiar with this model, it' might be slightly counter intuitive in its operation.
The manual is HERE, it it's a GripTru with particular instructions on setting it to run true for any given diameter on p4
https://prattburnerd.com/wp-content/uploads/2022/01/PBI-GRIPTRU-MANUAL.pdf

Bill

[HopperParticipant @hopper]

Looks very nice indeed, like it has hardly been used. The leadscrew dog clutch is a very handy feature that is sadly missing on the ML7s.

The trick to turning larger diameter jobs on these is to use a fixed steady on the larger job sticking out of the chuck.

My ML7 has only the reversing switch, which has been on there for decades unknown without contact problems. I will get around to fitting an NVR at the other end of the bench at some point. I have had it sitting under the bench for a couple of years now, just needs wiring in. Nice to have two options for stopping and starting.

[Clive IndiaParticipant @cliveindia]

Nice one Dell.
Just get on and use it.

[Chris Pearson 1Participant @chrispearson1]

Posted by Howard Lewis on 10/02/2023 18:19:01:

Really there should be an On/Off switch of adequate capacity, (About 3 Kw to cope with starting currents, so ideally a NVR ) wired between the supply and the Dewhusrt swithch.

Have to admit that when I had my at least secondhand ML7 used the Dewhurst to start (But only when the spindle was stationary, ) and stop and never had any trouble.

With respect, 3 kW is not correct.

I suspect that the motor is 1/3 h.p. so it will draw 1 amp under load and up to 6 A briefly on starting. A Dewhurst switch will certainly cope with that.

I never had a problem with mine on an S7 so a slightly bigger motor.

The advantages of a separate NVR switch are (a) if the power is cut, the motor will not start up again unexpectedly when the power is restored; and (b) there is the option of an emergency stop mushroom button. However, it is certainly not a necessity.

It looks lovely – enjoy it!

Edited By Chris Pearson 1 on 11/02/2023 11:22:54

[HollowpointParticipant @hollowpoint]

You change lathes more often than I change socks! 😂 Seriously though, that looks like a beauty. I had a similarly mint ml10 a few years back. I regret selling it but I didn't have space. It's amazing to me that people will buy Chinese mini lathes when there is still stuff like this around!

Edited By Hollowpoint on 11/02/2023 11:45:11

[Martin Johnson 1Participant @martinjohnson1]

The Dewhurst tumbler reveRse did finally give up on my 55 year old Kerry lathe. However whatever switch you have will sooner or later give up on an inductive motor load. So after 50 years would you prefer to replace the Dewhurst or A N Other switch?

More importantly everyone is obsessed with NVR's – what about protecting the motor with a thermal trip of some sort as a fuse is not going to solve that particular problem.

Martin

[HopperParticipant @hopper]

I like the idea of having a second switch in case of emergency, or sometimes in case of flying hot swarf that you have to reach through to reach the reversing switch at the headstock end. An on/off or NVR switch with its big red button at the tailstock end can be very handy and means that hands and face etc are all well away from the working parts when starting up or stopping. So, maybe not a necessity but nice to have.

I have to say though, the more i look at that OP pic, the more showroom perfect that lathe looks. Beautiful.

[noel shelleyParticipant @noelshelley55608]

Since you have a Dewhurst drum reverser then fit the equally old MEM contactor with overload, probably a 2A to 4A. unit and 220/240V coil. It is a NVR and gives one the option of remote swithching. With a screw on chuck how many people actually use the machine in reverse ? The old Dewhurst, IF used properly was bomb proof, only when used as an on /off switch did they eventually fail due to burnt out contacts, caused by the fact that the contacts do not snap open to reduce arcing..There are many firms who produce contactors with overload but you need one with the right current rating as shown on the motor plate and a 220/240v coil.

In answer to the question as to where is the switch, it will be on the wall socket, until such time as you fit a proper one on the machine. I assume that the machine has no clutch so stopping and starting the single phase motor, it will soon take a dim view of things, overheat and if your lucky drop the thermal trip – if the motor has one, or simply cook !

All the above aside you are a lucky fellow to have got such a nice machine. Best wishes, Noel.

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