Mill/lathe combo? Didn't know they made one.

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Pete.
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Mill/lathe combo? Didn't know they made one.

Post by Pete. » Fri 31 Oct , 2014 17:25 pm

Never seen a Denford combination machine like this one offered on eBay. Was it standard issue or is th emillin gpart a later addition?

http://r.ebay.com/DMf7Io

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Re: Mill/lathe combo? Didn't know they made one.

Post by TDIPower » Sat 01 Nov , 2014 0:14 am

Why..... why did you bring this to my attention :( I was happy sitting 'Goth on BBC4' now I'm trying to work out a valid reason to own this... which is not difficult but then there is sorting out 415 3 phase from 240 single. I even have a project that would make good use of it... but I would have to get it from a not working state. hopefully it will get to a bid level far outside my reach

rpwilson
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Re: Mill/lathe combo? Didn't know they made one.

Post by rpwilson » Sat 01 Nov , 2014 3:34 am

Pete. wrote:Never seen a Denford combination machine like this one offered on eBay. Was it standard issue or is th emillin gpart a later addition?

http://r.ebay.com/DMf7Io
Does anyone recognise the mill head as a Denford product? I suspect its a later mod, but who knows? Curious that the vendor talks about the lathe, but makes no mention of the mill part.
Richard

Pete.
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Re: Mill/lathe combo? Didn't know they made one.

Post by Pete. » Sat 01 Nov , 2014 7:51 am

Well that's what made me think it was 'as supplied'. Surely if it was a late addition it would be mentioned?

rpwilson
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Re: Mill/lathe combo? Didn't know they made one.

Post by rpwilson » Sat 01 Nov , 2014 10:14 am

Pete. wrote:Well that's what made me think it was 'as supplied'. Surely if it was a late addition it would be mentioned?
Maybe, but on the other hand, the seller isn't trying very hard is he? No description of what, if any, equipment comes with it, no details of what renders it 'not working', no close up photo of the mill head.
Granted the head seems to be painted the same colour as the lathe and the cross slide looks to have 2 longitudinal tee slots, but on the other hand, where are the mill controls? They are not on the fascia panel, so would Denford make a machine where the operator has to reach over the lathe (true it wouldn't be running) to get at the push buttons? How is the Y axis movement controlled, saddle handwheel? Seems a bit coarse. Also theres nothing on the data plate to suggest that this is anything but a standard Synchro 280.
The bidding seems to be going quite well, with 6 days to go, so lets hope someone who uses this forum gets it, and tells us all about it.

Richard

Andy B
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Re: Mill/lathe combo? Didn't know they made one.

Post by Andy B » Mon 03 Nov , 2014 14:21 pm

This is a standard Denford offering - mainly sold to UK MoD, I believe.
There was another one sold on ebay a while back that had the miling attachment still in its packing crate.
The milling unit was supplied by Rishton, according to Tony Griffith's site.

Milling spindle controls are next to the self-contained motor.
A milling table replaced the standard lathe cross-slide.
The lathe's power feeds could then be used for milling - I think there may have been a spindle cap that shielded the rotating lathe spndle. One clearly would not be trying to turn and mill at the same time!

I think I have the installation drawings in my collection.

As existing owners know, the electronics normally consist only of contactors & wires with a couple of thermal cut-outs; nothing that is not easily fixed. However, it appears from the parts list that the MoD machines were fitted with a braking unit which did have a PCB. In the worst case I'm sure this could simply be by-passed to get the lathe up and running.

Andy

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Re: Mill/lathe combo? Didn't know they made one.

Post by Steve_S » Mon 03 Nov , 2014 19:39 pm

I email the guy for more photos and yes its a milling attachment. Which looks like a separate motor drive to convert if running 230v
I ask about the fault and the reply is "In terms of not working I understand its the electronics card."
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Pete.
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Re: Mill/lathe combo? Didn't know they made one.

Post by Pete. » Mon 03 Nov , 2014 21:43 pm

Steve_S wrote: I ask about the fault and the reply is "In terms of not working I understand its the electronics card."
That really would be something - since it has no electronics in it.

rpwilson
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Re: Mill/lathe combo? Didn't know they made one.

Post by rpwilson » Mon 03 Nov , 2014 23:42 pm

Pete. wrote:
Steve_S wrote: I ask about the fault and the reply is "In terms of not working I understand its the electronics card."
That really would be something - since it has no electronics in it.
Yes, when I asked him, he said that his electrician had told him it didn't work because the electronic control card was defective. Puzzled me too.

rpwilson
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Re: Mill/lathe combo? Didn't know they made one.

Post by rpwilson » Tue 04 Nov , 2014 15:37 pm

Pete. wrote:Never seen a Denford combination machine like this one offered on eBay. Was it standard issue or is th emillin gpart a later addition?

http://r.ebay.com/DMf7Io
I was so intrigued by this one that I went to look at it this morning.
It appears to be a standard Viceroy 280 Synchro, apart from the fact that there is a facing on the back of the bed,for mounting the mill. My 280 doesn't have that facing. Its an imperial machine, leadscrew, tailstock barrel and dials, has the 3 jaw shown in the photos, but no other spindle mounted equipment. There are 2 holders for the QCTP, a tailstock drill chuck and 3 spare change gears, plus various oddments of tooling. There is a 2MT Clarkson type collet chuck and 3 imperial collets which fit the mill head.
The vendor says there is an electrical card problem which stops the machine working. The data plate quotes the drawing numbers for the relevant wiring diagrams, so that probably isn't an insurmountable problem. Both lathe and mill head are 3 phase Its got the footbrake.
The vendor has now been told by his technician, who I talked to, that there is a problem with the traverses, and the technician says that the gears and racks in the gearbox are badly worn and chewed up. Thats a pity, because otherwise the machine looked pretty good, if in need of a good clean.
The mill uses a 6.5"x6" table forming part of the cross slide. It isn't what I'd call a 'handy' attachment to use, if it relies on the saddle traverse for movement in one direction. There should be a quick action movement for the quill, but the lever is missing, and I couldn't spot it in the drawers of the machine. Head elevating is by means of a handwheel on a vertical screw, and is best accessed when standing at the rear of the machine, which is why to me it isn't too handy to use. I couldn't see a name on the mill.
Its a lot of machine for not much money at present if someone fancies a 'punt' The mill head would probably sell well in its own right.

rpwilson
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Re: Mill/lathe combo? Didn't know they made one.

Post by rpwilson » Wed 05 Nov , 2014 11:19 am

I see the seller has ended the auction. Hope it wasn't anything I said.

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Re: Mill/lathe combo? Didn't know they made one.

Post by LesT » Wed 05 Nov , 2014 18:05 pm

Ending the auction just means that it has probably been sold privately, that's all.
Ebay want you to let an Auction run, but they can't force you to, they will charge a fee though,
and if you keep doing it regularly they will cancel your account.
Les.T.

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Re: Mill/lathe combo? Didn't know they made one.

Post by Kenny4sheds » Tue 23 Dec , 2014 18:08 pm

I have 2 x Viceroy 280s, one of them (Ex Gvt) came fitted with a vertical mill which I control with a small phase converter so apart from the mechanical speed selection I can fine tune the speed with the converter! the lathe itself is run on a static converter, the only thing I have to be aware of is to turn the lathe on before the suds pump to avoid the pump being overloaded, of course the pump turns off with the same stop button. If I want to mill only and need suds I select neutral on the headstock turn the lathe on then the pump.
The other 280 vs came with the fitting for the miller.
The same static converter also runs a Denford Sharpedge grinder and a small tool and and cutter grinder which I also use as a surface grinder. I just have to remember to select the correct loading on the converter which I now do without thinking about it.
If you want any more details on the miller I will be pleased to help.
Ken

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