my new lathe an old viceroy

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Dougiealan
Posts: 12
Joined: Mon 03 Feb , 2014 23:10 pm
Hardware/Software: Viceroy tds 1.1
Location: Scotland.

Re: my new lathe an old viceroy

Post by Dougiealan » Thu 06 Feb , 2014 11:33 am

Hi Jeff, nice machine for £300 mine hasn't got the gear box like yours has and I paid double that with only a 3 jaw chuck. I noticed you are VFD I seen a teco 1hp inverter on ebay for £110 do you know if this will do for my machine? it has a 3 phase motor and I'd like to control the speed with out changing belts and pulleys. The people I bought it from said its a duel voltage motor that's on it and said I'd need a convertor electrics aren't my strong point and don't want to buy unless I'm 100% sure. I bought a 1hp single phase motor to get me running until I get a better understanding on how to go about the invertor/convertor and firing the 3 phase one back in.

Regards Alan.

jeff1137
Posts: 17
Joined: Mon 19 Aug , 2013 1:01 am
Location: Manchester

Re: my new lathe an old viceroy

Post by jeff1137 » Thu 06 Feb , 2014 11:35 am

Hi
The TDI I got is off the Mk 1 lathe & I have the Mk2.
Does anyone know if there is a difference or modification to the TDI for the Mk 2 T.D.S.1/1. & the Mk1 .

Looking at them the only thing I can see is the spacer on the Mk2.
On the Mk1 the TDI fits next to the lathe & on the Mk2 the is a small spacer Ml109/5 11/16” bush.

Does the bush make any difference to the running of the lathe, I cannot see that it would, but you never know.
Jeff
Thank you for the advice, it is all ways welcome.

jeff1137
Posts: 17
Joined: Mon 19 Aug , 2013 1:01 am
Location: Manchester

Re: my new lathe an old viceroy

Post by jeff1137 » Thu 06 Feb , 2014 11:40 am

Hi Alan
Please ring me I have sent you a PM
Jeff
Thank you for the advice, it is all ways welcome.

User avatar
dazz
CNC Expert
CNC Expert
Posts: 246
Joined: Sat 19 Aug , 2006 11:31 am
Hardware/Software: Viceroy TDS 1/1GB lathe, Imperial, stripped down and rebuilt.
Viceroy Taper/Tracer attachment, Shop made cross slide tracer attachment, VSD.
Location: New Zealand

Re: my new lathe an old viceroy

Post by dazz » Fri 07 Feb , 2014 0:10 am

jeff1137 wrote:Hi dazz
I will program the VFD presently, how long did you give the motor to slow down & stop & run up,
About 4 seconds
jeff1137 wrote: did you fit a brake to the VFD.
No definitely not. The risk is that stopping too quickly will cause the chuck to unwind off the spindle.
jeff1137 wrote: What size motor did you fit.
1.2kW
jeff1137 wrote: Did you first fit a DC motor to the lathe
No
jeff1137 wrote: I have a 900w motor 3ph, have you had any prolemes runing at 1800 rpm, my motor is old maybe 15-25 years ???
For that size motor, I would recommend a max of about 1500rpm.
It doesn't really matter because you can increase torque by engaging the backgear.
Regards

Dazz

jeff1137
Posts: 17
Joined: Mon 19 Aug , 2013 1:01 am
Location: Manchester

Re: my new lathe an old viceroy

Post by jeff1137 » Fri 07 Feb , 2014 0:27 am

dazz wrote:
jeff1137 wrote:Hi dazz
I will program the VFD presently, how long did you give the motor to slow down & stop & run up,
About 4 seconds

Hi Dass
is that 2s up & 2s down, of 4s up & 4s down.

thanks jeff
Jeff
Thank you for the advice, it is all ways welcome.

User avatar
dazz
CNC Expert
CNC Expert
Posts: 246
Joined: Sat 19 Aug , 2006 11:31 am
Hardware/Software: Viceroy TDS 1/1GB lathe, Imperial, stripped down and rebuilt.
Viceroy Taper/Tracer attachment, Shop made cross slide tracer attachment, VSD.
Location: New Zealand

Re: my new lathe an old viceroy

Post by dazz » Fri 07 Feb , 2014 0:40 am

Hi
That's 4s up and 4s down.
My VFD achieves this by ramping the speed. There is no brake resistor.
Regards

Dazz

jeff1137
Posts: 17
Joined: Mon 19 Aug , 2013 1:01 am
Location: Manchester

Re: my new lathe an old viceroy

Post by jeff1137 » Fri 07 Feb , 2014 1:47 am

dazz wrote:Hi
That's 4s up and 4s down.
My VFD achieves this by ramping the speed. There is no brake resistor.

Hi Dazz

Thanks, it will make it easier to program the VFD if i know it will work right first time.
Jeff
Thank you for the advice, it is all ways welcome.

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