Hardinge KL-1 Lathe Conversion

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DavidLumbert
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Joined: Sun May 03, 2015 8:13 pm

Hardinge KL-1 Lathe Conversion

Postby DavidLumbert » Sun Apr 03, 2016 5:56 am

Hi guys,
I have a Hardinge KL-1 lathe that I am converting it to single phase. I am intending to power its dual speed motor which is 240v ac/415v ac. This is just meant to provide a prove that this lathe is working.
I will be using 3 VFD’s to power this lathe while maintaining its original controls. I also want to convert the coolant bump and speed change motors to delta 240v_ac operation.

Lorenzo
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Joined: Fri Nov 06, 2015 10:52 pm
Location: amman

Re: Hardinge KL-1 Lathe Conversion

Postby Lorenzo » Mon Apr 04, 2016 4:08 am

Which motor will you be using? I had the same project but I couldn't decide which one to use.

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DavidLumbert
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Joined: Sun May 03, 2015 8:13 pm

Re: Hardinge KL-1 Lathe Conversion

Postby DavidLumbert » Mon Apr 04, 2016 4:10 am

I have chosen to use the main motor simply because of its high quality. During my research I found out that I will need a step up to 415V ac from 240V transformer. What is delaying the process is that I can’t find such transformer even in eBay.

JamesMadison
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Joined: Sun Aug 30, 2015 8:54 pm
Location: bahia

Re: Hardinge KL-1 Lathe Conversion

Postby JamesMadison » Mon Apr 04, 2016 4:11 am

Hi, this is a good project. Why don’t you look for a manufacturer who can make such a transformer for you? There are many experts out there.

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DavidLumbert
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Joined: Sun May 03, 2015 8:13 pm

Re: Hardinge KL-1 Lathe Conversion

Postby DavidLumbert » Mon Apr 04, 2016 4:12 am

JamesMadison wrote:Hi, this is a good project. Why don’t you look for a manufacturer who can make such a transformer for you? There are many experts out there.
That is it; I am currently looking for one. I can’t wait any longer.

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Limn0s
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Joined: Wed Jun 10, 2015 7:36 pm

Re: Hardinge KL-1 Lathe Conversion

Postby Limn0s » Mon Apr 04, 2016 4:13 am

This is not realistic at all. Why spend that much in stepping up to 415v when you can use the money to just acquire something better. For example, you could buy a smart 3 phase motor.

Screen
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Joined: Wed Sep 09, 2015 6:06 am
Location: dublin

Re: Hardinge KL-1 Lathe Conversion

Postby Screen » Mon Apr 04, 2016 4:15 am

How about a rotary converter? I find it to be easy and cheap. With it you will get original, neat and tidy things

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DavidLumbert
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Joined: Sun May 03, 2015 8:13 pm

Re: Hardinge KL-1 Lathe Conversion

Postby DavidLumbert » Mon Apr 04, 2016 4:16 am

They are good but are not that efficient and occupy a lot of space. You can always replace the motor to do something new. Lathes come with different motors depending on the environment they are going to be used in.


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