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Ian Burns 411/06/2020 11:42:03
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12 forum posts

Hi all

I've just purchased a Colchester Bantam which will need a little work to get it running (either using a VFD or changing the motor).

I live in the beds area near Luton so it would be great to hear of any groups or meetups once restrictions are lifted to meet likeminded people.

It would be great if anybody could recommend maybe a small lathe starter project or some literature to point me in the right direction to learning the skills and making something, however small and preventing my wife pointing at a large lump of metal, folding her arms and saying I told you so.

Hopefully I haven't made a grave error in judgement...

Thanks

Ian

Brian Wood11/06/2020 14:19:23
2742 forum posts
39 photos

Hello Ian,

Welcome to the Forum, I'm sure you will find it of great use and interest and sometimes even gentle banter.

" Error in judgement" --- placed where the phrase is in your posting it could be interpreted in ways other than the one I'm sure you intended!

Mischievously Brian

Ian Burns 411/06/2020 14:28:08
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12 forum posts

haha thanks Brian. I'll keep digging.....wink

Brian Wood11/06/2020 14:32:18
2742 forum posts
39 photos

Thanks for taking it so well Ian, I could be have been diving for cover!

On a serious note, I'm sure you will find the lathe absorbing and rewarding. Good luck with getting it operational again.

Kind regards Brian

John Paton 111/06/2020 15:12:45
avatar
327 forum posts
20 photos

Have a look at Geo Thomas book 'The Model engineers Workshop Manual' which has some excellent, well designed and very useful accessories in. He also gives such clear instructions on their manufacture that they serve as great beginner exercises too.

Brian H11/06/2020 15:18:38
avatar
2312 forum posts
112 photos

Hello Ian, I can't vouch for this one personally but his book on milling is excellent.

Lathework: A Complete Course (Workshop Practice)

By Harold Hall.

Brian

not done it yet11/06/2020 15:45:59
7517 forum posts
20 photos

Lathesdotcodotuk is a good starting point, especially as it is not running. Likely easy enough to sort it (as long as not a dual speed motor?). Guessing the problem is that it is a 3 phase 415V motor?

Clive Foster11/06/2020 15:47:32
3630 forum posts
128 photos

+1 for Lathework and, possibly, Workshop Projects both by Harold Hall. Get you going on techniques with things that might be useful. Have the advantage of being more up to date than most of the (good) books often suggested so more in tune with the materials easily available today.

Tool sharpening is, regrettably, often not well covered in books. The SouthBend Lathe book How To Grind Lathe Tool Cutter Bits, Bulletin no 35 is still a decent resource, despite its age, with a little more detail than most. Long out of copyright and can be found on the internet. I may well have got mine via Scribd.

Recently hollow grinding by offering up the tool to the periphery of the wheel has been covered in MEW including the vital tool rest heights to get specified angles. Worth tracking back for the articles as, not only is it a much more suitable method for the inexperienced, but also produces ashape that can be easily touched up with a stone or diamond sharpening blade.

Hafta say I tend to use Scribd and other internet sources as an alternative to being able to browse in a bookstore. Helps me select books with the right writing style and content for me. Folk may argue about copyright, distribution and other issues but, given that my 1,000 + book library has enough examples of not what I expected, misleadingly described or simply a fine book for another guy but not the one for me, I really don't care. Way I see it if you can read a book on a screen you don't greatly want it. If its good I'll buy it.

Clive

geoff adams11/06/2020 16:17:38
214 forum posts
207 photos

Hi Ian i have just got a bantam about three weeks ago all set up and running fitted a dro and quick change tool post it runs on 240 volt been covert about 10 years ago iam over the moon with mine had to sell a boxford and a myford to make space . a lot more power no more belt slip need to sort out the foot brake looks like it just needs to be adjusted .tailstock die holder would be a good project if you need any help message me

all the best Geoff

Ian Burns 411/06/2020 18:14:55
avatar
12 forum posts
Posted by Brian H on 11/06/2020 15:18:38:

Hello Ian, I can't vouch for this one personally but his book on milling is excellent.

Lathework: A Complete Course (Workshop Practice)

By Harold Hall.

Brian

Hi Brian,

Thanks for the recommendation. Ordered it and will let you know how I get on with it. Hopefully if I have a little initial success I might venture into milling also!

Ian Burns 411/06/2020 18:16:27
avatar
12 forum posts
Posted by John Paton 1 on 11/06/2020 15:12:45:

Have a look at Geo Thomas book 'The Model engineers Workshop Manual' which has some excellent, well designed and very useful accessories in. He also gives such clear instructions on their manufacture that they serve as great beginner exercises too.

Hi John,

Also ordered this so I now have my two starter books for the lathe. Just need to get the machine and workshop setup now...

Thanks

Neil Wyatt11/06/2020 18:55:44
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19226 forum posts
749 photos
86 articles

Welcome to the forum Ian!

Neil

Ian Burns 411/06/2020 20:03:27
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12 forum posts
Posted by Clive Foster on 11/06/2020 15:47:32:

+1 for Lathework and, possibly, Workshop Projects both by Harold Hall. Get you going on techniques with things that might be useful. Have the advantage of being more up to date than most of the (good) books often suggested so more in tune with the materials easily available today.

Tool sharpening is, regrettably, often not well covered in books. The SouthBend Lathe book How To Grind Lathe Tool Cutter Bits, Bulletin no 35 is still a decent resource, despite its age, with a little more detail than most. Long out of copyright and can be found on the internet. I may well have got mine via Scribd.

Recently hollow grinding by offering up the tool to the periphery of the wheel has been covered in MEW including the vital tool rest heights to get specified angles. Worth tracking back for the articles as, not only is it a much more suitable method for the inexperienced, but also produces ashape that can be easily touched up with a stone or diamond sharpening blade.

Hafta say I tend to use Scribd and other internet sources as an alternative to being able to browse in a bookstore. Helps me select books with the right writing style and content for me. Folk may argue about copyright, distribution and other issues but, given that my 1,000 + book library has enough exam bvl;yples of not what I expected, misleadingly described or simply a fine book for another guy but not the one for me, I really don't care. Way I see it if you can read a book on a screen you don't greatly want it. If its good I'll buy it.

Clive

Hi Clive

Lot's to think about I couldn't find the copies of the titles but have looked for some specific books on tool making and sharpening. I like the idea on Scribd so I will have a look at that also.

Martin Cooper11/06/2020 20:25:40
17 forum posts
2 photos

Hello Ian, from a very happy Bantam owner, Cambridge area.

Ian Burns 411/06/2020 20:44:53
avatar
12 forum posts
Posted by not done it yet on 11/06/2020 15:45:59:

Lathesdotcodotuk is a good starting point, especially as it is not running. Likely easy enough to sort it (as long as not a dual speed motor?). Guessing the problem is that it is a 3 phase 415V motor?

Yeah I saw somewhere about there being a bit of a complication if it is running the dual speed. Probably a daft question but how can I check this?

Well first problem is going to be taking it apart to get to the back of my property and then putting it back together but the three phase factor was also on the to do list!

Chris Gunn11/06/2020 21:56:24
459 forum posts
28 photos

Ian, another happy Bantam owner here, if the electrics are original there is a selector switch on the front under the drip tray to select high speed or low speed ranges. If you have not installed it yet, you will be able to see the original motor plate which also indicates it is a 2 speed motor. I elected to stick with the original motor on mine, and I run it via a Transpower converter. After about 15 years I did have a burn out, and got the motor rewound, and it has done another 15 years. I also acquired a back up 2 speed motor from someone who put an inverter drive on theirs. I never tried the back up motor.

Chris Gunn

Emgee12/06/2020 00:20:15
2610 forum posts
312 photos

If you have the 2 speed version/motor you will have 2 sets of speeds on the headstock plate, 1 in red for low speed range (800rpm) and 1 in blue for the high speed range (1600), also as Chris says has a choice on the starter for speed selection.

Emgee

 

Edited By Emgee on 12/06/2020 00:21:54

Ian Burns 412/06/2020 15:27:50
avatar
12 forum posts
Posted by geoff adams on 11/06/2020 16:17:38:

Hi Ian i have just got a bantam about three weeks ago all set up and running fitted a dro and quick change tool post it runs on 240 volt been covert about 10 years ago iam over the moon with mine had to sell a boxford and a myford to make space . a lot more power no more belt slip need to sort out the foot brake looks like it just needs to be adjusted .tailstock die holder would be a good project if you need any help message me

all the best Geoff

Hi Geoff,

Thanks for this. I think I tried messaging you but I'm not sure if it went through. Regarding space I've already been in trouble for this from my better half. Cue firebreathing when I later bring back a milling machine....

Ian Burns 412/06/2020 15:30:11
avatar
12 forum posts
Posted by Emgee on 12/06/2020 00:20:15:

If you have the 2 speed version/motor you will have 2 sets of speeds on the headstock plate, 1 in red for low speed range (800rpm) and 1 in blue for the high speed range (1600), also as Chris says has a choice on the starter for speed selection.

Emgee

Edited By Emgee on 12/06/2020 00:21:54

Hi Emgee,

Thanks for this. After checking I do have the two speed. Do you also have a colchester or are just in the know?

Ian Burns 412/06/2020 15:35:52
avatar
12 forum posts
Posted by Chris Gunn on 11/06/2020 21:56:24:

Ian, another happy Bantam owner here, if the electrics are original there is a selector switch on the front under the drip tray to select high speed or low speed ranges. If you have not installed it yet, you will be able to see the original motor plate which also indicates it is a 2 speed motor. I elected to stick with the original motor on mine, and I run it via a Transpower converter. After about 15 years I did have a burn out, and got the motor rewound, and it has done another 15 years. I also acquired a back up 2 speed motor from someone who put an inverter drive on theirs. I never tried the back up motor.

Chris Gunn

Hi Chris,

Would you be able to give me a little more info on the transpowr converter? I've looked at VFDs and some don't seem to be too expensive but I'm also aware the any money on something that isn't going to work is worse than spending money on getting the right thing. Any help would be greatly appreaciated

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