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Centec 2b base dimensions

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Putney man08/07/2014 10:53:26
18 forum posts

Anyone have the dimensions of the base - without the swarf tray - (which will be coming off) - considering one of these (a 2B), but I need to move it into a cellar and want to confirm the max dimensions - after the swarf tray is removed. I think the top just unbolts from the base. - I have got the manual, but, infuriatingly, it doesn't have the actual measurments of the base on its own. I assume it was never deemed relevant when these were going into a factory.

martin perman08/07/2014 14:33:53
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2006 forum posts
83 photos

I dont know the difference between a Centec 2A and 2B but my sales literature for my 2A says its base is 10" x 19" if thats of any help.

Martin P

Putney man08/07/2014 15:00:25
18 forum posts

martin, those measurements are in the manual and not what I'm after - that measurment refers to the base of the main machine, if it were bench mounted - and not the cast iron stand it sits on. - its that measurment I'm after. I think it would need a kind person who has one of these to get their tape measure out - I have googled away without sucess!

Michael Gilligan08/07/2014 15:29:13
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18761 forum posts
922 photos

Not sure if it's enough, but there is a useful photo of one here

To a first approximation, I reckon you could estimate the size by scaling from the known dimensions.

MichaelG.

Gary Wooding08/07/2014 17:03:29
866 forum posts
225 photos

I have a 2B that is in my cellar. The swarf tray is not detachable from the base.

The dimensions are:

Base: 24" front to back at the bottom section, 20" wide, 19" high, with another section 7" high that protrudes 6" to the front - this contains the switch gear.

The swarf tray is 41" wide and 34" front to back. The front protrudes 3" in front of the top of the base.

The distance between the bottom of the base to the top lip of the swarf tray will go through a doorway that is 29" wide - that's the width of the doorway to my cellar, which is where the mill is now. I can't remember, but I think I had to remove the door.

All three sections are welded together and cannot be separated without sawing them apart.

IHTH

Gary

Putney man08/07/2014 17:22:59
18 forum posts

This is great - exactly what I needed. Lathes . co site sugests the base is heavy guage steel - not cast iron, in which case it sounds like it could be manhandled by a couple of large blokes, not as heavy as a cast iron base. You say welded - I presume that means it is sheet steel - could you confirm? - this info is exactly what I need, I think, I could - if I took the door off, get it down sideways, assuming its not cast iron an weighing 300ibs

Regards

Adam

John Alexander Stewart08/07/2014 17:58:00
806 forum posts
53 photos

Adam - I also have a Centec 2B on welded base - I think Gary has it about right. (I'm not near mine at the moment)

The steel is heavy construction; I forget how I got mine down to the basement, but probably was slid down on its back. Probably strapped to some timber bits.

Another JohnS.

martin perman08/07/2014 18:04:14
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2006 forum posts
83 photos

Adam,

My 1948 sales literature shows two types of base, one is heavy gauge steel and the other is cast iron, similar in shape and both have doors in them, the drip trays are made of corresponding materials.

Martin P

Gary Wooding08/07/2014 22:46:14
866 forum posts
225 photos

Mine is heavy gauge sheet steel. Two strong people can handle it; we got it down the cellar steps, one step at a time, there wasn't room for three. Once in the cellar, three of us easily moved it. It required an engine crane to lift the body onto the base, and that was without the table, which needed removing to get it down the steps.

Gary

Hugh Allen06/03/2016 12:34:56
13 forum posts

I'm thinking of buying a Centec 2b, in excellent condition, but I can't see it physically because I'm located in Germany. The problem I have is that it'll have to go in to a cellar. That's also not a problem, except for the fact that I've only got 74" from floor to ceiling. I think that the Centec 2b (with vertical head) stands at 67" I've looked everywhere on the internet and nowhere can I find this information. If anyone has a 2b can they advise me? Thanks in advance

Hugh

Nicholas Farr06/03/2016 13:49:40
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2962 forum posts
1335 photos

Hi Putney man and Hugh Allen, the scan below may give you a good idea.

scan_20160306.jpg

Regards Nick.

Edited By Nicholas Farr on 06/03/2016 13:58:06

Nicholas Farr06/03/2016 14:35:48
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2962 forum posts
1335 photos
Posted by Michael Gilligan on 08/07/2014 15:29:13:

Not sure if it's enough, but there is a useful photo of one here

To a first approximation, I reckon you could estimate the size by scaling from the known dimensions.

MichaelG.

Hi Michael, that one is an Automil, which is a little different **LINK**

Regards Nick.

Michael Gilligan06/03/2016 15:04:21
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18761 forum posts
922 photos

Thanks, Nick,

I stand corrected blush

Hopefully my error has not caused too much grief in the intervening twenty months.

MichaelG.

Edited By Michael Gilligan on 06/03/2016 15:08:44

T.B06/03/2016 15:19:10
53 forum posts
21 photos
Posted by Hugh Allen on 06/03/2016 12:34:56:

I'm thinking of buying a Centec 2b, in excellent condition, but I can't see it physically because I'm located in Germany. The problem I have is that it'll have to go in to a cellar. That's also not a problem, except for the fact that I've only got 74" from floor to ceiling. I think that the Centec 2b (with vertical head) stands at 67" I've looked everywhere on the internet and nowhere can I find this information. If anyone has a 2b can they advise me? Thanks in advance

Hugh

With fine feed vertical head my 2b is approx 67" high on its stand , but you will not get the head drawbar out without another 9 or 10" of headroom without swiveling the vertical head round.

I also concur with gary's dimensions and had to relocate my mill a few months ago, with a mate we carried the stand through a 29" door way on its side without to much problem and then with the head , knee and table removed lifted the column onto the stand by hand.

John Alexander Stewart06/03/2016 16:39:31
806 forum posts
53 photos

As with T.B; but I measured in metric earlier today.

1) base on anti-vibration feet, 25mm higher than if it sat on floor;

2) duct work, 1,910mm from floor to bottom of duct work;

3) vertical head, quill retracted, 261mm clearance from top of spindle to duct work;

4) have to add the drawbar removal distance. What I have to do (the odd time when I actually change from my ER-25 collet holder) is to extend the quill, which gives me room to remove the drawbar, so I'd expect that much less from the 261mm might be problematic. The quill moves down about 50mm, which makes removal of my drawbar very easy.

The base did go quite easily into the basement, through two doors, and down a set of stairs.

(doing the math for you: 1910 - 261 -25 = 1624mm overall height, vertical "quill feed" head, without drawbar inserted- 1624 == approx 64 inches, correct?)

(my drawbar has a longish bit of hex rod on the end, yours will most likely differ, so I did not include the drawbar head in calculations)

John.

Hugh Allen06/03/2016 18:10:03
13 forum posts

Thanks very much Nick and John. Very helpful responses. They tell me that a) I can get it downstairs and b) with rubber feet I should have about 7" headroom, so swivelling the head will make drawbar removal possible. I was thinkin g of a 2a with a riser block and swivel table but I think the small table (16 inches) and the 9" travel might be too much of a limitation. May I ask you if you think that the asking price of 2K is too much? Very clean for its age, not much wear on the original paint, clean table and everything works,

Edited By Hugh Allen on 06/03/2016 18:10:49

Edited By Hugh Allen on 06/03/2016 18:11:13

John Alexander Stewart06/03/2016 21:44:28
806 forum posts
53 photos

Hi Hugh;

I really like my Centec 2B. It is well made. It is better made than my Asian mill, by a long shot.

Only you can decide if the price is worth it.

How will the electrics work? Right voltage?

I'm overseas, so I can not comment on price/worth.

Also, I have a small drill chuck stuck on a straight shank, it fits in a collet in my ER25 collet holder. Something to think about... larger drills will also fit in a ER collet holder, so if you do fit an ER holder, you might find that you do not need to remove it often, if at all.

John.

Nicholas Farr07/03/2016 06:51:05
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2962 forum posts
1335 photos

Hi Hugh, I believe these machines are quite popular, but as for value I don't know and as John has said, you can really only decide for yourself. Maybe someone else who has bought one could give you some idea.

The prices in the advert are from 1963 to give you some sort of idea.

Regards Nick.

Edited By Nicholas Farr on 07/03/2016 06:53:34

Gary Wooding07/03/2016 07:24:27
866 forum posts
225 photos

Hugh,

2K for a good condition 2B with Mk3 VH and power feed is about right. A friend also has one and we both paid around that price some years ago. Originally they were 3ph machines wired in star format. I converted both motors to delta and added VFDs. A very worthwhile conversion.

Hugh Allen18/12/2016 09:10:16
13 forum posts

Thanks everyone. Unfortunately the 2b at 2K got away from me, but I have located an absolutely pristine 2b with the MkII head and no power feed for 1,450 and have snapped it up. Virtually unused, not a single mark on the table and very little backlash. If there's anyone on this thread who is foolish enough to part with a MkIII head, please let me know!! Thanks again. This has all been very useful.

I do, however, have one other query. I live in Germany, where everything's metric (and blessedly simple). Now that I've got a 2B can anyone tell me what sets of open ended, sockets and Allen key sizes I would need for a tear-down? I am completely out of touch with AF, BSF, etc. etc.

Thanks again.

 

Edited By Hugh Allen on 18/12/2016 09:11:34

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