Re: Filling in DB200/SL1000 lathe bed with lead
I bought enough from McMaster-Carr to rebuild two machines. I had originally intended to cut-off the material equal to the original length, but I now intend to leave the material long, and gain a
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PeterH5322 <peterh5322@...>
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#13567
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Re: Introduction
Hello, We have at least one other lady in the group. She is in the Neatherlands and her name is Ellen. There are some phots of her old cast iron Unimat DB200 (a MK3) in our Photos section. Alas, we
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caryscotthere <caryscotthere@...>
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#13566
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Re: Filling in DB200/SL1000 lathe bed with lead
Hello Peter and All, It has been my experience that when buying O2 drill rod in 36" lengths the bending seems to be from poorly packing the rods to prevent them from bending/saging in the middle
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caryscotthere <caryscotthere@...>
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#13565
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Re: Hemingway Vertical Alignment Device for Unimat 3
Hello Geoffrey, What are the chances of getting a scan of the brochure to be posted in our Photos? I believe I understand the description. However, as it is no longer being sold by Hemmings a photo or
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caryscotthere <caryscotthere@...>
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#13564
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Re: Introduction
God sake's - we got half-breeds (like me) a woman is always welcome (voice of reason). Why can't a woman have this as a hobby? My 14 year old daughter is learning and my wife is becoming quite an
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Jim RabidWolf <unclerabid@...>
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#13563
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Re: help on pm research model 2A/2B steam engine
Ed, Alumnium or brass? My opinion, my first project but it was a disaster as alumnium is unforgiving and have to buy replacement. First use a file to get castings close to specs. Pieces like the
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ransome michasiow <ransome_duke@...>
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#13561
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Re: Filling in DB200/SL1000 lathe bed with lead
Ground round way stock, intended for linear bearing ways, is available in unhardened, hardened, and chromed styles, from Thomson, through McMaster-Carr. Metric as well as Imperial is available. The
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PeterH5322 <peterh5322@...>
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#13559
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Re: Filling in DB200/SL1000 lathe bed with lead
Mert, I think that you will find that Rex suggests that you replace one of the cross-slide bars with a silver steel 3/8 rod. He blythly states that all you have to do is push the original bar out with
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Mike Williams <mikewmw@...>
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#13560
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Re: Hemingway Unimat 3 Accessories
Hi There Hemingway are under new management. I would contact them and see whether they would relist this attachment. regards David Editor Model Engineers' Workshop & Editor 16 mm Today The journal of
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David <david.anthony.clark@...>
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#13558
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Hemingway Unimat 3 Accessories
There have been a few enquiries about Hemingway Unimat 3 accessories so I decided to make this a separate topic. When I checked with them a couple of years ago, they didn't sell any Unimat 3
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Brian Symons
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#13557
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Re: Filling in DB200/SL1000 lathe bed with lead
Rex Tingey shows a mod using 5/8" drill rod for one of the bed shears. Mert mertbaker@...
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Mert Baker <mertbaker@...>
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#13556
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Re: Hemingway Vertical Alignment Device for Unimat 3
Hello Allyn, I am starting to make such an attachment on my Unimat 3 (it is no longer manufactured). The two collars or end plates must be bored/made simultaneously with one edge straight or the
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Geoffrey J. Grosguth <gjgrosguth@...>
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#13554
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Re: Filling in DB200/SL1000 lathe bed with lead
When I have encountered problems with the inadequate stiffness of the ways such as when I am turning large diameter steel stock, I keep two pairs of shallow angle beech folding wedges which I tap into
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Mike Williams <mikewmw@...>
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#13551
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Re: Filling in DB200/SL1000 lathe bed with lead
Yes, but the rods have _more_ ability to bend if the bed casting itself is not bolted down. Mine is bolted onto a piece of steel tubing. I also filled the underside of the bed with epoxy, after
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GuyW <guyiii@...>
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#13549
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Re: Filling in DB200/SL1000 lathe bed with lead
I don't think the stiffness or weight of the bed is a big problem. A major weakness of the DB/SL design is the 2 round drillrod 'ways' that are only supported at the ends. Any more than light tool
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Jay Kosta
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#13548
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Re: Hemingway Vertical Alignment Device for Unimat 3
OK, OK, I give up. What is a Hemingway Vertical Alignment? I also know that a Henway is about 4.5 pounds. AL T _____ From: UNIMAT@... [mailto:UNIMAT@...] On Behalf Of Geoffrey
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bruno278250
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#13547
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Re: help on pm research model 2A/2B steam engine
I would face one end of the cylinder, reverse it in the chuck with the faced end pressed against the chuck face, and face the other end. Bore the cylinder without taking it out of the chuck. This
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Mert Baker <mertbaker@...>
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#13545
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help on pm research model 2A/2B steam engine
I am trying my first real project on my unimat, a PM Research Inc. model 2A/ 2B steam engine. An oscillating engine. The Flywheel was relatively easy, but the cylinder barrel presents some problems.
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Edward Wilks <wenowork@...>
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#13544
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Re: any advice for first time milling with dovetail cutter ?
I didn't know about this one. Great tip! Thanks for sharing,, Norm
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Norm
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#13542
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An improved Threading Attachment for DB/SLs
Hello All, For those of you who were with us last Septerber you may recall I mentioned an article in Machinist's Workshop, Vol. 19 No. 4 for Aug./Sept. 2006. A Mr. Thleodore M. Clarke described how he
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caryscotthere <caryscotthere@...>
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#13541
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