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Member postings for Keith Long

Here is a list of all the postings Keith Long has made in our forums. Click on a thread name to jump to the thread.

Thread: Homemade Lathe
14/01/2020 11:47:29
Posted by Oldiron on 13/01/2020 15:13:33:

What was the purpose of pouring swarf on the shaft ??

Possibly to demonstrate the effectiveness of the wipers in the bearing housings?

Thread: How to lubricate pulley shafy bearings?
04/01/2020 23:38:05

Chris that looks very much like the bed for a Drummond "little Goliath" see here . If so putting it on EBay might result in more than enough for you to buy a small grinder.

Thread: Bolts & Screws using friction only to hold (or fluted)
01/01/2020 20:19:04

Richard have a search on the web for "rivbolt" or "clinch bolt". I think one of those would serve your purpose if they come in the sizes to suit.

Thread: Grinding wheel arbour
22/12/2019 15:57:20

Paul I can't help with details of the Deckel spindle but you might get some ideas if you do a search for "Sopko grinding wheel adaptors". These are a hub unit that the wheel is mounted on and then the hub and wheel assembly is fitted to the spindle by tapers, plain shaft - whatever. The hubs for tapers usually have provision for a removal puller to be attached so that all removal forces are applied to the hub not to the wheel. McMaster Carr have them listed at around the 70$ mark so quite pricey but not ridiculously so, which suggests that they are a commonly used item. The ideas in them should be relatively reproducible for your own version.

Thread: MR16 LED Spot lights
19/12/2019 13:11:48

Ron consider the case where you have a 240 volt bulb on the lathe and you've got a chuck key in your hand - which slips, hits the bulb and breaks it, and you now wind up connected to the 240 volt feed into the bulb. I hope the earth trip operates fast enough.

If you've got good overall general lighting then you probably don't need the nearly ubiquitous "anglepoise" type light right on the lathe close to the chuck. If you do need the close-up light, for safety's sake make it a low voltage one.

Thread: What is it
16/12/2019 16:14:54

I think Andrew might be thinking of a "selsyn"

Thread: Online ME index
26/11/2019 12:12:59

I tried it for the first time in months on Sunday and got the same thing, I thought it was just me having forgotten where to find it - at least I'm not alone!

A great pity if it has gone.

Thread: 'Bristol Handles'
02/11/2019 21:54:38

Berger tools and WDS both show extensive ranges of these handles in male and female thread versions in pretty much all sizes from M3 upwards.

Thread: The wonderful world of gauge blocks
27/10/2019 16:50:31

Henry, have a look at Rotagrip's website. I've bought individual blocks from them in the relatively recent past and they weren't too expensive considering what they are.

Thread: What is this thread called these days? 3/4"-16 SAE
22/10/2019 15:35:32

You've already got the search term,"3/4" - 16 SAE" followed by "tap" works for me. You could always try 3/4" UNF.

Thread: Collet sticking in chuck
03/10/2019 10:50:12

John are you fitting the collet in the ER chuck correctly?

If you are then removing the locking nut - not just loosening it - will remove the collet from the chuck as the collet is "captive" in the nut. If when you try to release the collet grip you need to undo the nut sufficiently for the collet to pull forward slightly from the chuck to release whatever it is holding.

Keith

Thread: M4 x 0.75mm pitch CSk machine screws
22/08/2019 21:44:17

Tracy tools list the taps and dies for these if you don't fancy screwcutting them.

Thread: Woodworking Router
11/08/2019 12:20:11

Ron the other thing to be aware of especially cutting MDF is DUST - it gets everywhere and routing produces a lot. Make sure that you get an appropriate mask for the mdf.

Thread: Lathe Identifier
11/08/2019 10:15:49

Liam - have a look at the lathes.co.uk webpage for the "IXL Leader". There is a photo on there of one from the 1930's, looks remarkably similar to your machine. The machines were mostly built in Germany hence the continental appearance.

The Colchester similarity is also interesting as I have an IXL lathe (dismantled at the moment), with a cast IXL name plate. and definitely an IXL Leader bed The odd thing is that my machine is a gear head and the headstock is either a VERY close copy of a Colchester roundhead Master headstock or IS a Colchester headstock re-badged.

Keith

Thread: Precision Ground Rod
08/08/2019 13:33:38

Vic try "Ondrives" - link - looks like they can offer a choice of stainless steel specs as well.

Keith

Thread: What size milling tool
06/08/2019 16:43:56

Garry, in the"Model Engineers Handbook" by "Tubal Cain" (T D Walshaw) for profiling with an end mill he states that the best results are when the cutter - diameter D is cutting a vertical depth (plate thickness ) of D and a maximum width of cut into the material of D/4. He also suggest that the minimum vertical depth of cut should be 0.006" and the maximum width of cut should be no more than engages 2 teeth on the cutter. The cutter diameter that you will use is more determined by what the mill can cope with in terms of power ,speed and rigidity. I've just been profiling 2 steel plates 6mm thick, stacked on top of each other (12mm total thickness) so that they came out the same sizes and my small mill was happy with 3mm passes (vertical height) and 1mm width of cut at 1000 rpm using a 6mm dia, 3 flute carbide cutter.

Keith

Thread: Locking Levers
05/08/2019 12:47:00

The levers originally linked to are actually made of zinc with stainless steel thread inserts - you have to read the full information, the heading is misleading.

05/08/2019 09:35:18

Vic, use "Bristol locking levers" as a search term on t'internet. Lots of them about in all sorts of materials at all sorts of prices from about £2.50 each and up.

Keith

Thread: Engineers blue alternatives
16/07/2019 11:52:03

Seems to me that folk here are confusing two totally different products. One "engineers blue" or "layout blue", which dries to a film that them can be scribed through so that layout marks show up, and "micrometer blue" which is a greasy blue paste, doesn't dry as far as I know but remains as a greasy blue film, and which is used to determine fits between mating surfaces and in scraping. The latter would be of no use for marking out as it will rub off very easily (if messily), while the layout blue (or felt tip pen) can be used to find interference between parts as well as used for marking out.

Thread: Dickson type T00 toolholders
25/06/2019 09:16:16
Posted by Terry olds on 25/06/2019 08:53:16:

does this help

Name:

Lynam Engineering Ltd

Office Address:

Leofric House Binley Road CV3 1JN Coventry

As there was a winding up order made on 03/04/19 I don't think you'll have much success in trying to contact them.

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