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Member postings for Phil P

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

Thread: Tapping drill size
17/10/2019 12:59:40

I personally use a letter "J" drill for general use M8 threads which is 7.05mm. Zeus charts tell you to use a 6.8mm

Phil

Thread: Mystery rotating V block
14/10/2019 21:17:48

100% Union T & C Grinder

Phil

Thread: Hand or Machine Reamers?
05/10/2019 11:54:10

For lathe work my dad always taught me to drill an undersize hole, followed by a single point boring tool, then finally the machine reamer.

If you miss out the boring tool stage, there is every chance your original drilled hole could have wandered off centre, the reamer will then just follow it with the same error. The single point boring tool will correct any hole wander prior to reaming.

Phil

Thread: Has to be seen to be believed
04/10/2019 21:34:54

Looks like it's one of those special stayless firebox types !!!!!!!!

Phil

Thread: What is it
02/10/2019 18:26:37

I dont know but I want one !

Phil

Thread: A (new to me) Tom Senior Major ELT
01/10/2019 20:50:33

Brian

It nice to have the luxury of both a vertical and a horizontal machine if you have the space, the horizontals are very under rated these days but can be very handy for some jobs.

It looks to be a nice machine, keep us updated with some photo's as you get it sorted.

I noticed on one of your Alexander Engraver album photo's, that you have a Union cutter grinder, I too use one so if you need any information I have various manuals etc.

Phil

Edited By Phil P on 01/10/2019 20:54:35

01/10/2019 19:45:31

I just remembered I have some photo's to inspire you.

whole-machine-front-view.jpg

whole-machine-side-view.jpg

bridgeport-side-view.jpg

bridgeport-bracket.jpg

I made a very simple wood pattern for the bracket casting, and all the machining was done on the horizontal milling machine including facing the top of the overarm to accept the bracket.

The big advantage of this setup is that you can very quickly set up to do horizontal work by pulling the overarm out, without needing to disturb the vertical head setup.

Also if the overarm was pushed right back, the original gear driven vertical head could still be fitted for very heavy work.

Phil

Edited By Phil P on 01/10/2019 19:48:13

Edited By Phil P on 01/10/2019 19:49:59

01/10/2019 18:36:52

That overarm would be a perfect candidate for grafting a Bridgeport head onto it. I did something similar with my Adcock Shipley 1ES horizontal mill a few years ago and it made it into a very useful machine indeed.

Phil

Thread: M&W rules now better...
26/09/2019 23:09:37

I seem to remember that those 6" rules with the dodgy end were given away as a freebie with one of the magazines a few years ago !!

My dad spotted the problem straight away on his, and told me to check mine out as well which was just as bad.

Maybe M&W were giving them away as a bad batch. Mine only gets used used on the metal cut off saw for rough measurements of bar stock.

Phil

Thread: Poly-Vee Belts
10/09/2019 22:09:53

As with Vee Belts there are various different sizes of Poly Vee Belts.

Let me have your details via a PM and I will send you a PDF catalogue showing all the details.

Phil

Thread: Zinc plating
07/09/2019 15:16:22

I will second that.

Many years ago my dad thought he was being clever by making the boiler lagging sheets for our Aveling & Porter steam roller from zinc coated sheet, he assumed it would last longer in that environment and it probably would have done.

Etch primer was not very common back then, and the nice new shiny black coach paint and pin striping all started peeling of within a few weeks !!

When we restored the Fowler road loco, we used blued steel sheet for lagging the cylinder block, that looked superb.

Phil

Thread: Any one used a digital microscope for micro turning on a lathe
07/09/2019 11:27:40

I almost universally use a clip on magnifier in the workshop, I occasionally use the optivisor headband but find it not as comfortable to wear for long periods.

I have good quality Zeiss clip ons in 4 & 6 dioptre strengths.

**LINK**

These when worn with my +2 reading glasses are great for really close up stuff working at about 150mm range.

Most of the time though, I use one of these with the 1.5x lens fitted and that gives me a working range of about 250mm, they are cheap as chips so if you break or scratch one it does'nt matter too much.

**LINK**

Not wishing to damage my eyes by using a £3 bit of plastic, I took it to my optitions yesterday when choosing some new glasses for the workshop. He put it on his lens strength testing machine and told me it was spot on and that he was quite impressed at the quality for the price, so carry on using it with no problems.

Just a thought.................If a stereo microscope is used for watchmaking, does that make it a Horoscope ?

Phil

Edited By Phil P on 07/09/2019 11:39:38

Edited By Phil P on 07/09/2019 11:40:16

Thread: Pultra 10mm Collet Blocks
06/09/2019 11:34:07

Jason

Fair comment.

I have made the nut so it is machined on both sides and also so that the collet cannot poke out of the end for that very reason. I did wonder about a recessed nut, but thought it over complicated the design.

Phil

Thread: Tool post project
06/09/2019 11:29:53
Posted by Graham Meek on 06/09/2019 10:00:21:

This is a solution I made in the late 1980's before going back to a 4 Tool Turret, based on George Thomas's design.

fig 1 homemade interchangeable tooling.jpg

fig 8 dis-assembled interchangeable tooling.jpg

Regards

Gray,

Gray

I still use mine on the Super 7, its a brilliant design in my opinion, why did you revert back to a four way toolpost ?

I made Georges four way turret years ago, but did not really like it to be honest.

Phil

Edited By Phil P on 06/09/2019 11:31:07

Thread: Pultra 10mm Collet Blocks
06/09/2019 11:14:30

OK, if anyone is remotely interested, here are my Solidworks drawings in JPG format.

collet blocks.jpg

hex collet block.jpg

sq collet block.jpg

collet nut.jpg

collet peg.jpg

Just bear in mind that I have not actually made them yet, so they may possibly change.

The plan is to bore the 10mm collet hole and taper in the square and hexagon raw materials, then use a mandrel to hold them in the dividing head to finish the flats to size on the milling machine.

Phil

Thread: Any one used a digital microscope for micro turning on a lathe
06/09/2019 10:52:50

Definitely not the cheapo chinese digital ones for me, I have borrowed one to try out on both my Boley watchmaking lathe and my Pultra 1770. I could not get on with it in either situation, so am sticking to my binocular microscopes.

I would be very interested to hear and see how other people have mounted a binocular microscope though.

Mine is on an old angle-poise type lamp bracket, but is not what I would call ideal as it can flex slightly when in use.

Phil

Thread: Why does the micrometer have a second knurled segment
06/09/2019 08:47:36

Brian

You are right of course, but the OP got his answer in the first couple of replies and I am sure he will be able to see that this is just a bit of friendly banter. If not, and with all due respect he is probably asking the wrong people.

Phil

05/09/2019 23:56:26

My Mitutoyo 1" Mic doesn't have a second knurled ring.

Should I not be hammering with it in that case wink

Phil

Thread: Pultra 10mm Collet Blocks
05/09/2019 23:52:14

Yes Michael

That's the sort of thing, in fact I have just this minute finished drawing a set up in Solidworks 3D CAD.

Watch this space !!

Phil

05/09/2019 18:19:34

As I suspected.

The only thing I have managed to find is on this website, he calls it an upright collet holder but it is not really what I am after.

**LINK**

Looks like I will be making my own then.

Phil

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