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Member postings for Chris Trice

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

Thread: Myford S7 Newall DRO Installation
08/02/2019 23:30:53
Posted by Michael O'Connor on 08/02/2019 23:23:25:

While trying to navigate this forum and figuring out how to post in order to ask a question today, I realized that I owe Barry Harrison aka ‘KWIL’, I believe, a long overdue thank you for his article in MEW December 2002/ January 2003 and his posts here on installing a Newall DRO on a Myford S7 lathe.

I think Ken Willson might be surprised at that.

Thread: B7 BP steel
08/02/2019 22:25:38
Posted by Bill Phinn on 08/02/2019 19:44:42:

Posted by Chris Trice on 08/02/2019 12:21:01:

I have several stated "stainless steel" rulers that have got rust on them and from good makers too. They're probably forty plus years old but untarnished they ain't.

That's good to know because only a few weeks ago I looked at a six inch rule of mine marked "stainless" that I've had for over twenty years and found a few rust spots on it. I was assuming I'd been had. Maybe we have been.

It highlights the misconception that the words "Stainless Steel" mean corrosion proof rather than corrosion resistant. It depends entirely on the grade employed. The other often quoted misconception is that SS's are non magnetic and that's not always true either. If certain features are important including machinability and/or cost then the appropriate grade to meet all criteria has to be selected.

Thread: Boyes of York, good value
08/02/2019 18:25:09

There's one in Ripley I always drop into when I'm in the area. Very good value for money.

Thread: One off castings
08/02/2019 18:22:48

Found it. Patay Bucks Ltd.

https://www.google.com/maps/place/Patay+Bucks+Ltd/@51.5325798,-0.6575232,15z/data=!4m5!3m4!1s0x0:0xe864255f6392abd1!8m2!3d51.5325798!4d-0.6575232

08/02/2019 18:20:03

There's a small foundry in Burnham village near Slough, about twenty minutes from Reading. They might be worth contacting.

Thread: B7 BP steel
08/02/2019 12:21:01

I have several stated "stainless steel" rulers that have got rust on them and from good makers too. They're probably forty plus years old but untarnished they ain't.

Thread: Myford tailstock ML7 / Super 7
08/02/2019 10:22:11

Both the official Myford Super 7 and ML7 versions just clamp on the barrel without screw threading.

07/02/2019 01:22:24

What you have there Dave is a very early Super 7 and a late ML7 tailstock. It's possible that it is the original tailstock even though officially it isn't.

Thread: Sliders too tight
06/02/2019 13:15:26

Or use thin double sided tape to stick the abrasive paper to something thin and flat.

Thread: Myford Super 7 back gear won't engage
06/02/2019 12:43:42

Great minds....

06/02/2019 12:28:47

I'd loosen the belts and turn everything forward and backwards by hand to find the problem. Can you turn the back gear cluster under the spindle by hand when it's not engaged? If it rotates freely, it's not that. Similarly, with the key in the disengaged position, can you turn the belt pulleys independently of the spindle? It is possible your back gear lever is out of adjustment. Its position is adjustable via a grub screw.

Thread: Sliders too tight
06/02/2019 12:20:52

If you go the gentle abrasion route, try a very fine diamond coated lap rather than abrasive paper. Used with a little oil, it's unlikely to shed any abrasive particles and it's a rigid flat surface that should take off any high spots.

Thread: Myford tailstock ML7 / Super 7
06/02/2019 12:12:24

I confess I too have the lever attachment fitted most of the time but don't use a draw bar. The taper is well cared for and seems to hold OK. I like the fact you can feel the cut when drilling with the lever arm, although you lose a bit of travel. I've also got the rack attachment but prefer the lever. It only very rarely gets swapped out if I need the longer movement.

Thread: super 7 headstock bearings
06/02/2019 10:33:53

It is worth substantially tightening the adjusting ring on the end of the spindle to make sure that the inner part of the bearings are positioned hard up on the spindle, loosening it and then resetting the preload. Tapping the spindle with a hide or rubber mallet might help to ensure things are sitting where they should be, then set the bronze bearing clearance.

Thread: Myford tailstock ML7 / Super 7
06/02/2019 01:31:26

IMHO, the Super 7 tailstock is much better for three reasons. It has greater rigidity, it self ejects morse tapered tooling and thirdly, it does away with the annoyance of getting oil/grease on your hand from the barrel everytime you reach for the hand wheel.

Thread: Model Kits
05/02/2019 20:56:18

Not cheap. https://www.ebay.co.uk/itm/Revell-8614-WASP-Radial-Engine-Motor-Sternmotor-1-4-Modellbausatz-Kit/253967053092?hash=item3b219db124:g:-vcAAOSwtbxbz20H:rk:1f:0

05/02/2019 20:52:38

Revell reissued a Renwall kit of a Wasp radial engine in 1/4 scale. Not sure of its current availability but they crop up on eBay.

Thread: request for help
05/02/2019 20:17:21

It may not look it in the photo but the end is square to the shank.

05/02/2019 20:16:22

imag0876.jpg

05/02/2019 20:06:45

Or source a set of HSS die head cutters and silver solder one to the end of a piece of steel. This will cut and "chase" at the same time, handy for cutting other diameters with a 1mm pitch.

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