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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: HSS or CS taps and dies
21/05/2019 22:30:46

This is Tubal Cain territory (the British one, not the internet pretender) who shows that drilling the tapping hole slightly larger than the Zeus tables (within reason) makes negligible difference to the strength of the resulting thread but vastly reduces the chance of over torquing the tap and breaking it.

Thread: stamford show vandals
21/05/2019 10:10:57

Victim impact statements should definitely form part of the judgement when it comes to sentencing. The psychological impact on these poor guys should not be dismissed as I'm sure many of them are devastated.

Thread: HSS or CS taps and dies
21/05/2019 10:03:46

Almost all mine are HSS as I do find them less prone to breakage. On that point, I think drilling the correct size pilot hole plays a bigger part in tap survival than the material it's made of and assuming of course it's sharp.

Thread: Graham Meek Myford Super 7 Screw Cutting Clutch
16/04/2019 19:26:49

(a) Yes. The disengaging rod sits neatly, if a little tightly, below the cross slide and above the aluminium housing on the rear of the bed. You may find it advantageous to make the arm the rod attaches to adjustable for length in order to fine tune it. Similarly the block that clamps to the bed that supports the other end of the rod might need tweaking depending on how close your saddle is going to get to it.

(b) No disadvantages. Mine has been fitted for at least five years.

(c) That's a question for Graham. My one suggestion would be to make the groove in the barrel which holds the lever in the neutral position via the sprung ball bearing a bit deeper than the other two locating grooves because sometimes when disengaging manually, the lever skips over the neutral position and goes into the reverse position.

Thread: LED replacement bulbs
09/04/2019 17:21:07

My recent brain fart moment was feeling environmental friendly and buying £24 worth of replacement LED bulbs for the living room ceiling light before remembering it was on a dimmer switch. Not a problem one might say if you keep it turned up but the bloody things flicker and change brightness after a few minutes and constantly need fiddling with. Going out shortly to buy whatever is still available of the incandescents they were intended to replace.

Thread: Todays DUMBO award
05/04/2019 20:33:11

Yep, I've done the cordless drill in reverse thing too except I was trying to push an apparently sharp 10mm drill through a piece of steel. Made no difference how hard I pushed for two minutes before the penny dropped.

Thread: Rulers - my pet peeve
03/04/2019 22:17:49

.... and if anyone's bought one of those tapered wedge shaped rules designed to measure the diameter of holes, I'd treat those with suspicion too. On mine, the metric size indicated too big and the imperial size indicated too small. It went in the bin.

03/04/2019 22:15:15
Posted by Hopper on 03/04/2019 07:37:37:
Posted by Chris Trice on 02/04/2019 16:43:58:

I would urge people to check their rules, particularly plastic and cheap ones, for accuracy against a known good one. You'd be surprised at some of the variance.

Actually I would not be that surprised these days. In fact, not surprised at all.

I still use my good old 6" Moore and Wright I was issued as an apprentice.

My recommendation to check was earnest and highly recommended. It's one of those things everyone takes for granted. I was horrified how much some of them vary. My go to rule is my Japanese Fisher rule cross checked against a Mitutoyo vernier.

Thread: RIP Chris Moore
02/04/2019 16:48:06

Always sad to hear of someone passing.

Thread: Rulers - my pet peeve
02/04/2019 16:43:58

I would urge people to check their rules, particularly plastic and cheap ones, for accuracy against a known good one. You'd be surprised at some of the variance.

Thread: Chinese 7x10 lathe
31/03/2019 00:22:39

Advice for buying a lathe always used to be to buy the biggest you could afford that will fit because you will invariably have things you want to turn that are frustratingly just too large for what you bought. It is also better to have a lathe with power available when a job is demanding on the machine rather than buying one that constantly struggles even when turning average jobs.

Thread: Non-Drip Gloss Paint
29/03/2019 23:52:37

Most paints separate over time since they consist of finely ground pigment mixed into a carrier base and one is usually heavier than the other. Can't think of any paint offhand that doesn't say shake or stir before use.

Thread: Looking to purchase a new 4 jaw chuck
29/03/2019 11:14:56

There's a Pratt made 4 1/2" chuck on there at the moment which would be ideal. Needs a back plate though.

29/03/2019 11:07:33

I had a Speed 10 for a while with the ball raced spindle. I'd look for a slim body 5" Burnerd but no bigger. A 4" was recommended and if your ML10 is the plain bearing version, I'd be inclined to not go much above that. Genuine Burnerd 4 jaws with Myford threaded bodies are easy to find on eBay second hand and given how they work, wear, unless horribly excessive, is not a huge problem. Make sure the jaw operating screws aren't cracked though. Replacements are available but it defeats the object of buying secondhand.

Thread: Myford Super 7 Bed Wear
28/03/2019 22:51:11

Is there similar damage to the rear edge of the bed or just the front?

Thread: Graham Meek’s Tailstock Dial - MEW279
28/03/2019 22:44:56

Ditto.

Thread: Can anyone solve this problem?
27/03/2019 23:24:09

The thing that threw me was that the round disk of the wide part of the cone, when angled forward starts making contact with the V block nearer and nearer to the east and west positions. Looking from the front, the disk starts to become elliptical the more it leans.

Thread: Myford Super 7 Bed Wear
27/03/2019 23:16:56
Posted by SillyOldDuffer on 27/03/2019 16:30:20:

Looks more like cleaned-up corrosion damage than wear to me.

Quite a lot of materials attract water. Possibly the lathe was left for a long time with something like a heap of damp sawdust on the ways, or a chemically treated cloth was braced across that edge and the lathe did nothing but polishing. It's a bit odd.

s7corr.jpg

The novel Black Beauty is really about lathes, not horses. The machine starts off as a pampered show thorough-bred, is ruined by an inconsiderate owner and then sold-on for hack-work through a series of kind and cruel owners. After much mistreatment Black Beauty is saved from the Knackers Yard at the last moment by a benefactor, and has a happy retirement. I hope this old girl is restored to full performance.

Dave

Edited By SillyOldDuffer on 27/03/2019 16:31:28

My Spidey sense is saying to me ground out hacksaw marks from parting off with a hacksaw.

Thread: Newbie with a chuck query
27/03/2019 11:04:14

The other option is buy a set of soft jaws you can machine and reserve this chuck for special duties.

26/03/2019 16:06:19

Colin is a relative beginner. Talking of regrinding requires at the very least a grinding spindle or Dremel with a suitable tool post mounting and making/buying the gadget for holding the jaws open at their tip and you'll still be left with a chuck that won't hold anything smaller than 1/8th", assuming his efforts are even successful. Seriously, just buy another chuck because you will eventually anyway when the shortcomings of the first rapidly get annoying. Since the one supplied has obviously been swept up off the floor from under a bench somewhere, the scroll and inner workings could be well knackered. Even PB say it's often more expensive to repair than replace. I'm reminded of a friend of mine who used to work as a car mechanic and the customers that used to think a £25 service would make their 200,000 mile car like new.

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