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Member postings for thaiguzzi

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

Thread: Grinding tool bits
02/10/2021 10:25:58

If the OP is getting a great price on buying long lengths of HSS (20cms 8" - not unheard of out here), it is very very easy to cut it in half with a 4-5" angle grinder and a 1-1.5mm wide cutting disc fitted.

Felt tip marker pen the middle, put it in the vise tight and have at it.

2 x 4" pieces with 4 useable ends.

As others have noted, a white wheel in your d/e bench grinder is the way to go, but prior to that, i don't, but you can, use your angle grinder for preliminary shaping.

I note that some of the old post WW II ME masters were not averse to using an HSS tool finished on a round wheel, which makes the angles generally easier to finish hone.

Thread: co-axial indicators
07/12/2020 05:38:13
Posted by blowlamp on 02/12/2020 11:37:53:
Posted by thaiguzzi on 02/12/2020 09:13:31:
Posted by blowlamp on 01/12/2020 11:22:24:

The neat thing about using a rotary edge finder - and in particular along with a DRO centre function - is how the centring accuracy 'homes in' if you repeat the procedure once or twice.

Martin.

What's a DRO ? smile d

It's a Digital ReadOut.

Just for information, they usually have a centring function whereby you 'touch off' the first edge and zero the display, then 'touch off' the opposite edge (the reading might be say 37.42mm), press the Half button (centring function) and the display will read 18.71mm. Moving that axis until the DRO displays zero now means you are at the centre of the part.

Martin.

My apologies. I was being sarcastic.

02/12/2020 09:13:31
Posted by blowlamp on 01/12/2020 11:22:24:

The neat thing about using a rotary edge finder - and in particular along with a DRO centre function - is how the centring accuracy 'homes in' if you repeat the procedure once or twice.

Martin.

What's a DRO ? smile d

Thread: Calipers - Dial v digital
01/12/2020 09:02:17
Posted by Speedy Builder5 on 01/12/2020 07:02:51:

I do like Dial callipers, but of course you would need one in metric and another in imperial - or would one? Has anyone seen a digital dial calliper where the analogue face of the dial could change between the two measurement systems. That would be a neat idea.

Its a bit like the speedo on your car, do you prefer dial or digital ?

Hate digital anything, especially tachs and speedos in cars and on motorcycles.

The big brand names and quality dial calipers don't do dual needle and dual reading, i would imagine it could get confusing and mistakes get made.

There are some cheap 30 Quid Chinese no-name brands that do.

Thread: co-axial indicators
01/12/2020 05:04:33

Got an American friend to bring one over from the States in his suitcase. A nice repro of the Blake by Shars.

Takes a while and a few goes to get the hang of it, but once familiar and confident with said doo-dad, the thing works very well, and very fast. I only work to a thou or a tad less, and it is much faster than a lever type indicator.

And no using a mirror or getting neck ache peering round the back of the work.

Thread: Calipers - Dial v digital
01/12/2020 04:54:25
Posted by ChrisH on 28/10/2017 10:47:31:

Andrew - I like you method of working, very sound, but not all - perhaps very few, I don't know - of us have the grinding facilities to accurately grind hole plug gauges parallel and to size, we have to make do with the measuring tools we have, but as you say, you can't have too many micrometers, inside and out! I need a depth one now too.

thaiguzzi - quality verniers are very good but the problem using them you have identified, eyesight. That doesn't get any better as you get older and a lot of us here are not so young as we like to think! (Think mind making promises the body can't keep anymore. You think you are still 27 but the reality is more like 72!). That is why digital and to a slightly lesser extent dial calipers have their attraction, big figures easy to read.

Chris

Bump.

Well, 3 years later, just turned 60, and my Mit verniers are finally getting awkward to read on the imperial scale.

Being a Luddite, and refusing to have anything to do with digital, batteries or electronics, i am now looking at dial calipers.....metric and imperial....

Thread: Motorcycle racing - Mark and Sam in particular
20/07/2020 09:37:23

Great thread OP!

Keep the stories coming!

Thread: Cigarette Papers
20/07/2020 09:29:37
Posted by John MC on 13/07/2020 18:05:49:

What do people use cigarette papers for? (other than smoking!).

I ask the question because I've never seen them used them in engineering.

I've seen "fag paper" being used to set the ignition timing on old motorcycles, not with good effect, difficult to get any "feel" with them, 1 1/2" thou feeler much better, would the same be true in whatever way the may be used in engineering?

John

Ps, never heard the trueing of a mill head called "tramming" until I joined this forum.

Disagree.

I've used green or blue Rizla papers timing points ignition (points just opening) on motorcycles for over 35 years. Even when i ran a professional workshop, it was my preferred method.

In the machine shop, i prefer Rizlas to edge finders or wigglers.

Re colours, thickness is virtually negligeable, blue being thinner if we are being picky, but red and green are more robust in a workshop enviroment, especially with oily fingers etc.

Thread: Smart and Brown Sabel
18/06/2020 11:19:11
Posted by Jim Beagley on 13/06/2020 11:03:48:

Well I managed to break something. Bah.
Stripping the apron and I couldn’t undo the clutch screw so got progressively bigger screwdrivers until I sheared it off. Dufus!

Got the end out of the shaft - of course it’s left handed isn’t it!!!
Broken Screw 2

so now I need to:
a) make another
b) find another (Unlikely)
c) replace with something else (metric allen head?)

So firstly, does anyone have one
Next does anyone know what the thread would be as it’s not one I can identify
Next, anyone got a suitable left handed die?

Also, no luck on replacement oiler felts. I can get them from the US but that’s pricey of course.
The good news is only the gearbox left to clean. Yay.

Google G&M Tools and Home and Workshop Supplies, both suppliers of S/H Boxford parts. That L/H thread screw is also a Boxford/Southbend part. They will stock that item and sell you one.

Regards.

Thread: Stent T&C Refurb (also need Wiring Help)
17/06/2020 10:22:49

Yes, i did'nt like the look of the motor plate design in the Stent drawings and others on the web, so changed how my motor was bolted on, adjusted, and the Z column.

15/06/2020 11:15:25

Welcome to The Club.

The Stent Owners Club.

Bought mine as a S/H unfinished project too. Funny old world. Innit.

Yeah, i built my Stent using a S/H washing machine motor with a new external capacitor, as i knew washing machine motors have to run both directions.

Double toggle switch is from a Brit motorcycle, so originally 12V.

Never been any elektrickery problems.

Got over 200 hours of build time in it, and at least half that in use.

Happy playing.

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Thread: Homemade cutting fluid
14/06/2020 14:24:40
Posted by SillyOldDuffer on 09/06/2020 12:09:49:
Posted by Tony Pratt 1 on 09/06/2020 11:17:12:

Water based 'coolant' & cutting oil are not that expensive so why bother making some home-brew which may end in tears?

Tony

+1, specially the 'end in tears' bit! Almost anything will work up to a point, and Milk, Bacon Fat, Tallow and similar are very effective and were much used in the past. A major problem with traditional methods is they go off. The stink is bad enough, even worse is the danger of infected cuts. Before antibiotics there was a lot of suffering and many amputations... Still potentially unpleasant with modern medical care.

Modern mixtures are high-performance, antiseptic, and don't rot. Paraffin is fine on Aluminium, otherwise the real thing is worth paying for.

Dave

+2.

Its 2020, not 1920.....

... and if you insist on bacon fat, make sure its Halal....

Thread: Surface Plate & Height Gauge recommendations
09/06/2020 10:17:10
Posted by Ron Laden on 09/06/2020 06:51:07:

The APE height gauge arrived, used but in nice condition quality is excellent. Accurate too, when checked against my gauge blocks its spot on. I really like the micrometer adjustment, super smooth and feels just right. I put an offer in on ebay and got it for £30, can't complain at that.

img_20200609_062847.jpg

That is a very nice bit of kit.

Highly jealous, regardless of the price, but 30 quid is just outright theft!

Thread: Machine Tool Peripheral Hoists
02/06/2020 03:03:18
Posted by Tim Hammond on 28/05/2020 12:49:51:

Last evening I watched a video on YouTube posted by Adam Booth (Abom 79 ) where he described and demonstrated a hoist he's just acquired called a "Sky Hook", used to assist in the mounting and demounting of lathe chucks, milling vices &c. on machine tools. It's safe working load is 500 lb, and it was mounted on the toolpost of his Monarch lathe. It occurred to me that this set up imposes a very high load on the toolpost,, enough probably to affect the integrity and accuracy of the machine. Many of the comments posted beneath the video echoed these concerns. Has anyone else seen this video? If so, would they care to share their thoughts?

Double post.

Edited By thaiguzzi on 02/06/2020 03:04:26

01/06/2020 16:28:28
Posted by Tim Hammond on 28/05/2020 12:49:51:

Last evening I watched a video on YouTube posted by Adam Booth (Abom 79 ) where he described and demonstrated a hoist he's just acquired called a "Sky Hook", used to assist in the mounting and demounting of lathe chucks, milling vices &c. on machine tools. It's safe working load is 500 lb, and it was mounted on the toolpost of his Monarch lathe. It occurred to me that this set up imposes a very high load on the toolpost,, enough probably to affect the integrity and accuracy of the machine. Many of the comments posted beneath the video echoed these concerns. Has anyone else seen this video? If so, would they care to share their thoughts?

Dont you start over this side of the pond as well! smile d

This has nearly started WW III over at the Home Shop Machinist forum...

Thread: What Did You Do Today 2020
31/05/2020 05:31:38
Posted by John Pace on 25/05/2020 17:26:02:

Here is what i made to do the same job ,this balancing frame made from
pieces of old steel channel bolted together some slots milled in each side
for some hardened pieces of gauge plate.Fitted on the machine and
ground flat some pieces of aluminium at each end to stop the wheel rolling
off ,three jacking screws to level the frame .The edges should be ground to
knife edge but the balancing shaft is soft so i left them square.
Simple and little to go wrong just have to keep the edges clean.

John

wheel balancing.jpg

John Hinkley,

i had a specialist Triumph (Meriden - not Hinkley...) shop in the UK 1988-2003, and if the customer did'nt want to spring for a dynamic crank assembly balance (sent off), we offered in house static balancing. After making our own balance jigs of various copied designs inc your bearing version, and never being happy with the end result, we settled finally on John's version above. No bearings, just knife edges, used for many many years, highly accurate and repeatable.

My 2 Baht's worth,

regards,

TG.

Thread: Myford Lubrication... yet again!
30/05/2020 10:07:13

Try a 5$ Chinese oil can from Halfords or Ebay or whatever, 375 or 500ml, the type that come with two spouts, bendy and solid.

Been using them for years, work great, c/w brass internals.

And yeah i have a Reilang too, but not used on my machine tools as its rather large 1000ml, but it works upside down on cars and bikes.

Still have problems, modify the spout end.

Thread: Myford MG9 grinder
27/05/2020 10:13:07

Geez Pete, you don't hang about!

Well done.

Thread: My Quorn
25/05/2020 10:58:29
Posted by John Haine on 25/05/2020 10:17:32:

Use "locking levers" such as these from Axminster. Much more practical, you don't need to find the Allan key or mess around making custom washers so they lock in the right place.

Yes, so much more practical, however, nowhere near as pretty as the original ball handles, and a Quorn needs to look pretty.

Unlike a utilitarian Stent or Kennet or Worden....

Great description from Rod, not heard that one before - cantankerous device - very apt.

And being a Stent owner, i actually do like the Quorn inc the OP's, sans handles.

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Thread: Warco Super Major Milling Machine - Gearbox Oil
25/05/2020 10:49:59

Yes, no probs, or use 80/90w gearbox oil, whichever is easier to hand.

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