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Member postings for bernard towers

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

Thread: Gear hobbing
01/03/2022 09:38:43

Pete, It’s a mikron 92 with a standard head. Bought it for £100 many years ago and overhauled it that was almost a waste of time as couldn’t find anything wrong with it and it’s been working ever since. I mostly cut gears for mechanical instruments (speedometers and rev counters) with it but have got a couple of 20dp hobs so I can generate odd changewheels for the machine itself which I converted to use Myford style wheels.

28/02/2022 15:52:19

Roger, It’ll be interesting to see that it could spark a bit of interest as very little out there except cues and small mikron machines like mine ,best of luck..

Thread: Number stamps quality.
28/02/2022 10:52:09

If you make the GHT stamp holder the stamps are are pushed to one corner of the holder by leaf springs and as usual with GHTs designs it works!!

Thread: Precision ground flat stones in UK?
28/02/2022 10:43:45

Couldn’t you use a lapping plate for that?

Thread: Number stamps quality.
27/02/2022 17:11:55

I bought a set of 1 mm from Pryor a couple of years ago as they assured me that the characters were absolutely central and they are, worth the extra few quid.

Thread: stuff that came with my lathe ...
25/02/2022 17:29:19

BASS 66 nearly all the fasteners I make are for Pre 30s bikes and I screwcut most of them much better looking totally concentric with plain sections etc.

25/02/2022 13:50:34

The item attached to the vertical slide is a Changewheel dividing unit which is why you do not get rid of changewheels!!!

25/02/2022 13:13:01

+ 1 for that if you haven’t got it you can’t use it and as for changewheels NEVER part with them!

Thread: How can I cut a 0.75mm radius on a piece of soft rubber sheeting?
24/02/2022 16:25:38

Leather workers use corner and radius cutters Suzi on the repair shop

Thread: Gear hobbing
24/02/2022 16:24:02

No definitely not but if it helps over the years I’ve had my hobber I have slowly worked out a change wheel chart based on available change wheels (converted the machine to 20dp Myford type which were cheap as chips then. As you say your fixed ratio is 40 to 1, mine is 16 to 1 so to cut a 10 tooth gear it’s 10 div 16 = 0.625 which I achieve by using a 48 and 30 tooth wheel setup. For some tooth counts compound trains are necessary but I shy away from them unless really necessary. Hope this is some help

Thread: Scratch build of CES rotary table
24/02/2022 09:11:02

Don’t College still supply the worm and wheel?

Thread: How can I cut a 0.75mm radius on a piece of soft rubber sheeting?
24/02/2022 09:09:20

Make one, use 3 or4 mm silver steel drill 1.5mm dia for. A short distance then turn bevel to give sharp edge (wad cutter style). Then mill or grind 90deg window from cutting edge for a short distance ,harden and temper and your good to go. They are much easier to control when used if put in the drill press chuck. Good luck

Thread: NT VFD control legend meaning
23/02/2022 16:34:51

I’m with Martin on this, when I fitted my NT set up they said only use in the red for short periods so most of the time now I just select backgear for the short period of work (screwcutting as an example) then the vid comes into its own as it then needs to run the motor at a higher rpm

Thread: Hello from Wyoming (USA)
22/02/2022 21:54:15

Same here Mikel a real nice part of the world and great bike riding

Thread: Chester 20 Eagle
22/02/2022 11:21:52

You could sell the gearbox for a nice tidy sum and use the proceeds to fit inverter vid system.

Thread: I need help to identify shaper
22/02/2022 07:38:02

The list says shapers,spotters etc. it’s down the right hand side on my iPad page

Thread: Always confused over threads and tapping
21/02/2022 19:24:26

I really have problem with this discussion as some of you are actually looking to mismatch fasteners, why do you think the designers of these fittings made both parts match..I could not in all honesty make stainless or any other material fasteners that did not match. Let’s be fair all the information required for thread sizes /rates /tapping sizes/ clearance/ and ods in the case of numbers is all out there pull it off print and read it.If a jobs worth doing.!!

Thread: Answering Machine Messages
21/02/2022 19:02:29

Peter. 15 pieces of magic which one shall I choose?

Thread: Front door locks
21/02/2022 18:59:10

Eurocylinders are available in a multitude of strengths, I believe Abus gaurantee one unbreakable one.

Thread: Turning between centres on Super 7
21/02/2022 18:53:52

Sorry chaps but between centres turning is what it says anything else is not.

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