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Member postings for Chris Evans 6

Here is a list of all the postings Chris Evans 6 has made in our forums. Click on a thread name to jump to the thread.

Thread: Which Rotary Table To Use - Stepper Motor
09/04/2020 21:16:29

Colin, given the size of your mill the bigger rotary has to be the one. The very thought of trying to clamp work on a 4" table puts me off.

Thread: What is it with the fit of old slotted screws?!
07/04/2020 07:36:11

I remember our local gunsmiths workshop, he must have had over 100 wooden handled "Turnscrews" (his words) one would be chosen and filed to fit the screw.

Thread: I once built a go cart
06/04/2020 13:38:20

Long distance trials cars where what held my interest, a Dellow followed by a Cannon sporting trials car then on to making my own. My love of motorcycles took over and still does so now.

Thread: Todays news -- well done
06/04/2020 08:06:27

A comment from another "Motorcyclist" I have been riding now for over 55 years and very rarely do I use a clutch for up changes on a bike. So much smoother without. Having said that I always use the clutch on my hand change bike.

Thread: New member
04/04/2020 08:40:29

Welcome along Sam, what sort of thing interests you to make on the lathe ?

Thread: Machinery's Handbook
02/04/2020 20:30:41

My copy is from around 1912, has much changed since then ?

Thread: Source of Small Extension Springs
02/04/2020 08:21:53

Take a look at your lawnmower to see if it has a Briggs and Stratton engine. Lots of little springs around the carburettor on those.

Thread: Lathe
30/03/2020 19:54:03

Have you returned all the levers to their original position ? Seems like you still have the leadscrew engaged or federate positions wrong. You should wind the tool away from the workpiece to return to the start position.

Thread: James Scooter
27/03/2020 20:00:30

I believe John Harding is the Vintage Motorcycle Club marque specialist for Francis Barnet and James.

Thread: Big lumps of Cast Iron
27/03/2020 19:54:33

You only need to make a polystyrene pattern for one offs, I do so often. Biggest problem is finding a foundry that will do a cash job.

Thread: Morse tapers
27/03/2020 19:46:57

If you have metric slips multiply sine x 127 for 5" sine bar.

Thread: Keeping busy
23/03/2020 19:16:52

I have enough on going old motorcycle related work to still have plenty in three months time. Times like this I reap the benefit of stocking materiel in full bar lengths.

Thread: Outside jaws for Pratt 160mm 3 jaw chuck
19/03/2020 21:54:43

OK I've found the chuck and jaws. The chuck catalogue number is 9580??1705

Stamped on the front is T03604 Stamped on the back 589 Stamped on jaws 680

Key sizes are 18mm sliding width,7.3 from bottom of scroll teeth to slot 7,3 Slot size 7mm

Let me know if of any use.

Thread: Renovating vice screw and nut
19/03/2020 17:25:29

To keep the speed of opening and closing it will be desirable to keep close to the 6 tpi.

I would favour you bolt a block/plate on the back or even a bronze standard available lead screw nut with a flange and screw to suit. Take a look at places like Automotion Components for off the shelf parts, more precision than the machine requires but cost effective.

Thread: Outside jaws for Pratt 160mm 3 jaw chuck
17/03/2020 18:51:05

I will look for them in the workshop tomorrow and put some sizes up on here.

17/03/2020 15:39:03

Square Peg, what is you location ? I have a set here (if I look hard enough) I bought a new chuck when I could not afford a new set of standard jaws. The old chuck is still in the workshop, with all the variations on chucks you would need to try for fit.

Thread: Scheppach Compressor
17/03/2020 11:12:23

What exactly are you looking for ? I've recently purchased spares off the "Bay" Most have pictures and a few dimensions, all are cheap enough to take a punt.

Thread: Sealey Milling machine SM2502 part
16/03/2020 20:19:08

Look at WDS standard parts catalogue.

Thread: Cutting Parameters for Small Slotdrill
16/03/2020 16:48:12

It is only in recent years (last15) that I have used carbide cutters on a pantograph. Prior to that they where a bit pricey for the small companies I worked for. And yes 18,000 was about as quick as they would go. On retiring I was offered for free a Deckle "KF12" one to one /ten to one ratio machine. Space and justifying how much use it would get stopped me accepting.

Thread: How are your clubs responding to Coronavirus
16/03/2020 14:03:10

I am a member of a motorcycle club and our next club night is cancelled, the next ones will be following suit if no change in the situation.

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