Member postings for _Paul_

You could run it on an RPC which should be cheaper to make than the cost of a 3HP Inverter, that said the inverter will give variable speed and a lovely smooth finish.

As a comparison my Alba 1a has a 1/2hp 3Phase motor and can produce a really smooth finish.

My Elliott 10m has a 3/4hp single phase and will not produce the same quality finish no matter how much I tweak the setup/tooling/lubricant.

Similar behaviour from both my single phase Boxford 8" and 7" Atlas.

Regards

Paul

I use any good bits in my Shaper Slitting Saw:

Paul

Bandsaw belt tensioner, any one who has one of these probably already knows how crappy the drive belt tensioner is here is my simple but effective modification.

Also fitted an automotive drive belt in place of the Yak hair coated chewing gum item that was fitted.

Paul

I was offered a complete early machine like this last year for £80, this one looks like it's missing the bits at the back that elevate the knee.

Started the conversion of my BS0 Dividing head to stepper operation:

Shows the adaptor shaft which goes from the dividing head worm which has a 1/2" shaft with two flats to 10mm for the stepper coupling (not decided which type yet) and the stepper threaded mounting and tube.

What it looks like fitted up temporary for measurement purposes.

Paul

Hemingway are not attending the Midlands show so are offering discounts of 10 and 15% until next Friday October 25th Hemingway

Made some tee nuts, replacements for those that "evaporate" the ones in the background are commercially made of "foreign" manufacture.

Just need to case harden and all done.

and what they were made from a bit of EN1a

Paul

Another example of knurling use was the Piston ring manufacturer Cords who aside from manufacturing composite piston rings for petrol engines to reduce oil consumption used to also offer a "Micro-knurling" service for your pistons in an effort to address worn piston "slap".

Really nice piece of work Jason.

Heres something slightly less ostentatious, I changed the vice on my BP so used the opportunity to make a new stop.

John, that would be much appreciated.

Apologies to the OP for the partial Hi-Jack.

Regards

Paul

John,

A question if I may: how is the Nano connected, direct to the stepper?

Regards

Paul

The wheels on those things made great trolleys when we were kids 

Edited By _Paul_ on 04/10/2013 09:26:37

I built mine from scratch in around 4 hrs or thereabouts a bit at a time as the parts/materials came together.

Examine/zoom the knurling on the handwheel thats the quality it will produce.

Here is what you get in the Hemingway kit

I have a home brew copy of the Hemingway kit produces very good results, as clamp type Knurlers go IMHO the smaller scissor type tend not to produce a very good pattern.

If you can try to get or make something substantial.

Graham thats a very elegant design, does it self centre?

Regards

Paul

I have good success with synthetic Tractor paint quick drying, rollable/brushable & oil resistant try Smith & Allen.

T68 slideway oil for the machines ways and Velocite for the spindle, it it's been greased by a previous owner best of luck cleaning out the grease you could end up taking the table off.

Does the machine have a panel on the back? if so tank acces is through that.

Bridgeport Manual Dowload

Paul

The machine has what appear to be "manual" oil nipples on the front of the saddle so it may never have had an oil system, I have seen some examples like this over on PM.

Thinners on a bit of rag should shift the clag but will also shift paint, are you going to paint it?

Paul

Does it have to go on the splash guard? I have this screwed to the head of my Boxford, reach up grab the new toolholder swap over and done with no reaching over the work.

Paid a visit to the "Baltic Oil Works" In Newport today for some T68 slideway oil, 20 litres for just under £90,,,, or does anyone have a cheaper supplier?

You can never have enough toolholders.

Not tried Motion Components yet but noted for the future.

Our local bearing supplier Hayley (Wales) had "trouble" with the difference between bearing standards and tried to palm me off with a C3 insisting it would be OK....the one fellow there also tried to blag me saying if it has no markings it's a "standard fit" bearing same as a C2.... you can see why I dont go there very often.....

The 6206 C2 bearing is listed as an RHP on the Hardinge site at £18 + shipping and VAT, what eventually turned up was an SKF so I could have bought from Motion and saved a tenner and possibly the wait..... it gets worse.

I never gave Ketan a thought for this, I have noted though that he sells some "unusual" Magneto bearings, I will ask him the question next time.

Thanks

Paul