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Make a simple puller and use heat

How about some photos as I am not familiar with the ML4.Is the brg housing slit as the ML7 with split whitemetal brgs They can be adjusted by removing shims and then scraping

WONDERFUL

Nice informative post.Looking forward to seeing the finished steady

It does not matter if its the job or the reamer that's moving.Ream all the way thru and back out under power as Brian says.Std recommended engineering practice

If you are concerned about accuracy why not use the collets for all ops

If you read my thread towards the end I did try cutting an internal keyway with a new head and specially ground tool It was not successful.However I realized that this type of work (ie internal splines and keyways) was very suitable to a shaper The model would be very limited to size and with...

Type of work the shaper did well.But would be done with a broach machine these days,if you have one

We are now getting in the realms of sillyness.My statement was that my model shaper although it works well is NOT capable of USEFULL work.I also reiterate that a full size shaper although a beautiful machine is not capable of efficient work compared to modern machines.End of discussion

You just confirmed my statement if you have to use more than 1 machine at a time Wonder how health and safety would view it in these more modern times

The cross head bearing is what produces the double acting piston.The piston is pushe down and pushed back up for I rev, a single cylinder combustion engine is pushed down and and has a full rev under 1 push before being pushed again To simplify the double acting is pushed twice per rev and the...

It is interesting and works well as well as looking good.My comment about not doing useful work means that it is inefficient in this modern world,with all the modern vertical mills etc I would certainly not choose it to make a part when I have a lathe and/or mill.I did make a slotting head with...

Yes it would,but I have yet to pick up a piece of Inconel or titanium for machining in my model engineering workshop

I have been in engineering all my life,sufficient to judge cutting speeds and feeds.I have never/ever calculated them since my apprentice school days

I did make a couple that are not detailed on the drws but photos have been posted The main one was the worm and pinion for the vertical feedscrew The second was the slotted pin for adjusting the stroke position,both work well. I would have liked to add motor drive using a small compact motor and...

I built the first one but I didn't see any weaknesses only improvements/design changes

Simply converting the existing plans from metric to imperial does not seem to really worthwhile as the original was constructed from whatever was available in both metric and imperial and simply modelled and dimensioned in metric. To make the exercise worthwhile maybe you could look at improving...

I killed 2 birds mwith 1 stone with my sieg mill.I added 2 additional plates to give me more vertical room and enlarge the footprint to incorporate riser screws and avoid shimming.Takes a while to get it right but have never had to readjust

Slots and new pin shown on no 133.Will post new photos when you make a start on a new thread

Let me know if you make a start as some drgs I posted I think were lost thru photobucket I also made some design changes at a the end which I don't think were drawn up,but they can be incorporated without too much problem.One was the slots to make the stroke positon adjustable and the other was...