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I think the shear pin is located down just below the chuck where the shaft enters the housing of the machine. If the feed shaft is still visibly turning then there is a sleeve under the saddle has worn out and needs replaced £££.

I have seen this done on a 100ton press with 16SWG Stainless perforated sheet which was used to build into a car exhaust (muffler) system .The tool had a floating mandrel and a flat sheet was put into the tool under the mandrel and one stroke hammered down to make the tube round and the seam was...

This might sound a bit crazy but we solved a similar problem by drilling from the bottom up allowing swarf to fall away.It meant modifing a cheap pedistal drill with a bit of fabrication and a welder but it worked.

We have recently bought one of these lathes but after getting to grips with using it we want to get more into the up and down loading of programs.The books we have tell you zip but there is a floppy drive and ports supposedly for this.Anyone know a site or forum to visit.

Hi knobhead just wanted to throw my experience into the ring and agree that speeds & feeds are one of the black arts.I think that if you get the prog right first time its TOO SLOW it is the unwritten law you gotta TWEAK .I defy anyone to pass a machine cutting away and not have some little noise...

Juanitos I am not sure about your description `forming a ring but it sounds like something I came across when I worked in the muffler industry and the company you are looking for is a company called EAGLE they make all sorts of TUBE END FORMING MACHINES .I think they work out of CANADA but have...

Thanks for the tip I will check it out.

Is there anyone who knows where I would get a book or reference with regard to british-french-german material equivalents .We are getting more inquires from other countries and we need to relate the materials to british equivalent.Some ones help would be appreciated.Thankyou

Thankyou SCOTT it is good to hear an outsiders view as at the moment I feel I duty bound to carry on but my instinct tells me I should speak up .You have given me something to think about .Many thanks Jack

To make a long story short I have worked as second in command in a 6 man machine shop for 6 years.In that time the owner died and I looked after the place for approx 3 months until his son in law (not an engineer) took over and eventually bought the place with his wife.Two years into his...

I have heard of DAMPING vibration in boring bars by sandvik they may be worth a try

Cannot tell how accurate you want the holes but we have had a local lasercut supplier do this in some large & long box section posts ( within 0.02") and it worked out much cheaper than CNC. good luck!!

I had the same question on the general engineering computer programs for some time when JOEDE sent me a reply to try http://www.trilogydesign.com Might be of some use to you worth a look !! GOOD LUCK!

THANKYOU joede this is one I did not know about I had a brif look at the site and the site in LONDON I will investigate futher Thankyou for taking the time .

NOT SURE IF I AM ON THE RIGHT TRACK BUT YOU MIGHT FIND SOMETHING USEFUL ON WWW.CARRS-TOOL.CO.UK THEY DO A VERY GOOD SELECTION OF TOOLSTEELS AND I NOTICE THEY ARE PRINTING HEATTREAT DETAILS ON THEIR WEBSITE >LOTS OF LUCK .JAKE

I spotted shareware ECO routing&manegment system on Cnet-shareware.com just search for ecodemo .I haven`t downloaded or used so I can`t tell if it may be of use I hope so !! Good luck!!

I do not know what your example is but I&K are simply the centre of the arc you wish to turn as an incremental position from the start point of the arc (the relationship depends on the machine you use).They can be as simple as the radius or you may need to work them out by trig.

I work in N.Ireland at sub contract engineering of parts.There are 7 of us in the company and we are looking to computerise our production but all the software out there (in the UK) costs about 7K and £100/month thereafter .Would anyone know of a package to buy straight out with no monthly charges??