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I have a 6 X 4 band saw and it works very well most of the time. I have been offered an old mechanical hacksaw a Rapidor. Its a nice looking old saw I think converted from overhead belt drive. Apparently it works ok on solid material but jams on pipe and angle. It this a set up (speed...

Say I use a piece of 16mm studding with a 1mm pitch. So 1 full turn would move the studding 1 mm. I tighten the nut with a 300mm spanner with a force of say 30Nm Does that mean i get a clamping force of: 3.14 X 300 X 2 (max circumference of drive) to 1mm of movement -->1884 : 1 56520Nm...

I am currently using a manual mill drill this i could convert this but do not want to be with out a mill. So am thinking of buying either a X2 or X3 possibly the x2 super mill( the new one. As it has an easier Z conversion than the mill drills. Does this look feasible and importantly reliable...

Does this look correct please check if you can. I want to build a hydraulic press but need to check the calculations Force = Pressure X Area Available pump gives 130 bar pressure = 130x10exp5 N/m2 = 1885.5 PSI Force needed is 30 000kgf = 294 300 N 294 300 / 13000000 =0.02264 m2 Giving a...

I have a real problem with tool chatter when I use a flat or parting off shaped tool. The tool tip is set to work centre height. The tools chatter as soon as i start to cut at all speeds. I have a new chuck with run out less than 0.03mm i can not see any movement in the compound slide or...

Hello I bought a starrett edge finder at the week end. It has 2 ends one cylinder end for finding the edge. I understand how to use this end. It works very well. How do you use the pointed end to find a hole centre? Thanks for your help Paul

My new rotary table and tail stock with dividing plates arrived today. Its a Soba one. I know they are not suppose to be as good as vertex but i thought I would try as it was very competitively priced. alway send it back. (It is staying) I am very very please so far. screw free play out of the...

Hi I am thinking of buying a cheap rotary table. Are the Soba and Vertex ones that look the same the same or a different precision? Are they any good or do they have lots of free play and backlash? thanks Paul

After a reading some of the posts here and going to see some import lathes I have decided to restore my Boxford that fell of the back of a lorry ( really fell off about 4 feet) I did a quick patch up repair when I first got it. and used it to make and repair a few clocks. My latest project is...

a picture Borrowed from a web site I can not find again very heavy high speed drill.

Does any one know where to get the red green on off switches as used on most of the Chinese drills milling machines band saws etc? Thanks in advance for your help Regards Paul

How do I reverse the power feed on this lathe? The power feed control when up powers right to left which is ok. but I can not seem to find a way to reverse this. When the power feed control is down. The cross feed feeds from work center and out towards the operator. Which is not that useful...

Hi A few years ago I bought a Pollard made in Leicester corona high speed drill at an auction. It is a small bench drill very heavily built. probably weights 60 kg The trouble is it has a 2850rpm motor fitted which means the minimum chuck speed is about 11400 rpm and the maximum speed is near...