User Profile

[Mark Rand]

I've got no problems at all with the design intent of Philips screws. I just suffer attacks of angst and rage when having to deal with soft steel or brass...

[Mark Rand]

Philips is probably the worst screw driving concept that there is in all of the varieties available. Robertson, Reed & Prince, JIS, Posidriv, Torx...

[Mark Rand]

The hole looks to be about 3/4" and the depth looks similar. That's about 1.75in^2 of area. 638 and similar will attain about 1500-2000psi of shear...

[Mark Rand]

I can't find a link to it now, but I believe that Hardinge produced a sine bar where there were two arms hinged together at one end with rollers on each...

[Mark Rand]

I've been seeing posts as yesterday when viewing at 23:xx in a GMT timezone. I suspect that the virtual machine the BBS is running on either doesn't have...

[Mark Rand]

What can I say? I live in the town of Rugby.

[Mark Rand]

I'm afraid I cook the Sunday dinner. The only one who knows how to cook in this house is me and I prefer my efforts to those of the wife (beans on toast...

[Mark Rand]

I wish the one on my 1952 Hardinge HLV was easy to disassemble. It's welded together.

Oddly enough, they changed the design later...

[Mark Rand]

If Doc absolutely needed a dead lenght stop it could have been mounted to the base of the collet fixture or the rotary table. That way, if the stock is...

[Mark Rand]

Yes, removing it would stop it overheating.