Recent content by cba

VFD and belt drive for the SIEG X3 Mill, part1

VFD and belt drive for the SIEG X3 Mill, part1

VFD and belt drive for the SIEG X3 Mill, part2 Year: 2016 Model: Beam Engine designed by Brian Rupnow Engine: Single cylinder dual action Engine Modifications: Exhaust porting Transmission: n/a

VFD and belt drive for the SIEG X3 Mill, part2 Year: 2016 Model: Beam Engine designed by Brian Rupnow Engine: Single cylinder dual action Engine Modifications: Exhaust porting Transmission: n/a

Hi Jan, I had two NSU Max bikes (250cc single cylinder) long time ago. Unlike the frame, the engines were well ahead of times. A joy to take apart and reassemble (I was just 17 Years old then...). Like on your link, there were two long rods, made from aluminium with bronze bushings for the...

I have uploaded to the group's file repository two .pdf files about this modification, hope it is helpful to anyone considering doing similar. I am very happy with the outcome, and would do it again anytime. http://www.homemodelenginemachinist.com/index.php?action=tpmod;dl=get316...

Could it be, that the drilled hole is already bellmouthed to a larger diameter then the reamer? Twist drills sometimes do that. In industry, a twist drill is often followedby a borer before reaming holes that need be very accurate. A borer is similar to a twist drill but with more than two...

Real felt is made of wool and will not disintegrate with oils or coolants, not in 20 years. True the polyurethane type wiper does not absorb anything. Like a windscreen wiper, it will wipe all oil away and leave the ways bone dry. The modern machines that use these wipers, need separate...

Each set of jaws can held a workpiece in 3 ways. That is 6 separate runouts on an ordinary self centering 3-jaw chuck with two sets of jaws. When people talk "regrinding the jaws" they usually only think grinding the inside of the inside jaws. But the same jaws can be used to hold a donut...

Oils or greases will fly in your face. It happens slowly, by centrifugal force. But sooner or later most of it will creep out of the chuck and cover your face and shirt (and glasses) in small oil dots. On a CNC lathe it may not matter since its all enclosed and anyway flooded with oil or...