I have a romanoff motorized casting machine I bought (used) 6 years
ago. I have been successfully casting silver and bronze with it.
last cast of a 3 X 7 in. flask, it began knocking loudy and
vibrating badly, as if out of balance. (It had been balanced
I quickly shut down, and removed the broken arm, to check the motor
and the drive assembly. all was smooth there.
The loud knocking sounded as if the broken arm would swing from the
start position, hit the stop on the casting arm, and recoil to the
I disassembled the swivel and replaced the ball bearings. The
bearings were bad, and one was frozen.
I still have the problem. I feel almost certain the problem is in
the broken arm assembly. The ball bearings in the main drive assembly
seem to be in good condition, properly greased, and will run smooth
with the casting arm removed.
If anyone has experience with this machine, or any ideas what could
cause this problem, I sure thank you for the advice
p. s. If anyone has a good motorized casting machine they want to
sell I am interested.