Re: Modern Crankshaft Machining

Posted by HH56 On 2012/11/14 11:36:38

The automated machine doing the crank is something else. I am amazed by the size of both the crank and the machine. The finishing of the throws was particularly impressive watching that huge slide containing the end mill move in an out as the crank rotated and yet be precise enough for the tolerances that must be involved.

Actually not sure which is more impressive -- the automatic machine of today or remembering a few short years ago all that was done by hand.

The railroad video sure makes one thankful for modern rules. In addition to the no safety glasses or protection of any kind evident, can you imagine being in that confined rectangle during the riveting operation and no ear protection! Those guys must have been deaf or if not already, soon would be.

I remember another video of a car frame or body operation on youtube. Think it was pre 50 GM. The safety concerns or lack therof are similar. These huge stamping machines are lined up with a guy standing between a pair of them. Looks like maybe a foot clearance on either side. He steps in and positions something, moves a step back and both machines slide in. He would surely pay dearly if his body was not precisely positioned when the machines moved.