1.5 ID exhaust flange

Hi Rod,

This is a common question.  It is a more precise and efficient way for laser cutters to work.  When a part is laser cut, it is billed by the amount of seconds it takes to cut the part. It is more efficient for the laser to cut a continuous cut.  If the laser must plunge a hole, then it has to pause to heat a spot to cut the blind hole, it takes more time and it also has a higher chance to blow out more material than desired.

Lastly, with cutting the flange and having the mounting hole with the slot, there is no structural problems or weakness caused.

Thanks, Andy