Abrasive belt tube notcher built jointly by my brother and myself. Uses a 7.5hp 3-phase motor to turn a 6″x60″ abrasive belt. It has an X-Y table on the front, with a degree wheel and tubing clamp. It can perfectly miter round steel tubing for joints.
Here’s a video of it coping a tube that’s 1.5″ diameter:
Plans are available for purchase, contact me for pricing.