Hans Grass

Hans Grass is vice president, Machine Tool Group, Star SU LLC (Bio last updated 2015-09-01 Contact Randy Stott, Managing Editor, with changes.)

Articles by Hans Grass

  • Liebherr - Barber Colman Hob Settings (September/October 2015)
    I would like some instructions for setting the degrees and minutes on a Liebherr or Barber Colman hob. Our machines use a Vernier scale to match the lead angle of the cutter to the part to form straight teeth. There is a dispute on how to do this task, and I wanted insight from another professional.