Gripper jaws can be a great way of getting round part movement in roughing operations, this is by use of teeth in the jaw which bite into the material. This biting can also be a great way to get round problems using black bar or other rough material....
Used MRAD Pneumatic Shock Machine, Model 2424 (500) PAPC, Serial No 218 – 170, Table size 24 x 24, Weight 450lbs, Maximum specimen weight 550lbs, Maximum specimen height - no limit, Maximum specimen size 30" x unlimited, Velocity change, standard ...