Bevel gear screw jack (translating screw)
7.5 - 100 ton | BB series JOYCE

Joyce Bevel Ball Actuators (BB), available in 7.5-ton to 100-ton static capacities, are designed for near-continuous duty operation. These are Joyce's fastest jacks, able to attain travel speeds of 48.6 feet per minute. Available in Translating and KFTN designs, bevel ball actuators act as miter boxes, making them an ideal choice for multi-jack systems. As many as three output shafts may be specified for mounting motors, limit switches, readout devices and other accessories.

Higher speeds and less heat generation than other mechanical actuators
Require a brake or other external locking device to hold position
More precise positioning and repeatability than hydraulic cylinders
Fully predictable J-10 ball nut life expectancy
Right hand screws standard (left hand screw available)
Threaded end conditions standard (load pad, clevis, and plain end condition available)
Protective boots and other options are available