Use: Allows positioning heavy overhanging loads on a plate bracket fastened between the jack and the ball carriage, which controls both the load and accuracy, while adjustment occurs by means of the jack/rack system.
State of supply Complete with 1 reinforced drive rack jack (see Part 4678), 1 ball guide (see Part 4737), 2 clamps for rack/track bracket fitting in shot peened aluminium.
The supply does not include the fastening bracket. Fitting indication
Characteristics: The brake eliminates loss of position caused by external factors (e.g. vibrations).
Warning: If you use the knob for movement, the brake does not fully lock the position in order to protect the internal transmission devices.
Standard pack: 1 piece.
TECHNICAL DATA:
Max. nominal torque transmissible: 12 Nm
Rack's travel per turn: 1 knob turn
= 8 mm of rack travel.
STEP-BY-STEP (NO Continuous operation).
On/off ratio=1/30
Maximum uninterrupted operation: 1 min.
Manual drive, if motor-driven max.
120 rpm.