(2) Configurations and Designs * US: Upright mount, Translating Screw. * IS: Inverted mount, Translating Screw. * UR: Upright mount, Rotating Screw with lifting nut. * IR: Inverted mount, Rotating Screw with lifting nut. * UK: Upright mount, Anti-rotation Screw (Square tube and nut). * IK: Inverted mount, Anti-rotation Screw (Square tube and nut). * Important Note: The lifting ball screw of a translating screw jack must be attached to the guided load which prevents the lifting ball screw from rotating. To add the linear guides, rails or rolls are recommended. * Important Note: If your application involves a load which is unattached, unguided or the load is free to rotate and not translate, then an anti-rotation screw jacks with square tubes and nuts are required to prevent lifting ball screw rotation. * Important Note: Without self-locking, may lower under load. Brake motors or external locking devices are recommended.
(3) Stroke and (5) Screw End Fittings * Stroke is travel expressed in millimeter(mm) or inches and not the actual screw length. * Standard Screw End Fittings: top plate(load pad), clevis end(male clevis), plain end, threaded end. Also rod end, and fork head(female clevis) are available. Custom screw ends are acceptable.
(6) Input Shaft Codes
(7) Gears Mounting Positions
(8) Additional Accessories * Motorized driven (AC or DC) by asynchronous motors (normal, YEJ brake, YVP variable frequency, B explosion proof, D multi-speed), stepper motors, servo motors with encoders and controllers. IEC motor flange or NEMA C-Face motor adapter for connect with motors. Frequency inverters. * Manually operation by Aluminum handwheels, or Cast iron handwheels. * Connection Devices: Couplings. Universal joints. Telescopic universal joints. Connecting shafts. * Screw Protective Devices: Bellows boot. Telescopic spring covers. Rigid Protective tubes. * Safety Devices: Limit switches. Proximity switches. Safety nuts. Anti-backlash nut. Overload safety couplings. Stop nuts. Position Encoders. Overload clutch. Brake motor. Linear braking elements. Wear detection/monitors. Linear guides and rails. Potentiometer. Pressure sensor. * Others Accessories: Travel nuts. Position indicators. Trunnion adapter plates. Trunnion mounting brackets. Pillow blocks. Flange blocks. Rod end bearings.
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