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Screw Jack RNF-Series

Product catalog summary

Introduction
The document introduces the Screw Jack RNF-Series, highlighting its features and specifications. The models range from RNF016 to RNF120, with load capacities from 2.5KN to 500KN. The screw jacks are equipped with a self-locking trapezoidal screw and can have a maximum stroke of 6000 mm. They are available in both upright and inverted mounting configurations and can be used for various linear motions such as lifting, lowering, pushing, pulling, and rolling. The system can be operated electrically, manually, or both, and offers an anti-backlash nut device and custom design options. Accessories include protective tubes, rubber bellows, electric motors, hand wheels, inverters, limit switches, and more.

Materials
The lifting screw is made of steel C45, with an option for stainless steel. The worm gear is made of bronze, and the worm shaft is made of heat-treated steel C45, also with a stainless steel option. Bearings are taper roll bearings, and the housing is made of cast iron, with aluminum as an option for smaller models. Oil sealing options are available for high or low temperatures.

Technical Datasheet
The document includes a technical datasheet, although specific details are not provided in the text.

Selection Guide
The guide covers model selection, installation selection, gear ratio selection, input forms selection, screw top end types selection, duty and environment selection, travel stroke, and accessories selection. It provides options for manual and electric operation, with different speed settings. The guide also emphasizes the importance of a design application sketch and consulting sales or engineers for special working conditions.

Screw Jack System
The system includes components such as the screw jack, bevel gearbox, motor with worm reducer, gear motor, vertical motor, and foot mount motor.

Dimensions
The document provides dimensions for each model in the RNF-Series, from RNF016 to RNF120, although specific measurements are not detailed in the text.

Catalog excerpts

Screw Jack RNF-Sereis Features: * Model: RNF016, 018, 020, 030, 040, 055, 060, 070, 080, 100, 120 * Load Capacities From 2.5KN to 500KN As Standard * Self Locking Trapezoidal Screw, Max Stroke 6000 mm * Upright a nd Inverted mounting * Top End: Top Plate,Clevis End,Threaded End,Plain End and Forked Head * Lifting, Lowering, Pushing, Pulling and Rolling Linear Motions * Single Unit, In Pairs or Multi-Units Arrangement Available * Electric Driven,Manual Operated or Both Are Available * Anti-back lash Nut Device Available * Special Custom Design Available * Accessories: Protective Tube, Rubber Bellows, Electric Motor, Hand Wheel, Inverter, Limited Switches, Linking Shaft, Coupling, Pillow Block Bearing, Counter, Bevel Gearbox, Swivel Plate and Trunnion Base Materials: * Lifting Sc rew: steel C45 (optional: stainless steel) * Worm Gear: bronze * Worm Sh aft: heated treated steel C45 (optional: stainless steel) * Bearing: taper roll bearing * Housing: casting iron (optional: aluminum for small model) * Oil Sealing (optional: high/low temperature oil sealing)

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Screw Jack RNF -Sereis * Technical Datasheet

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Screw Jack RNF-Sereis

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Screw Jack RNF -Sereis * Technical Datasheet

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Screw Jack RNF -Sereis * Technical Datasheet

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Screw Jack RNF-Sereis NOSEN Worm Gear Screw Jacks RNF-Series

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4. Screw Top End Types Selection (top plate) (clevis end) (threaded end) (plain end) 5. Gear Ratio Selection Manual Operated N: Fast speed: 1 full turn 1 mm travel L: Low speed: 1 full turn 0.25 mm travel Electric Driven (input 1500 rpm) N: Fast speed: 1500 mm/min L: Low speed: 375 mm/min

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7. Duty&Environment Selection Duty Cycles _________ times per day or _________ times per month Ambient Temperature __________ ℃ Conditions __________ (Clean / Dirty, Indoor / Outdoor) 8. Accessories Selection N=Standard jack, no additional options P=Protective tube R=Rubber bellows Y=Hand wheel 9. Design application sketch, very important 10. Special working conditions, please consult sales / engineers

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