Worm Gear Screw Jack RN-Series

Product catalog summary

Introduction
The Screw Jack RN-Series offers a range of models with load capacities from 0.5 tons to 100 tons. Key features include a self-locking trapezoidal screw with a maximum stroke of 6000 mm, various mounting options, and multiple top end configurations. The system supports lifting, lowering, pushing, pulling, and rolling linear motions and can be operated electrically, manually, or both. Additional features include an anti-backlash nut device and custom design options. Accessories available include protective tubes, rubber bellows, electric motors, hand wheels, and more. Materials used include steel C45 for the lifting screw and bronze for the worm gear, with optional materials available.

Technical Datasheets
Technical datasheets provide detailed specifications for each model, including dimensions and load capacities.

Selection Guide
The selection guide assists in choosing the appropriate model based on static and dynamic load requirements. It includes considerations for single or multiple jack arrangements, input forms, screw top end types, and gear ratios. Speed options for manual and electric operation are provided, with specific travel rates per full turn or per minute.

Duty & Environment
Details required for duty cycles, ambient temperature, and environmental conditions (clean/dirty, indoor/outdoor) are outlined. Accessories and special working conditions should be discussed with sales or engineers.

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
Dimensions for each model (RN-0.5T to RN-100T) are provided, detailing specific measurements for various parts of the screw jack system.

Catalog excerpts

Screw Jack RN-Series * Introduction Features: * Model: RN-0.5T, 1T, 2T, 3T, 5T, 10T, 15T, 20T, 30T, 40T, 50T, 100T * Load Capacities From 0.5Tons to 100Tons As Standard * Self Locking Trapezoidal Screw, Max Stroke 6000 mm * Upright and 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-backlash 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 Screw: steel C45 (optional: stainless steel) * Worm Gear: bronze (optional: zinc alloy) * Worm Shaft: 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) 0

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Screw Jack RN-Series * Technical Datasheets 1

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Screw Jack RN-Series * Selection Guide 1. Model Selection RN-0.5T,RN-1T,RN-2T,RN-3T,RN-5T,RN-10T,RN-15T,RN-20T,RN-30T,RN-40T,RN-50T,RN-100T Models show max static load (ton). RN-5T,max static load 5 tons. Selecting correct, must consider dynamic load(work load), static load. You must tell us below details: * single jack or multipe jacks system arrangement? * each jack max dynamic load _____ kgs? * each jack max static load _____ kgs? 2. Installation Selection 2

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3. Input Forms Selection 4. Screw Top End Types Selection 5. Gear Ratio Selection Manual Operated N: Fast speed: 1 full turn 1 mm travel M: Mid speed: 1 full turn 0.5 mm travel L: Low speed: 1 full turn 0.25 mm travel Electric Driven (input 1500 rpm) N: Fast speed: 1500 mm/min M: Mid speed: 750 mm/min L: Low speed: 375 mm/min 3

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6. Travel Stroke (mm) 7. Duty&Environment Duty Cycles _________ times per day or _________ times per month Ambient Temperature __________ ℃ Conditions __________ (Clean / Dirty, Indoor / Outdoor) 8. Accessories 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 4

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