Hoist Unit
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This page explains how Gearbox / Reduction Gear is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
A mechanical device that reduces rotational speed while increasing torque within a hoist system.
Technical details and manufacturing context for Gearbox / Reduction Gear
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Rated Power | 0.75–75 kW | Select based on motor power and duty cycleISO 6336 |
| Reduction Ratio | 5–100 | Higher ratio increases torque but reduces speed |
| Output Torque | 50–5000 N·m | Ensure sufficient torque for hoisting loadISO 6336 |
| Input Speed | 750–3000 rpm | Match motor speed |
| Efficiency | 92–98 % | Higher efficiency reduces energy lossISO 6336 |
| Service Factor | 1.25–2.0 | Higher factor for heavy shock loadsAGMA 2001 |
| Noise Level | 60–75 dB(A) | Lower noise for indoor applicationsISO 8573-1 |
| Operating Temperature | -20–60 °C | Outside range may affect lubrication |
| Ingress Protection | IP54–IP65 | IP65 for dusty or wet environmentsIEC 60529 |
| Housing Material | HT250 | Cast iron for strength and dampingGB/T 9439 |
| Gear Material | 20CrMnTi | Carburized and hardened for wear resistanceGB/T 3077 |
| Weight | 15–500 kg | Consider for mounting and support |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
| pressure: | Ambient atmospheric pressure only (sealed housing) |
| other spec: | Maximum input speed: 1800 RPM, Maximum output torque: 5000 Nm, Lubrication type: Synthetic gear oil ISO VG 320 |
| temperature: | -20°C to +80°C continuous operation, up to +100°C intermittent |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
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The gearbox reduces the motor's high-speed, low-torque output to a low-speed, high-torque output suitable for lifting heavy loads. It transmits power from the motor to the drum or lifting mechanism.
The reduction ratio depends on the required lifting speed and the motor speed. A higher ratio increases torque but reduces speed. Consult the manufacturer's data for your specific application.
Common materials include cast iron for the housing, alloy steel for gears, and bronze for certain components. The specific grades, such as HT250 and 20CrMnTi, are reference values that must be confirmed with the supplier.
Relevant standards include ISO 6336 for gear load capacity, AGMA 2001 for service factors, and IEC 60529 for ingress protection. These are references for procurement and verification, not proof of certification.
This component is essential for the following industrial systems and equipment:
Commonly used trade names and technical identifiers for Gearbox / Reduction Gear.
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