Gear Reduction Assembly for Azimuth Drive Units

Product Specifications

Technical details and manufacturing context for Gear Reduction Assembly

Definition

The Gear Reduction Assembly is a component used in machinery and equipment manufacturing, specifically as part of an Azimuth Drive Unit. It provides precise speed reduction and torque multiplication for rotational positioning systems. The assembly typically consists of multiple gear stages arranged in a compact housing, enabling it to achieve high reduction ratios while maintaining a small footprint. It is designed to handle rated torques from 50 to 500 N·m, with reduction ratios ranging from 5 to 100. Input speeds can vary between 500 and 3000 rpm, resulting in output speeds from 5 to 600 rpm. The efficiency of the assembly is typically between 90% and 97%, and backlash is kept at or below 0.1 degrees to ensure accurate positioning. Noise levels are limited to 70 dB(A) or less, and the operating temperature range is -20°C to 80°C. The housing is made of HT250 cast iron, while gears are made of 20CrMnTi carburized steel. The assembly weighs between 10 and 150 kg, and its service life is estimated at 10,000 to 20,000 hours under rated load and proper maintenance. It is rated IP54 to IP65 for dust and water resistance. Materials used include alloy steel, case-hardened steel, and bronze for bushings and bearings. The assembly is designed to meet ISO 6336 for gear strength and ISO 1328 for backlash, and noise is measured according to ISO 3744. The IP rating follows IEC 60529, and housing and gear materials conform to GB/T 9439 and GB/T 3077 respectively. It is important to verify model-specific values and standards with the legal manufacturer or supplier before procurement.

Working Principle

The Gear Reduction Assembly operates on the principle of mechanical advantage achieved through multiple gear stages with different tooth counts. Input rotation enters at high speed and low torque, and as it passes through successive gear meshing, the speed is reduced while torque is increased. The ratio of input to output speed is determined by the gear tooth ratios. This allows the assembly to provide precise speed reduction and torque multiplication for rotational positioning systems, enabling controlled movement of heavy loads.

Common Materials

Alloy Steel, Case-Hardened Steel, Bronze (for bushings/bearings)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Torque	50–500 N·m	Exceeding rated torque may cause gear tooth breakage.ISO 6336
Reduction Ratio	5–100	Higher ratios reduce output speed and increase torque.
Input Speed	500–3000 rpm	Exceeding max input speed may cause overheating.
Output Speed	5–600 rpm	Calculated from input speed and reduction ratio.
Efficiency	90–97 %	Lower efficiency indicates higher power loss.ISO 6336
Backlash	≤0.1 °	Tighter backlash improves positioning accuracy.ISO 1328
Noise Level	≤70 dB(A)	Higher noise may indicate gear wear or misalignment.ISO 3744
Operating Temperature	-20–80 °C	Outside this range, lubricant performance degrades.
IP Rating	IP54–IP65	Higher IP rating ensures better dust and water resistance.IEC 60529
Housing Material	HT250	Cast iron provides strength and vibration damping.GB/T 9439
Gear Material	20CrMnTi	Carburized steel for high surface hardness and wear resistance.GB/T 3077
Weight	10–150 kg	Heavier units may require additional structural support.
Service Life	10000–20000 h	Under rated load and proper maintenance.ISO 6336

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Input Shaft Part
Receives rotational input from drive motor

Material: Alloy Steel
Output Shaft Part
Delivers reduced speed/increased torque to load

Material: Alloy Steel
Gear Set
Multiple gear pairs providing speed reduction stages

Material: Case-Hardened Steel
Housing Part
Encloses and supports all internal components

Material: Cast Iron or Aluminum Alloy
Bearings
Support rotating shafts and reduce friction

Material: Steel with bronze cages

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Gear Reduction Assembly.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Azimuth Drive Unit

View system integration details

Manufacturers of Gear Reduction Assembly

Manufacturer profiles associated with Gear Reduction Assembly.

Sourcing Gear Reduction Assembly from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What is the typical reduction ratio range for this gear reduction assembly?

The reduction ratio ranges from 5 to 100, as listed in the directory. Higher ratios reduce output speed and increase torque. The exact ratio for a specific model should be confirmed with the manufacturer.

What materials are used in the construction of this assembly?

The housing is made of HT250 cast iron, and gears are made of 20CrMnTi carburized steel. Additionally, alloy steel, case-hardened steel, and bronze are used for various components such as bushings and bearings.

What is the maximum input speed allowed?

The input speed range is 500 to 3000 rpm. Exceeding the maximum input speed may cause overheating. Always operate within the specified range and verify the exact limit for your model.

How is backlash controlled in this assembly?

Backlash is kept at or below 0.1 degrees, which helps improve positioning accuracy. This is achieved through precise gear manufacturing and assembly. The standard referenced is ISO 1328.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Buyer enquiry

Request manufacturing insight for Gear Reduction Assembly

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	Max 10 bar (145 psi) at input shaft
other spec:	Max input speed: 3000 RPM, Max torque output: 500 Nm
temperature:	-20°C to 120°C

Gear Reduction Assembly

Product Specifications

Industry Taxonomies & Aliases

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards