INDUSTRY COMPONENT

Drive Gear

A precision gear component that transmits rotational motion and torque in rotary table assemblies for industrial machinery.

Component Specifications

Definition
The Drive Gear is a critical mechanical component within Rotary Table Assemblies, designed to convert input rotational energy into controlled output motion through precise tooth engagement. It serves as the primary power transmission element, ensuring accurate angular positioning and smooth operation in indexing, machining, and assembly applications. This component typically features hardened teeth with specific pressure angles and profiles to minimize backlash and wear while maximizing torque capacity.
Working Principle
Operates on the fundamental principle of gear meshing, where teeth on the drive gear engage with teeth on a driven gear or rack to transfer rotational motion and torque. The gear ratio determines speed reduction/increase and torque multiplication. In rotary table applications, it converts continuous input rotation into precise intermittent or continuous output rotation through controlled tooth engagement, often incorporating anti-backlash mechanisms for positional accuracy.
Materials
Typically manufactured from alloy steels (AISI 4140, 4340) or case-hardened steels (20MnCr5) with surface hardening (carburizing, nitriding) to 58-62 HRC. High-precision applications may use stainless steels (17-4PH) or specialty alloys. Tooth surfaces often receive additional treatments like black oxide coating or phosphate coating for corrosion resistance and wear reduction.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Module1.5-4 mm
Backlash0.05-0.15 mm
Face Width20-80 mm
Core Hardness30-40 HRC
Accuracy GradeISO 1328 Class 6-8
Pressure Angle20°
Number Of Teeth24-120
Surface Hardness58-62 HRC
Maximum Torque Capacity200-2000 Nm

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

Standards
ISO 1328, DIN 3962, AGMA 2000, JIS B 1702

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Tooth fatigue failure under cyclic loading
  • Wear-induced backlash increase affecting precision
  • Misalignment causing uneven load distribution
  • Lubrication failure leading to accelerated wear
  • Contamination causing abrasive damage
FMEA Triads
Trigger: Inadequate lubrication or incorrect lubricant type
Failure: Accelerated wear, scoring, and eventual tooth fracture
Mitigation: Implement scheduled lubrication maintenance, use recommended lubricants, install lubrication monitoring systems
Trigger: Misalignment during installation or operation
Failure: Uneven load distribution, premature wear, noise generation
Mitigation: Use precision alignment tools during installation, implement regular alignment checks, incorporate flexible couplings
Trigger: Overloading beyond design specifications
Failure: Tooth bending fatigue, surface pitting, catastrophic failure
Mitigation: Install torque limiters, implement load monitoring systems, provide operator training on capacity limits

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Tooth profile tolerance: ±0.01 mm, Pitch error: ≤0.02 mm, Runout: ≤0.03 mm
Test Method
Coordinate measuring machine (CMM) inspection, gear rolling test, hardness testing (Rockwell C), surface roughness measurement, ultrasonic testing for internal defects

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.

Manufacturers of Drive Gear

4 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Jiangsu Guorui Hydraulic Machinery Co., Ltd.
Jiangsu, CN
Founded 1986340 plus staff120,000㎡
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Cyclo Drive Gear Reducer”
View source page ↗ grhcn.net · checked 2026-08-26
Hanzhen Harmonic Drive Gear
Beijing, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “harmonic drive gear”
View source page ↗ hanzh.com · checked 2026-08-27
HANZHOU CANDID I/E CO.,LTD
Hangzhou, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Shaft For Small Drive Gear”
View source page ↗ china-equipments.com · checked 2026-08-28
WSF Technology Co., Ltd.
Anhui, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “External Drive Gear Pump”
View source page ↗ wsfkj.com · checked 2026-09-01

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

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Frequently Asked Questions

What is the typical service life of a drive gear in rotary table applications?

Properly maintained drive gears typically last 10,000-50,000 operating hours depending on load conditions, lubrication quality, and environmental factors. Regular inspection and preventive maintenance can extend service life significantly.

How do I select the right drive gear for my rotary table application?

Selection requires analysis of torque requirements, speed ratios, accuracy needs, environmental conditions, and compatibility with existing components. Key parameters include module size, number of teeth, material grade, hardness specifications, and backlash tolerance matching your application's precision requirements.

What maintenance is required for drive gears?

Regular lubrication with appropriate gear oils (ISO VG 68-220), periodic inspection for wear patterns (pitting, scoring, tooth deformation), backlash measurement, and alignment verification. Contamination prevention and proper load distribution are critical for optimal performance.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

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