Rotary Table Worm Gear

Name: Rotary Table Worm Gear | Industrial-Grade Mechanical Gear Assembly - Frigate
Price: 249.00 USD
Availability: InStock

A Rotary Table Worm Gear is critical for precision angular motion in high-load rotary systems. Conventional setups often face backlash, thermal instability, wear, and torque ripple—resulting in inconsistent indexing and alignment errors. Our Rotary Table Worm Gear addresses these issues with a mechanically optimized architecture for tight positioning tolerances, high rigidity, and repeatable torque performance under dynamic load conditions.

Material

Worm Gear – Phosphor Bronze (C54400) / Aluminum Bronze; Worm Shaft – Case-Hardened Steel (20MnCr5) / Stainless Steel (17-4PH)

Dimensional Tolerances

Tooth Profile – AGMA Class 8-10; Bore Tolerance – H7 (ISO 286); Mounting Face Runout – ≤0.02 mm

Number of Teeth

20–120 teeth (Custom ratios available)

Mounting Features

Bore Size – 10–150 mm (+0/-0.015 mm); Keyway – ISO 7738 (JIS B 1301); Bolt Circle – ±0.03 mm position

Module/Diametral Pitch

Module – 1–6 mm (metric); Diametral Pitch – 20–4 DP (imperial)

Product Description

Backlash leads to angular positioning errors during load reversals. The Rotary Table Worm Gear features a preloaded dual-lead worm shaft that compensates for axial clearance. This differential tooth lead geometry maintains flank contact during direction changes, reducing backlash to under 3 arc minutes. The result is high repeatability in servo-controlled indexing applications, even after extended usage.

Pressure Angle

14.5° (standard), 20° (high-load), or 25° (high-precision)

Tooth Profile & Lead Accuracy

Profile Tolerance – DIN 3962 Class B; Lead Error – ≤0.01 mm/100 mm

Surface Finish

Tooth Flanks – Ra ≤0.4 µm (ground/honed); Non-contact – Ra ≤1.6 µm

Hardness

Gear Tooth Flanks – 80–100 HB (bronze); Worm Shaft – 58–62 HRC (case-hardened)

Certification Standards

AGMA 2008-B89, DIN 3974, ISO 1328, JIS B 1702

Technical Advantages

Conventional gear systems often fail under high torque due to limited tooth contact and material fatigue. Our Rotary Table Worm Gear employs a wide-face bronze wheel and deep-envelope worm profile, maximizing load-bearing flank engagement. This design achieves higher torque throughput with uniform wear characteristics, ideal for rotary tables in machining centers and aerospace fixtures.

Heat buildup from continuous operation can lead to backlash growth and thermal misalignment. The Rotary Table Worm Gear uses thermally matched worm and wheel materials, along with expansion-tolerant bearing assemblies. Optional integrated lubrication channels and heat-dissipating housings maintain dimensional integrity during long duty cycles and fluctuating ambient temperatures.

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Industry Applications

Coordinate Measuring Machines (CMMs)

Supports accurate rotary positioning of parts with minimal angular deviation for dimensional inspection in metrology-grade environments.

Welding Positioners

Provides stable rotational control under high static loads, ensuring precise joint alignment during multi-axis welding operations.

Semiconductor Wafer Handlers

Facilitates high-resolution, vibration-free rotation for wafer alignment and inspection under cleanroom conditions with thermal stability.

Aerospace Component Assembly

Delivers accurate rotation of heavy fixtures and jigs, maintaining positional repeatability during critical fastening and alignment procedures.

Optical Device Calibration Benches

Supports micro-rotation of lens or sensor assemblies with low torsional play, essential for fine optical path alignment.

Automated Test Equipment (ATE)

Controls part rotation during electrical or mechanical testing cycles, requiring consistent angular precision and minimal positioning lag.

Vibration Control in Servo-Driven Rotary Table Worm Gear Assemblies

In servo applications, gear vibration can cause positioning drift or gain instability. The Rotary Table Worm Gear system uses a rigid single-shaft worm with duplex angular contact bearings to eliminate torsional play. Combined with harmonically damped gear housing, it enables smooth, stable rotation at high accelerations, critical for CNC rotary tables and optical metrology platforms.

Gear surface degradation limits service life and repeatability. The Rotary Table Worm Gear integrates a case-hardened alloy steel worm with a centrifugally cast bronze wheel, engineered for low-friction contact and long-term durability. Optimized tooth geometry and filtered lubrication channels reduce scuffing and wear, extending operational intervals between maintenance cycles.

Having Doubts? Our FAQ

Check all our Frequently Asked Question

How does Frigate ensure low backlash in rotary table worm gears during reverse motion cycles?

Frigate uses precision-machined dual-lead worm shafts with adjustable axial preload. This design maintains continuous tooth contact, even under torque reversals. It reduces lost motion and improves repeatable angular positioning. All backlash values are verified during assembly using calibrated torque and angle sensors.

What kind of lubrication systems does Frigate use for extended rotary worm gear life?

Frigate integrates sealed lubrication chambers with internal baffle galleries to guide oil flow across high-wear regions. This prevents dry spots and ensures uniform lubrication. The system is closed-loop to avoid contamination. It supports longer maintenance intervals and consistent performance in continuous-duty applications.

How does Frigate handle thermal expansion in high-speed rotary worm gear tables?

Frigate uses matched thermal expansion materials for worm and wheel components. Expansion is managed through floating bearing mounts and precision shims. This prevents axial load shifts and backlash growth during operation. Finite Element Analysis (FEA) is used to simulate temperature gradients in real use cases.

What quality control steps does Frigate follow for worm gear alignment and meshing accuracy?

Frigate performs laser-based alignment checks on worm-wheel assemblies to verify center distance and mesh depth. Contact patterns are inspected using marking compound under full preload. Deviations beyond tolerance are corrected using micro-adjustment jigs. This process ensures uniform torque transfer and long wear life.

Can Frigate customize worm gear parameters for unique load or duty requirements?

Yes, Frigate offers custom worm profiles, lead angles, and gear ratios based on load torque, duty cycle, and positional accuracy needs. Material selection and tooth geometry are optimized using simulation tools. Custom housings and mounting flanges are also supported. This allows full integration into customer-specific rotary systems.

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LOCATIONS

Global Sales Office

818, Preakness lane, Coppell, Texas, USA – 75019

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

Rotary Table Worm Gear

Material

Dimensional Tolerances

Number of Teeth

Mounting Features

Module/Diametral Pitch

Product Description

Pressure Angle

Tooth Profile & Lead Accuracy

Surface Finish

Hardness

Certification Standards

Technical Advantages

Let's Get Started

Industry Applications

Vibration Control in Servo-Driven Rotary Table Worm Gear Assemblies

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LOCATIONS

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Operations Office

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Company

Rotary Table Worm Gear

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Rotary Table Worm Gear

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