Products / Motion Control

Worm Geared Electric Motors

Compact gear motors engineered for high speed reduction, right-angle transmission, and controlled torque delivery.

Delco Worm Geared Electric Motor assembly detail Delco Fans since 1974 quality mark
Industrial Product Overview

High Reduction & Reliable Torque Output for OEM Machinery

DELCO Worm Geared Electric Motors combine continuous-duty electric motors with precision-ground worm gearboxes. Built to deliver smooth operation, high speed reduction ratios, and dependable low-speed torque across demanding industrial and OEM applications.

Designed for space-constrained installations where right-angle drive configurations and low noise operational integrity are paramount. Manufactured in-house with full control over winding, gear mesh alignment, and quality verification.

Key Engineering Advantages

  • High single-stage reduction ratios in an ultra-compact right-angle footprint
  • Self-locking security options to prevent unwanted load back-driving
  • Precision gear mesh design for minimal backlash and exceptionally low noise
  • Engineered for both continuous (S1) and heavy intermittent (S3) duty cycles
  • Flexible mounting flanges with hollow shaft or solid shaft options
Performance Characteristics

Technical Capabilities & Design Excellence

Our worm geared motors are engineered to solve tough power transmission challenges inside automation equipment, conveying systems, and commercial machinery.

High Torque Density

Maximum torque output from a minimal mounting footprint, allowing OEMs to streamline equipment chassis dimensions without sacrificing power.

Self-Locking Options

High reduction ratios (30:1 and above) naturally resist reverse driving, providing mechanical hold security for holding applications.

Smooth & Quiet Meshing

High-grade bronze worm wheel and hardened alloy steel worm shaft pairing deliver friction-minimized, smooth sound profile operation.

Thermal Endurance

Designed with Class F or H copper motor windings and die-cast housing ribs for effective heat dissipation during continuous continuous duty.

Leak-Proof Sealing

Synthetic lubrication and premium double-lip oil seals prevent oil leakage and enable multi-directional gearbox orientation mounting.

Custom Mechanical Interfaces

Tailor-made shaft diameters, keyways, hollow output bores, and customized mounting flange patterns built to exact OEM CAD drawings.

Technical Specifications

Worm Geared Motor Specification Matrix

General technical parameters for standard product families. Parameters can be adapted to match specific OEM load requirements.

Parameter Standard Range / Specification Custom OEM Options
Voltage / Frequency 115V / 230V Single Phase, 415V Three Phase (50Hz / 60Hz) Dual voltage, custom DC or low voltage AC windings
Reduction Ratios 5:1 to 100:1 (Single Stage) Multi-stage combination ratios up to 1000:1
Output Speed 14 RPM to 280 RPM (at 1400 RPM input speed) Customized matching for specific duty cycles
Output Shaft Options Right-angle solid single/double shaft or hollow bore with keyway Special shaft extensions, splines, or flat slots
Housing Material Die-cast Aluminium alloy or heavy-duty Cast Iron Special corrosion-resistant powder coatings
Duty Cycle Continuous S1 Duty / Intermittent S3 Duty Thermal protection switches (PTO / PTC thermistors)
Insulation Class Class F (155°C rise) standard Class H (180°C rise) for high ambient duty
OEM Engineering

OEM Customization & Tailored Solutions

Delco specializes in custom motion designs. Our engineering desk works directly with overseas purchasing and engineering teams to supply drop-in replacements or brand-new geared motor configurations.

CUSTOM OPTION 01

Winding & Power Rating

Customized motor torque curves, speed profiles, and electrical insulation tailored for global power grids.

CUSTOM OPTION 02

Gear Ratio & Lubrication

Specific reduction ratios paired with synthetic food-grade or high-temperature greases.

CUSTOM OPTION 03

Shafts & Mountings

Specialized output shafts, hollow bore keyways, torque arms, and NEMA / IEC compatible flanges.

CUSTOM OPTION 04

Environmental Sealing

IP55 to IP65 ingress protection, anti-corrosive hardware, and tropicalization treatments.

Technical FAQ

Frequently Asked Questions

Key answers regarding worm geared motor selection, self-locking features, and custom ordering.

Worm Geared Motors are ideal for low-speed, high-torque industrial applications requiring right-angle power transmission, high single-stage reduction ratios, and space-saving compact envelopes. They excel in conveyors, dispensers, actuators, and packaging machinery.
Yes, self-locking capability is available on specific gear ratios (typically ratios higher than 30:1), preventing the output shaft from back-driving the motor when de-energized. This is highly useful for inclined conveyors or lifting mechanisms.
Yes, our worm geared motors are engineered with heavy-duty thermal insulation, optimized synthetic lubrication, and precise gear meshing for continuous (S1) or intermittent (S3) duty cycles under demanding industrial conditions.
Delco provides custom gear ratios, custom voltage/frequency windings, hollow or solid output shaft profiles, keyways, special mounting flanges, high-temperature seals, and special industrial surface coatings to meet exact drawing parameters.

Request Technical Specifications & OEM Pricing

Contact our engineering desk today for custom CAD drawings, load curve consultations, or volume catalog requests.

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