Hollow Shaft Right Angle Geared Motor
The G Series Hollow Shaft Right Angle Geared Motor combines a compact 90° helical-worm transmission design with a hollow output shaft for direct coupling to driven machine shafts, eliminating the need for external couplings.
Product Overview
The G Series Hollow Shaft Right Angle Geared Motor combines a compact 90° helical-worm transmission design with a hollow output shaft for direct coupling to driven machine shafts, eliminating the need for external couplings. Engineered as an ideal dimensional replacement for standard European right-angle gear units, this integrated drive assembly offers exceptional space-saving capability and flexible mounting versatility for global OEM machinery and replacement projects.
Technical Specifications
|
Parameter |
Specification |
|
Product Type |
Hollow Shaft Right Angle Geared Motor |
|
Series |
G Series |
|
Transmission Type |
High-Efficiency Helical-Worm Combination |
|
Shaft Arrangement |
90 Degree Perpendicular Input and Output |
|
Output Shaft Type |
Keyed Hollow Shaft / Shrink-Disk Hollow Shaft |
|
Housing Material |
High-rigidity HT250 Cast Iron |
|
Gear Processing |
20CrMnTi Alloy Steel: Carburizing, Quenching, Precision Grinding |
|
Ambient Temperature / Altitude |
-10°C to +40°C / Up to 1,000 meters above sea level |
Technical Advantages
Direct Drive Design: Hollow shaft eliminates external flexible couplings, chain drives, belt guards, and alignment issues.
Right-Angle Layout: 90° perpendicular geometry optimizes footprint in tight machinery frames.
High Load Capacity: Ground gear profiles and reinforced bearings sustain continuous duty with high overhung load resistance.
Versatile Mounting: Multiple shaft styles and flange standards simplify design integration across diverse machinery platforms.
Quiet & Smooth Operation: Helical-worm gearing provides smooth power transfer with minimal noise and vibration.
Industrial Applications
Belt & Chain Conveyors: Direct right-angle drive arrangement for material handling systems.
Packaging Machinery: Drives rotary indexing tables, sealing sections, and positioning conveyors.
Agitators & Mixers: Hollow-shaft drive for vertical/horizontal mixing shafts in chemical and food processing.
Material Handling & Hoists: Compact transfer drives for automated storage, retrieval systems, and overhead cranes.
Agricultural Machinery: Heavy-duty right-angle power transfer for feeders, sorters, and processing equipment.
Gear Unit Construction
Optimum Thermal Dissipation: Rigid housing geometry designed for maximum oil sump cooling efficiency.
Advanced Metallurgy: Helical gears and worm shafts made from 20CrMnTi steel, heat-treated via gas carburizing (HRC 58 to 62).
High-Precision Bearings: Premium SKF/NSK or equivalent tapered roller and deep-groove bearings.
Double-Lip Seals: FKM/NBR radial oil seals prevent lubricant leakage and block ingress of ambient contaminants.
Installation Requirements
- Ensure the driven shaft tolerance matches recommended fits (ISO h6 for shrink disks; ISO k6/m6 for keyed shafts).
- Align driven shafts carefully to avoid pre-loading output bearings during tight-fit insertion.
- For shrink-disk units, ensure shaft surface is completely free of grease, paint, or burrs before tightening disk clamping bolts in sequence.
- Dimensional 2D CAD drawings (DWG/DXF) and 3D CAD STEP files are available upon request for machine integration.
Manufacturing Quality
Gear Machining: High-precision CNC gear hobbing, heat treatment (carburizing furnace to 58-62 HRC), and gear tooth grinding (ISO Class 6 precision).
Housing Processing: CNC machining centers process gear housing castings to ensure accurate shaft center distance and bearing bore alignment.
Dimensional Inspection: Coordinate Measuring Machine inspections on gear casing, shaft geometry, keyways, and mounting flanges.
End-of-Line Testing: Every assembled unit undergoes operational testing for noise level, oil sealing, vibration, and thermal performance prior to dispatch.
Quality Documentation: ISO9001 quality certificates, CE declarations of conformity, mill test certificates, and full inspection reports supplied upon request.
Frequently Asked Questions
Q: How do I select the hollow shaft bore?
A: Match the bore with the driven shaft diameter and confirm shaft tolerance, keyway and insertion length.
Q: Which mounting configuration should I choose?
A: Select the configuration according to the machine structure, shaft connection and available mounting interface. Shaft-mounted, B5, B14 and shrink-disk configurations are available.
Q: How do I select the gear ratio?
A: Start with the required output speed, then select a ratio that provides the required speed at the selected motor speed. Rated torque and service factor must also be checked.
Q: How do I check radial load?
A: Calculate the load generated by the pulley, sprocket or gear and compare it with the permissible radial load of the selected gear unit.
Q: Are dimensional drawings available?
A: Yes. The drawing should be confirmed according to the exact gear unit, motor configuration and mounting arrangement.
Q: What information should I provide for model selection?
A: Provide:
Motor power
Required output speed
Working torque
Gear ratio if known
Hollow shaft bore
Radial load
Mounting arrangement
Voltage
Frequency
Quantity
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