Gear Coupling for Hoist

Gear Coupling for Hoist Specification

Thread
Metric or Inch Threaded Holes (as per standards)

Connection
Bolt-On Flange

Sealing
Optional Rubber or Metal Gasket

Head Code
Round Flanged

Bore
Customizable as per Shaft Size

Torque
200 Nm to 25000 Nm

Max. Speed
Up to 6000 RPM

Material
Alloy Steel / Carbon Steel / Stainless Steel

Structure
Flexible Gear Coupling

Standard
AGMA, IS or DIN Standard

Inner Diameter
30 mm to 200 mm (Customizable)

Outer Diameter
50 mm to 300 mm (Customizable)

Application
Hoist, Crane Machinery, Material Handling Equipment

Surface Treatment
Precision Machined, Anti-corrosive Coating

Technique
Hobbing, CNC Machining

Shape
Cylindrical with Splined Teeth

Customization
Custom bore sizes, keyway and mounting holes available

Lubrication
Grease lubricated (periodic maintenance required)

Temperature Range
-20C to +120C

Safety Feature
Fail-safe coupling design

Misalignment Capacity
Up to 1.5 angular, up to 0.5 mm parallel

Color
Metallic silver (standard)

Hardness
HRC 58-62 (teeth surface)

Weight
Varies by size, typically 3 kg to 25 kg

Usage
Transmission of high torque in hoist and crane drives

Balancing
Dynamically balanced for high speed

Maintenance
Easy assembly and disassembly, replaceable sleeves

Noise Characteristics
Low noise operation under load

Type
Full Gear Coupling

Corrosion Protection
Phosphating or zinc-plating as required

Gear Coupling for Hoist About

Brake Drum Coupling for EOT Crane

Product Description:
The Brake Drum Coupling for EOT Crane is a precision-engineered mechanical component that combines the functions of a coupling and brake drum in one compact unit. It is designed to connect the motor and gearbox shafts while simultaneously providing a braking surface for the application of mechanical or electromagnetic brakes.

Made from high-grade cast iron or steel, the brake drum coupling ensures high strength, accurate alignment, and vibration-free performance. It is widely used in EOT cranes, hoists, and material handling machinery where smooth torque transmission and reliable braking are essential.

Engineered for Demanding Hoist Applications

Built to meet the rigorous standards of AGMA, IS, and DIN, our gear couplings ensure the reliable transmission of high torque in hoists, cranes, and material handling machinery. Precision CNC machining, a fail-safe design, and industry-standard finishes ensure maximum performance and operational safety even under continuous and fluctuating loads.

Precision and Customization as Standard

We offer customizable bore diameters between 30 mm to 200 mm and outer diameters from 50 mm to 300 mm, ensuring a perfect fit for your unique hoist application. Options such as various keyways, mounting holes, and both metric and inch threads mean seamless integration into existing machinery.

Durability Combined with Easy Maintenance

The coupling's surface is treated for corrosion resistance, whether you choose phosphating or zinc plating. Its grease-lubricated design with replaceable sleeves simplifies maintenance and extends operational life, supporting efficient assembly and disassembly for minimal downtime.

FAQ's of Gear Coupling for Hoist:

Q: How does the full gear coupling accommodate misalignment in hoist applications?

A: The full gear coupling tolerates up to 1.5 degrees of angular misalignment and up to 0.5 mm of parallel misalignment, compensating for shaft misalignments that occur during hoist or crane operation. This flexibility ensures smooth torque transmission and reduces stress on connected machinery.

Q: What are the lubrication and maintenance requirements for this gear coupling?

A: The coupling is grease-lubricated and requires periodic maintenance to ensure optimal performance. Regular inspection and timely re-lubrication help maintain low noise operation, protect moving parts, and extend the service life of both the coupling and your machinery.

Q: When should the sleeves or gaskets be replaced?

A: Sleeves and optional rubber or metal gaskets should be checked during routine maintenance. Replace them if significant wear, leakage, or damage is observed to maintain the coupling's performance and prevent potential equipment failure.

Q: Where can this coupling be used beyond hoists?

A: While optimized for hoist and crane drives, this gear coupling is also suitable for general material handling, lifting machinery, and other high-torque industrial applications where reliable, flexible shaft connections are essential.

Q: What benefits does dynamic balancing provide in this coupling?

A: Dynamic balancing ensures stable operation up to 6000 RPM by minimizing vibrations at high speed. This results in smoother machinery performance, reduced wear, and lower noise levels during heavy-duty lifting tasks.

Q: How can I customize the coupling for my specific requirements?

A: You can specify custom bore sizes, keyways, mounting holes, surface treatments, and optional sealing gaskets. Our team manufactures to precise specifications to suit diverse shaft sizes, mounting methods, and protection needs.

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