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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

Aluminum Flexible Clamp Coupling

Product Overview

The Aluminum Flexible Clamp Coupling is a high‑precision, lightweight shaft‑transmission accessory specially designed for motor‑hydraulic pump connection inside the bell housing, widely used in industrial hydraulic system and all kinds of automated Machine.

The coupling hub is made of high‑strength aluminum alloy, matched with an elastic polyurethane spider insert and double‑sided clamping locking structure. It transmits torque with zero‑backlash, absorbs vibration and shock during operation, and compensates for minor radial, axial and angular misalignment between motor shaft and pump shaft. With the advantages of light weight, low rotational inertia, anti‑corrosion and excellent heat dissipation, it provides stable, quiet and reliable power transmission for hydraulic power‑pack units, hydraulic stations and other hydraulic‑driven equipment.

Technical Specifications

‑ Product Name: Aluminum Flexible Clamp Coupling

‑ Hub Material: High‑strength aluminum alloy

‑ Elastic Insert Material: Polyurethane (PU)

‑ Locking Type: Clamp‑hoop friction locking, no set‑screw

‑ Working Feature: Zero‑clearance torque transmission, vibration‑damping, misalignment compensation

‑ Surface Treatment: Anodized anti‑oxidation finish

‑ Matching Parts: Perfectly fitted with motor‑pump bell housing, hydraulic pump and electric motor

‑ Application Scenario: High‑speed, frequent start‑stop working conditions of industrial Machine

Working Principle

One aluminum hub of the flexible clamp coupling is firmly clamped on the output shaft of the electric motor, while the other aluminum hub is locked on the input shaft of the hydraulic pump. Torque is transmitted between the two hubs through the middle elastic spider insert.

By tightening the clamping bolts, radial shrinkage force is generated to achieve non‑slip friction locking, no damage to the shaft surface. The elastic insert buffers impact and absorbs vibration during operation, and offsets slight shaft deviation, avoiding rigid stress on motor and pump bearings, so as to keep the whole hydraulic system running smoothly.

Core Advantages

1. Light‑weight aluminum alloy body greatly reduces rotational inertia, ideal for high‑speed and frequent start‑stop operation of hydraulic Machine.

2. Clamping‑hoop zero‑backlash locking design delivers stable torque transmission, effectively preventing shaft slippage.

3. Built‑in flexible polyurethane insert provides excellent shock‑absorbing and noise‑reduction performance, protecting the whole hydraulic system from impact damage.

4. Aluminum anodized surface features good corrosion‑resistance and heat‑dissipation performance, extending the service life of the coupling.

5. Easy installation and disassembly, no key‑way scratching on shafts, convenient for maintenance of motor‑pump assembly.

Application Range

Aluminum Flexible Clamp Coupling is an ideal connecting component between electric motor and hydraulic pump in the hydraulic system. Widely used in hydraulic power‑pack, hydraulic station, injection molding machine, automated production equipment, material‑handling machinery and other industrial Machine. It is the perfect matching accessory for motor‑pump bell‑housing assembly.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

4 year

Address: Ningbo, China

Main Product: hydraulic motor, gear box , hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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