China Hot selling CNC Customizable Forged Steel Flexible Jaw Tooth Shaft Gear Couplings

Product Description

CHINAMFG has been engaged in manufacturing of forgings, castings, heat treatment and CNC machining parts since 1999.  

The products materials have passed EN15714-3.1 certification, covering various grades of: low carbon steel, alloy steel, stainless steel, ductile iron, aluminum alloy, copper alloy, titanium alloy. 

The main processes are: free forging, die forging, rolling ring, high pressure casting, centrifugal casting, normalizing, quenching and tempering, solution treatment, aging treatment, carbonitriding, turning, milling, drilling, grinding, hobbing, high frequency quenching, galvanizing, chrome plating, anodizing, powder spraying and other processes.

Rings and plates dimensions: Max 3000mm, shafts length: Max 12000mm, single piece weight: Max 16 Tons, at the same time we are good at terminal machining of complex products, dimension accuracy: Min 0.01mm, roughness: Min Ra0.6. 

Products can be strictly examined by chemical composition, tensile strength, yield strength, reduction of area, impact at low temperature, intergranular corrosion, hardness, metallographic, NDT, size, static balance etc performance parameter. 

Products are widely used in: aerospace, ships, trains, automobiles, engineering vehicles, chemical industry and petroleum refining, wellheads, x-mas tree equipment, mining machinery, food machinery, hydraulic and wind power generation, new energy equipment etc field. 

Welcome to send: PDF, IGS, STP and other format drawings, of course we could also make material judgment and size survey according to your samples. 

With more than 20 years of manufacturing experience and overseas sales team, we have achieved 100% customer satisfaction. The warranty period of products sold is 365 days. We look CHINAMFG to your consultation and cooperation at any time and common prosperity development.

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Key Features to Consider When Purchasing a Jaw Coupling

When purchasing a jaw coupling for a particular application, several key features and factors should be taken into account to ensure optimal performance and reliability:

• Material: Jaw couplings are available in various materials, including aluminum, steel, and stainless steel. The choice of material depends on the application’s specific requirements, such as environmental conditions, torque levels, and chemical exposure.
• Size: Jaw couplings come in different sizes to accommodate various shaft diameters. It is essential to choose the appropriate size that matches the shaft dimensions of the connected equipment.
• Torque Rating: Consider the torque requirements of the application and ensure that the selected jaw coupling can handle the expected torque levels without causing premature wear or failure.
• Speed Rating: Check the coupling’s speed rating to ensure it can handle the rotational speed of the application without generating excessive heat or vibration.
• Misalignment Capability: Assess the jaw coupling’s ability to accommodate angular, parallel, and axial misalignment between the shafts to prevent excessive stress on connected equipment.
• Backlash: Consider the level of backlash or play in the coupling. Low backlash couplings are suitable for precision applications, while higher backlash may be acceptable for general power transmission.
• Torsional Stiffness: For applications that require accurate motion control and minimal torsional wind-up, select a jaw coupling with adequate torsional stiffness.
• Environmental Factors: Consider the operating environment, including temperature, humidity, and exposure to chemicals or corrosive substances. Choose a coupling that can withstand the environmental conditions of the application.
• Installation and Maintenance: Check the ease of installation and maintenance requirements of the jaw coupling to ensure smooth integration into the system and reduce downtime during maintenance.
• Manufacturer Reputation: Purchase jaw couplings from reputable manufacturers known for producing high-quality, reliable products with a history of successful applications in various industries.

By carefully considering these key features, buyers can select the most suitable jaw coupling for their specific applications, ensuring efficient power transmission and reliable performance of connected equipment.

How do jaw couplings handle axial movement in rotating machinery?

Jaw couplings are primarily designed to handle angular and parallel misalignment between rotating shafts. While they are not specifically designed for axial movement compensation, they can accommodate a limited amount of axial movement under certain conditions.

The ability of a jaw coupling to handle axial movement depends on the specific design of the coupling and the type of elastomer spider used. The elastomer spider serves as the flexible element between the two coupling hubs and is responsible for transmitting torque and compensating for misalignment. Some jaw couplings have an elastomer spider with axial flexibility, allowing the coupling to accommodate minor axial movements while maintaining effective torque transmission.

However, it is essential to note that jaw couplings have limitations regarding axial movement. They are not designed for significant axial loads or axial displacements. Excessive axial movement can lead to premature wear and damage to the elastomer spider, reducing the coupling’s performance and lifespan.

If an application requires significant axial movement compensation, other types of couplings may be more suitable. For instance, flexible beam couplings or bellows couplings are designed specifically to handle axial movement and are often used in applications where axial misalignment is a critical consideration.

In summary, while jaw couplings can handle a certain amount of axial movement, they are primarily intended for angular and parallel misalignment compensation. For applications with significant axial movement requirements, it is essential to consider coupling types explicitly designed for this purpose.

Materials Used in Manufacturing Jaw Couplings

Jaw couplings are commonly made from various materials, each offering different properties and suitability for specific applications. Some of the commonly used materials include:

• Polyurethane (PU): PU jaw couplings are known for their flexibility, high elasticity, and resistance to abrasion. They are ideal for applications requiring vibration dampening and shock absorption.
• Aluminum: Aluminum jaw couplings are lightweight, corrosion-resistant, and have good thermal conductivity. They are commonly used in low-to-medium torque applications.
• Steel: Steel jaw couplings offer high strength and durability, making them suitable for heavy-duty applications with high torque requirements.
• Stainless Steel: Stainless steel jaw couplings are resistant to corrosion and are often used in applications where there is exposure to moisture, chemicals, or harsh environments.
• Bronze: Bronze jaw couplings are known for their excellent wear resistance and low coefficient of friction, making them suitable for applications with high-speed and low lubrication.
• Acetal: Acetal jaw couplings provide good chemical resistance and low moisture absorption, making them suitable for applications where chemical exposure is a concern.
• Nylon: Nylon jaw couplings offer good strength, flexibility, and resistance to wear and chemicals, making them suitable for various industrial applications.

The choice of material depends on factors such as torque requirements, environmental conditions, operating speeds, and budget considerations. Engineers and designers select the appropriate material to ensure that the jaw coupling can perform optimally and withstand the demands of the application.

editor by CX 2024-03-12