Product Description

Product Details

75KW Screw Air Compressor

Company information

Hongkong CZPT Industry Limited was established in 2000, located in Chang’an town,
HangZhou city– “China National Machinery and Hardware town”
We’re a Hi-Tech company specialize in research, development, manufacture and 
distribution of air compressor sparts. With our rich experience, profession technology
and rigorous quality control, our products are widely used in air compressor field 
with good feedback and continuous orders from more than 2,000 customers in domestic
and oversea market.We can solve any technical problems you may encounter
with your air compressor and provide many kinds of air compressor parts for you.
 

Main products

SCREW AIR COMPRESSOR 

AIR DRYER

Services kits:unloading valve kits, Minimum pressure valve kit,

Stop oil valve kit, check valve kit, thermostat valve kit and more

Valve assembly:air intake valve, thermostat valve, solenoid valve, minimum pressure valve kit, blow off valve, drain valve and more

Rubber parts: hose, coupling, elbow, anti-vibration pad, housing, belt

Sensor: temperature sensor, pressure sensor, oil level sensor

Other parts: gear wheel, controller, temperature switch, pressure switch, cleaning agent

Our services

• Ø  24 hours a day, 7 days a week
• Ø  1-stop purchasing
• Ø  Cheap, fast and efficient
• Ø  adequate stocks
• Ø  12 years experiences
• Ø  Seriously quality control
• Ø  Superb technique

What are the Temperature and Speed Limits for Different Drive Coupling Types?

The temperature and speed limits for different drive coupling types vary based on their design, materials, and intended applications. Here are some general guidelines for temperature and speed limits for common drive coupling types:

• Elastomeric Couplings: Elastomeric couplings, which use rubber or elastomer elements, typically have temperature limits ranging from -40°C to 120°C (-40°F to 248°F). The speed limits for elastomeric couplings are generally up to 5000 RPM, but this can vary depending on the coupling size and design.
• Grid Couplings: Grid couplings are designed to handle higher torque and speed requirements. They often have temperature limits between -20°C to 100°C (-4°F to 212°F). The speed limits for grid couplings can range from 5000 to 8000 RPM, depending on the coupling size and grid material.
• Gear Couplings: Gear couplings are known for their high torque capacity and can operate at higher temperatures. Their temperature limits typically range from -20°C to 150°C (-4°F to 302°F). The speed limits for gear couplings can vary widely based on the coupling’s size and design, with some models capable of operating at speeds up to 10,000 RPM or higher.
• Chain Couplings: Chain couplings are suitable for heavy-duty applications. They often have temperature limits between -20°C to 150°C (-4°F to 302°F) depending on the chain material. The speed limits for chain couplings can range from 1500 to 6000 RPM, depending on the chain type and size.

It’s essential to consider the operating environment, load conditions, and coupling material when determining the suitable temperature and speed limits for a specific application. Exceeding the recommended limits can lead to premature wear, reduced performance, and potential coupling failure.

Manufacturers of drive couplings provide detailed specifications and operating guidelines for their products. It’s crucial to consult the manufacturer’s documentation to ensure that the selected coupling is suitable for the intended application and operating conditions.

How to Select the Right Drive Coupling for Specific Torque and Speed Requirements

Choosing the appropriate drive coupling for specific torque and speed requirements is essential to ensure reliable and efficient power transmission in mechanical systems. Here are the steps to help you make the right selection:

1. Identify Torque and Speed Parameters: Determine the maximum and minimum torque values that the coupling will experience during operation. Also, establish the required operating speed range.
2. Consider the Application: Evaluate the application’s characteristics, such as the nature of the driven equipment, the presence of shock loads, vibrations, and misalignments. Different applications may require different coupling types and designs.
3. Calculate Service Factor: Apply a service factor to the calculated torque to account for any variations in the load during operation. The service factor typically ranges from 1.2 to 2, depending on the application’s demands.
4. Choose the Coupling Type: Based on the torque, speed, and application requirements, select the appropriate coupling type. Common coupling types include elastomeric couplings, grid couplings, gear couplings, and metallic disc couplings.
5. Torsional Stiffness and Damping: Consider the desired level of torsional stiffness and damping based on the application’s need for rigidity and vibration absorption. High-speed applications may require couplings with good damping characteristics to prevent resonance.
6. Temperature and Environment: Take into account the operating temperature and environmental conditions. Extreme temperatures or corrosive environments may require specific coupling materials or coatings.
7. Alignment and Misalignment Tolerance: Assess the alignment capabilities of the coupling. Flexible couplings can accommodate misalignments, while rigid couplings require precise alignment.
8. Space Limitations: Consider any spatial constraints for coupling installation. Some couplings may have compact designs suitable for confined spaces.
9. Budget and Maintenance: Factor in the initial cost and ongoing maintenance requirements of the coupling. While some couplings may have higher upfront costs, they might offer longer service life and lower maintenance expenses.
10. Consult with Manufacturers: Reach out to coupling manufacturers or specialists to discuss your specific requirements. They can provide expert advice and recommend suitable couplings for your application.

By carefully evaluating torque and speed requirements, considering the application’s characteristics, and selecting a coupling that matches the demands of the system, you can ensure optimal performance and longevity of the power transmission setup.

Types of Drive Couplings and Their Applications in Various Industries

Drive couplings come in various types, each designed to meet specific application requirements. Depending on the industry and the type of machinery involved, different types of drive couplings are used to optimize power transmission efficiency and reliability. Here are some common types of drive couplings and their applications in various industries:

• Jaw Couplings: Jaw couplings are flexible couplings that use elastomeric inserts to transmit torque. They are commonly used in industrial pumps, compressors, and conveyors. The elastomeric inserts provide shock absorption and vibration dampening, making them suitable for applications where misalignment and vibration are present.
• Gear Couplings: Gear couplings are robust and torsionally rigid couplings that use gear teeth to transmit torque between shafts. They are often used in heavy-duty applications such as steel rolling mills, paper mills, and marine propulsion systems. Gear couplings can handle high torque and misalignments, making them ideal for demanding industrial environments.
• Disc Couplings: Disc couplings use thin metal discs to transmit torque and accommodate misalignment. They are widely used in high-speed applications, such as gas turbines, generators, and test rigs. Disc couplings offer high torque capacity and are known for their torsional stiffness and balance characteristics.
• Grid Couplings: Grid couplings use a grid-like flexible element to transmit torque. They are commonly used in industrial pumps, fans, and compressors. Grid couplings offer excellent shock absorption and misalignment capability, making them suitable for applications where protection against sudden shocks is required.
• Tyre Couplings: Tyre couplings use an elastomeric tyre between two hubs to transmit torque. They are widely used in various industries, including steel, mining, and power generation. Tyre couplings can accommodate misalignments and provide vibration damping, making them versatile for different industrial applications.
• Bellows Couplings: Bellows couplings use a thin-walled metallic bellows to transmit torque and compensate for misalignments. They are commonly used in precision motion control applications, such as robotics, CNC machines, and medical equipment, where minimal backlash and high torsional stiffness are required.
• Universal Joints: Universal joints are used to transmit torque between shafts at an angle. They are commonly found in automotive drivelines, agricultural equipment, and industrial machinery. Universal joints allow angular misalignments and are widely used in applications where rotational movement must be transferred through non-aligned shafts.

The choice of drive coupling type depends on factors such as torque requirements, speed, misalignment, and specific environmental conditions. Each type of coupling has its unique advantages and limitations, and selecting the right coupling for a particular application is crucial for ensuring optimal power transmission and machinery performance in various industries.

editor by CX 2023-08-09