Product Description

We can supply Keyless Rigid Coupling, Z1, Z2, Z3, Z4, Z5, Z6, Z8 POWER LOCK, Chinese Power locking device in power locks
Our Power Locks are interchangeable to:
Ringfeder, Tollok, Chiaravalli, Sati, Challenge, Bonfix, Compomac, V-Blok, Ringblok, Kana, KTR

1. Z1 Locking Devices Z11 Locking Devices
2. Z2 Locking Devices Z13 Locking Devices
3. Z3 Locking Devices Z7B Locking Devices
4. Z4 Locking Devices Z12A Locking Devices
5. Z5 Locking Devices Z19A Locking Devices
6. Z6 Locking Devices Z19B Locking Devices
7. Z8 Locking Devices
Feature
1. Easy to install and dismantle.
2. High degree of flexibility
3. Long lifetime and high efficient transmitting
4. Low notching effect
5. Protection of the expensive equipment under over load running.
6. In compliance with quality requirement of developed coutries.
7. Super high quality with lowest price.
Power Lock, Locking Assembly, Locking devices is a keyless shaft-hubs locking device for connecting hubs and shaft with high torque transmission, are linker used between shafts and pulley, which can replace the single key and splines.
They can transmit torque through a set of tightening screw with high strength, which can make the required clamping force between the inner rings and shaft, also between the outer ring and hubs. It’s easy assmebling and diassembling.
They have a good interchangeablity. The screw are with high strength.
Power lock have many item
We produce by CNC machine
Their main material is superior steel.
After machining, they will have smooth and beautiful surface, have long life time and high strength.

1. International standard Power Lock
2. Most popular on European market
3. Steel 42CrMo4 / 4140; C45E / 1045
We are a leading manufacturer of Power Lock in China. More than 65% of our products are exported to West Europe and 20% to North America. We guarantee excellent quality products with competitive price in China.
Our Power Lock are interchangeable to:
Ringfeder, Tollok, Chiaravalli, Sati, Challenge, Bonfix, Compomac, V-Blok, Ringblok, Kana, KTR

GB STHangZhouRD: Z1, Z2, Z3, Z3 LONGER, Z4, Z5, Z6, Z7B, Z8, Z11, Z12A, Z13, Z14, Z19A, Z19B

RINGFEDER GERMANY STHangZhouRD: RFN4071, RFN7012, RFN7013, RFN7110, RFN8006

TSUBAKI JAPAN STHangZhouRD: AS, TF, EL, SL, AD

CHIARAVALLI ITALY STHangZhouRD: RCK11, RCK13, RCK15, RCK16, RCK19, RCK40, RCK45, RCK50, RCK55, RCK70, RCK71, RCK80, RCK95

TOLLOK ITALY STHangZhouRD: TLK110, TLK130, TLK131, TLK132, TLK133, TLK134, TLK200, TLK300, TLK400, TLK603

RINGSPANN GERMANY STHangZhouRD: RLK130, RLK132, RLK133, RLK200

BIKON GERMANY STHangZhouRD: 1003, 1006, 1012, 4000, 5000, 7000A, 7000B, 8000

BONFIX STHangZhouRD: CCE1000, CCE2000, CCE3000, CCE4000, CCE4100, CCE4500, CCE4600, CCE4900, CCE8000, CCE9500

SATI STHangZhouRD: KLGG, KLCC, KLNN, KLDA, KLAA, KLDB, KLAB, KLPP, KLBB, KLHH, KLEE, KLFF, KLMM

COMPOMAC STHangZhouRD: A, B, C, D, ES/DS, EP, SD, F

VBLOK STHangZhouRD: VK400, VK800B, VK700, VK160, VK700.1, VK130, VK112

RINGBLOK STHangZhouRD: 1060, 1100, 1120, 1710, 1720, 1800

KANA STHangZhouRD: 200, 201, 300

KTR STHangZhouRD: KTR100, KTR150, KTR200, KTR201, KTR203, KTR206, KTR225, KTR250, KTR400, KTR603

Features
1. Easy to install and dismantle.
2. High degree of flexibility
3. Long lifetime and high efficient transmitting
4. Low notching effects
5. Protection of the expensive equipment under over load running.
6. In compliance with quality requirement of developed coutries.
7. Super high quality with lowest price.

Clamp power lock, keyless locking device, locking device, shaft locking assemblies, keyless shaft locking device, keyless shaft-hub locking device, lock devices
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How Do Rigid Couplings Compare to Other Types of Couplings in Terms of Performance?

Rigid couplings offer specific advantages and disadvantages compared to other types of couplings, and their performance depends on the requirements of the application:

1. Performance: Rigid couplings provide excellent torque transmission capabilities and are best suited for applications that demand precise and efficient power transfer. They have minimal backlash and high torsional stiffness, resulting in accurate motion control.

2. Misalignment Tolerance: Rigid couplings cannot tolerate misalignment between shafts. They require precise shaft alignment during installation, which can be time-consuming and may result in increased downtime during maintenance or repairs.

3. Vibration Damping: Rigid couplings offer no damping of vibrations, which means they may not be suitable for systems that require vibration isolation or shock absorption.

4. Maintenance: Rigid couplings are generally low maintenance since they have no moving parts or flexible elements that can wear out over time. Once properly installed, they can provide reliable performance for extended periods.

5. Space Requirements: Rigid couplings are compact and do not add much length to the shaft, making them suitable for applications with limited space.

6. Cost: Rigid couplings are usually more economical compared to some advanced and specialized coupling types. Their simpler design and lower manufacturing costs contribute to their affordability.

7. Application: Rigid couplings are commonly used in applications where shafts are precisely aligned and no misalignment compensation is necessary. They are prevalent in precision machinery, robotics, and applications that require accurate motion control.

In contrast, flexible couplings, such as elastomeric, jaw, or beam couplings, are designed to accommodate misalignment, dampen vibrations, and provide some degree of shock absorption. Their performance is ideal for systems where shafts may experience misalignment due to thermal expansion, shaft deflection, or dynamic loads.

In summary, rigid couplings excel in applications that demand precise alignment and high torque transmission, but they may not be suitable for systems that require misalignment compensation or vibration damping.

Factors to Consider When Choosing a Rigid Coupling for a Specific System

Choosing the right rigid coupling for a specific system is crucial to ensure proper functionality and reliable performance. Several factors should be considered when making this decision:

1. Shaft Size and Compatibility: The most fundamental factor is ensuring that the rigid coupling is compatible with the shaft sizes of the connected components. The coupling should have the appropriate bore size and keyway dimensions to fit securely onto the shafts.

2. Operating Torque: Consider the torque requirements of the application. The rigid coupling should have a torque rating that exceeds the maximum torque expected during operation to prevent failures and ensure safety.

3. Speed: Determine the rotational speed (RPM) of the connected shafts. Rigid couplings have maximum RPM limits, and the selected coupling should be capable of handling the system’s operating speed.

4. Misalignment Tolerance: Assess the potential misalignment between the shafts. Rigid couplings provide no flexibility, so the system must have minimal misalignment to prevent excessive forces on the components.

5. Temperature and Environment: Consider the operating temperature range and the environment where the coupling will be used. Ensure the chosen material can withstand the temperature and any corrosive or harsh conditions present.

6. Space Limitations: Evaluate the available space for the coupling. Rigid couplings have a compact design, but ensure that there is enough clearance for installation and maintenance.

7. Backlash and Torsional Stiffness: In some precision systems, backlash must be minimized to maintain accurate positioning. Additionally, the torsional stiffness of the coupling can impact system response and stability.

8. Keyway or Keyless Design: Decide between a coupling with a keyway or a keyless design based on the specific application requirements and ease of installation.

9. Material Selection: Consider the material properties of the rigid coupling. Common materials include steel, stainless steel, and aluminum, each with its own advantages and limitations.

10. Maintenance: Determine the maintenance requirements of the coupling. Some couplings may need periodic lubrication or inspections, while others may be maintenance-free.

11. Cost: While cost should not be the sole consideration, it is essential to evaluate the cost-effectiveness of the coupling, taking into account its performance and longevity.

By carefully considering these factors, you can select the most suitable rigid coupling for your specific system, ensuring optimal performance, and longevity of your mechanical setup.

Limitations and Disadvantages of Using Rigid Couplings:

Rigid couplings offer several advantages in providing a strong and direct connection between shafts, but they also have certain limitations and disadvantages that should be considered in certain applications:

• No Misalignment Compensation: Rigid couplings are designed to provide a fixed connection with no allowance for misalignment between shafts. As a result, any misalignment, even if slight, can lead to increased stress on connected components and cause premature wear or failure.
• Transmit Shock and Vibration: Rigid couplings do not have any damping or vibration-absorbing properties, which means they can transmit shock and vibration directly from one shaft to another. In high-speed or heavy-duty applications, this can lead to increased wear on bearings and other components.
• No Torque Compensation: Unlike flexible couplings, rigid couplings cannot compensate for torque fluctuations or angular displacement between shafts. This lack of flexibility may not be suitable for systems with varying loads or torque requirements.
• Higher Stress Concentration: Rigid couplings can create higher stress concentration at the points of connection due to their inflexibility. This can be a concern in applications with high torque or when using materials with lower fatigue strength.
• More Challenging Installation: Rigid couplings require precise alignment during installation, which can be more challenging and time-consuming compared to flexible couplings that can tolerate some misalignment.
• Increased Wear: The absence of misalignment compensation and vibration absorption can lead to increased wear on connected components, such as bearings, shafts, and seals.
• Not Suitable for High Misalignment: While some rigid couplings have limited ability to accommodate minor misalignment, they are not suitable for applications with significant misalignment, which could lead to premature failure.

Despite these limitations, rigid couplings are still widely used in many applications where precise alignment and a strong, permanent connection are required. However, in systems with significant misalignment, vibration, or shock loads, flexible couplings may be a more suitable choice to protect the connected components and improve overall system performance and longevity.

editor by CX 2024-04-17