Product Description
HMB produce 2 type quick hitch:hydraulic quick hitch,manual quick hitch
Model | Unit | HMB02 | HMB06 | HMB08 | HMB15 | HMB20 | HMB25 | HMB30 | HMB40 |
Width | mm | 150-250 | 250-280 | 270-300 | 335-450 | 420-480 | 450-500 | 460-550 | 600-660 |
Length | mm | 300-450 | 500-550 | 580-620 | 680-800 | 900-1000 | 950-1000 | 960-1100 | 1000-1150 |
Height | mm | 220-280 | 280-320 | 300-350 | 380-420 | 480-520 | 500-550 | 560-600 | 570-610 |
Pin Diameter Range | mm | 25-35 | 40-50 | 50-55 | 60-65 | 70-80 | 90 | 90-100 | 100-110 |
Weight | kg | 30-50 | 50-80 | 80-115 | 160-220 | 340-400 | 380-420 | 420-580 | 550-760 |
Carrier | Ton | 0.8-3.5 | 4-7 | 8-9 | 10-18 | 20-24 | 25-29 | 30-39 | 40-45 |
Company Profile
Located in HangZhou, ZheJiang province, established in 2009, HangZhou CHINAMFG Construction Machinery Equipment Co.,Ltd registered HMB Brand in 2011. We started to develop oversea market in 2013.With 13 years experience, specialized in manufacturing excavator,skid loader attachemnts and spare parts. Our uncompromising commitment to high quality and thoughtful service wins us a good reputation and more coming partners.
CE certificate
FAQ
Q: Are you a manufacturer?
A: Yes,our factory was established in 2571.
Q: Are you sure your product will fit my excavator?
A: Our equipments are suitable for most excavators. Show us your excavator model, we’ll confirm the solution.
Q: How about your products warranty?
A: 12 months warranty for hydraulic breaker, beyond the warranty period.
Q: Can you produce according to customers’ design?
A: Sure, OEM/ODM service available. We are professional manufacturer in HangZhou.
Q: What’s the MOQ and payment terms?
A: MOQ is 1set. Payment via T/T,L/C, Western Union accepted, other terms can be negotiated.
Q: How about delivery time?
A: 5-25 work days after the payment.
Q: How about the package?
A: Our equipments wrapped by stretch film, packed by pallet or polywood case; or as requested.
Q: Which country have you exported?
A: Saudi Arabia, America, Thailand, Cyprus, India, Canada, Australia, Peru, Egypt, Brazil, Mexico, South Africa, etc.
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After-sales Service: | One Line Service and Local Service |
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Warranty: | 1 Year |
Type: | Pistons |
Application: | Excavator |
Certification: | CE, ISO9001: 2000 |
Condition: | New |
Customization: |
Available
| Customized Request |
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How Does a Pin Coupling Protect Connected Equipment from Shock Loads and Vibrations?
Pin couplings are designed to provide excellent protection to connected equipment from shock loads and vibrations, ensuring the smooth and reliable operation of the machinery. The unique features of pin couplings contribute to their ability to absorb and dampen shock loads and vibrations effectively:
- Flexibility: Pin couplings possess a certain degree of flexibility due to the presence of movable pins. When subjected to sudden shock loads or vibrations, the pins can flex and move slightly, absorbing the impact and preventing it from transmitting directly to the connected equipment. This flexibility helps in reducing stress and minimizing the risk of damage to the machinery.
- Torsional Compliance: The pin coupling’s design allows for a certain amount of torsional compliance. This means that when the connected shafts experience slight misalignments or angular displacements, the pin coupling can compensate for these variations without causing additional stress or vibration in the system. This feature ensures that the machinery remains in proper alignment even under dynamic conditions, reducing wear and tear.
- Damping Characteristics: The presence of movable pins introduces damping characteristics to the coupling. When vibrations occur in the system, the pins can dampen these oscillations, preventing resonance and the amplification of vibrations. This damping effect improves the overall stability and performance of the machinery.
- Strength and Resilience: High-quality pin couplings are constructed from durable materials with excellent fatigue resistance. This enables the coupling to withstand repeated shock loads and vibrations over an extended period without compromising its integrity. The strength and resilience of the pin coupling contribute to the protection of the connected equipment.
Overall, pin couplings are reliable and versatile components that can effectively protect connected equipment from shock loads and vibrations. Their flexibility, torsional compliance, damping characteristics, and robust construction make them suitable for various industrial applications where shock and vibration mitigation are essential for maintaining the health and longevity of machinery and equipment.
Can Pin Couplings Be Used for Both Motor-to-Shaft and Shaft-to-Shaft Connections?
Yes, pin couplings can be used for both motor-to-shaft and shaft-to-shaft connections in various mechanical systems. The versatile design of pin couplings allows them to connect two shafts with aligned or misaligned centers, making them suitable for a wide range of applications.
Motor-to-Shaft Connections: In motor-driven systems, pin couplings are commonly used to connect the motor shaft to the driven shaft of the equipment. The motor can be an electric motor, combustion engine, or any other type of power source. The pin coupling efficiently transfers torque from the motor shaft to the equipment’s driven shaft, enabling power transmission and mechanical motion.
Shaft-to-Shaft Connections: Pin couplings are also well-suited for shaft-to-shaft connections, where two separate shafts need to be joined together. This could be the case when extending the length of a shaft or connecting two separate pieces of rotating equipment. The pin coupling provides a secure and flexible connection between the two shafts, allowing torque to be transmitted between them while accommodating misalignment.
It is essential to consider the specific requirements of the application when selecting a pin coupling. Factors such as the amount of misalignment, torque capacity, operating conditions, and space constraints should be taken into account to ensure the coupling can effectively and reliably connect the motor and shafts.
Overall, the versatility and performance of pin couplings make them a popular choice for both motor-to-shaft and shaft-to-shaft connections in various industrial and mechanical systems.
Limitations and Disadvantages of Using Pin Couplings
While pin couplings offer various advantages and are suitable for many applications, they also have some limitations and disadvantages to consider:
- Misalignment Restrictions: Pin couplings can accommodate a certain degree of misalignment, but excessive misalignment can lead to increased wear and stress on the coupling components. They are not as effective at handling large angular or parallel misalignments compared to other flexible couplings like gear or elastomeric couplings.
- Less Damping Capacity: Pin couplings have limited damping capacity, which means they may not effectively absorb and reduce vibrations in the system. In applications where vibration damping is critical, elastomeric or flexible couplings may be more suitable.
- Noisy Operation: The rigid nature of pin couplings can lead to increased noise during operation, especially at high speeds or in applications with significant misalignment. This noise can be a concern in environments where noise levels need to be minimized.
- Higher Maintenance: Compared to maintenance-free couplings like certain types of elastomeric couplings, pin couplings may require more frequent inspection and maintenance. The pins and other components may experience wear over time and need replacement.
- Environmental Limitations: Some pin couplings may not be suitable for use in corrosive or high-temperature environments, depending on the materials used. Stainless steel or other corrosion-resistant materials can help mitigate this limitation.
- Size and Weight: In certain applications, the size and weight of pin couplings may be larger and heavier compared to other types of couplings. This can be a consideration in applications where weight is a concern or space is limited.
Despite these limitations, pin couplings remain a popular choice for many applications where their advantages, such as simplicity, durability, and cost-effectiveness, outweigh their disadvantages. It is crucial to carefully assess the specific requirements of the application and consider factors like misalignment, vibration, maintenance needs, and environmental conditions when selecting a coupling type.
editor by CX 2024-05-16
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