China Custom Excavator Parts Drive Gear Coupling 11211379 7117-30180 for CZPT Excavator Ec210b

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WHY CHOOSE US

1.More than 10 years experience in excavator spare parts field;
2.We are experts in CZPT excavator parts and have in this industry since 2571
3.Original parts from suppliers with ensured and high quality;
4.Large range of spare parts scope for excavators;
5.Have parts in stock and give you short lead time;
6.Reasonable and competitive price;

Company Profile     
     HangZhou Junchi construction machinery Co., Ltd. is located in HangZhou logistics capital of China. We are a dealer specialized in excavator accessories, excavator parts genuine accessories one-stop shopping center. We provide all types of Volvo/LG/PC excavator spare parts for all kinds of excavator models. 
     It is convenient for you to buy all parts for Volvo/LG/PC excavators together.
    JUNCHI is our own brand, which integrates our industry experience over the years to provide you with products with better prices and higher quality. We are committed to meeting all your needs for excavator parts and providing you with the most perfect excavator parts solution. Use the best quality and the most competitive price to obtain long-term cooperation with customers.
    We sincerely hope to cooperate with all people around the world and welcome your visit to our company, In the meanwhile, we believe that through our continuous perfecting service system and technique, you can possess the world’s best products with the world’s first – class service!

About Us
Factory

Our Warehouse

Packing and shipment
Our Advantage:

1  We have many highly qualified engineers and sale managers, with wide and specific knowledge in the sale, and repair of construction machines, the sales team prides itself on its knowledge of heavy machinery coupled with exemplary after sales service .
2  We have our transfer warehouse for all the spare parts, the warehouse is about 2000 square meter, hold about USD5,000,000.00 spare parts anytime.
3  we have high-efficient logistics operation system,which ensure shipment is on time and right.
4  our product is all over the world.
5  we hope create the future together with every Volvo/LG/PC machine customers.

FAQ
1.If I only know the excavator model, but can not offer parts No., what should I do ?
 If possible, you can provide pictures of old products, nameplate or size of the parts.
2.How can I pay the order?
We can receive payment through T/T, L/C, Western Union.
3.When will get the items after I place order?
Once we receive your payment, we will deliver the goods within 24 hours; if not in stock , we will communicate with you before placing orders.
4.How can I do if there is something wrong with the items?
First of all ,we can assure the  quality of our products ,if you really found something wrong ,pls provide pictures for us and we will check.  After it is confirmed, pls return to us , we will offer the correct item.
5.What is your main products ?
We are specialized in excavator spare parts, such as engines/or parts, undercarriage parts, electronic parts, hydraulic parts , covering parts, attachments and so on.  If you need other excavator parts, we also can supply as your requirements

 

drive coupling

Are There Specific Safety Precautions to Consider When Working with Drive Couplings?

Yes, working with drive couplings requires certain safety precautions to ensure the safety of personnel and the integrity of the equipment. Here are some important safety considerations when dealing with drive couplings:

  • Lockout-Tagout (LOTO): Before performing any maintenance or repair work on machinery with drive couplings, it is essential to implement a proper lockout-tagout procedure. This involves isolating and securing the power source and equipment to prevent unexpected startup during the maintenance process. Only authorized personnel should have access to the equipment during LOTO procedures.
  • PPE (Personal Protective Equipment): Personnel working on or near drive couplings should wear appropriate personal protective equipment, including safety glasses, gloves, and any other required protective gear. This helps protect against potential hazards such as flying debris or pinch points.
  • Proper Installation: During installation, it is crucial to follow the manufacturer’s guidelines and instructions to ensure the drive coupling is correctly aligned and mounted. Proper alignment minimizes stresses on the coupling and associated machinery, reducing the risk of premature failure and potential accidents.
  • Regular Inspections: Implement a schedule for regular inspections of drive couplings to identify any signs of wear, misalignment, or damage. Addressing issues early can prevent unexpected failures and reduce the risk of accidents or production downtime.
  • Load and Speed Limits: Respect the specified load and speed limits of the drive coupling. Exceeding these limits can lead to catastrophic failures and pose safety risks to personnel and equipment.
  • Maintenance by Qualified Personnel: Complex maintenance or repair tasks on drive couplings should be performed by qualified personnel with relevant experience and training. Improper maintenance can compromise the coupling’s performance and lead to safety hazards.
  • Temperature Limits: Some drive couplings have temperature limits for safe operation. Ensure that the operating temperature is within the recommended range to avoid material degradation and potential hazards.
  • Proper Lubrication: If the drive coupling requires lubrication, use the recommended lubricant and apply it as per the manufacturer’s guidelines. Inadequate or excessive lubrication can impact the coupling’s performance and increase the risk of failure.
  • Safe Distance: Keep a safe distance from rotating couplings and rotating machinery to prevent accidental contact with moving parts. Implement barriers or guarding to prevent unintentional access.

Adhering to these safety precautions ensures that working with drive couplings is done safely and efficiently, minimizing the risk of accidents and maintaining the longevity of the equipment.

drive coupling

Exploring the Use of Elastomeric Materials in Flexible Drive Couplings

Elastomeric materials play a vital role in the design and function of flexible drive couplings. These materials are known for their unique properties, including flexibility, resilience, and damping capabilities, making them well-suited for various power transmission applications. Here are some key aspects of elastomeric materials in flexible drive couplings:

  • Flexibility: Elastomeric materials, such as natural rubber and synthetic elastomers like polyurethane and neoprene, exhibit high flexibility. This flexibility allows them to deform under load, accommodating misalignments and absorbing shocks and vibrations during operation. The ability to flex helps prevent undue stress on the connected machinery and ensures a smooth and reliable power transmission.
  • Damping: Elastomers possess excellent damping characteristics, which means they can absorb and dissipate energy when subjected to torsional vibrations and dynamic loads. This damping property is crucial in minimizing resonance and preventing harmful vibrations from propagating through the system. Couplings with good damping capabilities offer improved system stability and reduced wear on components.
  • Resilience: Resilience refers to the ability of elastomeric materials to return to their original shape after being deformed by torque or misalignment. This property ensures that the coupling remains functional even after experiencing temporary overloads or torsional stresses. The resilience of elastomers contributes to the longevity and reliability of the coupling.
  • Easy Installation: Elastomeric couplings are often designed with a simple and compact structure, making them easy to install and maintain. Their flexibility allows for quick assembly and disassembly, which can be advantageous during equipment maintenance and repairs.
  • Misalignment Compensation: The high flexibility of elastomeric materials allows the coupling to compensate for both angular and parallel misalignments between shafts. This ability to tolerate misalignments without transmitting excessive loads to connected equipment protects the machinery from premature wear and damage.
  • Cost-Effectiveness: Elastomeric couplings are generally more cost-effective compared to other types of couplings with elaborate designs. Their simple construction and use of elastomeric materials make them an economical choice for various industrial applications.

Elastomeric materials offer a compelling combination of mechanical properties that make them highly suitable for flexible drive couplings. When selecting a coupling for a specific application, considering the type and characteristics of the elastomeric material used is crucial to ensure the coupling meets the performance requirements and environmental conditions of the system.

drive coupling

How does a Flexible Drive Coupling differ from a Rigid Drive Coupling?

A drive coupling is a mechanical device used to connect two shafts in a power transmission system. Drive couplings can be broadly classified into two main categories: flexible drive couplings and rigid drive couplings. Each type offers distinct advantages and is suitable for different application requirements. Here’s how a flexible drive coupling differs from a rigid drive coupling:

Flexible Drive Coupling:

A flexible drive coupling is designed with an element that allows some degree of movement and flexibility between the connected shafts. This element can be made of various materials, such as elastomers, metal discs, or grids. The flexibility of the coupling element enables it to accommodate misalignments, shocks, and vibrations, making it ideal for applications where these factors are present.

Main Characteristics:

  • Misalignment Absorption: Flexible couplings can compensate for angular, parallel, and axial misalignments between the shafts, reducing stress on connected machinery and extending component life.
  • Shock and Vibration Damping: The flexible element of the coupling dampens shocks and vibrations, protecting the connected equipment from sudden impact loads and reducing noise and wear.
  • Torsional Flexibility: Flexible couplings can twist and bend, providing torsional flexibility to accommodate fluctuations in torque and prevent damage from torque spikes.
  • Energy Absorption: In high-torque applications, the flexible element absorbs energy and reduces peak loads, which can be beneficial for protecting the drivetrain.

Rigid Drive Coupling:

A rigid drive coupling, on the other hand, is designed to provide a direct and rigid connection between the shafts. It has little to no flexibility or movement in the coupling itself. Rigid couplings are typically used when precise shaft alignment is essential, and there is minimal misalignment or vibration in the system.

Main Characteristics:

  • Precision Alignment: Rigid couplings ensure precise alignment between the connected shafts, which is critical in applications requiring accurate positioning and minimal shaft deflection.
  • No Misalignment Compensation: Unlike flexible couplings, rigid couplings do not compensate for misalignments, so proper alignment during installation is crucial to prevent premature wear or damage to the equipment.
  • Torsional Stiffness: Rigid couplings have high torsional stiffness, meaning they efficiently transmit torque with minimal torsional deflection.
  • High Torque Capacity: Due to their solid construction, rigid couplings can handle higher torque loads compared to some flexible coupling types.

In summary, the choice between a flexible drive coupling and a rigid drive coupling depends on the specific application’s requirements, including the degree of misalignment, shock and vibration levels, torque capacity, and precision alignment needs. Flexible couplings are suitable for applications with misalignments and dynamic loads, while rigid couplings are preferred for precise positioning and high-torque applications with minimal misalignment.

China Custom Excavator Parts Drive Gear Coupling 11211379 7117-30180 for CZPT Excavator Ec210b  China Custom Excavator Parts Drive Gear Coupling 11211379 7117-30180 for CZPT Excavator Ec210b
editor by CX 2023-08-08

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Our Service
1. Installation & adjustment
After the equipment are arrived at the customer’s site, the customer is responsible for unpacking and arranging the equipment according to the placement drawing; and does under our install-adjust technicians’ guidance. Costs of the staff are decided at last.
2. Training
1)  We are responsible for offering the technical training to user. The training content includes the structure and maintenance of the equipment, control and operation of the equipment. Through training, users’technical staff can grasp and the skill of operation and maintenance proficiently, and deal with the general troubles in time. We will appoint qualified technical staff for the guidance.
2)  The buyer can send staff to our company for learning.
3. Quality assurance
1)  We guarantee the goods offered are brand-new, not used, with latest design and suitable material made, and we guarantee the specification of the equipment is consonance with the contract.
2)  We guarantee the line achieve product technical performance indicators within 5 days after feeding operation through the correct guidance of the installation and commissioning.
3)  We are responsible for the fault and damage of the production line caused by our design, technology, manufacture, installation, adjustment and material defect etc. that all belong to our responsibility.
4)  The warranty period is 12 months after acceptance check of the production line. If there is any different between the furnished equipment in the customer’s factory and the equipment concerned in the contract, the users have the right to pass the inspection book to the legal department to claim for compensation to our company within goods warranty period.

Due to our sincerity in offering best service to our clients, understanding of your needs and overriding sense of responsibility toward filling ordering requirements, we have obtained the trust of buyers worldwide. Having accumulated precious experience in cooperating with foreign customers, our products are selling well in the American, European, South American and Asian markets. Our products are manufactured by modern computerized machinery and equipment. Meanwhile, our products are manufactured according to high quality standards, and complying with the international advanced standard criteria.

With many years’ experience in this line, we will be trusted by our advantages in competitive price, one-time delivery, prompt response, on-hand engineering support and good after-sales services.

Additionally, all our production procedures are in compliance with ISO9001 standards. We also can design and make non-standard products to meet customers’ special requirements. Quality and credit are the bases that make a corporation alive. We will provide best services and high quality products with all sincerity. If you need any information or samples, please contact us and you will have our soon reply.

FAQ:
Q1: Are you trading company or manufacturer ?
A: We are factory.


Q2: How long is your delivery time and shipment?
1.Sample Lead-times: generally 10 workdays.
2.Production Lead-times: 20-40 workdays after getting your deposit.

Q3. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.

Q4: What is your advantages?
1. Manufacturer,the most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.
4. Rich stock and quick delivery.

Q5. If you can’t find the product on our website,what do you next?
Please send us inquiry with product pictures and drawings by email or other ways and we’ll check.