Product Description
Product Description
DC Series Gear Drum Coupling(Q/LZP02.07-2005)
This standard is applicable to the connection between the output shaft of the reducer of the lifting mechanism and the copper wire rope reel in lifting equipment, as well as other similar mechanical equipment that both transmits torque and bears radial loads.
However, it cannot be used as a transmission subject to axial load.
Product Parameters
Note:
R/min= Allowable speed of rotation; N.m= Norminal torque; N= Radial load; d= Diameter of shaft hole;
L= Length of shaft hole; S n-d2 a d3= Size of drum connection size; m3= Wear and tear scale;
Xmax= Axial clearance; e= Loading location; l= Rotational inetia; m= Mass
1. The maximum shaft deviation angle this couplings is ±0°30′.
2. The connection thread of lubricating oil hole is Rcl/4.
3. Both the moment of inertia l and the mass m are approximate values for reference only
4. With the new revision of the standard products, the change of the material and the progress of technology, the information in this document is subject to change. No further notice will be given.
Company Profile
HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduce foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective.
Our Services
1. Design Services
Our design team has experience in Cardan shafts relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.
2. Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping
3. Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.
4. Research & Development
We usually research the new needs of the market and develop a new model when there is new cars in the market.
5. Quality Control
Every step should be a special test by Professional Staff according to the standard of ISO9001 and TS16949.
FAQ
Q 1: Are you a trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.
Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks in PDF or AI format.
Q 3: How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.
Q 4: Do you provide samples? Is it free or extra?
Yes, we could offer the sample but not for free. Actually, we have a very good price principle, when you make the bulk order the cost of the sample will be deducted.
Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.
Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.
Q 7: Do you have inspection procedures for coupling?
A: 100% self-inspection before packing.
Q 8: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.
Q 9: What’s your payment?
A: T/T.
♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
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What are the Maintenance Requirements for Reducer Couplings to Ensure Their Longevity?
Proper maintenance is essential to ensure the longevity and optimal performance of reducer couplings in plumbing and piping systems. Regular maintenance practices can help prevent leaks, reduce downtime, and extend the service life of the couplings. Here are some maintenance requirements and best practices for reducer couplings:
- Visual Inspection: Regularly inspect the reducer couplings and adjoining pipes for any signs of wear, corrosion, or damage. Look for leaks, cracks, or rust that may compromise the coupling’s integrity.
- Tightening: Check the tightness of threaded reducer couplings periodically. If using threaded connections, ensure that the coupling is adequately tightened to prevent leakage. If any loose fittings are identified, promptly retighten them.
- Seals and Gaskets: For couplings with gaskets or O-rings, inspect these components for signs of wear or deterioration. Replace any damaged or worn seals to maintain a proper seal and prevent leaks.
- Temperature and Pressure: Ensure that the reducer coupling is rated and suitable for the operating temperature and pressure of the specific plumbing or piping system. Operating outside the recommended limits can lead to premature failure.
- Corrosion Protection: In corrosive environments, consider using reducer couplings made from materials that are resistant to corrosion, such as stainless steel. Implementing corrosion protection measures can help prolong the life of the couplings.
- Preventative Measures: Regularly inspect the overall plumbing or piping system for any signs of stress, misalignment, or vibration that may affect the reducer couplings. Address any issues promptly to prevent damage to the couplings and other components.
- Replacement: Over time, reducer couplings may wear out or degrade due to continuous use or exposure to harsh conditions. It is important to replace worn or damaged couplings with new ones to maintain system integrity.
- Proper Installation: Ensure that the reducer coupling is installed correctly according to the manufacturer’s guidelines. Improper installation can lead to leaks and premature failure.
By adhering to these maintenance requirements and practices, operators can help ensure that reducer couplings perform optimally and have a longer service life. Regular inspections and timely repairs or replacements can minimize the risk of unexpected failures and associated downtime, ultimately contributing to the efficiency and reliability of plumbing and piping systems.
How to Select the Right Reducer Coupling Material Based on the Fluid Being Conveyed?
Choosing the appropriate material for a reducer coupling is crucial to ensure its compatibility with the fluid being conveyed in plumbing and piping systems. The choice of material depends on factors such as the type of fluid, temperature, pressure, and the surrounding environment. Here are some guidelines to help you select the right reducer coupling material:
- 1. Identify the Fluid: Determine the type of fluid that will flow through the piping system. Different fluids have varying chemical compositions and properties, which can affect the material’s corrosion resistance and overall performance.
- 2. Consider Corrosion Resistance: If the conveyed fluid is corrosive or contains chemicals that can react with certain materials, choose a reducer coupling material with excellent corrosion resistance. For corrosive environments, materials like stainless steel, PVC, CPVC, or certain types of alloys are often preferred.
- 3. Temperature and Pressure: Evaluate the operating temperature and pressure of the system. Some materials may have limitations in extreme temperatures or high-pressure conditions. Ensure the selected material can withstand the specific operating conditions.
- 4. Fluid Compatibility: Check if the material is compatible with the specific fluid to avoid any adverse reactions that could compromise the coupling’s integrity or contaminate the conveyed fluid.
- 5. Environmental Factors: Consider the surrounding environment, including exposure to UV radiation, outdoor elements, or potential impact on the material’s mechanical properties.
- 6. Regulatory Requirements: Ensure that the selected material complies with any industry standards or certifications required for the intended application, especially if the system conveys potable water or is subject to specific regulations.
Common materials used for reducer couplings include:
- Stainless Steel: Offers excellent corrosion resistance and is suitable for a wide range of fluids, making it a popular choice for many applications.
- PVC and CPVC: These materials are lightweight and corrosion-resistant, making them ideal for non-corrosive fluid conveyance and low-pressure systems.
- Brass: Known for its durability and resistance to dezincification, brass is often used for water and gas applications.
- Copper: Suitable for water and gas systems, copper is resistant to corrosion and has antimicrobial properties.
- Carbon Steel: Provides strength and durability but may require corrosion protection in some environments.
- Alloys: Various alloy materials offer enhanced properties such as higher corrosion resistance or better mechanical strength compared to individual metals.
Consulting with a knowledgeable engineer or a professional in the field can be beneficial in making the right material selection for your specific plumbing or piping system. Proper material selection ensures the reducer coupling’s reliability and longevity, as well as the overall integrity of the fluid conveyance system.
What are the Standard Sizes and Dimensions of Reducer Couplings?
Reducer couplings come in a variety of standard sizes and dimensions to accommodate different pipe diameters. The sizes and dimensions of reducer couplings are typically specified in terms of the nominal pipe size (NPS) and the outside diameter (OD) of the pipe.
For example, a common type of reducer coupling is a “concentric reducer,” where the center axis of the two pipe ends remains in line. The standard sizes of concentric reducer couplings include:
- 1/2″ x 1/4″ NPS
- 3/4″ x 1/2″ NPS
- 1″ x 3/4″ NPS
- 1-1/4″ x 1″ NPS
- 1-1/2″ x 1-1/4″ NPS
- 2″ x 1-1/2″ NPS
- 2-1/2″ x 2″ NPS
- 3″ x 2-1/2″ NPS
- 4″ x 3″ NPS
- 6″ x 4″ NPS
- 8″ x 6″ NPS
- 10″ x 8″ NPS
- 12″ x 10″ NPS
It’s important to note that the dimensions of the reducer coupling, including the overall length and the transition length, may vary depending on the specific manufacturer and industry standards. The dimensions of reducer couplings are designed to ensure a proper fit between pipes of different sizes, allowing for a smooth flow transition without abrupt changes that could lead to turbulence or pressure loss.
Additionally, reducer couplings are available in various materials, such as PVC, CPVC, stainless steel, brass, and copper, to suit the compatibility requirements of different pipe materials and applications.
Before selecting a reducer coupling for a specific application, it is crucial to consider the pipe sizes, material compatibility, pressure and temperature ratings, and the joining method to ensure a proper and secure fit for the plumbing or piping system.
editor by CX 2024-02-29
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