Product Description
Product Description
QZM-82 CNC machining small parts
1. Precision CNC machining parts strictly follow customers’ drawing, packing, and quality requirements.
2. Tolerance: between+/-0.01mm;
3. The high-tech CMM inspector to ensure the quality;
4. Full-Experienced engineers and well professional trained workers;
5. Fast delivery time;
6. Professional advice for our customers;
Detailed Photos
Product Parameters
Our advantage of cnc machining:
| Business Type | Beyond the Manufacturer and strong organized ability in the industrial |
| Benefits | 1. Deeper industrial experience at CNC machining parts service for more than 10-years,our customer’s requirement is our 1st priority. 2. 2D or 3D files is available; 3. We trust the quality priority and we insist the good quality should be based on the customers’ satisfied; 4. Without any MOQ requirement; 5.Faster delivery time; 6. Customized size and specification /OEM available 7. Near ZheJiang Port |
The material
| Materials Accept |
Stainless Steel | SS201, SS303, SS304, SS316 etc. |
| Steel | Q235, 20#, 45#, | |
| Brass | C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37) , C28000(CuZn40) | |
| Iron | 1213, 12L14,1215 etc. | |
| Bronze | C51000, C52100, C54400, etc. | |
| Aluminum | Al6061, Al6063,AL7075,AL5052 etc | |
| Plastic | ABS,POM,PC(Poly-Carbonate),PC+GF,PA(nylon),PA+GF, PMMA(acrylic)PEEK,PEI etc) |
Packaging & Shipping
- We prefer DHL or TNT express or other air freight between 1kg-100kg.
- we prefer sea freight more than 100kg or more than 1CBM
- As per customized specifications.
Company Profile
About us
HangZhou CHINAMFG Technology Co.,Ltd is located in HangZhou City, ZheJiang Province, Which closed the ZheJiang .The Emitech Technology is mainly engaged in the CNC Machinery Industrial Service for 15 years. Our Parts are sold to Europe, America, Japan, South Korea and China in various kinds of industrial.At present, Our company has CNC Turning machines and CNC centers and equip with professional quality and testing instruments.We have full OEM Experience from worldwide, providing them with One-stop solutions for a broad range of applications.We look CHINAMFG to cooperating with you!
Our Advantages
1. Precision CNC machining parts strictly follow customer’s drawing,packing and quality requirement.
2. Tolerance: between+/-0.01mm;
3. The high-tech CMM inspector to ensure the quality;
4. Full-Experienced engineers and well professional trained workers;
5. Fast delivery time;
6. Professional advice for our customers;
After Sales Service
CNC machining prototype design rapid prototyping
We usually provide 12 Months repair service. If our duty, we will respond to send the new parts.
Our Service
| Our Processing | CNC center, CNC milling, CNC turning, drilling, grinding, bending, stamping, tapping, |
| Surface finish | Polishing, sandblasting, Zinc-plated, nickel-plated, chrome-plated, silver-plated, gold-plated, imitation gold-plated, |
| Tolerance | 0.05mm~0.1mm |
| QC System | 100% inspection before shipment |
| Drawing format | CAD / PDF/ DWG/ IGS/ STEP |
| Packaging | Plastic bag/Standard package / Carton or Pallet / As per customized specifications |
| Payment Terms | 30 -50%T/T in advance, 70-50% balance before delivery; Pay Pal or Western Union is acceptable. |
| Trade terms | EXW, FOB, CIF, As per the customer’s request |
| Shipment Terms |
1)We prefer DHL or TNT express or other air freight between 1kg-100kg. 2) we prefer sea freight more than 100kg or more than 1CBM |
| Note | The CNC machining parts are usually custom-made based on the customer’s drawings and samples. So we need the Down Payment |
Exploring the various materials used in manufacturing mechanical couplings.
Mechanical couplings are manufactured using a wide range of materials, each chosen based on specific application requirements. The choice of material impacts the coupling’s performance, durability, and suitability for different operating conditions. Here are some common materials used in manufacturing mechanical couplings:
1. Steel:
Steel is one of the most widely used materials for mechanical couplings due to its strength, durability, and cost-effectiveness. It is suitable for various applications, including high-torque and high-speed requirements. Stainless steel is often preferred for couplings in corrosive environments.
2. Aluminum:
Aluminum is known for its lightweight properties, making it suitable for applications where reducing weight is essential, such as in aerospace and automotive industries. However, aluminum couplings may have lower torque capacities compared to steel couplings.
3. Cast Iron:
Cast iron is used in couplings requiring high strength and wear resistance. It is commonly used in industrial machinery and heavy-duty applications.
4. Bronze:
Bronze is chosen for its excellent resistance to corrosion and its ability to handle high shock loads. Bronze couplings are often used in marine and hydraulics applications.
5. Brass:
Brass is used in couplings where electrical conductivity is required, such as in some electrical motor couplings.
6. Rubber and Elastomers:
Rubber and elastomers are used in flexible couplings to provide flexibility and vibration damping. They can absorb shocks and compensate for misalignments in various applications.
7. Polyurethane:
Polyurethane is commonly used in elastomeric couplings due to its excellent resilience, toughness, and resistance to wear.
8. Thermoplastics:
Thermoplastics like nylon and polyethylene are used in lightweight couplings with low torque requirements. They are known for their low friction and self-lubricating properties.
9. Composite Materials:
Composite materials, such as carbon fiber-reinforced polymers, are used in high-performance couplings where a balance of strength and weight is crucial.
10. Ceramic:
Ceramic couplings are used in extreme temperature and high-speed applications due to their excellent thermal and wear resistance properties.
The choice of material for a mechanical coupling depends on factors like the application’s operating conditions, load requirements, environmental factors, and cost considerations. Selecting the right material ensures that the coupling can perform reliably and efficiently in its intended application.
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What are the temperature and environmental limits for mechanical couplings?
Mechanical couplings are designed to operate within specific temperature and environmental limits to ensure their performance and longevity. These limits can vary depending on the coupling type, materials, and the specific application. Here are some general considerations regarding temperature and environmental limits for mechanical couplings:
Temperature Limits:
Mechanical couplings are typically rated to handle a specific temperature range. Extreme temperatures can affect the mechanical properties of the coupling’s materials and lead to premature wear or failure.
High-Temperature Applications: In high-temperature environments, couplings made from materials with high-temperature resistance, such as stainless steel or high-temperature alloys, are often used. These couplings can withstand elevated temperatures without experiencing significant degradation.
Low-Temperature Applications: In low-temperature environments, special consideration must be given to the materials’ brittleness and the potential for reduced flexibility. Some couplings may require low-temperature lubricants or preheating to ensure proper operation in cold conditions.
Environmental Limits:
Mechanical couplings can be exposed to various environmental factors that may impact their performance. Manufacturers specify the environmental limits for their couplings, and it is essential to adhere to these guidelines.
Corrosive Environments: In corrosive environments, such as those with exposure to chemicals or saltwater, couplings made from corrosion-resistant materials, like stainless steel or nickel alloys, are preferred. Proper seals and coatings may also be necessary to protect the coupling from corrosion.
High Humidity or Moisture: Excessive humidity or moisture can lead to rust and corrosion, especially in couplings made from ferrous materials. In such environments, using couplings with proper corrosion protection or moisture-resistant coatings is advisable.
Outdoor Exposure: Couplings used in outdoor applications should be designed to withstand exposure to weather elements, such as rain, UV radiation, and temperature fluctuations. Enclosures or protective covers may be necessary to shield the coupling from environmental factors.
Special Applications:
Certain industries, such as food and pharmaceutical, have strict hygiene requirements. In such cases, couplings made from food-grade or hygienic materials are utilized to prevent contamination and meet regulatory standards.
It is crucial to consult the coupling manufacturer’s specifications and guidelines to determine the appropriate temperature and environmental limits for a specific coupling. Adhering to these limits ensures the coupling’s proper operation and longevity in its intended application, reducing the risk of premature wear and failures caused by extreme conditions.
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What is a mechanical coupling and its significance in engineering applications?
A mechanical coupling is a device used to connect two rotating shafts or components in a mechanical system to transmit torque and motion between them. It plays a crucial role in various engineering applications by providing a reliable and efficient means of power transmission. The significance of mechanical couplings in engineering applications can be understood through the following points:
1. Torque Transmission:
One of the primary functions of a mechanical coupling is to transmit torque from one shaft to another. This allows for the transfer of power between different components of a machine or system.
2. Misalignment Compensation:
Mechanical couplings can accommodate certain degrees of misalignment between connected shafts. This is crucial in real-world applications where perfect alignment may not always be achievable or maintained due to various factors.
3. Vibration Damping:
Some mechanical couplings, especially flexible couplings, help dampen vibrations caused by imbalances or load fluctuations. This feature prevents excessive wear on components and improves the overall stability and performance of the system.
4. Shock Absorption:
In systems subject to sudden shocks or impacts, mechanical couplings with certain flexibility can absorb and dissipate the energy, protecting the connected equipment from damage.
5. Load Distribution:
By connecting two shafts, a mechanical coupling can evenly distribute the load between them. This ensures that both shafts share the torque and forces, preventing premature wear on a single shaft.
6. Versatility:
Mechanical couplings come in various types and designs, each tailored to specific applications. This versatility allows engineers to choose the most suitable coupling based on factors such as load requirements, speed, misalignment tolerance, and environmental conditions.
7. Maintenance and Repair:
In engineering applications, mechanical couplings are generally modular and easy to replace, simplifying maintenance and repair tasks. This helps reduce downtime and improves the overall efficiency of the system.
8. Reducing Overload:
In scenarios where the connected components experience overload or excessive torque, certain types of mechanical couplings can act as a safety feature by slipping or disengaging before damage occurs, protecting the system from catastrophic failure.
Overall, mechanical couplings are essential components in various engineering applications, including industrial machinery, automotive systems, power transmission, robotics, and many others. Their ability to reliably connect rotating shafts, transmit torque, and compensate for misalignment contributes significantly to the smooth and efficient operation of mechanical systems.
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editor by CX 2023-09-18
China factory Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling spline coupling
Product Description
Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling
Product Description
Main products
Coupling refers to a device that connects 2 shafts or shafts and rotating parts, rotates together during the transmission of motion and power, and does not disengage under normal conditions. Sometimes it is also used as a safety device to prevent the connected parts from bearing excessive load, which plays the role of overload protection.
Couplings can be divided into rigid couplings and flexible couplings.
Rigid couplings do not have buffering property and the ability to compensate the relative displacement of 2 axes. It is required that the 2 axes be strictly aligned. However, such couplings are simple in structure, low in manufacturing cost, convenient in assembly and disassembly, and maintenance, which can ensure that the 2 axes are relatively neutral, have large transmission torque, and are widely used. Commonly used are flange coupling, sleeve coupling and jacket coupling.
Flexible coupling can also be divided into flexible coupling without elastic element and flexible coupling with elastic element. The former type only has the ability to compensate the relative displacement of 2 axes, but cannot cushion and reduce vibration. Common types include slider coupling, gear coupling, universal coupling and chain coupling; The latter type contains elastic elements. In addition to the ability to compensate the relative displacement of 2 axes, it also has the functions of buffering and vibration reduction. However, due to the strength of elastic elements, the transmitted torque is generally inferior to that of flexible couplings without elastic elements. Common types include elastic sleeve pin couplings, elastic pin couplings, quincunx couplings, tire type couplings, serpentine spring couplings, spring couplings, etc
Coupling performance
1) Mobility. The movability of the coupling refers to the ability to compensate the relative displacement of 2 rotating components. Factors such as manufacturing and installation errors between connected components, temperature changes during operation and deformation under load all put CZPT requirements for mobility. The movable performance compensates or alleviates the additional load between shafts, bearings, couplings and other components caused by the relative displacement between rotating components.
(2) Buffering. For the occasions where the load is often started or the working load changes, the coupling shall be equipped with elastic elements that play the role of cushioning and vibration reduction to protect the prime mover and the working machine from little or no damage.
(3) Safe, reliable, with sufficient strength and service life.
(4) Simple structure, easy to assemble, disassemble and maintain.
How to select the appropriate coupling type
The following items should be considered when selecting the coupling type.
1. The size and nature of the required transmission torque, the requirements for buffering and damping functions, and whether resonance may occur.
2. The relative displacement of the axes of the 2 shafts is caused by manufacturing and assembly errors, shaft load and thermal expansion deformation, and relative movement between components.
3. Permissible overall dimensions and installation methods, and necessary operating space for assembly, adjustment and maintenance. For large couplings, they should be able to be disassembled without axial movement of the shaft.
In addition, the working environment, service life, lubrication, sealing, economy and other conditions should also be considered, and a suitable coupling type should be selected by referring to the characteristics of various couplings.
If you cannot determine the type, you can contact our professional engineer
Related products
Company Profile
Our Equipments
Main production equipment:
Large lathe, surface grinder, milling machine, gear shaper, spline milling machine, horizontal broaching machine, gear hobbing machine, shaper, slotting machine, bench drilling machine, radial drilling machine, boring machine, band sawing machine, horizontal lathe, end milling machine, crankshaft grinder, CNC milling machine, casting equipment, etc.
Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector, special detection, modular fixture (self-made), etc.
Machining equipments
Heat equipment
Our Factory
Application – Photos from our partner customers
Company Profile
Our leading products are mechanical transmission basic parts – couplings, mainly including universal couplings, drum gear couplings, elastic couplings and other 3 categories of more than 30 series of varieties. It is widely used in metallurgical steel rolling, wind power, hydropower, mining, engineering machinery, petrochemical, lifting, paper making, rubber, rail transit, shipbuilding and marine engineering and other industries.
Our factory takes the basic parts of national standards as the benchmark, has more than 40 years of coupling production experience, takes “scientific management, pioneering and innovation, ensuring quality and customer satisfaction” as the quality policy, and aims to continuously provide users with satisfactory products and services. The production is guided by reasonable process, and the ISO9001:2015 quality management system standard is strictly implemented. We adhere to the principle of continuous improvement and innovation of coupling products. In recent years, it has successfully developed 10 national patent products such as SWF cross shaft universal coupling, among which the double cross shaft universal joint has won the national invention patent, SWF cross shaft universal coupling has won the new product award of China’s general mechanical parts coupling industry and the ZHangZhoug Province new product science and technology project.
Our factory has strong technical force, excellent process equipment, complete professional production equipment, perfect detection means, excellent after-sales service, various products and complete specifications. At the same time, we can provide the design and manufacturing of special non-standard products according to the needs of users. Our products sell well at home and abroad, and are trusted by the majority of users. We sincerely welcome friends from all walks of life at home and abroad to visit and negotiate for common development.p
What are the key differences between rigid and flexible mechanical couplings?
Rigid and flexible mechanical couplings are two main types of couplings used in various engineering applications. They differ significantly in their design and capabilities, each offering distinct advantages and limitations:
1. Design and Construction:
Rigid Couplings: Rigid couplings are solid and inflexible, typically made from materials like steel or aluminum. They have a compact design and provide a direct, non-flexible connection between the shafts.
Flexible Couplings: Flexible couplings are designed to provide some degree of flexibility between the connected shafts. They often consist of elements made from elastomers, rubber, or flexible materials that can bend or deform.
2. Misalignment Compensation:
Rigid Couplings: Rigid couplings are not designed to accommodate misalignment between the shafts. Precise alignment is critical for their effective operation.
Flexible Couplings: Flexible couplings can compensate for axial, radial, and angular misalignments between the shafts, allowing them to remain connected even when not perfectly aligned.
3. Torque Transmission:
Rigid Couplings: Rigid couplings provide an efficient and direct transfer of torque between the shafts. They are ideal for high-torque applications.
Flexible Couplings: Flexible couplings transmit torque between the shafts while allowing for some torsional flexibility. The torque transmission may not be as efficient as in rigid couplings, but they are suitable for applications with moderate torque requirements.
4. Vibration Damping:
Rigid Couplings: Rigid couplings do not have inherent vibration damping properties.
Flexible Couplings: Flexible couplings can dampen vibrations and shocks caused by imbalances or dynamic loads, reducing wear on connected components and enhancing system stability.
5. Applications:
Rigid Couplings: Rigid couplings are commonly used in applications where precise alignment is critical, such as in machine tools, gearboxes, and other systems requiring high precision.
Flexible Couplings: Flexible couplings find applications in various industries, including pumps, compressors, conveyor systems, automotive powertrains, and wherever misalignment compensation or vibration absorption is needed.
6. Maintenance:
Rigid Couplings: Rigid couplings generally require less maintenance due to their solid and simple design.
Flexible Couplings: Flexible couplings may require occasional maintenance, such as checking and replacing the flexible elements to ensure proper functioning.
In summary, the choice between rigid and flexible couplings depends on the specific requirements of the application. Rigid couplings offer excellent torque transmission and precision but require precise alignment. Flexible couplings accommodate misalignment and dampen vibrations, making them suitable for a wider range of applications but may have slightly lower torque transmission efficiency compared to rigid couplings.
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Real-world examples of mechanical coupling applications in different industries.
Mechanical couplings play a vital role in numerous industries, connecting shafts and transmitting torque between various mechanical components. Here are some real-world examples of mechanical coupling applications in different industries:
1. Manufacturing Industry:
In manufacturing plants, mechanical couplings are used in conveyor systems to connect motors to rollers or pulleys, enabling the movement of materials along assembly lines. They are also found in machine tools, such as lathes and milling machines, to transmit torque from the motor to the cutting tools.
2. Automotive Industry:
In the automotive sector, mechanical couplings are used in the powertrain to connect the engine to the transmission and wheels. They enable the transmission of torque from the engine to the wheels, allowing the vehicle to move. Couplings like universal joints (U-joints) are used in the drive shaft to accommodate the misalignment between the engine and the rear axle.
3. Aerospace Industry:
In the aerospace industry, mechanical couplings are used in aircraft engines to transmit torque from the turbine to the propellers or fans. They are also found in flight control systems to connect the pilot’s controls to the aircraft’s control surfaces, allowing for precise maneuvering.
4. Marine Industry:
In ships and boats, mechanical couplings are used in propulsion systems to connect the engine to the propeller shaft. They are also found in steering systems to connect the steering wheel to the rudder, enabling navigation and control of the vessel.
5. Oil and Gas Industry:
In the oil and gas sector, mechanical couplings are used in pumps and compressors to connect the electric motor or engine to the rotating shaft, facilitating the pumping or compression of fluids and gases. They are also used in drilling equipment to transmit torque from the drilling motor to the drill bit.
6. Mining Industry:
In mining operations, mechanical couplings are used in conveyors to transport mined materials, connecting motors to conveyor belts. They are also used in crushers and grinding mills to transmit torque from the motors to the crushing or grinding equipment.
7. Renewable Energy Industry:
In renewable energy applications, mechanical couplings are used in wind turbines to connect the rotor blades to the main shaft, enabling the conversion of wind energy into electricity. They are also used in hydroelectric power plants to connect the turbines to the generators.
8. Construction Industry:
In construction equipment, mechanical couplings are used in excavators, bulldozers, and other machinery to transmit torque from the engine to the hydraulic pumps and other working components.
These are just a few examples of how mechanical couplings are used across various industries to ensure efficient power transmission and smooth operation of a wide range of mechanical systems and equipment.
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Types of mechanical couplings and their specific uses in various industries.
Mechanical couplings come in various types, each designed to meet specific needs in different industries. Here are some common types of mechanical couplings and their specific uses:
1. Flexible Couplings:
Flexible couplings are versatile and widely used in industries such as:
- Industrial Machinery: Flexible couplings are used in pumps, compressors, fans, and other rotating equipment to transmit torque and absorb vibrations.
- Automotive: Flexible couplings are used in automotive powertrain systems to connect the engine to the transmission and accommodate engine vibrations.
- Railway: Flexible couplings are employed in railway systems to connect the diesel engine to the generator or alternator and accommodate dynamic forces during train movement.
2. Rigid Couplings:
Rigid couplings are mainly used in applications that require precise alignment and high torque transmission, such as:
- Mechanical Drives: Rigid couplings are used in gearboxes, chain drives, and belt drives to connect shafts and maintain accurate alignment.
- Pumps and Compressors: Rigid couplings are used in heavy-duty pumps and compressors to handle high torque loads.
- Machine Tools: Rigid couplings are employed in machine tool spindles to ensure precise rotational motion.
3. Gear Couplings:
Gear couplings are suitable for high-torque applications and are commonly found in industries such as:
- Steel and Metal Processing: Gear couplings are used in rolling mills, steel mills, and metal processing machinery to transmit high torque while accommodating misalignment.
- Mining: Gear couplings are employed in mining equipment to handle heavy loads and transmit torque in harsh conditions.
- Crushers and Conveyors: Gear couplings are used in material handling systems to drive crushers, conveyors, and other equipment.
4. Disc Couplings:
Disc couplings are used in various industries due to their high torsional stiffness and ability to handle misalignment. Some applications include:
- Gas Turbines: Disc couplings are used in gas turbine power generation systems to transmit torque from the turbine to the generator.
- Petrochemical: Disc couplings are employed in pumps, compressors, and agitators used in the petrochemical industry.
- Marine: Disc couplings are used in marine propulsion systems to connect the engine to the propeller shaft.
5. Universal Couplings (Hooke’s Joints):
Universal couplings find applications in industries where angular misalignment is common, such as:
- Aerospace: Universal couplings are used in aircraft control systems to transmit torque between flight control surfaces.
- Automotive: Universal couplings are employed in steering systems to allow for angular movement of the wheels.
- Shipbuilding: Universal couplings are used in marine propulsion systems to accommodate misalignment between the engine and propeller shaft.
These examples demonstrate how different types of mechanical couplings are employed across various industries to facilitate torque transmission, accommodate misalignment, and ensure efficient and reliable operation of different mechanical systems.
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editor by CX 2023-08-30