Product Description
Product Description
| GB | ГOCT | EN | DIN | W.N. | JIS | AISI/SAE | |
| 15CrMn | 16MnCr5 | 16MnCr5 | 1.7131 | 5115 | |||
| 20CrMn | 20MnCr5 | 20MnCr5 | 1.7147 | 5120 | |||
| 12CrMo | 12XM | 13CrMo44 | 1.7335 | 4119 | |||
| 15CrMo | 15XM | 15CrMo5 | 1.7262 | SCM415 | |||
| 20CrMo | 20XM | 20CrMo5 | 1.7264 | SCM420 | 4118 | ||
| 25CrMo | 30XM | 25CrMo4 | 1.7218 | ||||
| 30CrMo | SCM430 | 4130 | |||||
| 35CrMo | 35XM | 34CrMo4 | 1.722 | SCM435 | 4135 | ||
| 42CrMo | EN19 | 42CrMo4 | 1.7225 | SCM440 | 4140 | ||
| 50CrMo4 | 1.7228 | ||||||
| 40Cr | 40X | 41Cr4 | |||||
| 38XC | |||||||
| 25Cr2MoV | 25X2M1Φ | 24CrMoV55 | 1.7733 | ||||
| 50CrVA | 50CrV4 | 1.8159 | SUP10 | ||||
| 31CrMoV9 | 1.8519 | ||||||
| GCr15 | 100Cr6 | 100Cr6 | 1.3505 | 52100 | |||
| 20CrNiMo | 20XHM | 20NiCrMo2-2 | 21NiCrMo2 | 1.6523 | SNCM220 | 8620 | |
| 20XH3A | |||||||
| 20X2H4A | |||||||
| 17CrNiMo6 | 1.6587 | ||||||
| 18CrNiMo7-6 | 1.6587 | ||||||
| 34CrNiMo6 | 1.6582 | VCN150 | |||||
| 34NiCrMo16 | 35NiCrMo16 | 1.2766 | |||||
| 30CrNiMo8 | 1.658 | VCN200 | |||||
| 39NiCrMo3 | 1.651 | ||||||
| 34CrAlNi7 | 1.855 | ||||||
| 38CrMoAl | 38X2MОA | 41CrAlMo7 | 1.8509 | ||||
| 40CrNiMo | EN24 | 40NiCrMo8-4 | 1.6562 | SNCM439 | 4340 | ||
| 40CrNi | 40XH | 40NiCr6 | 1.5711 | ||||
| 20CrMnMo | 18XTM | SCM421 | |||||
| 40CrMnMo | 40XTM | SCM440 | |||||
| 30XTCA | |||||||
| 38XTH | |||||||
| 40XH2MA | |||||||
| 40X2H2MA | |||||||
| 38XH3MA | |||||||
| 38XH3MΦA |
HangZhou CZPT Heavy Industry Co. Ltd was established in 2008, the main products include: all kinds of forging rolls, patio drilling rig drilling tools, and various of large hydraulic cylinders.
The company produces various of forging rolls, which are widely used in steel mill rolling mills, copper and aluminum strip rolling mills, cement rotary kilns, roll presses, ore crushers, paper making rolls, rubber and plastic rollers, cylinder plungers, piston rods, hydraulic press tie rods, etc. The outer diameter of the roller can reach 800mm, and the length can reach 6000mm. The length of the piston rod and pull rod can reach 11 meters.
The company has 15 years of experience in the production of cutterheads and drilling tools for patio drilling rigs. The diameter of the cutterhead can reach 6 meters, and the drill pipe is from 8″-13″. Products have been exported to many countries, including South Africa, Brazil, Peru, Mexico, Vietnam, Russia and so on.
The various large hydraulic cylinders and high-precision AGC servo cylinders produced by the company are widely used in forging machinery, engineering and mining machinery, water conservancy engineering, ship machinery, port machinery, hydraulic lifting equipment, etc. Up to now, large cylinders have been widely used in various hydraulic presses, extruders, die-casting machines, injection molding machines, etc. In 2008, servo cylinders for steel mill rolling mills with a bore of 950mm were successfully exported to Poland. In 2009, the hydraulic cylinder with a stroke of 10 CZPT was successfully exported to the Pakistan water conservancy project. In October 2016, large cylinders weighing 90 tons per unit have been successfully exported to Russia. The range of cylinders that the company can produce: cylinder diameter 1000mm, stroke 12 meters, test pressure up to 50MPA.
The company has built a heavy workshop of 8,000 square meters. The workshop is equipped with double-decker driving. The lifting height can reach to 16 meters, and the design lifting capacity is 50 tons. The company has perfect machining equipment, heat treatment equipment and testing equipment, including: 11m horizontal lathe, vertical machining center, digital display boring and milling machine, gantry machining center, cylindrical grinding, various types of CNC lathes, 13m deep hole boring machine, 13m CNC deep hole honing machine, tempering CZPT with a length of 6 meters, a quenching tank with a length of 10 meters, a medium frequency quenching machine with a height of 6 meters, and a straightening machine with a pressure of 500 tons. Testing equipment includes: intelligent pressure test bench, ultrasonic flaw detector, magnetic particle flaw detector, coating thickness gauge, roughness tester, etc. The company is committed to providing customers with a full range of system solutions, to revitalize the national equipment to contribute, in the past 15 years, the company continues to develop the market and research and development of new products, the company’s products have been exported to more than 50 countries and regions.
The company has passed ISO9001, ISO14001, ISO45001 system certification. The company sincerely hopes to carry out technical exchanges with domestic and foreign counterparts, and looks CZPT to cooperating with customers in various industries, HangZhou CZPT Heavy Industry Co. Ltd welcomes your visit!
FAQ
1. who are we?
We are based in ZheJiang , China, start from 2008,sell to Domestic Market(36.00%),Eastern Europe(21.00%),Southeast Asia(16.00%),South America(12.00%),North America(9.00%),Northern Europe(4.00%),South Asia(2.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production; Always final Inspection before shipment;
3.what can you buy from us?
Roll and Rollers.
4. why should you buy from us not from other suppliers?
We have rich experience on casting, forging and heat treatment.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES; Accepted Payment Currency:USD,EUR,CNY; Accepted Payment Type: T/T,L/C,D/P D/A,Western Union; Language Spoken:English,Chinese,Portuguese,Russian
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| Material: | Alloy Steel |
|---|---|
| Load: | Drive Shaft |
| Stiffness & Flexibility: | Stiffness / Rigid Axle |
| Journal Diameter Dimensional Accuracy: | IT6-IT9 |
| Axis Shape: | Straight Shaft |
| Shaft Shape: | Real Axis |
| Customization: |
Available
| Customized Request |
|---|
How do drive shafts ensure efficient power transfer while maintaining balance?
Drive shafts employ various mechanisms to ensure efficient power transfer while maintaining balance. Efficient power transfer refers to the ability of the drive shaft to transmit rotational power from the source (such as an engine) to the driven components (such as wheels or machinery) with minimal energy loss. Balancing, on the other hand, involves minimizing vibrations and eliminating any uneven distribution of mass that can cause disturbances during operation. Here’s an explanation of how drive shafts achieve both efficient power transfer and balance:
1. Material Selection:
The material selection for drive shafts is crucial for maintaining balance and ensuring efficient power transfer. Drive shafts are commonly made from materials such as steel or aluminum alloys, chosen for their strength, stiffness, and durability. These materials have excellent dimensional stability and can withstand the torque loads encountered during operation. By using high-quality materials, drive shafts can minimize deformation, flexing, and imbalances that could compromise power transmission and generate vibrations.
2. Design Considerations:
The design of the drive shaft plays a significant role in both power transfer efficiency and balance. Drive shafts are engineered to have appropriate dimensions, including diameter and wall thickness, to handle the anticipated torque loads without excessive deflection or vibration. The design also considers factors such as the length of the drive shaft, the number and type of joints (such as universal joints or constant velocity joints), and the use of balancing weights. By carefully designing the drive shaft, manufacturers can achieve optimal power transfer efficiency while minimizing the potential for imbalance-induced vibrations.
3. Balancing Techniques:
Balance is crucial for drive shafts as any imbalance can cause vibrations, noise, and accelerated wear. To maintain balance, drive shafts undergo various balancing techniques during the manufacturing process. Static and dynamic balancing methods are employed to ensure that the mass distribution along the drive shaft is uniform. Static balancing involves adding counterweights at specific locations to offset any weight imbalances. Dynamic balancing is performed by spinning the drive shaft at high speeds and measuring any vibrations. If imbalances are detected, additional adjustments are made to achieve a balanced state. These balancing techniques help minimize vibrations and ensure smooth operation of the drive shaft.
4. Universal Joints and Constant Velocity Joints:
Drive shafts often incorporate universal joints (U-joints) or constant velocity (CV) joints to accommodate misalignment and maintain balance during operation. U-joints are flexible joints that allow for angular movement between shafts. They are typically used in applications where the drive shaft operates at varying angles. CV joints, on the other hand, are designed to maintain a constant velocity of rotation and are commonly used in front-wheel-drive vehicles. By incorporating these joints, drive shafts can compensate for misalignment, reduce stress on the shaft, and minimize vibrations that can negatively impact power transfer efficiency and balance.
5. Maintenance and Inspection:
Regular maintenance and inspection of drive shafts are essential for ensuring efficient power transfer and balance. Periodic checks for wear, damage, or misalignment can help identify any issues that may affect the drive shaft’s performance. Lubrication of the joints and proper tightening of fasteners are also critical for maintaining optimal operation. By adhering to recommended maintenance procedures, any imbalances or inefficiencies can be addressed promptly, ensuring continued efficient power transfer and balance.
In summary, drive shafts ensure efficient power transfer while maintaining balance through careful material selection, thoughtful design considerations, balancing techniques, and the incorporation of flexible joints. By optimizing these factors, drive shafts can transmit rotational power smoothly and reliably, minimizing energy losses and vibrations that can impact performance and longevity.
How do drive shafts handle variations in load and vibration during operation?
Drive shafts are designed to handle variations in load and vibration during operation by employing various mechanisms and features. These mechanisms help ensure smooth power transmission, minimize vibrations, and maintain the structural integrity of the drive shaft. Here’s a detailed explanation of how drive shafts handle load and vibration variations:
1. Material Selection and Design:
Drive shafts are typically made from materials with high strength and stiffness, such as steel alloys or composite materials. The material selection and design take into account the anticipated loads and operating conditions of the application. By using appropriate materials and optimizing the design, drive shafts can withstand the expected variations in load without experiencing excessive deflection or deformation.
2. Torque Capacity:
Drive shafts are designed with a specific torque capacity that corresponds to the expected loads. The torque capacity takes into account factors such as the power output of the driving source and the torque requirements of the driven components. By selecting a drive shaft with sufficient torque capacity, variations in load can be accommodated without exceeding the drive shaft’s limits and risking failure or damage.
3. Dynamic Balancing:
During the manufacturing process, drive shafts can undergo dynamic balancing. Imbalances in the drive shaft can result in vibrations during operation. Through the balancing process, weights are strategically added or removed to ensure that the drive shaft spins evenly and minimizes vibrations. Dynamic balancing helps to mitigate the effects of load variations and reduces the potential for excessive vibrations in the drive shaft.
4. Dampers and Vibration Control:
Drive shafts can incorporate dampers or vibration control mechanisms to further minimize vibrations. These devices are typically designed to absorb or dissipate vibrations that may arise from load variations or other factors. Dampers can be in the form of torsional dampers, rubber isolators, or other vibration-absorbing elements strategically placed along the drive shaft. By managing and attenuating vibrations, drive shafts ensure smooth operation and enhance overall system performance.
5. CV Joints:
Constant Velocity (CV) joints are often used in drive shafts to accommodate variations in operating angles and to maintain a constant speed. CV joints allow the drive shaft to transmit power even when the driving and driven components are at different angles. By accommodating variations in operating angles, CV joints help minimize the impact of load variations and reduce potential vibrations that may arise from changes in the driveline geometry.
6. Lubrication and Maintenance:
Proper lubrication and regular maintenance are essential for drive shafts to handle load and vibration variations effectively. Lubrication helps reduce friction between moving parts, minimizing wear and heat generation. Regular maintenance, including inspection and lubrication of joints, ensures that the drive shaft remains in optimal condition, reducing the risk of failure or performance degradation due to load variations.
7. Structural Rigidity:
Drive shafts are designed to have sufficient structural rigidity to resist bending and torsional forces. This rigidity helps maintain the integrity of the drive shaft when subjected to load variations. By minimizing deflection and maintaining structural integrity, the drive shaft can effectively transmit power and handle variations in load without compromising performance or introducing excessive vibrations.
8. Control Systems and Feedback:
In some applications, drive shafts may be equipped with control systems that actively monitor and adjust parameters such as torque, speed, and vibration. These control systems use sensors and feedback mechanisms to detect variations in load or vibrations and make real-time adjustments to optimize performance. By actively managing load variations and vibrations, drive shafts can adapt to changing operating conditions and maintain smooth operation.
In summary, drive shafts handle variations in load and vibration during operation through careful material selection and design, torque capacity considerations, dynamic balancing, integration of dampers and vibration control mechanisms, utilization of CV joints, proper lubrication and maintenance, structural rigidity, and, in some cases, control systems and feedback mechanisms. By incorporating these features and mechanisms, drive shafts ensure reliable and efficient power transmission while minimizing the impact of load variations and vibrations on overall system performance.
How do drive shafts contribute to transferring rotational power in various applications?
Drive shafts play a crucial role in transferring rotational power from the engine or power source to the wheels or driven components in various applications. Whether it’s in vehicles or machinery, drive shafts enable efficient power transmission and facilitate the functioning of different systems. Here’s a detailed explanation of how drive shafts contribute to transferring rotational power:
1. Vehicle Applications:
In vehicles, drive shafts are responsible for transmitting rotational power from the engine to the wheels, enabling the vehicle to move. The drive shaft connects the gearbox or transmission output shaft to the differential, which further distributes the power to the wheels. As the engine generates torque, it is transferred through the drive shaft to the wheels, propelling the vehicle forward. This power transfer allows the vehicle to accelerate, maintain speed, and overcome resistance, such as friction and inclines.
2. Machinery Applications:
In machinery, drive shafts are utilized to transfer rotational power from the engine or motor to various driven components. For example, in industrial machinery, drive shafts may be used to transmit power to pumps, generators, conveyors, or other mechanical systems. In agricultural machinery, drive shafts are commonly employed to connect the power source to equipment such as harvesters, balers, or irrigation systems. Drive shafts enable these machines to perform their intended functions by delivering rotational power to the necessary components.
3. Power Transmission:
Drive shafts are designed to transmit rotational power efficiently and reliably. They are capable of transferring substantial amounts of torque from the engine to the wheels or driven components. The torque generated by the engine is transmitted through the drive shaft without significant power losses. By maintaining a rigid connection between the engine and the driven components, drive shafts ensure that the power produced by the engine is effectively utilized in performing useful work.
4. Flexible Coupling:
One of the key functions of drive shafts is to provide a flexible coupling between the engine/transmission and the wheels or driven components. This flexibility allows the drive shaft to accommodate angular movement and compensate for misalignment between the engine and the driven system. In vehicles, as the suspension system moves or the wheels encounter uneven terrain, the drive shaft adjusts its length and angle to maintain a constant power transfer. This flexibility helps prevent excessive stress on the drivetrain components and ensures smooth power transmission.
5. Torque and Speed Transmission:
Drive shafts are responsible for transmitting both torque and rotational speed. Torque is the rotational force generated by the engine or power source, while rotational speed is the number of revolutions per minute (RPM). Drive shafts must be capable of handling the torque requirements of the application without excessive twisting or bending. Additionally, they need to maintain the desired rotational speed to ensure the proper functioning of the driven components. Proper design, material selection, and balancing of the drive shafts contribute to efficient torque and speed transmission.
6. Length and Balance:
The length and balance of drive shafts are critical factors in their performance. The length of the drive shaft is determined by the distance between the engine or power source and the driven components. It should be appropriately sized to avoid excessive vibrations or bending. Drive shafts are carefully balanced to minimize vibrations and rotational imbalances, which can affect the overall performance, comfort, and longevity of the drivetrain system.
7. Safety and Maintenance:
Drive shafts require proper safety measures and regular maintenance. In vehicles, drive shafts are often enclosed within a protective tube or housing to prevent contact with moving parts, reducing the risk of injury. Safety shields or guards may also be installed around exposed drive shafts in machinery to protect operators from potential hazards. Regular maintenance includes inspecting the drive shaft for wear, damage, or misalignment, and ensuring proper lubrication of the U-joints. These measures help prevent failures, ensure optimal performance, and extend the service life of the drive shaft.
In summary, drive shafts play a vital role in transferring rotational power in various applications. Whether in vehicles or machinery, drive shafts enable efficient power transmission from the engine or power source to the wheels or driven components. They provide a flexible coupling, handle torque and speed transmission, accommodate angular movement, and contribute to the safety and maintenance of the system. By effectively transferring rotational power, drive shafts facilitate the functioning and performance of vehicles and machinery in numerous industries.
editor by CX 2024-03-27