Universal Cardan Drive Shaft SWC440BH-2500 for Cold Rolling Mill

Universal Cardan Drive Shaft SWC440BH-2500 for Cold Rolling Mill

The Cardan drive shaft SWC440BH-2500 is a crucial component used in cold rolling mills. Cold rolling is a process in which metal sheets or strips are passed through a series of rollers at room temperature to reduce their thickness and improve their surface finish. The Cardan drive shaft plays a vital role in transmitting power and torque from the main motor to the rolling mill.The Cardan drive shaft SWC440BH-2500 is typically made of high-quality alloy steel, such as 40Cr or 42CrMo, which provides excellent strength, durability, and resistance to wear and fatigue. It features a Cardan joint or universal joint at each end, which allows for angular misalignment and compensates for the relative movement between the driving and driven shafts. The Cardan joint consists of a cross-shaped or H-shaped yoke with needle bearings, ensuring smooth rotation and efficient power transmission.The Cardan drive shaft accommodates angular misalignment, axial displacement, and radial displacement between the driving and driven shafts. This flexibility helps to minimize stress and vibration, ensuring the smooth operation of the cold rolling mill.

Cold Rolling Mill Cardan Drive Shaft SWC440BH-2500 Dimensions

Cold Rolling Mill Cardan Drive Shaft SWC440BH-2500 Specifications

No.	Gyration diameter Dmm	Nominal torqueTnKN·m	Axes fold angleβ(°)	Weary torqueTfKN·m	Flex quantityLs mm	Size (mm)										Rotating inertiakg.m2		Weight (kg)
						Lmin	D1(js11)	D2(H7)	D3	Lm	n-d	k	t	b(h9)	g	Lmin	Increase100mm	Lmin	Increase100mm
SWC440BH	440	355	180	≤15	190	1875	390	255	325	260	16-28	42	10	80	20	21.42	0.4744	1190	21.7

Structural Components of Cardan Drive Shaft SWC440BH for Cold Rolling Mill

The Cardan drive shaft SWC440BH for a cold rolling mill consists of several structural components that work together to transmit power and torque. Here are the main structural components of the Cardan drive shaft SWC440BH:1. Shaft Tubes: The Cardan drive shaft typically consists of two long cylindrical shaft tubes that connect the driving and driven ends. These tubes are often made of high-strength alloy steel and have a uniform diameter along their length.2. Universal Joints: At each end of the shaft tubes, universal joints, also known as Cardan joints, are fitted. These joints consist of a cross-shaped or H-shaped yoke with needle bearings. The yoke connects to the shaft tubes, while the needle bearings allow for angular movement and compensate for misalignment between the driving and driven shafts.3. Flanges: The flanges are mounted on the ends of the shaft tubes and provide the means for connecting the Cardan drive shaft to the driving and driven components. They are typically bolted or welded to the shaft tubes and have holes or splines to attach to the corresponding flanges on the motor and rolling mill.4. Center Bearing Support: In longer Cardan drive shafts, a center bearing support may be included to provide additional support and stability. This bearing support is usually mounted on a stationary frame or structure and helps to minimize shaft deflection and vibration.5. Guards and Covers: To ensure operator safety and protect the rotating components, the Cardan drive shaft may be equipped with guards or covers. These protective elements prevent accidental contact with the rotating shaft and joints, reducing the risk of injuries.6. Lubrication Fittings: Proper lubrication is crucial for the smooth operation and longevity of the Cardan drive shaft. Lubrication fittings or grease nipples are incorporated into the universal joints or shaft tubes to allow for easy access to lubricate the bearings.

How Does Cardan Drive Shaft SWC440BH-2500 for Cold Rolling Mill Work?

The Cardan drive shaft SWC440BH-2500 is a specific variant of the Cardan drive shaft that is designed for use in cold rolling mills. It operates based on the principles of universal joint and torque transmission. Here's how the Cardan drive shaft SWC440BH-2500 works in a cold rolling mill:(1) Power input: The Cardan drive shaft is connected to the motor or power source of the cold rolling mill. The shaft receives rotational power from the motor, which is typically an electric motor or an engine.(2) Universal joints: The Cardan drive shaft consists of one or more universal joints. A universal joint is a mechanical coupling that allows for the transmission of torque between two shafts that are not in a straight line. It consists of two yokes connected by a cross-shaped center piece.(3) Torque transmission: The rotational power from the motor is transmitted to the input yoke of the first universal joint in the Cardan drive shaft. As the motor rotates, it causes the input yoke to rotate, which, in turn, rotates the cross-shaped center piece of the universal joint.(4) Misalignment compensation: The cross-shaped center piece of the universal joint allows for the compensation of misalignments between the motor and the rolling mill. It can accommodate angular, parallel, and axial misalignments, ensuring smooth power transmission even in misaligned conditions. This flexibility helps to prevent excessive stress on the equipment and allows for continuous operation.(5) Intermediate shafts: In some cases, the Cardan drive shaft SWC440BH-2500 may consist of multiple universal joints and intermediate shafts. Intermediate shafts provide additional support and allow for the transmission of power over longer distances.(6) Power output: The rotational power is transmitted from the last universal joint to the rolling mill's drive mechanism. This drive mechanism can be a gearbox, a coupling, or any other component that connects the Cardan drive shaft to the rolling mill's working rolls.(7) Rolling mill operation: The power transferred through the Cardan drive shaft drives the working rolls of the cold rolling mill. These rolls apply pressure and reduce the thickness of metal sheets or strips while improving their surface quality.

Proper Lubrication of Cardan Drive Shaft SWC440BH-2500 for Cold Rolling Mill

Proper lubrication of the Cardan drive shaft SWC440BH-2500, especially in the demanding environment of a cold rolling mill, is crucial for ensuring its longevity, reliability, and efficient performance. Here's an overview of the key considerations and steps for ensuring proper lubrication:Importance of Lubrication

• Reduces Friction: Proper lubrication minimizes the friction between the moving parts of the drive shaft, particularly at the joints, which is critical to prevent wear and tear.
• Heat Dissipation: It helps in dissipating heat generated by the operation of the drive shaft, maintaining optimal working temperatures.
• Prevents Corrosion: Lubricants can also protect the drive shaft components from corrosion and rust, which are common in industrial environments with moisture and chemical exposure.
• Enhances Performance: Ensuring that all components are well-lubricated leads to smoother operation and can significantly extend the service life of the drive shaft.

Lubrication Tips

• Use the Right Lubricant: Select a lubricant that is suitable for the specific conditions of a cold rolling mill, considering factors such as temperature extremes, potential contaminants, and load requirements. High-performance, industrial-grade greases are often recommended.
• Regular Inspection and Application: Establish a regular schedule for inspecting and lubricating the drive shaft. The frequency of lubrication can depend on the operational hours, environmental conditions, and manufacturer's recommendations.
• Focus on Universal Joints: The universal joints, being the most critical moving parts, require particular attention. Ensure that they are lubricated adequately to prevent any metal-to-metal contact.
• Clean Before Lubricating: Remove any dirt, grime, or old grease from the parts before applying new lubricant. This prevents the accumulation of contaminants that can reduce the effectiveness of the lubrication.
• Follow Manufacturer’s Guidelines: Always refer to the manufacturer’s instructions for specific lubrication recommendations, including the types and amounts of lubricant to use.

Lubrication Process

1. Identify Lubrication Points: Locate all the lubrication points on the drive shaft, including universal joints and sliding splines.
2. Clean Lubrication Points: Use a clean cloth or brush to remove any debris or old lubricant from these points.
3. Apply Lubricant: Using a grease gun, apply the lubricant to each point. Ensure the grease fully penetrates the joints and covers all necessary surfaces.
4. Wipe Excess: After application, wipe away any excess lubricant to prevent the attraction of dirt.
5. Operational Test: After lubrication, run the drive shaft at a low speed to ensure smooth operation and that the lubricant is evenly distributed.

Industrial Cardan Drive Shaft Manufacturers

Raydafon Transmission Machinery Co., Ltd. is a professional company dedicated to the research, development, design, and manufacture of transmission shafts for metallurgical machinery, papermaking machinery, woodworking machinery, plastics machinery, mining machinery, textile machinery, petroleum machinery, water conservancy machinery, road construction machinery, excavating machinery, etc. The company adopts advanced computerized design technology, excellent numerical-control machining equipment, all-around screen test methods, and complete Microsoft system management, creating a reliable product strength. The factory specializes in the production of SWC, SWP, SWL cross shaft universal shaft, flexible jaw couplings, spacer couplings, rigid couplings, HRC couplings, fluid couplings, chain couplings, flange flexible couplings, gear couplings, and so on. Its various performance indicators by the user feedback have reached or exceeded the advanced level of the industry; the products are sold to major domestic OEMs and exported abroad with the host. After years of efforts, we have provided support services for a number of companies across the country; in the future, we will continue to do better for the majority of customers by providing quality products and quality service. And welcome friends from all walks of life to visit and negotiate.

FAQ

Q 1: Are you a trading company or a manufacturer?A: We are a professional manufacturer specializing in manufacturingvarious series of cardan drive shafts.Q 2: Can you do OEM?Yes, we can. We can do OEM & ODM for all customers with customized PDF or AI format artwork.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 an excellent 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 the cardan drive shaft?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:1) T/T.