Product Description
SWZ CH Type Cardan Shaft(JB/T3242-1993)
Cardan shaft is widely used in rolling mill, punch, straightener, crusher, ship drive, paper making equipment, common machinery, water pump equipment, test bench, and other mechanical applications.
Advantage:
1. Low life-cycle costs and long service life;
2. Increase productivity;
3. Professional and innovative solutions;
4. Reduce carbon dioxide emissions, and environmental protection;
5. High torque capacity even at large deflection angles;
6. Easy to move and run smoothly;
·Mark example:
Tactical diameter D=425mm,Installation length L=2850mm,CH type cardan shaft;
SWZ425CH×2850 Coupling JB/T3242-93
·SWZ CH Cardan Shaft Basic Parameter And Main Dimension(JB/T3242-1993)
| Type | Tactical diameter D mm |
Nominal torque Tn kN·m |
Fatique torque Tf kN·m |
Axis angle β (°) |
Stretch length S mm |
Dimension(mm) | Rotary inertia kg·m2 |
Mass kg |
|||||||||||
| Lmin | Lm | D1 |
D2 H7 |
D3 | k | t | b h9 |
h | n-d | Lmin | Increase 100mm |
Lmin | Increase 100mm |
||||||
| SWZ160CH | 160 | 18 | 9 | ≤10 | 170 | 1571 | 120 | 138 | 95 | 135 | 15 | 5 | 20 | 6 | 8-13 | 0.232 | 0.01 | 95 | 5.75 |
| SWZ190CH | 190 | 31.5 | 16 | ≤10 | 210 | 1170 | 135 | 165 | 115 | 155 | 17 | 5 | 25 | 7 | 8-15 | 0.561 | 0.017 | 152 | 7.53 |
| SWZ220CH | 220 | 45 | 22 | ≤10 | 250 | 1370 | 155 | 190 | 130 | 180 | 20 | 6 | 32 | 9 | 8-17 | 1.127 | 0.030 | 247 | 10.12 |
| SWZ260CH | 260 | 80 | 40 | ≤10 | 290 | 1540 | 180 | 228 | 155 | 220 | 25 | 6 | 40 | 12.5 | 8-19 | 2.623 | 0.051 | 403 | 14.73 |
| SWZ300CH | 300 | 125 | 63 | ≤10 | 290 | 1680 | 215 | 260 | 180 | 250 | 30 | 7 | 40 | 15 | 10-23 | 5.079 | 0.093 | 578 | 18.41 |
| SWZ350CH | 350 | 200 | 100 | ≤10 | 340 | 1920 | 235 | 310 | 210 | 290 | 35 | 8 | 50 | 16 | 10-23 | 11.746 | 0.185 | 959 | 27.19 |
| SWZ400CH | 400 | 280 | 140 | ≤10 | 390 | 2240 | 270 | 358 | 240 | 320 | 40 | 8 | 70 | 18 | 10-25 | 21.800 | 0.262 | 1398 | 32.38 |
| SWZ425CH | 425 | 355 | 180 | ≤10 | 390 | 2310 | 295 | 376 | 255 | 350 | 42 | 10 | 80 | 20 | 16-28 | 30.571 | 0.340 | 1671 | 38.01 |
| SWZ450CH | 450 | 450 | 224 | ≤10 | 460 | 2480 | 300 | 400 | 270 | 370 | 44 | 10 | 80 | 20 | 16-28 | 41.087 | 0.461 | 2043 | 43.65 |
| SWZ500CH | 500 | 600 | 315 | ≤10 | 460 | 2720 | 340 | 445 | 300 | 400 | 47 | 12 | 90 | 22.5 | 16-31 | 66.122 | 0.613 | 2682 | 50.48 |
| SWZ550CH | 550 | 800 | 400 | ≤10 | 550 | 2950 | 355 | 492 | 320 | 450 | 50 | 12 | 100 | 22.5 | 16-31 | 108.05 | 0.984 | 3605 | 63.22 |
·Note:1.Tf-Torque allowed by fatigue strength under varible load
2.Lmin-Minimum length after shortening
3.L-Installation length as required
♦Product Show
♦Other Products List
| Transmission Machinery Parts Name |
Model |
| Universal Coupling | WS,WSD,WSP |
| Cardan Shaft | SWC,SWP,SWZ |
| Tooth Coupling | CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK |
| Disc Coupling | JMI,JMIJ,JMII,JMIIJ |
| High Flexible Coupling | LM |
| Chain Coupling | GL |
| Jaw Coupling | LT |
| Grid Coupling | JS |
Packaging & Shipping
♦Our Company
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 introduces 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 shaft 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 the new model when there is new cars in the market.
5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.
♦FAQ
Q 1: Are you 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 of 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 then cost of sample will be deducted.
Q 5: How long is your warranty?
A: Our Warranty is 12 month under normal circumstance.
Q 6: What is the MOQ?
A:Usually our MOQ is 1pcs.
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:1) T/T.
♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
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Understanding the Torque and Misalignment Capabilities of Shaft Couplings
Shaft couplings play a critical role in transmitting torque and accommodating misalignment between rotating shafts in mechanical power transmission systems. Understanding their torque and misalignment capabilities is essential for selecting the right coupling for a specific application. Here's an overview:
Torque Transmission:
The torque capacity of a shaft coupling refers to its ability to transmit rotational force from one shaft to another. It is typically specified in torque units, such as Nm (Newton-meters) or lb-ft (pound-feet). The coupling's torque capacity depends on its design, size, and material.
When selecting a coupling, it's crucial to ensure that its torque capacity meets or exceeds the torque requirements of the application. Overloading a coupling beyond its torque capacity can lead to premature failure or damage to the coupling and connected equipment.
Misalignment Compensation:
Shaft misalignment can occur due to various factors, including thermal expansion, manufacturing tolerances, or foundation settling. Misalignment puts additional stress on the coupling and connected components, potentially leading to increased wear and reduced efficiency.
Shaft couplings are designed to compensate for different types of misalignment:
- Angular Misalignment: Occurs when the shafts are not parallel and have an angle between them.
- Parallel Misalignment: Occurs when the shafts are not collinear, resulting in axial displacement.
- Radial Misalignment: Occurs when the shafts have lateral displacement but remain parallel.
The coupling's misalignment capabilities are specified in terms of angular and axial misalignment values, usually in degrees or millimeters. Different coupling designs can accommodate varying degrees of misalignment, and the choice depends on the specific application and operating conditions.
Flexible Couplings:
Flexible couplings, such as elastomeric or jaw couplings, offer good misalignment compensation. They can handle a combination of angular, parallel, and axial misalignments. However, their torque capacity may be limited compared to rigid couplings.
Rigid Couplings:
Rigid couplings, such as clamp or sleeve couplings, have high torque transmission capabilities but offer minimal misalignment compensation. They are best suited for applications where shafts are well-aligned and precise torque transmission is critical.
Torsional Stiffness:
Another factor to consider is the coupling's torsional stiffness, which determines how much torsional deflection or twist occurs under load. Some applications, like precision systems, may require couplings with high torsional stiffness to maintain accurate positioning and avoid torsional backlash.
By understanding the torque and misalignment capabilities of shaft couplings, engineers can make informed decisions when selecting a coupling to ensure efficient power transmission and reliable performance in their mechanical systems.
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Can Shaft Couplings Handle Reversing Loads and Shock Loads Effectively?
Yes, shaft couplings are designed to handle both reversing loads and shock loads effectively, but the capability depends on the specific type of coupling and its design.
Reversing Loads:
Many shaft couplings, such as elastomeric couplings, gear couplings, and grid couplings, can handle reversing loads without any issue. Reversing loads occur when the direction of the torque changes periodically, causing the shafts to rotate in opposite directions. The flexibility of elastomeric couplings and the sturdy design of gear and grid couplings allow them to accommodate these reversing loads while maintaining reliable torque transmission.
Shock Loads:
Shock loads are sudden and high-magnitude forces that occur during start-up, sudden stops, or impact events. Shaft couplings with shock-absorbing features, such as elastomeric couplings and grid couplings, excel at handling shock loads. The elastomeric material in elastomeric couplings and the grid element in grid couplings act as shock absorbers, reducing the impact on the connected equipment and minimizing the risk of damage to the coupling itself.
It's essential to select the appropriate coupling type based on the specific application's requirements, including the magnitude and frequency of reversing loads and shock loads. Some couplings may have limitations on the amount of shock load they can handle, so it's crucial to refer to the manufacturer's specifications and guidelines for proper coupling selection.
In heavy-duty applications with high reversing loads and shock loads, it may be necessary to consider specialized couplings designed explicitly for such conditions, like disc couplings or fluid couplings, which can offer even better performance in handling these challenging load conditions.
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Diagnosing and Fixing Common Issues with Shaft Couplings
Regular inspection and maintenance of shaft couplings are essential to detect and address common issues that may arise during operation. Here are steps to diagnose and fix some common coupling problems:
1. Abnormal Noise or Vibration:
If you notice unusual noise or excessive vibration during equipment operation, it may indicate misalignment, wear, or damage in the coupling. Check for any visible signs of damage, such as cracks or deformations, and inspect the coupling for proper alignment.
Diagnosis:
Use a vibration analysis tool to measure the vibration levels and identify the frequency of the abnormal vibrations. This can help pinpoint the source of the problem.
Fix:
If misalignment is the cause, adjust the coupling to achieve proper alignment between the shafts. Replace any damaged or worn coupling components, such as spiders or elastomeric inserts, as needed.
2. Excessive Heat:
Feeling excessive heat on the coupling during operation can indicate friction, improper lubrication, or overload conditions.
Diagnosis:
Inspect the coupling and surrounding components for signs of rubbing, lack of lubrication, or overloading.
Fix:
Ensure proper lubrication of the coupling, and check for any interference between the coupling and adjacent parts. Address any overloading issues by adjusting the equipment load or using a coupling with a higher torque capacity.
3. Shaft Movement:
If you observe axial or radial movement in the connected shafts, it may indicate wear or improper installation of the coupling.
Diagnosis:
Check the coupling's set screws, keyways, or other fastening methods to ensure they are secure and not causing the shaft movement.
Fix:
If the coupling is worn or damaged, replace it with a new one. Ensure proper installation and use appropriate fastening methods to secure the coupling to the shafts.
4. Sheared Shear Pin:
In shear pin couplings, a sheared shear pin indicates overloading or shock loads that exceeded the coupling's torque capacity.
Diagnosis:
Inspect the shear pin for damage or breakage.
Fix:
Replace the sheared shear pin with a new one of the correct specifications. Address any overloading issues or adjust the equipment to prevent future shearing.
5. Coupling Wear:
Regular wear is normal for couplings, but excessive wear may lead to decreased performance and increased misalignment.
Diagnosis:
Inspect the coupling components for signs of wear, such as worn elastomeric elements or damaged teeth.
Fix:
Replace the worn or damaged components with new ones of the appropriate specifications.
Remember, regular maintenance and periodic inspection are key to diagnosing issues early and preventing severe problems. Always follow the manufacturer's recommendations for maintenance and replacement schedules to ensure the proper functioning and longevity of the shaft coupling.
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editor by CX 2024-03-14