Product Description

Shaft Coupling with Cross-Shaped Slider (SL)

SL cross-type Oldham coupling also known as metal slider coupling, 2 end surface is provided with middle slider radial grooves and half couplings are respectively provided with tenon which was perpendicular to the middle slider at both ends of the tenon are respectively inserted, then coupling groove 2.5, forming a moving pair, if the amount of axial misalignment or deflection, motion of the slider in the groove of the slide, so to add lubricating oil working face groove and the slider, if the 2 are not concentric, when the speed is high, due to the eccentric slider will produce large centrifugal force and wear, and to bring the shaft and the loading of Jose this only applies to low speed and large load transfer.

Model	Tn(N·M)	[n]r/min	d	D	D1	L	H	S	(kg.m 2 )	(kg)
SL70	120	250	15~18	70	32	42	14	0.5	0.002	1.5
SL90	250	250	20~30	90	45	52	14		0.008	2.6
SL100	500	250	36~40	100	60	70	19		0.026	5.5
SL130	800	250	45~50	130	80	90	19		0.07	10
SL150	1250	250	55~60	150	95	112	19		0.14	15.5
SL170	2000	250	65~70	170	105	125	24		0.25	22.4
SL190	3200	250	75~80	190	110	140	29		0.5	31.5
SL210	5000	250	85~90	210	130	160	33	1.0	0.9	45
SL240	8000	250	95~100	240	140	180	33		1.6	59.5
SL260	9000	250	100~110	260	160	190	33		2	76
SL280	10000	100	110~120	280	170	200	33		3	94.3
SL300	13000	100	120~130	300	180	210	43		4.3	111
SL320	16000	100	130~140	320	190	220	43		5.7	129
SL340	20000	100	150	340	210	250	48		8.4	162
SL360	32500	100	160	360	240	280	48		19.2	258
SL400	38700	80	170	400	260	300	48		26.1	305
SL460	63000	70	200	460	300	350	58		62.9	560

Detailed Photos

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 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 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 new models when there are new cars in the market.

5. Quality Control
Every step should be a particular test by Professional Staff according to the standard of ISO9001 and TS16949.

FAQ

Q 1: Are you a trading company or a 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 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 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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What are the potential drawbacks or limitations of using rigid shaft couplings in certain applications?

Rigid shaft couplings, while offering benefits in certain scenarios, also have limitations that should be considered when selecting them for specific applications:

• Minimal Misalignment Compensation: Rigid couplings have limited ability to compensate for shaft misalignment, making them less suitable for applications with significant misalignment.
• Transmits Vibrations: Rigid couplings do not dampen vibrations, which can lead to increased wear and fatigue in connected components and decrease overall system lifespan.
• Higher Stress Concentration: Due to their rigid nature, these couplings can result in higher stress concentrations at the coupling ends, potentially leading to premature failure.
• Noisy Operation: Rigid couplings can amplify noise generated by connected equipment, contributing to a noisier operating environment.
• Requires Precise Alignment: Proper alignment during installation is crucial to prevent excessive loads on equipment and ensure reliable operation.
• Less Torsional Damping: Rigid couplings lack the torsional damping capabilities of some other coupling types, which may be necessary in systems with varying loads.
• Less Forgiving: Rigid couplings can transmit shocks and impacts directly to connected equipment, which may not be suitable for applications with frequent starts, stops, or heavy loads.

It’s important to carefully assess the specific requirements of an application and consider factors such as misalignment, vibration, torque transmission, and environmental conditions when deciding whether to use a rigid shaft coupling. In cases where the limitations of rigid couplings may pose challenges, other coupling types such as flexible, torsionally soft, or damping couplings could be more appropriate alternatives.

Can rigid shaft couplings reduce vibrations and noise in mechanical systems?

Rigid shaft couplings are primarily designed for accurate torque transmission and shaft alignment. While they are not specifically intended to reduce vibrations and noise, they can indirectly contribute to minimizing vibrations and noise in mechanical systems.

Here’s how rigid shaft couplings can help mitigate vibrations and noise:

• Shaft Alignment: Rigid couplings ensure precise alignment between connected shafts. Proper alignment reduces angular and axial misalignment, which can lead to vibrations and noise. By maintaining alignment, rigid couplings prevent the generation of excessive forces that contribute to vibration.
• Reduced Dynamic Imbalance: Accurate alignment achieved by rigid couplings helps in minimizing dynamic imbalance, which is a common cause of vibrations. When shafts are misaligned, it can lead to uneven distribution of forces and create vibrations in rotating machinery.
• Minimized Wear: Rigid couplings prevent misalignment-induced wear and excessive friction between shafts. This helps in reducing the potential for vibration-producing irregularities that can arise from worn or damaged components.
• Stable Connection: Rigid couplings create a solid and stable connection between shafts. This stability minimizes the likelihood of resonances and vibrations caused by flexible components that might amplify vibrations in the system.
• Uniform Torque Transmission: Rigid couplings facilitate even torque distribution between shafts. Uneven torque transmission can lead to fluctuations and vibration-causing oscillations in the system.

While rigid couplings can provide some indirect benefits in reducing vibrations and noise, they might not be as effective as specialized vibration-damping couplings or other mechanical solutions explicitly designed for vibration and noise reduction. In cases where vibration and noise reduction are critical, engineers might consider incorporating additional measures such as damping materials, flexible couplings, or vibration isolators.

Ultimately, the choice of coupling and vibration reduction strategy depends on the specific requirements of the application. If vibration and noise reduction are primary concerns, it’s advisable to consult with engineering experts and consider coupling designs that prioritize these attributes.

Advantages of Rigid Shaft Couplings Compared to Other Coupling Types

Rigid shaft couplings offer several advantages over other types of couplings, making them suitable for specific applications where these characteristics are essential:

• Efficient Torque Transmission: Rigid couplings provide a direct and efficient transfer of torque from one shaft to another, minimizing power loss and maximizing the system’s overall efficiency.
• Precision and Accuracy: Due to their solid and inflexible design, rigid shaft couplings maintain precise shaft alignment, ensuring accurate and consistent performance in precision machinery and instruments.
• High Torque and Speed Capacity: Rigid couplings can handle high torque loads and high-speed applications without significant wear or fatigue, making them suitable for heavy-duty industrial systems.
• Simple Design: Rigid couplings have a straightforward design, consisting of few components, which makes them easy to install, inspect, and maintain.
• No Backlash: Since rigid couplings do not have any flexibility or play, they do not introduce backlash into the system, providing precise and immediate responsiveness to changes in torque and speed.
• Cost-Effectiveness: Rigid shaft couplings are generally more affordable than some of the more complex flexible coupling types, making them a cost-effective solution for applications with minimal shaft misalignments.
• High Temperature and Corrosion Resistance: Depending on the material used, rigid couplings can offer high-temperature resistance and corrosion resistance, making them suitable for harsh environments.
• Stability and Reliability: Rigid couplings provide a stable and reliable connection between shafts, reducing the risk of failure or breakdown in critical systems.

Despite their advantages, rigid couplings are not suitable for applications where shaft misalignment or shock absorption is a concern. In cases where misalignment is expected or where some degree of flexibility is required to protect the system from shocks and vibrations, flexible coupling types such as beam couplings, bellows couplings, or jaw couplings are more appropriate choices.

editor by CX 2024-05-02