China factory L150 Jaw Coupling

Product Description

 
L150 jaw coupling
 
AVAILABLE SIZES: 35, 50, 70, 75, 90, 95, 99, 100, 110, 150, 190, 225 

 
L100 Lovejoy L coupling ,L COUPLING ,L TYPE FLEXIBLE JAW COUPLING
1. Material :Cast iron GG25 
2. Good stability 
3. Easy to maintain 
4.OEM
 
L   coupling   have below advantage :
 
1. It is easy to maintain ,no need the tool can install 
2. Can undertake high torque 
3. Have the good buffer .
 
Features:
Economical and practical using
Easy pulling out
Simple construction and light weight
NBR rubber with excellent resistance to oil and drugs
Minimum space
No lubrication
 
 L coupling parameters and data :
 
 

Coupling type	Rated torque		HP-100PRM
	In-Lbs.				Horsepower Capacity at Varying Speed(RPM)				Max Bore
	Rubber	Hytrel	Rubber	Hytrel	300	1200	1800	3600
L-035	3.5		0.0056		0.017	0.067	0.1	0.2	3/8
L-050	25.2		0.04		0.12	0.48	0.72	1.44	5/8
L-070	37.8		0.06		0.18	0.72	1.08	2.16	3/4
L-075	75.6		0.12		0.36	1.44	2.16	4.32	7/8
L-090	126		0.2		0.6	2.4	3.6	7.2	7/8
L-095	176		0.28		0.84	3.36	5.04	10.8	1-1/8
L-099	265		0.42		1.26	5.04	7.56	15.1	1-3/16
L-100	278		0.6		1.8	7.2	10.8	21.6	1-3/8
L-110	693	2079	1.1	3.3	3.3	13.2	19.8	39.6	1-5/8
L-150	1071	3213	1.7	5.1	5.1	20.4	30.6	61.2	1-7/8

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Use of Jaw Couplings in Corrosive or Harsh Environments

Jaw couplings can be used in certain corrosive or harsh environments, but the choice of materials and design should be carefully considered to ensure the coupling’s performance and longevity. Here’s how jaw couplings can be utilized in such environments:

• Material Selection: For corrosive environments, it is essential to choose materials that can withstand the specific chemicals or substances present. Stainless steel or other corrosion-resistant alloys are commonly used in jaw couplings to ensure resistance to rust and corrosion. These materials protect the coupling from degradation caused by exposure to corrosive elements.
• Sealing Mechanism: In harsh environments where contaminants or particles may be present, proper sealing becomes crucial. Many jaw couplings have various sealing options to prevent foreign materials from entering the coupling and affecting its performance. Seals can help keep the coupling’s interior clean and protect it from damage due to harsh substances.
• Environmental Protection: In applications where the coupling is exposed to harsh elements, it might be beneficial to utilize protective covers or guards. These can shield the coupling from direct contact with abrasive materials or chemicals, further extending its lifespan in challenging conditions.
• Regular Maintenance: In corrosive or harsh environments, proper and regular maintenance is crucial. Cleaning and inspecting the coupling periodically can help identify any signs of wear or damage and allow for timely replacements or repairs, minimizing the risk of failure in service.

While jaw couplings can be used in certain corrosive or harsh environments, it is essential to assess the specific conditions and requirements of the application carefully. In some instances, alternative coupling types or additional protective measures may be more suitable to ensure optimal performance and longevity. Consulting with coupling manufacturers or engineering experts can provide valuable insights in selecting the most appropriate coupling for a given environment.

How does a jaw coupling deal with backlash and torsional stiffness?

A jaw coupling addresses backlash and torsional stiffness through its unique design features and choice of materials. Backlash is the amount of free play or clearance between the coupling components, while torsional stiffness refers to the resistance of the coupling to torsional or twisting forces. Here’s how a jaw coupling deals with these aspects:

• Backlash: Jaw couplings are designed to minimize backlash by ensuring a close fit between the elastomer spider and the jaws of the coupling hubs. The elastomer spider acts as a flexible intermediary that fills the space between the mating jaws, reducing any free play between them. This close fit reduces backlash and provides a more precise and responsive power transmission, especially in reversing or intermittent motion applications.
• Torsional Stiffness: Torsional stiffness is achieved in jaw couplings by using materials that provide a balance between flexibility and rigidity. The elastomer spider in the coupling offers some flexibility, allowing it to absorb vibrations and dampen shocks. However, to ensure adequate torsional stiffness, the coupling hubs are usually made from sturdier materials like steel or aluminum. The choice of elastomer material and its geometry also influences the torsional stiffness of the coupling. Some applications may require coupling designs with higher torsional stiffness to maintain the accuracy and stability of the system, while others may benefit from more flexible couplings that can accommodate misalignments and shock loads. Overall, the combination of the elastomer’s flexibility and the coupling hub’s rigidity results in a coupling with a balanced torsional stiffness that can meet the specific needs of the application.

In summary, a jaw coupling minimizes backlash by providing a close fit between the coupling components, and it achieves torsional stiffness by using a combination of flexible elastomer materials and rigid coupling hubs. These design considerations make jaw couplings suitable for a wide range of applications that require reliable power transmission, precise motion control, and the ability to handle misalignments and shocks.

Handling Misalignment with Jaw Couplings

Jaw couplings are designed to handle certain degrees of misalignment between shafts. They are flexible couplings that can accommodate both angular and radial misalignment to some extent. The elastomeric element in the jaw coupling provides the necessary flexibility to compensate for misalignment while transmitting torque between the shafts.

Angular Misalignment: Jaw couplings can handle small amounts of angular misalignment, typically up to a few degrees. However, excessive angular misalignment should be avoided as it can lead to increased wear on the coupling and connected equipment.

Radial Misalignment: Similar to angular misalignment, jaw couplings can also tolerate small amounts of radial misalignment. The elastomeric material allows the coupling to flex and adjust to minor shaft misalignments.

It’s important to note that while jaw couplings are suitable for handling some degree of misalignment, the actual allowable misalignment depends on the specific design and material of the coupling. Therefore, it is essential to refer to the manufacturer’s specifications and guidelines for the particular jaw coupling being used in an application.

For applications with significant misalignment or where precise alignment is critical, other types of flexible couplings, such as beam couplings or disc couplings, may be more appropriate. Proper alignment and regular maintenance are key factors in ensuring the optimal performance and longevity of the jaw coupling and the connected machinery.

editor by CX 2024-04-24