Product Description

L225 jaw flexible 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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jaw coupling

Accommodating Variable Operating Conditions and Loads with Jaw Couplings

Jaw couplings are designed to accommodate variable operating conditions and loads, making them suitable for a wide range of applications. Here’s how jaw couplings achieve this:

  • Flexibility: The elastomeric spider (flexible element) in a jaw coupling provides flexibility, allowing for angular, parallel, and axial misalignment between the connected shafts. This flexibility helps to compensate for minor misalignments that may occur during operation or due to changes in operating conditions.
  • Shock Absorption: The elastomeric spider also acts as a shock absorber, dampening vibrations and reducing the impact of sudden loads or shocks. This feature is particularly beneficial in applications where the connected equipment may experience variable or unpredictable loads.
  • Torsional Stiffness Options: Jaw couplings are available in different torsional stiffness options, depending on the specific application requirements. Couplings with higher torsional stiffness are suitable for precision applications with minimal misalignment, while those with lower stiffness are ideal for applications with higher misalignment and shock absorption needs.
  • Material Selection: Jaw couplings can be manufactured from various materials, such as aluminum, steel, or stainless steel, to suit different environmental conditions and loads. Corrosion-resistant materials are available for harsh environments, ensuring the coupling’s performance remains unaffected by changing operating conditions.
  • Size and Torque Ratings: Jaw couplings are available in a wide range of sizes and torque ratings, allowing users to select the appropriate coupling based on the expected operating conditions and torque requirements of the application. It’s essential to choose a coupling size that comfortably handles the maximum expected load.
  • Interchangeability: Many jaw couplings are designed to be interchangeable with other manufacturers’ couplings of the same size and type. This feature provides flexibility in sourcing replacements and makes it easier to adapt the coupling to changing requirements or equipment configurations.

Overall, jaw couplings’ ability to handle variable operating conditions, misalignments, and loads makes them versatile and reliable components in a wide range of mechanical systems and applications.

jaw coupling

What are the common signs of wear and failure in jaw couplings?

Jaw couplings are reliable components, but like any mechanical part, they can experience wear and eventually fail if not properly maintained or replaced when necessary. Here are some common signs of wear and failure to look out for in jaw couplings:

  • Excessive Vibration: Increased vibration during operation may indicate wear in the elastomer spider or misalignment between the coupling hubs. Excessive vibration can lead to further damage and should be addressed promptly to prevent more significant issues.
  • Abnormal Noise: Unusual noises, such as rattling, clanking, or squeaking sounds, can indicate wear, misalignment, or damage in the jaw coupling. A well-functioning jaw coupling should operate smoothly and quietly.
  • Visible Cracks or Damage: Inspect the jaw coupling regularly for any visible cracks, tears, or damage to the elastomer spider or coupling hubs. Cracks in the elastomer can lead to reduced torque transmission and compromise the coupling’s performance.
  • Loose or Displaced Spider: A loose or displaced elastomer spider may result from wear or improper installation. The spider should fit securely between the coupling hubs. Any sign of misalignment or gaps in the spider indicates potential wear or failure.
  • Increased Heat: Excessive heat generation in the jaw coupling could indicate high levels of friction or misalignment, leading to wear on the elastomer spider. Elevated temperatures can accelerate wear and shorten the coupling’s lifespan.
  • Shaft Misalignment: If you notice misalignment between the connected shafts, it can be a sign that the jaw coupling is no longer compensating for misalignment properly. This can lead to increased stress on the shafts and coupling components.
  • Reduced Performance: A jaw coupling nearing the end of its service life may experience reduced torque transmission and compromised rotational speed control. As the elastomer spider wears, the coupling’s ability to transmit torque efficiently diminishes.
  • Unexpected Downtime: Frequent unexpected shutdowns or downtime may indicate coupling failure. Sudden coupling failure can lead to costly equipment damage and unplanned production halts.

It is essential to conduct regular maintenance and inspections to detect these signs of wear and failure early. Preventive measures such as proper lubrication, alignment checks, and timely replacement of worn elastomer spiders can extend the life of the jaw coupling and prevent unexpected failures.

If any of these signs are observed, it is advisable to consult coupling manufacturers or maintenance professionals for a thorough assessment and appropriate corrective actions.

jaw coupling

Use of Jaw Couplings in Various Industries for Power Transmission

Jaw couplings are widely used in different industries for power transmission due to their many advantages, including their ability to handle misalignment, shock loads, and vibrations. Some of the industries that commonly use jaw couplings include:

  • Manufacturing: Jaw couplings are extensively used in manufacturing machinery such as conveyors, mixers, and packaging equipment.
  • Automotive: In the automotive industry, jaw couplings are employed in various applications, including engine-driven accessories and conveyor systems in assembly lines.
  • Agriculture: Farming equipment, such as tractors and harvesting machines, often use jaw couplings to transmit power from the engine to different attachments.
  • Material Handling: Jaw couplings are found in material handling equipment like forklifts, cranes, and hoists.
  • Water and Wastewater: Pumps and compressors used in water and wastewater treatment plants frequently utilize jaw couplings for power transmission.
  • Food and Beverage: Jaw couplings are used in food processing machinery where cleanliness, reliability, and flexibility are essential.
  • Textile: Textile manufacturing equipment, such as looms and spinning machines, often use jaw couplings to transmit power from motors to various components.
  • Packaging: Packaging machines and equipment benefit from jaw couplings’ ability to absorb shocks and vibrations.
  • Printing: Printing presses and related machinery commonly use jaw couplings for their precise power transmission.

These are just a few examples, but jaw couplings are found in numerous other industries where power transmission and motion control are critical aspects of the equipment’s operation. Their ease of installation, maintenance, and high-performance capabilities make them a popular choice for a wide range of applications.

China best L225 Jaw Flexible Coupling  China best L225 Jaw Flexible Coupling
editor by CX 2024-04-12