Product Description
L050 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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Electrical Insulation in Jaw Couplings
Jaw couplings are designed to provide mechanical connection between two shafts while also maintaining electrical insulation. This feature is essential in applications where the connected shafts have different electrical potentials or where electrical isolation is required to prevent current flow between the shafts.
The electrical insulation in jaw couplings is primarily achieved through the use of non-conductive materials for the jaw components. The jaws of the coupling are typically made from materials such as elastomers or plastics, which are excellent electrical insulators. These non-conductive materials prevent electrical conduction between the two shafts, even if they are made from different conductive materials.
Additionally, the design of the jaw coupling ensures that the two shafts do not come into direct electrical contact with each other. The jaws of the coupling create a gap between the shafts, which further enhances the electrical insulation.
It’s important to note that while jaw couplings provide electrical insulation, their primary function is to transmit torque and accommodate misalignment between shafts. If specific electrical insulation requirements are critical for an application, additional measures such as insulating sleeves or shaft grounding may be necessary in conjunction with the jaw coupling.
Overall, jaw couplings are a reliable and widely used choice for mechanical power transmission while ensuring electrical isolation between connected shafts.
Can jaw couplings be used in servo motor and stepper motor applications?
Yes, jaw couplings can be used in both servo motor and stepper motor applications, and they are commonly employed in such systems. The key factors that make jaw couplings suitable for these motor types are their ability to handle misalignment, their torsional flexibility, and their compact and lightweight design.
In servo motor applications, jaw couplings are chosen for their high precision and responsiveness. Servo motors require couplings that can transmit torque with minimal backlash and provide accurate motion control. Jaw couplings achieve this by maintaining a tight fit between the elastomer spider and the coupling hubs, minimizing backlash and ensuring precise torque transmission. The elastomer spider also dampens vibrations and shocks, contributing to smoother motor operation and increased system stability. Additionally, the compact size and low inertia of jaw couplings make them ideal for high-speed servo motor applications where quick acceleration and deceleration are crucial.
In stepper motor applications, jaw couplings are preferred for their ability to handle misalignment. Stepper motors often have shaft misalignment due to manufacturing tolerances or other factors, and jaw couplings can accommodate both angular and parallel misalignment without imposing significant additional loads on the motor bearings. This helps to reduce wear and extend the life of the motor and coupling components. Moreover, stepper motors are commonly used in open-loop systems, where precise positioning and motion control are essential. Jaw couplings’ low backlash characteristics aid in achieving accurate positioning and eliminating any motion inaccuracies that might arise due to backlash in the coupling.
Overall, jaw couplings are well-suited for servo motor and stepper motor applications due to their precision, ability to handle misalignment, torsional flexibility, and low inertia. When selecting a jaw coupling for a specific motor application, it is essential to consider factors such as torque requirements, operating conditions, and motor specifications to ensure optimal performance and reliability in the system.
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 2024-03-27