Product Description

GLJ Aluminum alloy double diaphragm set screw coupling

Description of GLJ Aluminum alloy double diaphragm sescrew coupling
>High torque rigidity, can accurately control the rotation of the shaft, can carry out high-precision control
>Designed for servo and stepping motor
>No gap between the shaft and sleeve connection, general for positive and negative rotation
>Low inertia, suitable for high speed operation
>The diaphragm is made of spring steel with excellent fatigue resistance
>With keyway design, positioning screw fastening way

Dimensions of GLJ Aluminum alloy double diaphragm sescrew coupling

model parameter	common bore diameter d1,d2	ΦD	L	LF	LP	d3	S	F	M	tightening screw torque (N.M)
GLJ-19×27	3,4,5,6,6.35,7,8,9,9.525,10	19	27	9.1	5.2	9	1.8	4.25	M3	0.7
GLJ-26×32	4,5,6,6.35,7,8,9,9.525,10,11,12,12.7	26	32	10.7	5.4	12.5	2.6	4.5	M4	1.7
GLJ-32×41	6,6.35,7,8,9,9.525,10,11,12,12.7,13,14,15	32	41	12.75	8.5	16	3.5	6.12	M4	1.7
GLJ-39×47	6,6.35,7,8,9,9.525,10,11,12,12.7,13,14,15,16	39	47	15	8	19.3	4.5	6.62	M5	4
GLJ-44×53	8,9,9.525,10,11,12,12.7,14,15,16,17,18,19,20	44	53	18.25	7.5	22.5	4.5	8.12	M6	8.4
GLJ-56×64	10,11,12,12.7,13,14,15,16,17,18,19,20,22,24,25,28,30,32	56	64	19.75	13.5	32.5	5.5	6.4	M6	8.4
GLJ-68×75	12,14,15,16,17,18,19,20,22,24,25,28,30,32,35,38	68	75	23.35	15.7	45.5	6.3	7.7	M8	10.5

Anodizing treatment	Rated torque (N.M)*	allowable eccentricity (mm)*	allowable deflection angle (°)*	allowable axial deviation (mm)*	maximum speed rpm	static torsional stiffness (N.M/rad)	moment of inertia (Kg.M2)	Material of shaft sleeve	Material of shrapnel	surface treatment	weight (g)
GLJ-19×27	1	0.12	1.5	±0.18	10000	170	8.8×10-7	High strength aluminum alloy	S U S 3 0 4 Spring steel	Anodizing treatment	13
GLJ-26×32	1.5	0.15	1.5	±0.3	10000	820	2.8×10-6				29
GLJ-32×41	2	0.17	1.5	±0.36	10000	1750	1.8×10-6				60
GLJ-39×47	6	0.22	1.5	±0.45	10000	2850	2.7×10-5				101
GLJ-44×53	9	0.22	1.5	±0.54	10000	3300	4.2×10-5				190
GLJ-56×64	25	0.27	1.5	±0.72	10000	9480	1.6×10-4				318
GLJ-68×75	60	0.32	1.5	±0.8	9000	19000	2.0×10-4				492

 

Can Rigid Shaft Couplings Accommodate Different Shaft Sizes and Handle High Torque Loads?

Yes, rigid shaft couplings are designed to accommodate different shaft sizes and are capable of handling high torque loads. One of the key advantages of rigid couplings is their ability to provide a solid and strong connection between two shafts.

Rigid shaft couplings come in various designs, such as one-piece and two-piece configurations. The one-piece couplings have a solid construction with no moving parts and are ideal for applications where precise alignment and torque transmission are essential.

The two-piece rigid couplings consist of two halves that are bolted together around the shafts, creating a tight and secure connection. These couplings allow for easier installation and removal without the need to move the connected shafts. They are commonly used in applications where frequent maintenance is required.

The design of rigid shaft couplings enables them to handle high torque loads efficiently. The solid and rigid construction allows for the direct transfer of torque from one shaft to another, minimizing power loss and ensuring precise torque transmission.

Moreover, rigid couplings can accommodate different shaft sizes by offering various bore diameters and keyway options. This adaptability allows users to connect shafts of different diameters without the need for additional modifications or couplings.

However, it is crucial to select the appropriate size and type of rigid coupling based on the specific application’s torque requirements and shaft sizes. Properly sized rigid couplings will ensure reliable and efficient power transmission while preventing issues such as misalignment, vibration, and premature wear.

Can rigid shaft couplings be used for shafts with different rotational speeds and directions?

Rigid shaft couplings are typically designed for applications where the connected shafts have the same rotational speed and direction. They are not well-suited for scenarios involving significant speed differences or reverse rotation between shafts. The limitations arise from the coupling’s rigid construction, which does not allow for the compensation of speed differentials or changes in direction.

When shafts have different rotational speeds or need to rotate in opposite directions, it can result in uneven loading, increased wear, vibrations, and even coupling failure. Rigid couplings lack the flexibility required to accommodate the variations in speed and direction, which can lead to undesirable consequences in the system.

If your application involves shafts with varying speeds or reverse rotation, it’s recommended to explore flexible coupling options. Flexible couplings, such as gear couplings, elastomeric couplings, or universal joints, are designed to handle these situations by providing a degree of angular and radial flexibility. These couplings can help distribute the loads more evenly, reduce vibrations, and compensate for speed differences, ultimately contributing to smoother and more reliable operation.

It’s essential to accurately assess the requirements of your application and choose the appropriate coupling type based on the specific operational conditions. If there are varying speeds or reverse rotation involved, opting for flexible couplings designed for such scenarios will help ensure the longevity, efficiency, and performance of your machinery.

How Rigid Shaft Couplings Ensure Precise and Torque-Resistant Shaft Connections

Rigid shaft couplings are designed to provide a solid and inflexible connection between two shafts, ensuring precise alignment and efficient torque transmission. The key features that enable rigid couplings to achieve this include:

1. One-Piece Construction: Rigid shaft couplings are typically made from a single piece of material, often metal, without any moving parts or flexible elements. This one-piece construction eliminates the risk of component failure and ensures a stable connection between the shafts.
2. Accurate Machining: Rigid couplings undergo precise machining processes to achieve tight tolerances and accurate dimensions. This precision machining ensures that the coupling fits perfectly onto the shafts without any gaps or misalignments.
3. High-Quality Materials: Rigid couplings are commonly manufactured from materials such as steel or aluminum, which offer excellent strength and durability. These high-quality materials contribute to the coupling’s ability to handle high torque loads without deformation or wear.
4. Keyways and Set Screws: Many rigid shaft couplings feature keyways and set screws for additional security. Keyways are slots on the coupling and shafts that allow the transmission of torque without slippage. Set screws, when tightened against the shafts, create a firm grip, preventing axial movement and enhancing torque resistance.
5. Clamping Force: Rigid couplings rely on a clamping force to hold the shafts firmly together. When the coupling is fastened around the shafts, the clamping force creates a strong bond between the coupling and shafts, minimizing any relative movement.

By combining these design elements, rigid shaft couplings ensure that the connected shafts remain in perfect alignment during operation. This precise alignment reduces the risk of misalignment-related issues such as vibrations, premature wear, and decreased efficiency. Additionally, the rigid nature of these couplings allows them to transmit torque without any backlash, providing immediate and accurate responsiveness to changes in torque and rotational direction.

Overall, rigid shaft couplings are an excellent choice for applications that demand precise shaft connections and reliable torque transmission. However, it’s essential to consider factors such as shaft alignment, load capacity, and environmental conditions when selecting the appropriate coupling for a specific application.

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editor by CX 2023-12-12