Disc coupling is a flexible shaft connector that transmits torque tangentially between driving and driven bolts positioned on a shared bolt circle. This torque transmission occurs through stainless-steel discs, meticulously arranged in a pack. Designed for high-performance motion control applications, disc couplings can accommodate rotational speeds up to an impressive 10,000 rpm.
The Working Principle of Disc Coupling
Disc coupling is a flexible shaft connector that transmits torque tangentially between driving and driven bolts positioned on a shared bolt circle. This torque transmission occurs through stainless-steel discs, meticulously arranged in a pack. Designed for high-performance motion control applications, disc couplings can accommodate rotational speeds up to an impressive 10,000 rpm.
Varieties of Disc Coupling
Disc coupling is a flexible shaft connector that transmits torque tangentially between driving and driven bolts positioned on a shared bolt circle. This torque transmission occurs through stainless-steel discs, meticulously arranged in a pack. Designed for high-performance motion control applications, disc couplings can accommodate rotational speeds up to an impressive 10,000 rpm.
Disc couplings are available in two primary styles: single-disc and double-disc couplings.
Single-disc couplings feature two hubs, often crafted from aluminium or stainless steel, and a singular, flat, stainless steel disc spring. In contrast, double-disc couplings also comprise two hubs but include an additional spacer positioned between two-disc springs. This spacer can be constructed from the same material as the hubs or from electrically isolating materials.
A single-disc pack can accommodate angular and axial misalignment, while two-disc packs are necessary to address parallel misalignment.
Functional Attributes of Disc Coupling
Transmit torque between machinery components.- Accommodate various misalignments while minimizing reactive forces on the equipment.
- Dampen harmful peak torques and torsional vibrations.
- Provide overload protection to prevent the transmission of damaging loads.
- Prevent electrical shorting between equipment by incorporating electrical insulation.
- Offer live torque and power readings with less than 1% error.
Applications of Disc Coupling:
Disc couplings find extensive use in large industrial machines such as pumps, blowers, compressors, and mixers. They are particularly suited for medium- and heavy-duty applications where balance is crucial. Additionally, they are effective in smaller motion-control installations.
Advantages of Disc Coupling
Disc coupling is a flexible shaft connector that transmits torque tangentially between driving and driven bolts positioned on a shared bolt circle. This torque transmission occurs through stainless-steel discs, meticulously arranged in a pack. Designed for high-performance motion control applications, disc couplings can accommodate rotational speeds up to an impressive 10,000 rpm.
- Eliminate the need for lubrication and maintenance.
- Allow for inspection without disassembly.
- Enable inspection of disc packs with a strobe light during operation.
- Simplify the assessment of equipment misalignment.
- Provide torsional rigidity without backlash.
- Feature no wearing parts.
- Utilize high-strength, flexible stainless-steel discs.
- Resist harsh environmental conditions.
- Offer long service life when properly sized and aligned.
- Deliver high power density (higher torque for a given outside diameter).
- Handle high shock loads to a certain degree.
- Compensate for angular and parallel misalignment between shafts.
- Reduce maintenance time and costs.
Disc couplings are often employed in power transmission applications, especially where motors exceed 200 HP and the use of journal bearings is common.
