German FORMSPRAG clutch FORMSPRAG model FORMSPRAG price

FORMSPRAG clutch refers to a friction clutch where the clamping force is generated by electromagnetic force. Due to its ability to enable remote operation, low control energy consumption, ease of achieving machine tool automation, fast response, and simple structure, it has gained widespread application.

FORMSPRAG clutch introduction

Electromagnetic clutches, also known as electromagnetic couplings, are electromechanical connectors that apply the principle of electromagnetic induction and the friction between internal and external friction plates. They allow two rotating components in a mechanical transmission system to engage or disengage while the driving component continues to rotate. It is an automatically executed electrical device. Electromagnetic clutches can be used to control machine starting, reversing, speed regulation, and braking. They feature a simple structure, fast response, low control energy, and ease of remote control. Despite their compact size, they can transmit high torque. When used for braking control, they offer the advantages of rapid and smooth braking. Therefore, electromagnetic clutches are widely used in various processing machine tools and mechanical transmission systems. The function of an electromagnetic clutch is to transmit torque (or power) from the driving shaft side to the driven shaft side. It is widely used in various mechanisms (such as transmission mechanisms in machine tools and various electric mechanisms) to achieve functions such as rapid starting, braking, forward/reverse rotation, or speed regulation. Since electromagnetic clutches are easy to implement for remote control and are much simpler to operate compared to other mechanical, hydraulic, or pneumatic clutches, they are an important component in automatic control systems.

FORMSPRAG clutch features

1) High-speed response: As it is a dry type, torque transmission is fast, enabling convenient operation. 2) Strong durability: Good heat dissipation and the use of high-grade materials ensure high durability even under high-frequency and high-energy usage. 3) Easy assembly and maintenance: The magnetic coil is stationary and housed within the ball bearing, so there is no need to remove the core or use carbon brushes, making it simple to use. 4) Reliable operation: Plate springs are used, ensuring no loosening occurs even under strong vibration, resulting in excellent durability.

FORMSPRAG clutch installation precautions

1) Please use dry electromagnetic clutches in conditions completely free of moisture and oil. If the friction surfaces are contaminated with moisture or oil, the friction torque will be significantly reduced, and the clutch sensitivity will deteriorate. To avoid these issues during use, please install protective covers. 2) When used in dusty environments, please use protective covers. 3) For the long shaft dimension used to install the clutch, please use specifications conforming to JIS0401 H6 or JS6. For the key used on the installation shaft, please use one of the types specified by JIS B1301-1959. 4) Considering factors such as thermal expansion, please keep the thrust on the installation shaft below 0.2MM. 5) During installation, please adjust the attraction gap on the machine to within plus or minus 20% of the specified value. 6) Keep the bracket lightweight; do not subject the clutch bearing to excessive pressure. 7) For assembly screws, please use spring washers, adhesives, or other methods to prevent loosening. 8) While maintaining the lead wires using the frame on the machine side, ensure secure connections using terminal blocks, etc.

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