German TWIFLEX brake TWIFLEX model TWIFLEX price

TWIFLEX brakes, also known as disc brakes, pneumatic brakes, air-operated disc brakes, and air-hydraulic pneumatic brakes, are a type of industrial drive brake. They are actuators that use air pressure to stop or decelerate moving parts in machinery. The structure is simple, installation is convenient, and they are durable, resistant to pressure, drops, and impacts, with a long service life. Generally, only the brake pads need to be replaced, which is easy and convenient. They utilize magnetic effects.

TWIFLEX brake introduction

Mechanical components that stop or decelerate moving parts in machinery. Commonly known as brakes. Brakes mainly consist of a brake frame, braking elements, and operating devices. Some brakes are also equipped with automatic adjustment devices for braking element clearance. To reduce braking torque and structural size, brakes are usually installed on the high-speed shaft of the equipment. However, for large equipment with high safety requirements (such as mine hoists, elevators, etc.), they should be installed on the low-speed shaft near the working part of the equipment. Some brakes have been standardized and serialized, manufactured by specialized factories for selection. They are mainly matched with series motors. Widely used in metallurgy, construction, chemical industry, food, machine tools, stages, elevators, ships, packaging, and other machinery, as well as in situations requiring braking during power failure (safety). The resistance torque that must be applied to stop or decelerate mechanical rotating parts is called braking torque. Braking torque is the basis for designing and selecting brakes, and its magnitude is determined by the type of machinery and work requirements. The performance of the friction material (braking element) used on the brake directly affects the braking process, and the main factors affecting its performance are operating temperature and temperature rise rate. Friction materials should have a high and stable coefficient of friction and good wear resistance. Friction materials are divided into metal and non-metal categories. The former commonly includes cast iron, steel, bronze, and powder metallurgy friction materials, while the latter includes leather, rubber, wood, and asbestos.

TWIFLEX brake working principle

The friction ring rotates together with the brake drum. The electromagnet and the drive lever are connected together by a retaining ring. When braking starts, the controller sends a braking signal, the electromagnet is energized, generating electromagnetic attraction, and adsorbs onto the friction ring. Since the electromagnet is constrained by the drive lever, it slides relative to the friction ring. The friction force acting on the electromagnet drives the connected drive lever to rotate around the fulcrum. The driven end of the lever opens the two friction shoes of the brake and presses them against the brake drum, generating braking torque. When braking ends, the electromagnet is de-energized, the attraction and friction force disappear, and under the pull of the return spring, the friction shoes leave the brake drum, releasing the brake. Electromagnetic brakes are an ideal automation actuator in modern industry, mainly playing roles in power transmission and motion control in mechanical drive systems. They have advantages such as compact structure, simple operation, sensitive response, long life, reliable use, and ease of realizing remote control. They are mainly matched with series motors. Widely used in metallurgy, construction, chemical industry, food, machine tools, stages, elevators, ships, packaging, and other machinery, as well as in situations requiring braking during power failure (safety).

TWIFLEX brake application range

In terms of performance, the main highlights are: high-speed response, high durability, easy assembly and maintenance, no need for wear adjustment, reliable action, and torque adjustment capability. Main applications include: Packaging and bundling machinery: such as packaging machines, strapping machines, bundling machinery, etc.; Metal processing machinery: such as rolling mills, wire drawing machines, punch presses, welding machines, copper and iron wire return machines, cutting machines, pipe making machinery, winding machines, etc.; Machine tools: lathes, milling machines, automatic CNC machines, special-purpose machines, etc.; Handling machinery: cranes, feeders, conveyors, hoists, winches, etc.; Paper machinery: bag making machines, carton machines, cutters, bookbinding machines, cutting machines, paper making machines, etc.; Printing machinery: rotary presses, feed printing machines, etc.; Woodworking machinery: sawing machines, woodworking machines, plywood machinery, etc.; Office machinery: electronic copiers, computers, fax machines, coin counters, printers, etc.; Measuring machinery: testing machines, durability test devices, measuring machines, etc.; Food processing machinery: meat cutting machines, cake making machines, bottling machines, noodle making machines, etc.; Others: gearboxes, electroplating devices, physical and chemical machinery, paper making machinery, resin processing machinery, etc.

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