Transmission elements
The transmission elements are those responsible for transmitting or regulating motion.
Power transmission is an essential need in the industry. Power transmission is a system that allows the power to be transferred from one source to another mechanism. It uses the movement of solid bodies, such as gears and belts, to perform its function.
In this way, power transmission is a set of parts that allow connecting the moving parts of a machine, which are essential in almost all sectors, especially in industry. The transmission elements include couplings, friction bushings, slewing rings, discs and pinions, spindles, and pulleys.
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Industrial gearmotors
Couplings
A coupling is a mechanical element that connects different shafts or extends the transmission line of a shaft. These shafts can have parallel directions or different planes. Their purpose is to transmit energy.
Couplings protect the system from excessive loads that wear down the components, affecting their operation and disrupting work cycles. Properly functioning couplings also provide safety and reliability to the operation.
Bushings
Friction bushings reduce the friction that occurs when two surfaces in direct contact slide against each other. They are designed to facilitate the installation of tensioning sprockets.
They are similar to thin tubes commonly used in industrial machinery with rotating or sliding shafts to improve efficiency, reduce noise and vibrations. Friction bushings can also be used in drilling operations, external gear pumps, and hydraulic motors. They are frequently used in the automotive sector.
Bushings are a type of unit used to align pulleys, sprockets, couplings, etc., in order to fix these transmission elements to their shaft.
Plate wheels and sprockets
Industrial sprockets are toothed pieces used in the industrial sector with a contour consisting of small metal teeth that allow the movement of toothed chains. In many machines, they are the smallest wheel in a gear. Sprockets are responsible for transmitting force from one element to another through a transmission belt or chain. Their main function is to assist in lifting tasks, as they are a fundamental part of this mechanism.
Pulleys
Industrial pulleys are machines whose main function is to assist people in physically demanding tasks such as lifting heavy objects or their transportation. All pulleys have a wheel fixed around their circumference.
A pulley is a simple machine that operates by traction. It serves to transmit force and help move heavy objects in a convenient way. It consists of a wheel anchored to a rotating axis where a rope or cord is looped. In this way, the force is distributed on the periphery of the wheel, making it easier to move the object.
Typically, a pulley is a basic element consisting of a wheel with a small groove on its outer face to prevent the rope from slipping. It can be made of plastic or metal, depending on the required effort.
This wheel is anchored to a metal axis that allows it to rotate, and this axis, in turn, is connected to a rigid structure that enables its operation.
Pulleys have multiple uses in complex mechanical systems where they are employed. In summary, the function of a pulley is to serve as a point of support for a rope that holds a load or resistance at one end while a force is applied from the other.
Slewing rings
Slewing rings, also known as slewing bearings or turntable bearings, are necessary when a structural part inside a machine needs to rotate with respect to another part on a single axis, ensuring the connection between these parts.
Slewing rings are used in machines where the cabin rotates with respect to the lower chassis to enable work operations, such as excavators. They are exposed to cyclic loads, overturning moments generated by the cantilevered arm, and significant axial and radial loads. Therefore, special attention is required to prevent premature wear.
These mechanical elements can withstand high loads, have a wide range of applications, and are cost-effective.
A slewing ring is composed of four main components:
- Lower toothed ring
- Upper ring
- Bearing element (one or two rows of balls or rollers)
- Spacers
Ball screws
A ball screw is a long screw of varying diameters used to actuate clamping elements such as presses. It is also used to produce linear displacement in different carriages of milling machines and lathes, or in hydraulic gates.
Ball screws are fundamental elements in plastic injection molding machines. They are helical coils made of steel, and their design is crucial for the performance and quality of the injection molding machine, as well as for the plasticization, homogenization, and transformation of the polymer.
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