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If you have worked with and around various forms of industrial machinery and vehicles, you may be familiar with gearboxes and their uses. For those that are not, gearboxes are often an essential element of countless mechanical operations, allowing for mechanical energy to be transmitted with controlled speed and torque for the benefit of properly driving something. Whether found in a paper manufacturing plant, steel production machine, or an aircraft, gearboxes often share many similarities which can make it beneficial to have a basic understanding of their general design and use.

Phones, cars, robots and more have something in common: they require machinery called actuators to create motion. Electric actuators are geared motors with varying voltages that create torque, or movement. They are broken into three parts: an electrical winding, armature, and gear train. Simply put, the winding takes in the power supply, which creates a magnetic field that causes the armature to rotate constantly while supplied with power. The gear train works with the motor to create an optimal amount of torque and to control its speed.

Resistors are electronic devices that are designed to impede the flow of current running through their bodies, allowing for the protection of sensitive electronics while also opening up the opportunity to control and manage voltage values for specific applications. As a technology that was first invented in 1959, resistors now serve almost all electrical circuits. With a variety of resistor types featuring different constructions, materials, tolerance values, and other characteristics, finding the correct type often depends on the specific needs of the operation. In this blog, we will discuss the carbon film and metal oxide film resistor in particular, allowing you to best understand the differences between two very common electrical circuit components.