Gears

Most of you probably know what a gear is, but if you hear gears and you don't think of machinery, a gear is a wheel with teeth on the ouside. The most important part of the gears are its teeth. Torque is a big contributor when it comes to moving gears. Torque two components, force and distance. The measurement of torque is newton-centimetre (Ncm). To increase torque increasing the force or distance. Most of may have heard of a gear, but whatever is a geartrain? A geartrain is a multistage prosess involving several gears. It either reduces or multiplies the vleocity ratio. The advantage is that it gives incredible power. Pulleys, belts and chains are also very important. Pulleys are also wheels, but they have a groove. Belts are the things that connect two pulleys together, and are like rubber bands. Chains do the exact same as belts, just not as elastic. The last thing you need to know about gears is the difference between a straight gear and a bevel gear. Straight gears let the energy go from one place to another horisontally. Bevel gears transfer the energy or motion to another axle perpendicular to another.