Helical gears are curved in shape and teeth are not parallel to the axis of rotation but set at an angle. The helical gears has cut teeth in a helix and corkscrew in shape. It is used to design the engine to reduce the noise.

In helical system, when two systems are engage with each other, the contact starts at one end of the tooth and then gradually spreads as the gears rotate, until the two teeth are in full engagement. This makes helical gears smoothly and quietly. Helical gears make the angles of the gear teeth mounted on perpendicular shafts, adjusting the rotation angle by 90 degrees.

Helical gears used the helix angle of one having the negative of the helix angle of the other; such a pair might also be referred to as having a right-handed helix and a left-handed helix of equal angles. When two equal but opposite angles are added the angle between shafts is zero, that is, the shafts are parallel.

Helical gears are used for high speed, high power mechanical systems. They make less noise. Helical gears can handle more load as gear tooth is effectively large. Helical gears work perpendicularly to each other when the teeth of the helical gears are designed correctly. The machines that use helical gears are expensive and require high maintenance and service charge.

Ashoka gears can manufacturers helical gears from best material suitable for gear manufacturing like good grades of steel, Iron, alloy steel, bronze, brass, stainless etc. Material is also depending on the size and quantity of the gears requirements. We can also manufacturer custom helical gears according to client requirement and material suggestion.