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Differences between closed coil and open coil helical spring
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Spring is one elastic machine element that can absorb energy by undergoing significant amount of elastic deformation under the action of external loading and can subsequently release that energy when external load is removed. Springs are basically of two types—helical spring and leaf spring. Helical springs are made by bending wires of constant diameter in the form of a helix. Such springs are commonly used for storing and releasing energy

Difference Between Straight Teeth and Spiral Teeth Bevel Gear
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Gear drive is one part and parcel of mechanical power transmission system that transmits power and motion by successive engagement and disengagement of teeth of driver and driven gears. There exist four basic types of gear, namely spur gear, helical gear, bevel gear and worm gear. The spur gear and helical gear are applicable for power transmission between two parallel shafts, whereas bevel gear is useful for two intersecting shafts

Double helical gear and herringbone gear
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In helical gears, teeth are cut at an angle (called helix angle) with the gear axis in the form of helix on the cylindrical gear blank. It replaces sudden engagement and disengagement of teeth (as in spur gear) by gradual mating and thereby reduces wear, vibration and noise. However, a pair of mating helical gears induces axial thrust force that is ultimately transferred to the bearings, which necessitates bulky and

Single helical gear and double helical gear
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Gear drive is most widely used mechanical power transmission system in small to large scale machineries. It is one engagement type positive drive (no slip) suitable for transmitting motion, torque and power over comparatively small distances (usually below 1 m) and also modifying them as per requirement. Power is transferred from driving shaft to driven shaft by means of successive engagement and disengagement of teeth cut on the cylindrical gear

Spur gear and helical gear
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Gear drive is one important mechanical power transmission element that can transmit power and motion from one shaft to another by means of toothed wheel rigidly mounted on the shafts. It is one engagement drive that indicates power transmission occurs by means of successive engagement and disengagement of teeth of two gears. Whereas the belt drive (one type of friction drive) is especially suitable for medium to long distance power

Difference Between Open Belt Drive and Cross Belt Drive
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Mechanical power transmission system takes help of several drives and elements in order to transmit power, torque and motion from one shaft to another shaft. Such drives can be either engagement type (gear drive and chain drive) or friction type (belt drive and rope drive). Belt drive is one reliable mechanical power transmission system that is commonly used to transmit power and motion over considerably larger distance (even up to

Differences between flat belt drive and V-belt drive
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Majority of mechanical machine units are driven by a prime mover, which converts mainly electrical energy into mechanical energy (usually in the form of rotation of a shaft). Power generated by the prime mover is transferred to the intended location for driving various elements of the machinery. Several power transmitting elements are used for such transmission purposes; each of them has specific advantages and disadvantages. Gear drive, belt drive, chain

Differences between belt drive and chain drive
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Basic purpose of mechanical drive is to transmit torque, motion and power from driving shaft (usually a prime mover like an electric motor) to driven shaft, and also to alter the intensity, direction and speed as per the requirement. There exist several mechanical drives to fulfill varying industrial and machinery requirements. Such drives can be classified into two major categories—positive drive and non-positive drive. A positive drive is free from

Differences between gear drive and chain drive
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In many engineering applications, power is required to transmit from one point to another. Various power transmission systems such as electrical, mechanical, hydraulic, pneumatic, etc. can fulfill different requirements. Mechanical power transmission systems are used to transmit power, motion and torque from driver shaft (a prime mover such as electrical motor) to the driven shaft. Changing direction, speed and intensity are also important tasks for such transmission systems. There exist