Table of Contents
What are the uses of shafts?
Shafts are one of the very important elements used in machines. They are provided for supporting the rotating part such as pulleys and gears and they are supported by bearings which rest in the rigid machine housing. The gears and pulley which is placed on shaft help in transmitting the motion.
What are shaft used in building?
Shafts are critical to the construction and operation of tunnels of all types. They enable access from the ground surface to the tunnel level, for all tunnel types, including giving passengers access to mass transit and underground rail tunnels.
What are the types of shafts?
Shafts are mainly classified into two types:
- Transmission shafts are used to transmit power between the source and the machine absorbing power.
- Machine shafts are an integral part of the machine itself.
- Axle shafts are used in vehicles.
What is the function of transmission shaft?
Transmission shafts are rotating members and transmit power and torque from one location to another while spindles are short shafts and axles are nonrotating shafts.
What is shaft architecture?
shaft::the structural member which serves as the main support of a column or pier. The shaft is between the capital and the base.
What is the consideration for design of shaft?
Things to Check in a Shaft Design Static stress The shaft must withstand stress that results from applied loads and torque. This could also include the weight of attachments such as gears and flywheels. Deflection Excessive deflection can cause problems such as gear mesh.
Why is it important for shaft tunnel to be watertight?
The tunnel must be watertight to ensure integrity should the shaft seal cease to operate correctly. The structure is made to be capable of withstanding the water pressure should the tunnel become open to the sea. The scantlings are equivalent to those of a watertight bulkhead.
What is the purpose of duct in building?
Duct systems are used in most commercial buildings to transport conditioned air between heating and cooling equipment and the occupied space. Ducts also distribute outdoor air to the occupied space and exhaust indoor air to outdoors.
What are shafts in geography?
When the top of the excavation is the ground surface, it is referred to as a shaft; when the top of the excavation is underground, it is called a winze or a sub-shaft. Small shafts may be excavated upwards from within an existing mine as long as there is access at the bottom, in which case they are called raises.
What is main shaft?
The line of shafting that receives its power directly from the engine or motor and transmits power to other parts.
What are the 4 main shafts in most manual transmissions?
One of them is attached to the engine (the input shaft), one is attached to the differential (the output shaft), and the third shaft, often called the layshaft or the countershaft, interacts with the other two via a system of gears. While your car is on, the engine shaft is always turning, even while stopped.
What is home shaft?
a structure housing machinery and other equipment at the top of a mine shaft.