Under this category, three types of grinders are included. These wheels are given feed and accurate grinding is done as per the shape of the grinding wheel on the moving cylindrical surface. Grinding wheels of different shapes are made under this type of grinder. In order to save the shaft from becoming flexible, steady rests are used. This type of grinder is also made in a different form for camshaft grinding. These are also called crankshaft grinding machines. The crankshaft of motor vehicles is a grinder with this grinder. The diameter of the grinder is much more than that of the job. These grinders are used to grind small shafts. This grinder is specifically made for grinding these shapes. engines are required to be grinded not in round shape but in oval and taper shape so that when their size increases due to heat these may not get deposited in the cylinder. This type of grinder is used in steel mills, printing presses, etc, for grinding heavy rollers. With this grinder finishing of sleeves, pins, rods, taper pins, etc. In this type of grinder, the job is rotated in chuck or center and the entire cylindrical surface of the job is grinded. These are of the following three kinds: a. In this type of grinders, the grinding wheel is fitted on the machine’s work table, which can be given crossfeed and the entire surface of the job can be grinded. The cylindrical surface is grinded with a machine in which grinding wheel is fitted on the shaft of a free electric motor. The surface which has been made plain by shaper or plainer are grinded with this grinder. These grinders are of the following types: Jobs of excellent finish and accuracy are grinded with it. With this spindle, the grinding wheel can be turned in forward, backward, left, or right direction in running condition. This spindle is fitted on a table along with its motor. In this type of grinder, a movable spindle is fitted in the grinding wheel. Large jobs can be easily grinded with this grinder. On one end of the shaft, a grinding wheel and handle are provided. A flexible shaft is fitted on the motor shaft with the help of a coupling. The electric motor in this grinder is fitted on such a basis that it can be moved in any direction. These types of grinding machines are shown in the figure. Read More: 9 Different Types of Sheet Metal Operations with Diagrams 5. It should be used carefully since there is a possibility of getting an electric shock. On one end of the motor shaft, a grinding wheel is fitted and on the other end, a handle or switch for operating the machine is fixed according to our convenience. It is used for cleaning heavy welding jobs. Grinding can be done by holding it in hand. This is a small grinder operated with electric power.
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