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Cylindrical Grinding Machine: Types, Process & Working Principle

Cylindrical Grinding Machine: Types, Process & Working Principle :- Cylindrical grinders are employed to slice or cut very precise and subtle finishes on materials such as aluminum, carbide, steel or other metals. They are especially used to work on cylindrical surfaces, rods or other cylindrical work pieces. The cylinder lays in the middle of tow centers and turns in one direction whereas the grinding wheel approaches in the opposite direction.

The working of a cylinder grinder is very much similar to lathe. The only difference is that the lathe uses stationary cutting equipment whereas the grinder uses a grinding wheel. The cylinder grinders grind the materials having a central axis of rotation, for example crankshafts.

In addition to turning the work piece swiftly opposite to the grinding wheel, both the wheel and the table on which the work piece lays experience diverse movements. The grinding wheel moves up and down or side to side and the table moves backward and forward. Cylindrical grinding gives high precision and provides a superb final finish.

Types of Cylindrical Grinding Machine

  1. Inside Diameter Machine
    The inside diameter machine employs a collet for grinding the interior of the substance. This cylindrical grinding machine applies a wheel that is smaller than the width of the substance.
  2. Outside Diameter Machine
    The outside diameter machine employs centers for grinding the external surface of the substance. The centers turn the object when the object progresses through the grinding wheel.
  3. Plunge Grinding Machine
    The plunge grinding machine is a type of outside diameter machine. In the plunge grinding machine the grinding wheel moves radially towards the substance.
  4. Creep Feed Grinding Machine
    The creep feed grinding machine eliminates a full chunk of the substance through the grinding wheel all at once. This machine greatly reduces the manufacturing time.
  5. Centerless Grinding Machine
    The centerless grinding machines do not use centers or a collet to grip an object. These machines employ a regulating wheel placed opposite to the grinding wheel.

Types of Cylindrical Grinding Process

There are basically two types of cylindrical grinding Process-

  1. External Cylindrical Grinding
    External cylindrical grinding is very common grinding processes. This grinding is mainly employed for grinding rotationally symmetrical work pieces. There are different methods of external cylindrical grinding depending upon the type of work piece clamping and feed directions:

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