Types of Machine

Topics: Milling machine, Milling cutter, Machining Pages: 2 (274 words) Published: June 23, 2013
CLIFFORD T. BALUCAat 101-F mECH

MACHINE
A machine is a tool that consists of one or more parts, and uses energy to achieve a particular goal. Machines are usually powered by mechanical, chemical, thermal, or electrical means, and are frequently motorized. Historically, a powered tool also required moving parts to classify as a machine; however, the advent of electronics technology has led to the development of powered tools without moving parts that are considered machines.

DIFFERENT KINDS OF MACHINE
1 .MILLING
Column & Knee type Milling Machines 

Used for general purpose milling operations, column and knee type milling machines are the most common milling machines. The spindle to which the milling cutter is may be horizontal (slab milling) or vertical (face and end milling). Bed type Machines 

In bed type machines, the work table is mounted directly on the bed, which replaces the knee, and can move only longitudinally. These machines have high stiffness and are used for high production work.

Rotary Table Machines

Rotary table machines are similar to vertical milling machines and are equipped with one or more heads to do face milling operations. 2. GRINDING
Bench Grinder

Is manually operated and normally it has two wheels of different grain sizes that are fixed on a floor stand or a work bench; to perform roughing and finishing operations. It is mainly used to shape tool bits; and repair or make various machine tools. Belt Grinder

Includes a machining process to grind metals and other materials,with the help of coated abrasives. Belt grinding is a versatile process that involves several kinds of applications such as stock removal and finishing.
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