Programming for CNC Machines

Based on the component drawing, a lot of informations are needed to be fed into the control unit for processing and machining. The informations include dimensions, shape, cut- ting speed, feed, depth of cut, sequence of operations, tool and work material. The said informations should...
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Feedback System in NC Machine

In NC machine system, the instructions are picked from the punched card or tape by the reading Unit. Processors send electric pulses which actuate the motors and slides to govern the movement of the spindle or tables. A control system is necessary to check the...
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Classification of NC Machine Tools

According to various features, NC machine tools are classified as the following According to the type of power to the drives Electrical Hydraulic Pneumatic According to motion control system of slides Point- to – point system Contour (or) continuous path system According to the feedback...
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Elements of a Machine Control Unit

In general, a Machine Control Unit consists of following elements Input reading unit Memory unit Processing unit Output channels Feedback unit Input reading unit It is a electromagnetic device useful in reading the NC programs in the form of instructions. The main functions of a...
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Computer Numerical Control Machine

Production is a process of converting raw material into finished products. The process of production is achieved by the collective efforts of man and machine using materials and tools. It requires information and energy to accomplish production by machining. Over the period of time, several...
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