Specification of Machine Tools – Lathe, Milling, Drilling, Shaping

A machine tool may have a large number of various features and characteristics. But only some specific salient features are used for specifying a machine tool. All the manufacturers, traders and users must know how are machine tools specified.

The methods of specification of some basic machine tools are as follows:

 Specification Of Centre lathe

• Maximum diameter and length of the jobs that can be accommodated
• Power of the main drive (motor)
• Range of spindle speeds
• Range of feeds
• Space occupied by the machine.

Specification Of Shaping machine
• Length, breadth and depth of the bed
• Maximum axial travel of the bed and vertical travel of the bed / tool
• Maximum length of the stroke (of the ram / tool)
• Range of number of strokes per minute
• Range of table feed
• Power of the main drive
• Space occupied by the machine

Specification Of Drilling machine (column type)

• Maximum drill size (diameter) that can be used
• Size and taper of the hole in the spindle
• Range of spindle speeds

• Range of feeds
• Power of the main drive
• Range of the axial travel of the spindle / bed
• Floor space occupied by the machine
o Milling machine (knee type and with arbour)
• Type; ordinary or swiveling bed type
• Size of the work table
• Range of travels of the table in X-Y-Z directions
• Arbour size (diameter)
• Power of the main drive
• Range of spindle speed
• Range of table feeds in X-Y-Z directions
• Floor space occupied.

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