Saturday 29 July 2017

TECHNICAL TERMS OF MACHINES TOOLS

1.)REAMER – Multiedged cutting tool having cutting edges arranged down the length of the tool, the teeth (and the flutes) being either straight and parallel to the axis or alternatively helical with a lead opposite to the direction of rotation.

2.)RECESSING TOOL – Type of tool employed to cut recesses in bored holes.

3.)SCREW PLATE – A set consisting of the more commonly used taps and dies, a tap wrench, and a die stock, cased in a wooden box.

4.)SCREW SLOTTING SAWS – A series of thin saws of various widths,generally used in an automatic screw machine but sometimes in a milling machine, to cut the slots in the heads of screws.

5.)SURFACE GRINDER– It is a general purpose machine tool used to finish machine a plane surface. There are two types—horizontal and vertical.

6.)PLAIN MILLER – Milling machine in which milling can be carried out in a direction parallel with the axis of the arbor or at right angles to it ,but no swivelling of the worktable is possible.

7.)MACHINE TOOL – Type of power driven machine for cutting metal as employed in machine shops, the term being usually restricted to those which use the tool that produces waste material in the form of chips or cuttings. Typical machine tools are lathes, planers, shapers, slotters, borers, drills, broaches, millers and saws.

8.)MANDREL PRESS – Press for the purpose of fitting mandrels to the bore of the work.

9.)JIG BORING MACHINE – An extremely accurate machine tool having a precession spindle and a table to hold the work. The table and spindle are movable with built in measuring devices. Used for spacing and producing precision holes in tools, dies, and small lot production where extreme accuracy is required.

10.)KNUCKLE PRESS – Press designed to exert a great pressure. It is a strong,
heavily built and a rather slow-moving machine, and the standard range varies from 60-100 tons per sq.inch.


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