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Showing posts with the label cutting tool

What are the precautions of a grinding Machine?

Grinding drill bit: The cutting tool used most often in the drill press are twist drills. The flutes of the drill are spiral shape   and as well as carrying savings away   from the cutting edge, they actually from the cutting edges of the drill. As with any other cutting edges of the drill. As with any other drill cutting tool the drill has cutting tool the drill has cutting angles clearance angles and rank angles these angles may need to be changed for the drill to be used on some materials such as gray cast iron, alloy steels or plastics. Precautions of   a grinding Machine: i.                    Must always safety glasses of the operation duration.  ii.                  One should be learnt how to test a wheel for soundness before mounting it.  iii.               The work should not be measured before a revolving wheel. 

Definition of Shaper Machine and Uses of Shaper Machine

Shaper Machine: A Shaper machine is a type of machine tool that uses linear relative motion between the workpiece single point cutting tool to machine a linear tool path. Uses of Shaper machine:   1.      It is used to surface finish. 2.      It is used to shape of metal parts.  The cutting tool is very similar to used on a lathe. Shaper machines are more used for machining   horizontal which is flat surface, angular and vertical surfaces. It is an excellent machine for squaring up a block.   It is an excellent machine   also   for concave or convex surface.  Capital:    Capital is defined as the language of economics assets, goods which was produced or any asset which is non-financial and that is used for production of goods and any serving.

Explain the cutting action on punch & die operation

The punch contacts the work piece material supported by the die & a pressure buildup occurs. When the elastic limit of the work material is exceeding, the material begins to flow plastically. The punch penetrates the work material & the blank is displaced into the die opening a corresponding amount. A radius is formed on the top edge of the hole & the bottom edge of the blank according to figure  Compression of the slug material against the walls of the die opening burnishes a portion of the edge of the blank according to figure  At the same time the plastic flow pulls the material around the punch, causing a corresponding burnished area in the work material. Further continuation of the punching pressure then starts fractures at the cutting edge of the punch & die. Under ideal cutting conditions, the fractures will meet & the remaining portion of the slug edge will be broken away. A slight tensile bar will be formed along the top edge o

What is the difference between machine tool and cutting tool? Describe leaf jig with advantages.

Machine tool represents a machine itself such as lathe machine,drill machine and cutting tool is a component of machine. Leaf jig is distinguished by its hinged cover,or leaf,which is swing open to load or unload the jig as shown in the following figure.After the workpiece has been located inside the jig,the leaf is firmly closed and locked. Leaf jigs can be loaded and unloaded quickly and are suitable for complicated workpieces with irregular contours.Holes may be drilled in more than one surface for a single loading of the jig.Drill bushing may be located in the leaf and reamer bushings in the base,providing the leaf   is rigid enougf to withstand the pressure exerted by the reamer.