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Showing posts with label Metal work. Show all posts
Showing posts with label Metal work. Show all posts

Difference between Positive and Negative Rake Angles

Difference between Positive and Negative Rake Angles Points : difference between positive and negative rake angles, positive rake angles vs negative rake angles, comparison between positive and negative rake angles, difference between the rake angle and cutting angle
Difference between Positive and Negative Rake Angles
Positive Rake Angles
Negative Rake Angles
1.A positive rake angle is a top rake angle of less than 90°A negative rake angle is a top rake angle of 90° or larger.
2.A positive rake angle to cut hard materials such as cast iron.A negative rake angle to remove large amounts of material.

Functions or Uses of Coolants or Cutting Fluids

Functions or Uses of Coolants or Cutting Fluids Points : functions or uses of coolants or cutting fluids The main purpose of cutting fluids are given as under.
  1. It helps in keep newly machined surface bright with give a protective coating beside atmospheric, oxygen and therefore keep the finished surface as of corrosion.

Importance of Metal Work

Importance of Metal Work Points : Importance of Metal Work, basic concepts of metal Workshop, Short note on Importance of metal work Metal work is commonly observed as the functioning of metal, as of 16 gauges downward to 30 gauges, by hand tools with simple machines into different forms by cutting, form into shape with joining.

Parts of Power Hack Saw

Parts of Power Hack Saw Points : Parts of Power Hack Saw, Enlist the different parts of Power Saw
  1. Connecting rod
  2. Cut off gauge
  3. Vise Handle

Types of Metal Cutting Saws

Types of Metal Cutting Saws Points : Types of Metal Cutting Saws, different types of metal cutting saws, Enlist the types of metal cutting saws
  1. Horizontal Band Saw
  2. Abrasive Cut Off Saw

Differentiate between Counter Sinking and Counter Boring

Differentiate between Counter Sinking and Counter Boring Points : Differentiate between Counter Sinking and Counter Boring, comparison between counter sinking and counter boring Counter Sinking Counter sinking is method of making a cone shaped increase of end of a hole to provide is recess for a plane head screw and counter sunk rivet intense on the hole.

Dies and it Process

Dies and it Process Points : Dies and it Process, Process for Using the Die Stock Die is prepared of instrument steel have flutes in them used for cutting ends.

Safety Precaution While Chipping with Chisel

Safety precaution while chipping with chisel Points : Safety precaution while chipping with chisel, What safety precautions should be observed when chipping with chisel?
  1. Towards slash off a strip, use vise as a show with shear the metal down the line of jaws by a flat chisel.