The study is intended to study the factors in bite slices with a knife PDER-2M APMT1604 tablets which affect the service life of the cutting edge by doing the test machining material carbon steel (S45C) Factors that affect the service life of the cutting knife speed is important. Entering rate and depth. In addition, factors that affect a sharp cut in a direction control. Distance to enter a side job cutting and cooling Therefore, this research was done by trial wrap speed control. Enter a rate. The depth factor in experimental studies is defined by 3 types of factors is entered (Overlap) Direction control of a bite (Cut Direction) and cooling water (Coolant) is a variant of the surface roughness, which is in the scope specified in the standard milling surface roughness (Ra) ≤ 1.6 micrometre level is defined by a factor of 2 is entered, level (Overlap) at 2 mm and 4 mm a mobile restaurant cutting direction.Onbaep (Climb Milling) and a cutting motion across the (Conventional Milling) water cooling. (Coolant), closed and open from the study found that factors that affect life and work surface roughness is entering (Overlap) Direction control of a bite (Cut Direction) and cooling water (Coolant) affect the service life of the knives, pellet significantly at 0.05 level of the appropriate factors, that is the direction the movement should use a machining (Milling Climb) Cooling water should be closed and the entry of 2 mm (Overlap), which makes life, work knives, pellet filled surface roughness quality performance and long life.Mobile machining should use the (Climb Milling) Cooling water should be closed and the entry of 2 mm (Overlap), which makes life, work knives, pellet filled surface roughness quality performance and long life.
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