Orthogonal symmetric Lie algebra

Machining time is the time when a machine is actually processing something. Generally, machining time is the term used when there is a reduction in material or removing some undesirable parts of a material. For example, in a drill press, machining time is when the cutting edge is actually moving forward and making a hole. Machine time is used in other situations, such as when a machine installs screws in a case automatically.

One of the important aspects in manufacturing calculation is how to find and calculate the machining time in a machining operation. Generally, machining is family of processes or operations in which excess material is removed from a starting work piece by a sharp cutting tool so the remaining part has the desired geometry and the required shape. The most common machining operations can be classified into four types: turning, milling, drilling and lathe work.

Steps

Drilling operation

Drilling time (T) can be calculated by the equation:

$\text{Drilling Time(T)}=\frac{L}{f\times N}$

where;

$L$ is the sum of hole depth approach and over travel distances

$f$ is the feed (mm/rev)

$N$ is the rotational speed (rpm)

References

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