Milling Operations Calculator

➤ Cutting Operation
➤ Facing Operation
➤ Calculate Total Time for Milling Operation

Cutting Operation

Approach Lenth = √Dd-d2

Enter your values:

Diameter of Cutter(D):
Depth of the job(d):


Approach Length:

Facing Operation

Over-Run = 1/2 ( D - √D2-W2 )

Enter your values:

Diameter of Cutter(D):
Width of the job(w):



Calculate Total Time for Milling Operation

Time Required for Cut = Length of Cut / (Feed/Rev). × r.p.m.
Total Time = Length of Cut / (Feed/Min). × Number of Cuts

Enter your values:

Length of job:
Number of teeths on cutter:
Revolution of job/min.(r.p.m.):
Number of Cuts:


Length of Cut:
Added Table Travel:
Time Required for Cut:
Total Time:

Milling Operations Milling is the most common form of machining, a material removal process whereby various features are created in part by cutting away unwanted material. The milling process requires a milling machine, workpiece, fixture and cutting machine. The work piece is a preformed material held in a fixture, which itself attaches to the platform inside the milling machine. A cutter is a cutting tool with sharp teeth that is also fixed in the milling machine and rotated at high speed. By feeding the workpiece into a rotary cutter, material is separated from the workpiece in the form of small chips to create the desired shape
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