In this article we will discuss about the influence of various angles on cutting edges in milling of steels. 1. Radial Rake Angle: It is obvious from Fig. 16.33 that radial rake angle is the angle between the blade (flute) face and a radial reference plane drawn from the cutter axis to the cutting edge. Its value depends upon the [...]
In this article we will discuss about the meaning and advantages of chemical milling. Meaning of Chemical Milling: This is a form of etching process. In this process job is first cleaned properly and then some sort of preventive coating is applied (masking) on that particular portion which is not to be machined. The preventive coating is of vinyl plastic. [...]
In this article we will discuss about the important factors that require due consideration in the milling work: 1. Selection of Milling Machine 2. Selection of Proper Tool for the Job 3. Gang Milling 4. Design of Work-Piece for the Milling Operation 5. The Milling Process 6. Roughening 7. Finishing Cuts. 1. Selection of Milling Machine: There are many factors [...]
In this article we will discuss about:- 1. Meaning of Indexing 2. Methods of Indexing 3. Helical of Spiral Milling. Meaning of Indexing: Milling operations sometimes, require the rotation of job correct to fractions of minutes, for each groove, slot etc., to be cut evenly on the job surface. The accuracy of spacing of teeth is very important particularly when [...]