Drilling Machine.. Its Working And Types
Working principle: Though holes can be made by some other machine tools or machines but drilling can be done very easily and at low cost in a shorter duration. A mark is made at the specific location with a center punch.
Grooving: It is the process of cutting a narrow groove on the exterior of the work piece. Its usually done at the end of a thread or near the shoulder to leave a small margin. The groove might be in many shapes square, radial or beveled.
Types of Drilling Machines: 1) Based on construction: Portable Sensitive Radial 2) Based on Feed: Hand driven Power driven
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