Exam Question
Describe following metal finishing processes and objectives;
(a) Honning (4)
(b) Lapping (4)
(c) Polishing (4)
(d) Buffing (4)
Class 4 (4th Engineer)
MEP
📅 May 2023
Reference Answer
### (a) Honing
**1. Process:**
Honing is a precision abrading process used for finishing internal cylindrical surfaces, such as engine cylinder liners. It utilizes abrasive stones, known as hones, which are mounted on a mandrel. The mandrel rotates and reciprocates simultaneously within the bore. This combined motion generates a characteristic cross-hatch pattern on the cylinder surface. A cutting fluid is used to cool the workpiece and flush away removed material (swarf).
**2. Objectives & Characteristics:**
**1. Process:**
Honing is a precision abrading process used for finishing internal cylindrical surfaces, such as engine cylinder liners. It utilizes abrasive stones, known as hones, which are mounted on a mandrel. The mandrel rotates and reciprocates simultaneously within the bore. This combined motion generates a characteristic cross-hatch pattern on the cylinder surface. A cutting fluid is used to cool the workpiece and flush away removed material (swarf).
**2. Objectives & Characteristics:**
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