After reading this article you will learn about the process and machine capabilities. Process Capabilities: A process capability study is a determination of the total spread of the process as determined by measuring the product produced under controlled conditions. The process capability is independent of the specification but is determined by: (i) The condition of the machine, (ii) Operator skill, [...]
Sampling plans may be classified as follows: 1. Single Sampling Plans 2. Double Sampling Plans 3. Multiple Sampling Plans 4. Sequential Sampling Plan (Item by Item Analysis). 1. Single Sampling Plans: A lot is accepted or rejected on the basis of a single sample drawn from that lot. i. Under this plan, a lot is accepted or rejected on [...]
The different steps involved in process planning are: 1. Preparation of Working Drawing 2. Make or Buy Decision 3. Process Selection 4. Machine Capacity 5. Process and Equipment Selection Procedure 6. Selection of Material, Jigs, etc. 7. Preparation of Documents. Step # 1. Preparation of Working Drawing: A product is depicted by its drawing. A working drawing is a document [...]