Explain the different recording techniques used in method study. Also outline process chart for checking diameter of 50mm of shaft.

Explain the different recording techniques used in method study. Also outline process chart for checking diameter of 50mm of shaft.
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1 Answer

Answer :

Different recording techniques used in method study:

Process charts are used to record the data systematically so that none of the information needed for study and analysis is missed.

A. Chart indicating process sequence:

1.Outline process chart 2.Flow process chart 3.Two hand process chart

B. Chart using a time scale:

1. Multiple activity chart, 2. Simo chart

C. Flow diagrams/Models

1. String diagram 2. Flow diagram

3.Cycle graph 4.Chronocycle graph

1.Outline process chart:

An outline process chart is a process chart which gives an overall view of a process by recording only the main operations and sequences in proper sequence.

It gives overall picture of the process using basic symbols like operation and inspection.

Example : Changing of Sim card of mobile

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Two handed process chart

Two handed process chart is also known as Left and Right Hand process chart.

The two-handed process chart is generally used for repetitive operations, when one complete cycle of the work is to be recorded.

The aim of this investigation is to eliminate or reduce the unwanted motion to minimum and to arrange the best of motions in a possible sequence

Example: Assembly of Nut and bolt

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Cycle graph: In making a cycle graph, a small electric bulb is attached to the hand, finger or any other part of body whose motion is to be analysed or recorded. Path of the light of the bulb is same as that of the body member. As bulb moves through the space for one complete cycle, path is photographed by still photograph. The path traced by the body member is the bulb appears as white continues line in the background of the working area. However, there is no indication of the direction or speed of motion.

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