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(jit) principles and systematic layout planning as tools to improve ...

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Presently, <strong><strong>to</strong>ols</strong> for all the machines are s<strong>to</strong>red in the Tool S<strong>to</strong>rage Area<br />

<strong>as</strong> shown in the Figure 1.1. Oc<strong>as</strong>sionally a lot of time taken by the<br />

forklift truck driver <strong>to</strong> deliver the <strong>to</strong>ol from the <strong>to</strong>ol s<strong>to</strong>rage area <strong>to</strong><br />

machine. In addition, files for <strong>to</strong>ol allocation are kept in the <strong>to</strong>ol<br />

s<strong>to</strong>rage area only. One person is responsible <strong>to</strong> keep the <strong>to</strong>ol. If the<br />

Production <strong>and</strong> Planning controller (who determines the <strong>to</strong>ol change<br />

for all the machines in Birkbys Pl<strong>as</strong>tics Limited) wishes <strong>to</strong> <strong>as</strong>sign new<br />

production, <strong>and</strong> therefore the <strong>to</strong>ol will be changed <strong>and</strong> he h<strong>as</strong> <strong>to</strong><br />

contact the <strong>to</strong>ol s<strong>to</strong>rage personnel. If the person is busy, the production<br />

<strong>and</strong> Planning Controller h<strong>as</strong> <strong>to</strong> go <strong>to</strong> the <strong>to</strong>ol s<strong>to</strong>re himself. Time is<br />

w<strong>as</strong>ted due <strong>to</strong> unnecessary movement.<br />

Date<br />

Observed<br />

30-6-97<br />

17-7-97<br />

18-7-97<br />

8-8-97<br />

12-8-97<br />

18-8-97<br />

21-8-97<br />

TABLE 1.4<br />

Machine Set-up <strong>and</strong> Changeover<br />

Machine<br />

No.<br />

A6<br />

A5<br />

A5<br />

Al<br />

A7<br />

A4<br />

A7<br />

From Tool No.<br />

11275<br />

11312<br />

10689<br />

11309<br />

11481<br />

11088<br />

11481<br />

37<br />

To Tool<br />

No.<br />

11361<br />

10689<br />

11518<br />

11005-26<br />

11112<br />

11579<br />

11399<br />

Average<br />

Act Time Taken<br />

3hrs<br />

3 hrs 7 mins<br />

3 hrs 25 mins<br />

3hrs<br />

2 hrs 57 mins<br />

3 hrs 20 mins<br />

2hrs<br />

3hrs

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