Q$5$: Total Productive Maintenance is a technique that can

be used by a company to achieve a world$-$class standard of

performance in terms of overall effectiveness of

equipment $($machines and processes$).$

${?}^a$ Discuss using suitable diagrams how TPM achieves this

b$)$ A CNC machine tool is used for single shift working, the

machine tool is operated for $8$ hours per shift for $5$ days

per week.

The CNC machine tool produces terminal blocks at a

planned production rate of $60$ units per hour. $($All values

are in minutes per week.$)$

Using the table below, calculate the average Overall

Equipment Efficiency $($OEE$)$ for the machine tool over

the three week period and using the principle of 'Best of

the Best' the expected increase in revenue during these

three weeks if achieved. Assume the sales value of a

terminal block to be $20$ each

Attach the completed worksheet to your answer booklet.