Condition cycle

• Critically assess the equipment

• Carry out an appraisal of its condition

Figure 6.6 Miller M20Ï project management plan

6.4 Equipment description

As a first step, some of the main components of the M201 miller are described in Figure 6.8 and illustrated in Figure 6.9.

Plan view

Figure 6.9 Miller M201 component diagram (see Figure 6.8 for key)

Plan view

Figure 6.9 Miller M201 component diagram (see Figure 6.8 for key)

The performance data for the M201 are given in Table 6.1. A three-week equipment history is provided by Table 6.2.

The M201 operation cycle is shown in Figure 6.10. The operations layout for Department 50 is given in Figure 6.11.

Table 6.1 Miller M201 performance data

Maximum spindle speed

3750 rpm

Maximum axis feed rate

1 m/min

Current spindle speed

2000 rpm

Current x and y axes feed rates

0.5 m/min

Current z axis feed rate

25 mm/min

Time for first cut of hexagonal

33 s

Time for subsequent hexagonal cuts

15 s each

Total number of subsequent cuts

0 0

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