Page 145 - TPM A Route to World-Class Performance

124 TPM-A Route to World-Class Performance

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 4
Total time for all cuts 93 s
z axis travel per cut 2mm
z axis total travel 10 mm

Table 6.2 Miller M201 equipment history

Cycle time 3.00 min
Day, Planned Planned Unplanned First
Week based stoppages availability stoppages Changeover Uptime Completed Rework time
no on (mini (min) (mini (mid (min) cycles OK
1440
rnin

15 M 530 910 120 790 187 187
T 530 910 153 20 737 185 185
W 530 910 96 814 124 13 111
Th 530 910 132 20 759 209 209
Fr 530 910 129 13 769 175 13 162
16 M 530 910 90 820 151 118 33
T 530 910 42 9 859 228 228
W 530 910 42 9 859 228 228
Th 530 910 99 20 79 1 121 121
F 530 910 50 860 201 201
17 M 530 910 27 32 851 223 223
T 530 910 115 12 783 203 51 152
W 530 910 34 24 852 214 214
Th 380 1060 356 5 700 132 132
F 530 910 46 17 847 236 76 160
2546