FRITSCH PULVERISETTE 7 classic line - Manual (Page 5)

6 Using the device........................................................................... 28
6.1 Choice of grinding bowls and grinding balls........................ 28
6.1.1 Size of the grinding balls................................................... 30
6.1.2 Number of balls per grinding bowl (independent of the
material quantity)............................................................. 30
6.1.3 Calculated weight of a ball................................................ 31
6.2 Filling quantities of grinding bowls...................................... 31
6.3 Filling the grinding bowl....................................................... 32
6.4 Factors with an impact on grinding..................................... 32
6.4.1 Running time (grinding duration)..................................... 32
6.4.2 Speed................................................................................ 32
6.4.3 Reverse mode................................................................... 33
6.4.4 Number and size of the balls............................................ 33
6.4.5 Weight of the balls (type of material)............................... 33
6.4.6 Dry grinding....................................................................... 33
6.4.7 Wet grinding (grinding in a suspension)........................... 34
6.5 Clamping the grinding bowls............................................... 34
6.5.1 Clamping with the spindle clamping device (5)................ 34
6.6 Mass balance....................................................................... 35
6.7 Grinding duration................................................................. 35
6.8 Setting the speed................................................................. 37
6.9 Setting the running time...................................................... 37
6.9.1 Changing the time unit in setup mode............................. 38
6.10 Reverse mode.................................................................... 38
6.11 Repetition of grinding / pause cycles................................. 39
6.12 Conducting a grinding operation....................................... 39
6.12.1 Overload......................................................................... 39
6.12.2 Switching off................................................................... 40
6.13 Cooling the grinding bowl.................................................. 40
6.14 Stand-by............................................................................. 40
7 Cleaning........................................................................................ 41
7.1 Grinding elements................................................................ 41
7.2 Mill....................................................................................... 42
8 Maintenance................................................................................ 43
9 Repairs......................................................................................... 45
9.1 Checklist for troubleshooting............................................... 45
10 Disposal........................................................................................ 47
11 Guarantee terms.......................................................................... 48
12 Exclusion of liability..................................................................... 50
13 Safety logbook............................................................................. 52
14 Index............................................................................................. 54
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