FRITSCH PULVERISETTE 5/4 classic line - Manual (Page 5)

5.2 Function check..................................................................... 27
6 Using the device........................................................................... 28
6.1 Choice of grinding bowls and grinding balls........................ 29
6.1.1 Size of the grinding balls................................................... 30
6.1.2 Number of balls per grinding bowl (independent of the
material quantity)............................................................. 31
6.1.3 Calculated weight of a ball................................................ 32
6.2 Filling quantities of grinding bowls...................................... 32
6.3 Filling the grinding bowl....................................................... 33
6.4 Factors with an impact on grinding..................................... 33
6.4.1 Running time (grinding duration)..................................... 33
6.4.2 Speed................................................................................ 33
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)............................... 34
6.4.6 Dry grinding....................................................................... 34
6.4.7 Wet grinding (grinding in a suspension)........................... 34
6.5 Clamping the grinding bowls............................................... 35
6.5.1 Clamping with the "Safe-Lock" (5) tensioning device....... 35
6.5.2 Clamping the 80 ml grinding bowls................................... 37
6.6 Mass balance....................................................................... 37
6.7 Grinding duration................................................................. 37
6.8 Settings on the control panel............................................... 39
6.8.1 Setting the speed.............................................................. 39
6.8.2 Setting the running time................................................... 39
6.8.2.1 Changing the time unit in setup mode.......................... 40
6.9 Repetition of grinding / pause cycles................................... 41
6.10 Reverse mode.................................................................... 41
6.11 Conducting a grinding operation....................................... 41
6.11.1 Overload......................................................................... 42
6.11.2 Switching off................................................................... 42
6.12 Cooling the grinding bowl.................................................. 42
6.13 Stand-by............................................................................. 43
7 Accessories................................................................................... 44
7.1 Additional clamping system for grinding harmful sub-
stances or in a gas atmosphere............................................ 44
7.1.1 Locking the additional clamping system into place.......... 44
7.2 Grinding in inert gas with gassing lid................................... 48
7.2.1 Preparation for gassing..................................................... 48
7.2.2 Gassing.............................................................................. 49
7.2.3 Ventilate after grinding..................................................... 49
7.2.4 Cleaning the valves........................................................... 50
7.2.5 Installing valve inserts....................................................... 50
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