FRITSCH PULVERISETTE 4 classic line - Manual (Page 5)

6.1.1 Size of the grinding balls................................................... 26
6.1.2 Number of balls per grinding bowl (independent of the
material quantity)............................................................. 27
6.1.3 Calculated weight of a ball................................................ 28
6.2 Filling quantities of grinding bowls...................................... 28
6.3 Filling the grinding bowl....................................................... 29
6.4 Factors with an impact on grinding..................................... 29
6.4.1 Running time (grinding duration)..................................... 29
6.4.2 Speed................................................................................ 29
6.4.3 Reverse mode................................................................... 30
6.4.4 Number and size of the balls............................................ 30
6.4.5 Weight of the balls (type of material)............................... 30
6.4.6 Dry grinding....................................................................... 30
6.4.7 Wet grinding (grinding in a suspension)........................... 31
6.5 Clamping the grinding bowls............................................... 31
6.5.1 Clamping the 500 ml, 250 ml and 80 ml grinding bowls... 32
6.5.2 Clamping the 45 ml and 12 ml grinding bowls.................. 33
6.6 Mass balance....................................................................... 34
6.7 Grinding duration................................................................. 35
6.8 Settings on the control panel............................................... 36
6.8.1 Select program.................................................................. 36
6.8.2 Start the mill..................................................................... 36
6.8.3 Switching off..................................................................... 36
6.8.4 Meaning of the LED display.............................................. 36
6.9 Conducting a grinding operation......................................... 37
6.9.1 Overload........................................................................... 37
6.9.2 Interrupt a grinding process.............................................. 37
6.9.3 Switching off..................................................................... 38
6.10 Cooling the grinding bowl.................................................. 38
7 Accessories................................................................................... 39
7.1 Additional clamping system for grinding harmful sub-
stances or in a gas atmosphere............................................ 39
7.1.1 Locking the additional clamping system into place.......... 39
7.1.2 Grinding in inert gas with gassing lid................................ 41
7.2 GTM - system....................................................................... 44
8 Cleaning........................................................................................ 45
8.1 Grinding elements................................................................ 45
8.2 Mill....................................................................................... 45
9 Maintenance................................................................................ 46
10 Repairs......................................................................................... 47
11 Examples of comminution tasks.................................................. 49
12 Disposal........................................................................................ 51
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