Retsch PP 25 - Manual (Page 16)

Operating the machine
16
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5.2 Overview table of the parts of the device
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Element Description Function
A Handle hand wheel Grip for turning the hand wheel (hinged)
B Hand lever Lever for operating the pump
C Hand wheel For turning the spindle into the pressing position
D Threaded spindle For tensioning the die tool
E Pressing chamber door Protective equipment
F Centring ring Positioning aid for die tool (alternative use)
G Die plate Cover on the pressing cylinder
H Shut-off valve Valve for building up pressure
J Pressure cylinder Presses the sample against the spindle
K Pressure display Indicates the level of pressure in the hydraulic system
L Suction cups Hold the press in position
M Plunger Builds up pressure
N/O Pressure piece Surrounds the sample
P Basic body of the die tool Accommodates the pressing parts
R Vacuum connection Adapter for evacuation
S Slide Anvil for pellets
PP Pressing plate Plate to aid pellet ejection
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5.3 Preparing the Sample Material
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CAUTION
Danger of personal injury
Dangerous nature of the sample
–
Depending on the dangerous nature of your sample, take the
necessary measures to rule out any danger to persons.
• Observe the safety guidelines and datasheets of your
sample material.
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These degrees of fineness can be achieved e.g. by grinding in a ball mill ,
preferably in the Retsch PM100; PM200; PM400; RS200 or MM400.
In most cases, particularly where hard materials are concerned, some wax powder
has to be mixed well with the ground sample before conducting the pressing
procedure.