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PUNCH AND DIES
The Following are the different types of Tooling, dimensions and maximum and possible tablet size:
|
Tolling |
Punch Diameter (mm) |
Die Diameter (mm) |
Maximum Tablet Size |
|
|
For Round |
For Shape |
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|
D |
25.4 |
38.1 |
25 |
25 |
|
B |
19 |
30,15 |
16 |
19 |
|
BB |
19 |
24 |
13 |
14 |
|
DB |
25.4 |
30.15 |
19 |
19 |
|
Tablet press with non- standard tooling should be avoided as far as possible |
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|
Normally the following combinations is used :
AISI D2 (HCHC)
S7
Better hardness) : S1 |
|
HARDNESS |
|
|
|
-Measured in HRC |
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|
(Rockwell ‘C’ Scale) and |
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|
|
optimum reading are as follow : |
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|
STEEL HARDNESS OHNS 55 - 60 01 HCHC 58 - 60 D2 HCHC 58 - 60 D3 S7 54 - 58 S1 54 - 58 |
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