A traditional standard seal groove allows the fitting of drip cups to punches.
I Hollands innovative Universal Seal Groove provides all the benefits of a standard seal groove plus the option of fitting bellows.
Both prevent granule contamination.
Upper Punch Configuration for I Hollands Drip cups and Bellows
The options detailed above are used with the original design of ‘Standard Dust/Oil Cup.’ Holes in the cups are punched by sitting the cup over the die in the press then rotating the press by hand to cut out the hole with the upper punch. The cup will then fit onto the punch tip straight. The ’Undercut Upper Punch Tip’ option retains the tip more efficiently than the standard tip when the press is operated at high speed.
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