Bottom part seal, 100 pieces
The quick-change toolholder system HT22 is characterised primarily by an increased wear resistance. The system’s especially long service life makes itself apparent on the construction site by a considerable reduction of the replacement intervals. A characteristic feature is the prismatic arranged contact surface. Just like its predecessors, the current quick-change toolholder system HT22 is recognised particularly due to its characteristic zigzag shape, typical for WIRTGEN.
The seals between the upper and bottom part ease disassembly. WIRTGEN offers a lubricating grease which protects the quick-change toolholder from corrosion (refer to page 175).
1 Reduction in maintenance requirements thanks to greater intervals for torque control of the quickchange toolholder screws (every 500 hours).
2 Significantly larger, more robust and selfcentring contact surfaces of the upper to bottom part ensure a longer service life of the milling drums.
3 An innovative centring imprint on the pick contact surface in combination with GENERATION X² picks ensures a maximum toolholder service life right from the very start.*
4 Greater wear volume in the shoulder section improves the protection of the lower part of the toolholder when milling abrasive materials over a longer period of time.*
5 Optimised shank geometries (larger transition radii) with extra improved heat treatment allow maximum loads.*
* available with HT22 PLUS upper part only
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