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Scope of application:
This machine is suitable for testing the wear resistance of pen lead writing with a certain displacement. Meets the requirements of GB T26704-2022 Pencil 7.2 standard
Technical Specifications:
1. Weights: one 150g, one 200g, and one 300g each
2. Roller speed: 6 r/min Drum diameter: (160 ± 1) mm
3. Dial indicator: digital display
4. Grinding pen tip with sandpaper: W14 metallographic sandpaper
5. Core tip gauge plate aperture: 0.7mm, 0.8mm
6. Volume (W × D × H): 78 × 33 × 42 cm
7. Weight: 50 Kg
8. Power supply: AC220V 50HZ