This machine is suitable for testing the abrasion resistance of the pencil lead core writing a certain displacement.
QB/T 2774-2006 clause 5.3, QB/T 1024-2007, GB/T 26704-2011
1. weights: 150g, 200g, 300g each
2. Roller speed: 40 cpm
3. Micrometer: Japan Mitutoyo original digital display
4. grinding nib 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