This machine is to add 400g weight to the pen clip, set the counting meter to zero, turn on the motor, lead core rotating friction on the copper plate to 100 turns, turn on the recorder, start drawing lines to record, wait for the recorder to rotate for a week and then turn the motor off.
QB/T 2774-2006 clause 5.4, QB/T 1024-2007, GB/T 26704-2011
1. Weight: 400g
2. Roller speed: 40 cpm
3. Sandpaper for grinding nib: W14 metallographic sandpaper
4. Core tip gauge plate aperture: 0.7mm
5. Volume (W × D × H): about 60 × 45 × 60 cm
6. Weight: 60 Kg
7. Power supply: AC220V 50HZ.