Scope of application:
This machine adds a 400g weight to the pen holder, sets the counter to zero, starts the motor, and when the lead core rotates and rubs on the copper plate for 100 revolutions, opens the recorder and starts drawing lines for recording. After the recorder rotates one revolution, turn on the motor. Standard basis: Clause 5.4 of QB/T 2774-2006, QB/T 1024-2007，GB/T 26704-2011.
Technical Specifications:
1. Weight: 400g
2. Roller speed: 40 cpm
3. Grinding pen tip with sandpaper: W14 metallographic sandpaper
4. Core tip gauge plate aperture: 0.7mm
5. Volume (W × D × H): approximately 60 × 45 × 60 cm
6. Weight: 60 Kg
7. Power supply: AC220V 50HZ. 6. Power supply: AC220V 50HZ