The E21 and E200P press brake controllers are products of Estun, a company based in China. Following are the differences between these two controllers:
| Comparison parameter | E21 | E200P |
|---|---|---|
| Display screen | Monocolor | Multicolor |
| X, Y axis positioning | Manual | Self |
| X, Y axis control | 1. Ordinary motor, low positioning accuracy; | 1. Servo motor, high positioning accuracy of 0.05mm; |
| 2. Positioning accuracy: 0.1mm maximum; | 2. Repositioning accuracy: 0.02mm | |
| 3. Repositioning accuracy: 0.1mm; | ||
| X-axis transmission | Chrome coated round rod | Precise linear guide rail with more stable movement |
| X-axis positioning speed | 1. Common engine; | 1. Servomotor; |
| 2. Maximum speed: 40 mm/s; | 2. Maximum speed: 200 mm/s; | |
| Y axis positioning speed | 1. Stepper motor; | 1. Servo motor |
| 2. Maximum rotation speed: 500 r/min | 2. Maximum speed: 1500 r/min | |
| Wiring assembly function | None | 1. Integrated PLC to change valve movement in time; |
| 2. Setting the time for adding pressure, holding pressure and discharging; | ||
| 3. Convenient for maintenance; | ||
| Travel return distance adjustment | None | 1. Adjustable return stroke height, no need to return to neutral every time; |
| 2. Improve efficiency |
