45# Round Steel Hard Chrome Coating Doctor Roll for Single facer
Doctor roll
Doctor roll is used to control and adjust the glue volume on the surface of glue roll. Therefore, it is essential to regulate the gap between doctor roll and glue roll. The scrapers on the doctor roll are used to get rid of the glue on the surface of glue roll so that the glue roll can be used for next circulation.
Features:
| Product name | Doctor roll |
| Application | Single facer, glue machine, double facer |
| Coating | Hard chrome 0.03-0.05mm |
| Diameter | 50-500mm |
| The roller surface length | 100-4000mm |
| Cylinder run-out accuracy | ≤0.02mm |
| Cylindricity accuracy | ≤0.015mm |
| Dynamic balancing accuracy grade G2.5 | G2.5 |
1. Lathing
Lathe according to the drawing absolutely.
2. Advanced outer circle grinding machine
The outer circle grinding is same with pressure roll. After finish grinding, we coat hard chrome to exten its life time.
3. Package
