Double Girder Overhead Crane for Lifting Large Paper Reels in Paper Plant
0.1-13m/min (frequency control)The double-girder bridge crane (double-girder bridge machine) used to lift paper rolls in paper mills is a key equipment in paper production and needs to be accurately selected and designed based on the characteristics of the paper rolls and the working conditions of the workshop.
Technical Parameters:
| Lifting Capacity | 5-500 tons |
| Span Range | 6-40 m |
| Lifting Height | 3-60 m |
| Lifting Speed | 0.1-13m/min (frequency control) |
Typical Application Scenarios
1. Dry-End Finished Paper Roll Transfer
Function: Lifts finished paper rolls from the paper reel to the storage area. Each roll weighs 5-30 tons.
Technical Requirements: Lifting speed of 0.1-13 m/min (Summary 1), precise alignment to avoid scratching the paper roll surface.
2. Wet-End Wet Paper Roll Lifting
Function: Lifts wet paper rolls in the wet section of the paper machine (such as the press and drying sections). Resistant to high humidity and pulp corrosion is required.
Design Features: Utilizes a fully enclosed electrical system (IP54 protection, Summary 8), with moisture-proof treatment for the motor and reducer.
3. Equipment Maintenance Support
Intermediate trolley: 20-ton class (Summary 3), used for replacing heavy components such as paper machine rollers and cylinders. Working class ISO M4 (FEM 1AM).