Luoyang Zhongtai Industrial Co., Ltd.
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W11-10*3200 Hydraulic Three-Roll Symmetrical Plate Rolling Machine
Ⅰ.Technical parameters of Hydraulic Three-Roll Symmetrical Plate Rolling Machine of Metallurgy Machine
| Model No. | W11-10*2500 |
| Maximum roll plate thickness (mm) | 10 |
| Maximum roll board width (mm) | 3300 |
| Upper roll diameter (mm) | 273 |
| Lower roll diameter (mm) | 245 |
| Hydraulic motor (Kw) | 5.5 |
| Auxiliary motor power (Kw) | - |
| Sheet yield limit (MPa) | 245 |
| Main drive motor power (Kw) | 15 |
| Reel speed (m/min) | 5.5 |
| Main reducer | JZQ400 |
Ⅱ. Rolling principle of Hydraulic Three-Roll Symmetrical Plate Rolling Machine of Metallurgy Machine
The structure of this machine is three rolls symmetrical. The upper roller moves vertically up and down in the symmetrical position of the center of the two lower rollers, which is obtained by the hydraulic oil in the hydraulic cylinder acting on the piston. The two lower rollers rotate, and the output gear of the reducer meshes with the lower roller gear to realize the walking of the plate. When the lower pressure of the upper roll exceeds the yield limit of the material, the rolled material will be deformed. The deformation process is shown as follows:
The above rolling process is for reference only.
Ⅲ. Fault and the solution of Hydraulic Three-Roll Symmetrical Plate Rolling Machine of Metallurgy Machine
| No. | Fault symptom | Possible cause
| Solution
|
| 1 | Motor shutdown | Overload Out-of-phase | Reduces down pressure on the upper roll
Maintenance |
| 2 | The workpiece does not go | Motor not running
There is oil dirty in the plate or roll body
Triangle belt over loose | Check the line, motor
Removing oil stains
Adjust the tension of the triangle belt |
| 3 | Excessive fracture of the upper roller journal | Overload, excessive pressure
Violation of operating rules
| Pay attention to the amount of pressure
Correct operation
|
| 4 | The cylinder is not working | The hydraulic motor does not rotate (or the direction is wrong) the hydraulic oil is too little
The relief valve damping hole is blocked | Check motor wiring or steering Fill with hydraulic fluid
Check whether the filter is blocked and remove the damping hole
|
| 5 | The two ends of the winding workpiece have different radians | The upper roller height is not the same There are foreign bodies on both sides of the rolling workpiece, welding slag, etc The ID of the digital display table is incorrect | Operate the solenoid valve separately
Remove foreign matter and welding slag
Adjust the number display table
|
| 6 | Couldn't get the slider out Reverse the slide and it won't fall | It's not in the right position
The down roll doesn't work | Adjust
Adjust
|