Erection and installation procedure of changing roller device for rolling mill
1. Background
In recent years, with the rapid development of Chinas economy, the number of rolling mills has increased geometrically. Rolling mills are usually equipped with changing roller devices so that their working efficiency can be improved by exchanging rollers according to the different product requirements. It is very important to correctly install and debug the changing roller device of the rolling mill according to the product characteristics.
2. Basic Requirements
Roller device installation must meet the following basic requirements:
(1) Optimize the structure of the rolling mill and make sure that the size and installation location of the device conform to the design requirements.
(2) After installation, the roller must be in a flexible and reliable state; its thickness must meet the design requirements.
(3) The installation must be strong and non-deformable.
(4) The roller should be flexible and reliable when exchanging the roller.
(5) It must make sure that the tolerance of the gap between the roller and the parts adjacent to it is correct and meet the design requirements.
(6) The bearings and reducers should be mounted accurately and ensured to run smoothly.
3. Installation Process
(1) Fixed Positioning of Fixtures
When installing the changing roller device of the rolling mill, first of all, select the correct device, then fix the bearing block, then tighten with bolts and install the bearing and reducer respectively. Without the addition of bolts and screws, the roller will not be able to rotate.
(2) Installation of Rollers
It is important to note that the roller installation part should be connected with the fixed member by support. The roller coincides with the center line of the rolling mill, and it also coincides with the spindle center line of the hobber to ensure that the two parts are in the same plane. At this time, adjust the roller installation part and the fixed member, and then tighten the nut.
(3) Adjustment of Roller Clearance
The clearance between the roller and the operative corresponding parts of the rolling mill should be adjusted according to the technical requirements. At this time, it requires experienced personnel to adjust the clearance and pay attention to the adjustment to ensure that it meets the design requirements.
(4) Test Run
After the above installation is completed, a proper test run should be carried out to check the defects of the installation and adjust one by one. If the installation is correct, it can be officially put into production and use.
4. Conclusion
The above is the installation and commissioning process of the changing roller device of the rolling mill. Erection and installation of the changing roller device of the rolling mill should take the technical requirements as the primary consideration and ensure that the installation conforms to the design requirements. Otherwise, the test run should be carried out again to ensure the correctness, then this device can be put into operation.
