Sheet Metal Cone Rolling Machine
Technical Parameters of Sheet Metal Cone Rolling Machine
|Model||Pressure on the Upper Roll||End|
|Central(mm)||Diameter of Upper Roll||Diameter of Lower Roll||Central|
|Main Motor (kw)||Roll Cone Angle|
Rolling Steel Plate into Cones: Techniques and Machinery
The plate roller is a versatile machine that can be utilized to create cone-shaped pieces of metal. Rolling steel plate into cones requires careful preparation and precise execution. In this article, we will explore the process of rolling steel plate into cones, the importance of proper machinery, and the advantages of using a four-roll machine over a three-roll machine.
Preparation and Cutting
To begin the process, the metal plate must be cut to the appropriate size before bending. This involves pre-cutting a flat metal blank with the correct inner and outer radius to form the desired cone shape. Accurate measurements and precise cutting are crucial for successful cone fabrication.
Once the steel plate is prepared, it is ready to be rolled into a cone shape using a plate roller. The blank is fed into the machine, with the inner radius held against a cone rolling attachment. It is essential to feed the inner radius through the roller at a slower rate than the outer radius. This differential feeding ensures gradual and precise formation of the cone shape.
Machinery and Techniques
Both three-roll and four-roll machines can be used for cone rolling, but there are some important considerations to keep in mind. Inclining the forming rolls in a positive attitude is crucial for guiding the small diameter and achieving optimal results. Additionally, using a hardened contrast die is necessary to control and slow down the speed of the small diameter.
Challenges with Three-Roll Machines
Rolling a cone on a three-roll double pinch machine presents challenges due to the nature of the rolling process. In this setup, all three rolls are driven, making it difficult for the contrast die to retard the rotation on the small diameter while simultaneously making the large diameter move faster. This unnatural situation can impact the quality of cone rolling.
Advantages of Four-Roll Machines
A four-roll bending machine, on the other hand, offers distinct advantages for rolling cones. With inclinable forming rolls and a hardened contrast die, it provides greater control and precision during the rolling process. The inclinable rolls enable better guidance of the small diameter, while the hardened contrast die ensures proper speed control, resulting in superior cone fabrication.
Rolling steel plate into cones requires careful preparation, precise cutting, and the use of appropriate machinery. The plate roller, whether a three-roll or four-roll machine, can be utilized for this purpose. However, for optimal results, a four-roll machine with inclinable forming rolls and a hardened contrast die is recommended. By following these techniques and employing the right machinery, you can successfully fabricate accurate and high-quality cones for various applications.