There are two ways to roll the cone-shaped barrel with an ordinary three-roller plate rolling machine. <br>The most convenient is to install a cone rolling device on the plate rolling machine. <br>The roller in the plate rolling machine is made into a cone shape with a certain slope. <br>In order to have a large lateral force when rolling. <br>In addition, a side reduction gear wheel must be installed. The retaining wheel needs to be quenched.
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