1. Excluding the floating bearing in the principal axis, all other transmission parts adopt the rolling bearings, so the machine should be running under the good lubricating conditions.

2. The metal blocks are strictly prohibited into the machine. Immediately take them out when users find if, otherwise that will seriously damage the roller, ring, shovel, and Quincunx Rack.

3. Then the material will be fed evenly and continuously into the machine.

4. The roller and ring are in the usage limit; the remaining minimum wall thickness shall be not less than 10mm.