| 摘要 |
PURPOSE: A rotary molding machine is provided to easily mold a tube-shaped product without welded parts and to prevent material segregation. CONSTITUTION: A rotary molding machine comprises a mold and a heater. When the mold is rotated, a liquid material is molded in a tube shape through centrifugal force. Steam or heat from the heater is injected into the mold, and the mold is preheated. The liquid material is hardened by the steam or heat. The molded product is used as a shock absorbing product.
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