ROTATIONAL MOULDING MACHINE
ROTATIONAL MOULDING INTRODUCTION · Rotational molding is a process of making hollow articles. · The part is formed inside a closed female mold. · In this process the mold rotates biaxially during heating and cooling cycle. · Rotational molded pieces are stress free because the pieces are produced without any external pressure. · The ability to manufacture large containers of capacity 30,000 gallons as well as small items like golf ball is responsible for the growth of this process. · The Process requires relatively in expensive equipment and exerts on only small pressure on the material being formed. PRINCIPLE · The principle...
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