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Rotational molding offers a number of benefits, but it’s not the best production process for every part. So how do you decide if it’s a fit for you? Understanding the advantages and disadvantages of the process is the first step towards making a decision with confidence.
Rotational Molding Uses
Pulverizers provide material size reduction services for customers with a variety of goals, such as creatine powder for medicine, creating pulp for paper production, grinding grain for food production, tire-shredding and recycling, breaking down building materials, turning soil, crushing vehicles for scrap, grinding rock samples, and more.
Some of the industries that rely on pulverizers include construction, agriculture, industrial manufacturing, power generation, pharmaceutical products development, landscaping, laboratory, printing, recycling, and material processing.
Pulverizers are generally sorted into three main categories: crushers, impactors and grinding mills. Crushers are designed to reduce the size of large, dense materials such as rock and stone to gravel or dust. Primarily, crushers are used for size reduction, easy disposal or recycling and to simplify differentiation of materials.
Pulverizers are the precision engineered machines that are used for grinding various materials such as plastic, aluminum, glass, concrete, rock, coal, resins, tires, and medical waste. Also, these are quiet useful in the rotational molding process for grinding granules/ powder before they are fed into the molds. Pulverizers are heavy duty machines designed to ensure increased production capacity. Despite their heavy duty designs, the machines can be operated by single person. Pulverizers find applications in plastics pulverizing including rotomoulding, PVC recycling, compounding & master batching industry.
Single mill pulverizer is also one of the types of the pulverizer machines which are used in various industries widely. The single mill pulverizer machines are known for their high capacity, low maintenance and steady performance. These machines produce top quality plastic powders for rotation molding, coatings, flame spraying processes, carpet backside coatings, extrusion and additional processes.
This article presents all the information you need to know about rotational molding. Read further and learn more about the following:
Overview of rotational molding and its history
Types of rotational molding machines
Rotational molding processes
Materials used in rotational molding
Chapter 1: Rotational Molding
Tooling made from aluminum castings are by far the most common type of rotational molds. They are relatively inexpensive and can be cast, machined, and framed quickly. High quaility castings with low pourousity will produce a wide range of parts with fairly intricate detail, elaborate shapes and patterned finishes. Aluminum tools are well suited to produce air or water tight plastic parts as well.
Aluminum molds are lightweight, and transfer and dissipate heat well making them ideal for repeated cycles through rotational molding ovens. Cast tools can be modified after they have been put into production to accommodate slight changes to the parts design.