Looking for rotational molding alternatives in Wisconsin? Want affordable custom plastic molding that is cost effective for Suring area? Then give us a call at our toll free number 866-971-7861 or request a quote today!

rotational molding-Suring-Rotational moulding refers to a plastic production method that produces hollow stress-free items. The procedure depends on high temperatures and bi axial rotation to follow up with seamless, one piece items that have varying forms, sizes and colors. This method is also referred to as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The function that makes this different from other plastic manufacturing techniques that no pressure is required. It also has few competitors when it comes down to the creation of large hollow items which are long lasting and inexpensive.There is a variety of items that are produced by this process including large size water tanks, automobile materials, sophisticated shaped medical items, leisure equipment, toys, kayaks, industrial equipment among many others.This is due to the flexibility in regards to style and shapes that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Suring WI 54174, it is a cheaper way of making plastics. This is because apart from the fact that no pressure is required, the cost of mold preparation is low.
  • A wide array of design options.
    There is no limit to the kind of design one may want to create. The rotational molding process therefore allows for the manufacturing of products that have complex shapes for different purposes.
  • Size.
    The process provides room for the manufacturing of products of any size, large or small. As mentioned earlier, it has few competitors when it comes to the making of large tanks at low costs.
  • Low risk.
    Due to the low costs of creating a mould, the process allows for test runs before one can decide whether to do mass production. It therefore minimizes the risk of losing a lot of investment.
  • Durable products.
    The process allows for even coating of the mould with the heated polymer, giving the product a wall with uniform thickness. It also gives the option of double coating for increased durability. Sometimes metal inserts are placed inside the mould to further strengthen the product.
  • Environmentally friendly.
    There is no waste that could have a negative impact on the environment because the products that cannot be used are reground and reused as polymer.

Examples of Products Made by Rotational Molding

Plastic Manufacturing-Suring-Rotocasting is a very versatile process, making it possible to create a variety of products for different industries.

  • Agricultural industry– From cattle feeders, water troughs, spray tanks etc.
  • Automotive industry– Filler tubes, dash boards, arm rests, sun visors, air conditioner duct work etc.
  • Furniture– We have plastic cabinets, chairs and tables made from this form of moulding.

There are numerous Wisconsin plastic products also that have been made for the marine industry, lighting, waste storage and transportation, kayaks etc.

Few Disadvantages – There are nominal disadvantages that have been associated with rotocasting. For instance:

  • – The process is relatively slow when compared to injection moulding.
  • – There is a limitation when it comes to the type of raw material you can use. Only poly based and nylon polymers can be used.
  • – The process comes with an increased cost because the polymer has to be ground to powder form before use.
    These limitations are often overlooked considering that the process is still relatively cheap and offers more in terms of variety when it comes to the finished range of products.

Remember – There are new developments and discoveries that are being made as the world of plastic manufacturing in Suring Wisconsin continuously. For instance, tests are being done to see whether there are other materials that can be used for this process. But so far, rotomoulding offers a good option for the production of a wide range of inexpensive plastic products.

The Rotomolding Process in Detail

This molding system has been used since ancient times for creatingvseverl product lines. Egyptians as an example, utilized rotomoulding methods in the manufacturing of ceramics. The Swiss were also utilizing this rotation type to make hollow chocolate eggs. Some plastic items in the USA were manufactured using this method some time between 1940 and 1950. The procedure has however taken long to take affect because it was looked at to be a very slow-moving process

1. Mould readying.
A fixed amount of polymer in powder form is filled into a hollow mould. The mold is usually made of cast aluminium or sheet steel material. The color needed for the finished item is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic manufacturing.

Pre-heating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mold with the powdered polymer is then locked and inserted within the oven.

2. The heating up and fusion procedure.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The spinning is done slowly, about 20 spins per min. Something that is crucial at this moment is the amount of time the mold will spend within the oven. If it overstays, the product will lose value and durability, creating a poor product. If it is removed from the oven prematurely, the polymer will not have liquefied properly, which generates bubbles in the completed product.

3. Mould cooling.
When the product has completely spent the right amount of time in the oven, it is then removed for cooling. This can be done by air or water, or sometimes a mixture of both which creates a cool mist. When the component cools, it shrinks a little for ease of extraction from the mould. This is one more measure that depends upon a lot on the right timing, since quick cooling reduces the material too quickly, causing warping of the item.

4. The discharging or de-moulding phase.
As soon as the material within te mold has cooled correctly, the molder taking care of the operation can then remove the finalized product from the mould. The function is repeated from the start, providing a series of similar items.

For more information on the different rotational molding options offered for the Suring WI 54174 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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