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

rotational molding-Russell-Rotational molding refers to a plastic production solution that generates hollow stress-free items. The method relies upon high temperatures and bi axial rotation to come up with seamless, one piece items that have a wide range of designs, sizes and colors. This method is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The attribute that makes this unique from other plastic manufacturing processes because no pressure is needed. It also has few competitors when it comes to the creation of sizable hollow items which are resilient and inexpensive.There is a wide range of products that are produced by this process including large size water tanks, automobile items, intricate designed medical items, recreation equipment, toys, kayaks, commercial equipment among many others.This is because of the versatility in regards to design and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Russell MN 56169, 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 Molding-Russell-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 Minnesota 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 Russell Minnesota 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 Method Components

This molding process has been used since ancient times for creatingvseverl product lines. Egyptians for instance, applied rotational molding procedures in the of ceramics. The Swiss were also working with this rotation type to make hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this technique some time between 1940 and 1950. The system has however taken very long to take affect because it was looked at to be a somewhat slow process

1. Mould readying.
A predetermined quantity of polymer in grain form is filled into a hollow mold. The mould is usually composeded of cast aluminium or sheet steel substance. The color tone chosen for the end item is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic assembly.

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

2. The heating up and fusion procedure.
Once placed into the oven, the mould is spun on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The spinning is done slowly, about 20 revolutions per min. The main thing that is crucial at this point is the amount of time the mold will spend inside the oven. If it stays to long, the component will lose value and strength, creating a poor product. If it is taken out from the oven prematurely, the polymer will not have flowed correctly, which creates bubbles in the finished product.

3. Mould cooling down.
When the product has sufficiently spent the right amount of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the component cools, it shrinks slightly for ease of removal from the mould. This is one more measure that depends a lot on the ideal timing, since rapid cooling shrinks the material too quick, causing bending of the material.

4. The offloading or de-molding phase.
Once the product inside te mold has cooled adequately, the molder taking care of the process can then take out the finished product from the mold. The function is repeated from the start, supplying a number of exact products.

For more information on the different rotational rotomolding options offered for the Russell MN 56169 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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