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

rotomolding-Pike-Rotational moulding refers to a plastic production method that generates hollow stress-free product lines. The technique utilizes high temperatures and bi axial rotation to come up with seamless, one piece products that have different forms, colors and sizes. This procedure is also known as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The component that makes this different from other plastic manufacturing techniques because no pressure is involved. It also has few contenders when it comes to the production of sizable hollow items which are durable and inexpensive.There is a wide range of products that are created by this process including large size water tanks, automobile products, complex molded medical products, recreation equipment, toys, kayaks, industrial equipment among many others.This is because of the versatility in terms of style and forms that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Pike NH 3780, 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 moulding 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

Custom Molded-Pike-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 New Hampshire 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 Pike New Hampshire 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 Rotomoulding Process Components

This molding process has been used since earlier times for creatingvseverl products. Egyptians as an example, utilized roto-molding solutions in the producing of ceramics. The Swiss were also making use of this rotation approach to create hollow chocolate eggs. Some plastic products in the USA were manufactured using this approach some time between 1940 and 1950. Considering that it was regarded to be a very slow procedure, the system has however taken long to catch on

1. Mould readying.
A fixed amount of polymer in particle form is loaded into a hollow mould. The mould is usually comprised of cast aluminium or sheet steel component. The color intended for the final goods is pre compounded into the polymer. The most commonly 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 may be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mold with the powdered polymer is then locked and installed within the oven.

2. The heating up and fusion phase.
Once placed into the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The rotation is done slowly, about 20 revolutions per sixty seconds. Something that is essential at this point is the period of time the mould will spend inside the oven. If it stays to long, the component will lose value and strength, making a poor product. If it is extracted from the oven prematurely, the polymer will not have melted properly, which develops bubbles in the completed product line.

3. Mold cooling down.
When the component has completely spent the correct amount of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which a cool mist. When the material cools, it shrinks slightly for ease of removal from the mold. This is yet another step that depends a lot on the ideal timing, since quick cooling reduces the material too quickly, causing bending of the material.

4. The removing or de-molding phase.
When the component inside te mold has cooled adequately, the person handling the process can then remove the finalized product from the mold. The technique is repeated from the start, making a series of identical products.

For more information on the different rotational rotomolding options offered for the Pike NH 3780 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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