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

rotomoulding-Waterloo-Rotational molding refers to a plastic production procedure that generates hollow stress-free items. The method depends on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have a wide range of shapes, sizes and colors. This method is also known as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The attribute that makes this different from other plastic manufacturing procedures that no pressure is required. It also has few rivals when it comes to the production of large hollow products which are resilient and inexpensive.There is a variety of items that are developed by this process including big water tanks, automobile products, sophisticated designed medical items, leisure equipment, toys, canoes, commercial equipment among many others.This is because of the versatility in terms of design and shapes that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Waterloo NY 13165, 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 rotomoulding 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 Molding-Waterloo-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 York 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 Waterloo New York 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 Components

This molding procedure has been used since ancient times for creatingvseverl items. Egyptians for example, worked with rotational molding methods in the making of ceramics. The Swiss were also employing this rotation type to make hollow chocolate eggs. Some plastic items in the USA were made utilizing this technique some time between 1940 and 1950. The process has however taken long to catch on because it was considered as being a somewhat slow-moving process

1. Mold prep work.
A fixed amount of polymer in particle form is packed into a hollow mold. The mold is usually comprised of cast aluminium or sheet steel substance. The color tone chosen 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 design of plastic manufacturing.

Pre-heating of the oven follows, 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 secured and positioned inside the oven.

2. The heat and fusion phase.
Once inside the oven, the mold is spun on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The turning is done gradually, about 20 revolutions per sixty seconds. Something that is critical at this moment is the amount of time the mould will spend inside the oven. If it stays to long, the component will lose value and durability, generating a weak item. If it is extracted from the oven too early, the polymer will not have flowed properly, which produces bubbles in the finished product line.

3. Mould cooling.
When the component has sufficiently 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 reduces slightly for ease of removal from the mold. This is an additional step that depends a lot on the correct timing, since rapid cooling shrinks the material too rapidly, causing bending of the product.

4. The discharging or de-molding step.
When the component within te mould has cooled successfully, the molder handling the procedure can then take out the finalized product from the mold. The procedure is repeated from the beginning, supplying a series of exact product lines.

For more information on the different rotational molding options offered for the Waterloo NY 13165 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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