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

rotomoulding-Hermon-Rotational moulding pertains to a plastic production solution that generates hollow stress-free products. The procedure relies upon high temperatures and bi axial rotation to follow up with seamless, one piece products that have varying forms, colors and sizes. This method is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The benefit that makes this unique from other plastic manufacturing techniques that no pressure is required. It also has few competitors when it comes down to the production of large size hollow products which are long-lasting and inexpensive.There is a wide variety of items that are created by this process including large size water tanks, automobile products, complex designed medical items, recreation equipment, toys, kayaks, industrialized equipment among many others.This is due to the flexibility in regards to style and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Hermon NY 13652, 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 Products-Hermon-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 Hermon 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 Roto-Molding Process Components

This molding process has been used since ancient times for creatingvseverl product lines. Egyptians as an example, worked with roto-molding techniques in the manufacturing of ceramics. The Swiss were also applying this rotation design to create hollow chocolate eggs. Some plastic products in the USA were developed using this approach some time between 1940 and 1950. Since it was thought of to be a very slow-moving approach, the system has however taken long to become popular

1. Mould preparation.
A predetermined amount of polymer in particle form is packed into a hollow mould. The mold is usually made from cast aluminium or sheet steel component. The color tone needed for the finished goods is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic engineering.

Pre-heating of the oven follows, 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 heat and fusion process.
Once within the oven, the mould is spun on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The spinning is done gradually, about 20 spins per sixty seconds. Something that is vital at this point is the period of time the mold will spend inside the oven. If it stays to long, the component will lose value and durability, making a weak item. If it is extracted from the oven too early, the polymer will not have liquefied properly, which develops bubbles in the completed item.

3. Mold cooling down.
When the product has sufficiently spent the correct 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 reduces somewhat for ease of removal from the mould. This is yet another procedure that relies a lot on the right timing, since rapid cooling decreases the material too quick, causing bending of the item.

4. The discharging or de-molding phase.
As soon as the material within te mould has cooled adequately, the molder taking care of the process can then extract the finished item from the mould. The function is repeated from the start, supplying a number of exact items.

For more information on the different rotational molding options offered for the Hermon NY 13652 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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