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

rotomoulding-Klingerstown-Rotational moulding refers to a plastic production technique that creates hollow stress-free items. The function uses high temperatures and bi axial rotation to come up with seamless, one piece items that have a variety of shapes, colors and sizes. This technique is also referred to as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The component that makes this different from other plastic manufacturing processes that no pressure is needed. It also has few contenders when it comes to the production of large size hollow products which are resilient and inexpensive.There is a wide range of items that are created by this process including big water tanks, automobile products, intricate molded medical items, recreation equipment, toys, kayaks, industrialized equipment among many others.This is due to the versatility in terms of type and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Klingerstown PA 17941, 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

Custom Molded-Klingerstown-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 Pennsylvania 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 Klingerstown Pennsylvania 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 Procedure Components

This molding method has been used since earlier times for creatingvseverl product lines. Egyptians for instance, applied rotomoulding techniques in the producing of ceramics. The Swiss were also using this rotation format to generate hollow chocolate eggs. Some plastic product lines in the USA were created utilizing this method some time between 1940 and 1950. The technique has however taken long to catch on because it was thought of to be a moderately slow-moving process

1. Mould prep work.
A predetermined amount of polymer in particle form is filled into a hollow mold. The mold is usually constructed from cast aluminium or sheet steel component. The coloring desired for the end goods 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 style of plastic engineering.

Preheating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mould with the powdered polymer is then secured and put within the oven.

2. The heat and fusion process.
Once inside the oven, the mold is revolved on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The turning is done slowly and gradually, about 20 spins per minute. One thing that is crucial at this moment is the amount of time the mould will spend within the oven. If it stays to long, the product will lose stability and durability, creating a poor item. If it is taken out from the oven too early, the polymer will not have melted properly, which develops bubbles in the completed product.

3. Mould cooling.
When the product has sufficiently spent the correct 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 generates a cool mist. When the component cools, it reduces somewhat for ease of removal from the mold. This is one more measure that relies a lot on the correct timing, since rapid cooling decreases the material too fast, causing bending of the item.

4. The removing or de-molding step.
When the product inside te mold has cooled effectively, the molder handling the operation can then remove the finalized item from the mold. The procedure is repeated from the beginning, supplying a series of similar items.

For more information on the different rotational molding options offered for the Klingerstown PA 17941 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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