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

rotocasting-Eagle Lake-Rotational moulding refers to a plastic production procedure that creates hollow stress-free items. The process depends on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have varying shapes, sizes and colors. This method is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The function that makes this unique from other plastic manufacturing processes because no pressure is involved. It also has few rivals when it comes to the creation of sizable hollow items which are durable and inexpensive.There is a wide variety of products that are generated by this process including large size water tanks, automobile products, complex designed medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to the flexibility in regards to style and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Eagle Lake TX 77434, 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 rotocasting 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-Eagle Lake-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 Texas 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 Eagle Lake Texas 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 in Detail

This moulding operation has been used since earlier times for creatingvseverl products. Egyptians for instance, worked with roto-molding techniques in the making of ceramics. The Swiss were also applying this rotation method to create hollow chocolate eggs. Some plastic products in the USA were manufactured using this procedure some time between 1940 and 1950. The process has however taken very long to catch on because it was thought of as being a moderately slow-moving process

1. Mould readying.
A fixed volume of polymer in grain form is loaded into a hollow mold. The mould is usually built from cast aluminium or sheet steel component. The color tone intended for the end 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 design of plastic production.

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 mould with the powdered polymer is then locked and inserted within the oven.

2. The heating and fusion step.
Once inside the oven, the mould is turned on two axis so the powdered polymer melts from the heat and overlays the inside if the mould. The rotation is done gradually, about 20 revolutions per min. One thing that is crucial at this point is the period of time the mould will spend within the oven. If it overstays, the material will lose value and durability, making a faulty product. If it is extracted from the oven too early, the polymer will not have liquefied properly, which produces bubbles in the finished product line.

3. Mold cooling down.
When the material has sufficiently spent the enough 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 shrinks somewhat for ease of extraction from the mould. This is an additional procedure that depends upon a lot on the ideal timing, since rapid cooling shrinks the material too fast, causing bending of the product.

4. The discharging or de-molding step.
Once the material inside te mould has cooled correctly, the person taking care of the operation can then take out the finished product from the mould. The technique is repeated from the beginning, giving a number of similar product lines.

For more information on the different rotational rotomolding options offered for the Eagle Lake TX 77434 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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