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AtoZ Roto Blog: What is Rotational moulding ?
http://blog.atozroto.com/2014/09/what-is-rotational-moulding.html
One stop Source for RotoMoulders. What is Rotational moulding? Rotational moulding process is a very simple process for manufacturing hollow, seamless products of all sizes and shapes. Due to its simple operation and relatively low cost moulds, this process has become very popular for manufacturing hollow items like water storage tanks. Rotational moulding is a Four- Stage process. Polymer powder is loaded in the mould manually and mould is closed. Layer inside the mould. What is Rotational moulding?
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AtoZ Roto Blog: What is Foam Tank?
http://blog.atozroto.com/2015/06/what-is-foam-tank.html
One stop Source for RotoMoulders. What is Foam Tank? 8220;A three or four layer tank in which middle layer is insulated layer or foam layer is called as foam tank.”. Labels: Rotational Moulding Machines. What is Foam Tank? Subscribe to: Post Comments ( Atom ). POST your FREE CLASSIFIED AD HERE! Processing Parameter for Rotational Moulding Machines. Criteria for Selection of Rotational Moulding Machine. Types of Rotational Moulding Machine. What is Rotational moulding? Moulds for Rotational Moulding.
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AtoZ Roto Blog: Processing Parameter for Rotational Moulding Machines
http://blog.atozroto.com/2014/08/processing-parameter-for-rotational.html
One stop Source for RotoMoulders. Processing Parameter for Rotational Moulding Machines. Important parameters of Rotational moulding process are as follows:. The melt temperature is so adjusted to avoid thermal degradation or running off the melt from the mould wall. The duration for which the mould is kept inside the oven is called “The Residence Time”. Rotation Speed and Ratio:. Sr No: Major Minor. 1 6 Rpm : 1 Rpm. 2 4 Rpm : 1 Rpm. 3 3 Rpm : 1 Rpm. Where RPM Stands for “Rotation Per Minute”. Rotational...
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AtoZ Roto Blog: Why Tanks are Black
http://blog.atozroto.com/2015/03/why-tanks-are-black.html
One stop Source for RotoMoulders. Why Tanks are Black. Water Tank in India were introduced with single layer black tanks.Over a period ,as per demand and preference of customers,tank makers started offerings two layer tanks with white “Clean Look”layer from inside. As competition started heating up manufacturer started offering triple layered coloured tanks mainly to satisfy cosmetic desire of customer. The absorbed UV light breaks the molecular chains of polymer material. This leads to shorter chain...
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AtoZ Roto Blog: Types of Rotational Moulding Machine
http://blog.atozroto.com/2014/09/types-of-rotational-moulding-machine.html
One stop Source for RotoMoulders. Types of Rotational Moulding Machine. Mould movement and mould heating are the two most important functions of a rotational moulding machine. From the movement point of view, rotational moulding machines can be divided in two categories:. 1 Single Station Single Arm Bi-axial Type. 2 Three arm Bi-axial Type. 1 Single Station Biaxial machine. In biaxial type machines mould is heated in closed furnace where hot air is used to heat the mould. The Mould is. This type of machi...
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AtoZ Roto Blog: Moulds for Rotational Moulding
http://blog.atozroto.com/2014/09/moulds-for-rotational-moulding.html
One stop Source for RotoMoulders. Moulds for Rotational Moulding. The moulds required for rotational moulding are normally simple because very little pressure is exerted in the process. The mould should be as thin walled and light weight as far as possible. Normally, moulds for rotational moulding are made of the following metals:-. Moulds are generally used when more uniform heat transfer and perfect mould reproduction is necessary. Following are some of the feature of SS moulds. June 11, 2016 at 3:54 AM.
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AtoZ Roto Blog: Advantages of Rotational Moulding
http://blog.atozroto.com/2014/10/advantages-of-rotational-moulding.html
One stop Source for RotoMoulders. Advantages of Rotational Moulding. In this article, we have jot down few of the Advantages of Rotational Moulding Machines over other types of Moulding process. One part construction: Virtually stress free parts totally closed or openings. Metal inserts as integral parts. Economical for short production runs as well as low volume production. Minor undercuts are possible with no draft angle required. Feasible to mould simultaneously identical or dissimilar mould.
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AtoZ Roto Blog: Criteria for Selection of Rotational Moulding Machine
http://blog.atozroto.com/2014/09/criteria-for-selection-of-rotational.html
One stop Source for RotoMoulders. Criteria for Selection of Rotational Moulding Machine. Selection of a rotational moulding machine is based on the following considerations:. Capacity of tank which have max share in market. Monthly expected production in terms of ltr. Range of tanks required in market (Loft, Roof, House hold, Horizontal ). Running cost of production. Machine must be able to produce required volume of tanks which are salable in market. Therefore machine must be :-. Moulds for Rotational M...
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AtoZ Roto Blog: Preparation of powder for Rotational moulding
http://blog.atozroto.com/2014/11/preparation-of-powder-for-rotational.html
One stop Source for RotoMoulders. Preparation of powder for Rotational moulding. The raw material for Rotational Moulding process is LLDPE (Linear Low Density Poly Ethylene) having density from 0.930 to 0.936 gms per cubic centimeter and melt flow index ( MFI) from 2 to 6 gms/ 10 min. Normally original form of raw material is ‘Plain natural colorless Granule’ Therefore it has to be convert in ‘color powder form’ before actual charging for the moulding. Following are the step involved in this processes.
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