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Register to Remove Trial Watermark!! 5.3 Production Capacity The project has been designed mainly for the production of containers. These containers are manufactured in a wide range of sizes starting from 500 litres to few thousand litres capacity. Smaller containers could also be manufactured. In the project, the provision has been made for moulds ranging from 500 litres to 3000 litres capacity. Normally, the production capacity of rotational moulding is defined in terms of litres of containers moulded in a month. The capacity could vary depending on the number of shift of operations i.e., total working hours per day. In the feasibility analysis, working of single shift of 8 hours, 25 days a month has been taken into consideration and the capacity calculation have been made on this basis. The production capacity has been calculated on the basis of 80% utilization of the capacity of the machine installed. The capacity could be increased by extending the working hours. Rotational moulding machine is the major machine and the capacity of the unit would depend on the size and specifications of the roto moulding machine. In the context of present feasibility analysis, a medium capacity roto moulding has been recommended. This machine has a capacity of moulding around 10 lacs litres volume of containers per month on single shift working. Accordingly, the installed capacity of the unit would be as under: Production capacity - 120 lacs litres of overhead water Containers in various sizes 5.4 Details and specification of main machine and equipment A). Three Arm Carousel Rotational Moulding Machine Turret: A heavy duty turret designed to carry each of the arms and housing the six independent variable speed A.C. drives. The indexing motor is located at the base of the turret provides controlled indexing of motion for arm without jerks. Arms: Three arms of robust construction with heavy-duty bearing housing having duty taper roller bearings for supporting the heaviest moulds. Drives to each axis of rotation are transmitted through chain sprocket mechanism and bevel gears A.C variable speed drives. Heating Chamber: A moveable double skin Stainless Steel Construction heating having 150 mm thickness with insulation material in between two layers. Heating is achieved by burner with automatic control suitable to run on oil/gas or both. (Electrical heating is also possible). Heating chamber is equipped with high velocity re-circulation fans for fast heat transfer. Round corner chamber gives air guidance and relatively economical energy consumption. Heating Chamber doors are driven by a direct drive A.C. Motor with Soft & Stop and are equipped with pneumatic clamps to minimize heat loss. 28 Register eDocPrinter PDF Pro Online Now!!PDF Image | ANALYSIS OF ROTO-MOULDED PLASTIC CONTAINERS
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