PRODUCTION PROCESS: Job production, Batch production, Mass production


It is the process followed in a plant for
converting semi- finished products or raw materials into finished products or
raw materials into finished products. The art of converting raw 
material into finished goods with application
of different types of tools, equipments, machine tools,
manufacturing set ups and manufacturing processes, is known as production. Generally there are three
basic types of production system
that are given
as under.

1.  Job
2. Batch
3. Mass

Job production comprises of an
operator or group of operators to work upon a single
job and complete it before proceeding to the next similar or
different job. The production requirement in the job production system is
low.  It requires fixed type of layout  for developing same products.

Manufacturing of products (less
in number say 200 to 800) with variety of similar parts with
very little variation
in size and shape is called batch production. Whenever
the production of batch is over,
the same manufacturing facility is used for production of other batch
product or items. The batch may be for once or of periodical type or of
repeated kinds after some irregular interval. Such manufacturing concepts are
leading to GT and FMS
technology. Manufacturing of products in this case requires process
or functional layout.

Where as mass production involves production of large number
of identical products
(say more than 50000) that needs line layout type of plant layout which
is highly rigid type
and involves
automation and huge amount of investment in special purpose machines to
increase the

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