S.Seshadri Nagarajan
Manager- Application Engineering
Plastics Processing Machinery
Marketing, Larsen and Toubro
Limited -LTM BU
Increasing demands on moulding
in terms of meeting the technical
and commercial targets is pushing
the injection moulding process to its
performance limits. There is a definite
need for getting the best output from
every machine put into use, every
granule dropped into the hopper, every
unit of power from the grid and
every man-hour that is paid by the
employer. Bettering the efficiency has
become the prerequisite of every moulding
shop manager.
There is a compelling need for detecting
the problems as when it crops up, as the delays would probably cost
sometimes the business itself. Against
the backdrop of this scenario, the various
influencing factors of shop floor
efficiency and the ways to better the
output from the variety of input resources
pumped into the production
stream are analysed here.
Efficiency generically evaluates
the output against the input. In the
modern generation, this does not pertain
to only the quantity of production.
The efficiency of the moulding
shop floor is also evaluated based on
the following indicators.
* Productivity per machine hour
* Rejection as percentage of turn
over
* Material utilization efficiency
* Energy efficiency
* Downtime as a percentage of total
available machine hours
* Manpower efficiency
....contd.
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