As single stations are the most used type of manufacturing system in
contemporary industry, we shall focus upon their features and operations in
the following sections and sub-sections.
Single-station manufacturing cells can be manual or automated, and can be
used for either processing or assembly; they can be designed for single
model production, batch production, or mixed model production. The most
common type of single-station manufacturing cell is the single-station
manned cell, consisting of one worker tending one machine; it is found
throughout job shop and batch production environments, and is found even in
high production scenarios. Its popularity is owing to:
·
Quick set-up and maintenance requirements
Its relative inexpensiveness.
·
It often represents the lowest cost set-up
per unit produced.
·
Its flexibility in the face of changeovers
from one part style to another ENDLIST.
The single-station manned cell is the most popular type of single-station
manufacturing cell owing to its flexibility, cost-effectiveness, and
relatively quick set-up and maintenance characteristics.
In the single-station manufacturing cell the machine is usually manually or
semioperated. In the manually operated station the operator controls the
machine, loads and unloads the work, and monitors the work cycle either
continuously or for most of the cycle time. It may also require the operator
to use a variety of work tools, such as screwdrivers, wrenches, or portable
powered tools etc., to perform additional processes in the cell. All work
tasks are performed at one station (one location) in the factory. In the
semi-automated station the machine is controlled by a part programme,
leaving the operator free to perform additional tasks, such as loading and
unloading the machine, performing tool maintenance, and controlling
changeovers. Typically operators’ attention would be required at the end of
every work cycle, and not necessarily on a continual basis.
The machines in single-station manufacturing cells are usually manually or
semioperated.
Variations from the standard single-station manufacturing cell include:
·
Where two or more workers are require to
operate the machine fulltime to accomplish the work task.
·
Where the principal production machinery is
augmented by auxiliary machines in
the manufacturing cell. |