Friday, April 8, 2011

MOST exercise conveyor belt packaging segregation

Primary Sort

The Maynard Operations Sequence Technique (MOST) is a flexible measurement system that establishes normative times for the component tasks of manual work. MOST is widely regarded as a very effective technique for assessing non-uniform work flows.

The basic operations for each worker consist of reaching for a package, looking at the the package to determine the outbound location, and finally placing the package on one of the seven belts. These operations were studied and a MOST analysis of these operations was used to determine the standard times for these operations. The chart below lists the results of this study.



Outgoing belt location

MOST analysis

Normal time
(minutes)

Standard time
(minutes)

Front low

A1BOG3A1B6P6A0=17 TMU

0.0102

0.01224

Front high

A1BOG3A1B6P6A0=11 TMU

0.0066

0.00792

Back low

A1BOG3A1B6P6A3=22 TMU

0.0132

0.01584

Back middle
(2 belts)

2* (A1BOG3A1B6P6A3)=32 TMU

0.0096

0.01152

Back high

A1BOG3A1B6P6A3=16 TMU

0.0192

0.02304



secondary sort

The secondary sorts consist of low volume direct belts in a four way split manned by a single worker. The operator reaches for and grabs the package, reads the label to determine outbound location, and places it on one of the four belts. This secondary sort also has an additional element in which the operator will let objects pass that are not meant to go to the outbound doors located on their belts. The results of the MOST analysis on this operation are listed below.



Outgoing belt location

MOST analysis

Normal time
(minutes)

Standard time
(minutes)

Right front

A1BOG3A1B6P6A0=11 TMU

0.0066

0.00792

Right rear

A1BOG3A1B6P6A3=16 TMU

0.0096

0.01152

Left front

A1BOG3A1B6P6A0=11 TMU

0.0066

0.00792

Left rear

A1BOG3A1B6P6A3=16 TMU

0.0096

0.01152

Let pass

7.3 TMU

0.00438

0.00526

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