Line load balancing

Load Balancing: Machine Utilization Variance Revealing Hidden Capacity

Multi-machine line with unbalanced work distribution causing some machines overloaded while others underutilized.

Focus AreaAutomotive Manufacturing
Assets10 assembly stations
Operating Shifts2 per day

Unbalanced Machine Loads

Machine A overloaded (70% util), Machine B moderate (55%), Machine C underutilized (30%). Work was distributed arbitrarily by procedure rather than by machine capacity.

What Became Visible

Machine utilization analysis revealed significant imbalance. Bottleneck was overloaded Machine A. Available capacity on Machines B-C was unused. Work redistribution was possible.

Work Rebalancing

Work reassigned from Machine A to underutilized Machines B-C, balancing loads. Machine A capacity freed; overall throughput increased without new equipment.

How it worked: Load balancing analysis revealed available capacity. Procedure redesign redistributed work to available capacity.

Results

Machine utilization convergence
40% → 55%

all machines toward balanced level

Overall line throughput
+12%

from balanced loading

Machine A burden
Reduced

enabling sustainability

Capacity utilized
₹28 lakhs

annual throughput gain

Key Insight

Load imbalance indicates available capacity. Rebalancing work toward available capacity improves throughput without equipment investment.

Operational Reality

The facility had unused capacity on some machines. Rebalancing revealed and activated that capacity.

Related topicsLine load balancingmachine utilization optimizationload distributionprocess balancing

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