Page 57 - Plastics News June 2026
P. 57
FEATURE NEWS
Boosting Productivity and Protecting Profits in Small and
Mid-Sized Injection Molding Operations
Chirag Thummar While Industry 4.0 platforms, advanced manu-
facturing execution systems (MES) and lights-out
his article explores three cost-effective automation dominate trade show conversations,
process upgrades designed to boost ca- the reality on most shop floors is different. Many
Tpacity utilization, ensure consistent qual- midsized molders already have sufficient press-
es, tooling and floor space to meet
demand, yet they still struggle to
convert capacity into margin. The
gap is rarely equipment; it is execu-
tion.
In practice, the most sustainable
profitability gains come from how
consistently a process is started,
stabilized, monitored and correct-
ed. Variability during startup, un-
measured downtime and reactive
adjustments quietly erode output
ity, and safeguard margins without the need for every day. This article outlines three practical
major capital expenditure process upgrades that small and midsized injec-
tion molders can apply this year to increase us-
As injection molders enter 2026, profitability able capacity, stabilize quality and protect mar-
pressure is no longer cyclical — it is structural. gins, without major capital investment.
Material prices remain volatile; skilled labor is
increasingly difficult to retain; compliance and No. 1: Standardize Mold Startup To Control the
documentation expectations continue to rise; Most Expensive Hour of Production
and customers expect shorter lead times with- In most molding operations, the first hour af-
out corresponding price increases. For small ter startup is the most expensive and the least
and midsized injection molders, these forces controlled. Scrap rates are highest; dimensional
combine to compress margins faster than most variation is common; and technicians are under
productivity gains can offset. For these molders, pressure to reach steady production quickly.
the fastest path to margin protection in 2026 is These early losses are often accepted as nor-
not new equipment but disciplined execution, in- mal, but they represent a significant and avoid-
cluding standardized startups, visible downtime able margin drain. The underlying issue is not
and root-cause-driven process control that con- operator capability. It is the absence of a stand-
verts existing capacity into profit. ardized startup method.
June 2026 PLASTICS NEWS 59
