Page 73 - Plastics News Issue October 2025
P. 73
IN THE NEWS
ble in modern hot runner designs, delivering the exploring advanced design options with moulds
ability to adjust heating to complex design re- and dies which would not be practical with cold
quirements in moulds and dies. This control is in runners. This elasticity enables manufacturers to
itself a contributor of the efficiency of injection become innovative, respond to tailored needs
moulding and plastic part accuracy to produce and enhance their competitive status.
injection moulding parts that meet demanding
tolerance levels without their rejection which is Mould Maintenance Services: Keeping Sys-
costly. tems Efficient
Energy-Saving Moulding Practices There is no technology that functions at an op-
timum level without them being attended to on
The plastics industry has been charged with us- a regular basis. Mould maintenance services are
ing energy-intensive business practices. It can paramount as far as keeping hot runner systems
however be energy saving through the introduc- in optimum performance is concerned. The pre-
tion of the hot runner technology. Hot runners ventive maintenance will make stationary parts
also use energy more efficiently because they such as heating elements, nozzles, and manifolds
direct heat into the plastic to where it is more to be in a good state, which will prevent collision
needed unlike cold runners that consume ener- with breakdowns that may cost the company a
gy to regrind or recycle extra material. lot of money due to temporary stoppage.
More so, being paired with an optimized set There has also been an increased number of
of injection moulding machine specifications, outsourced mould maintenance, where special-
hot runner systems reduce the total amount of ists come in to do inspection, mould cleaning
power used per cycle. Not only will this kind of and replacement of components.
integration save utility costs but it will also con-
tribute to the effort of making the industry more This will give superior reliability and manufactur-
sustainable in its plastics production. ers are not limited to optimize the efficiency of
injection moulding.
Benefits of Hot Runners in Plastics: A Broader
Perspective Injection Moulding Machine Specifications:
Aligning with Hot Runner Systems
Hot runner use in plastics does offer more ad-
vantages than reduced waste and faster cycles. To obtain the optimum results with hot runners,
Those are more efficient construction of raw machine requirements need to be specified.
materials, less labor is used to handle runners, Various factors including clamp force, the size
costs of reprocessing are minimized and facto- of shot and injection speed among other factors
ry cleanliness is enhanced. When a company is are important in order to facilitate smooth op-
manufacturing in its millions of products, these erations. Failure to match machine capabilities
profits lead to great profitability. with the requirements of a hot runner may result
in inefficient processes or plastic component ac-
Moreover, hot runners also allow delving into curacy.
October 2025 PLASTICS NEWS 73
