Hot runner or Cold runner

by Barry

Which is better, cold runner or hot runner?


It really depends upon your annual quantity requirements. If producing more than one million a year then the extra cost of a hot runner can be justified.

The advantages of hot runners are: no runner to regrind which means there are material,labour and energy savings.

Hot runners also reduce cycle time.

The advantage of a cold runner mold is the low price compared with a hot runner mold.


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