Hot runner or Cold runner

by Barry
(UK)

Which is better, cold runner or hot runner?

Barry,

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.

Admin.

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