Hot tip thermal expansion

By H430
Published: March 22nd, 2011

Where should the tip hieght sit in relation to the gate on a hot runner mold?
Should the tip pertrude throught the gate into the part or sit flush with the gate?
This is a 128 cavity hot runner tool that uses hot tips. The tips are in drops of 4 with half of the body of the tip screwed in to a manifold pod.
Is the any manufacturers that have a particuler preference?

Hi H430, The tip should not

Hi H430,

The tip should not protrude into yhe cavity in HOT condition. The hot runner supplier should provide you this information once you purchase a system from them.
Thanks

Jojo

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