die gap

die gap

[′dī ‚gap]
(engineering)
In plastics and metals forming, the distance between the two opposing metal faces forming the opening of a die.
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References in periodicals archive ?
A 50 mm Placo NLM extruder with an annular blown film die, Placo SG-16-100(125)F22 (an outer diameter of 100 mm, a die gap at exit of 1.
The plastic that is exposed to air will burn (carbonize) during start-up, but little oxygen will get into the hard-to-reach die gap.
In the extrusion stage, the parison shape is determined by the die geometry, die gap programming, and flow rate.
The large Sleeves are being used with Inoex's first commercial Maxflexx adjustable forming chambers, which redirect melt from the existing die gap into different pipe diameters.
We also pay attention to separate effects of die gap on diffusive surface transport and shear rate.
But if you must go cold, leave the head and screw full of resin to block air entry and use the parison programmer to close the die gap.
HDPE composites having between 5% and 20% (by weight) long fiber content were extruded at different processing conditions (extrusion speed, die gap, hang time).
Instead of expensive and fixed-size flexible die rings, Uniloy's new Thickness Compensation System (TCS) uses a different approach to modify dynamically the die gap in the final section of the head, according to Marco Solinas, Uniloy product manager for industrial applications.
The coordinate y is measured from the die gap centerline.
In 2002, Brampton Engineering introduced a segmented die based not on heating the lip, but on deforming it to alter the die gap.
Hence, to eliminate tearing one must always thin the die gap.
developed the new technology, which uses sliders on roller bearings to reduce friction and the amount of force needed to adjust the die gap.