preform

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preform

[prē′fȯrm]
(engineering)
A preshaped fibrous reinforcement.
A compact mass of premixed plastic material that has been prepared for convenient handling and control of uniformity during the mold loading process.
(engineering acoustics)
The small slab of record stock material that is loaded into a press to be formed into a disk recording. Also known as biscuit (deprecated usage).
References in periodicals archive ?
In the company's ASB series machines, the second station is used for preform conditioning--adjusting the temperature profile and/or shape of the preform before blowing in the third station.
The annual production capacity at the Setif facility was two billion preforms in 2014.
Ultimately the company has a goal of producing 20m kilometers per year of optical fibre preforms at its Roanoke, Virginia facility.
The first stage molds preforms; the second controls their heat (or co-injects a second material); the third blows preforms into bottles; and the fourth unloads.
Preform transfer to blowing takes place inside one machine.
Esterfjarm's 18.5g preform weighing just a little more is a cost effective solution for 500m1 bottles of sparkling and carbonated products.
The manufacture of PET preforms is becoming increasingly challenging as demand increases and more rPET resin blends and performance additives are used.
In this study, the collected mechanical property data and estimated costs to manufacture generic short-fiber preforms were used to calculate the relative values (cost per property) of the three fibers used to make the FRM test castings.
A variable speed cutter is located in the head of the machine, and the extrudate is cut at the die face so variations in die swell do not affect the volumetric accuracy of the preforms.
"When our Enka, NC facility started producing injection molded preforms in 1985 we had only two preform production lines and one truck, so forklift traffic in the preform production area was not a problem.
A CHESHIREcompany has won an order worth over pounds 24,500 for carbon fibre preforms from one of the world's largest manufacturers of carbon-basedmaterials.
Request for quotations : bericap 38 mm polyethylene terephthalate preforms