platen

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platen

the worktable of a machine tool, esp one that is slotted to enable T-bolts to be used

platen

[′plat·ən]
(engineering)
A flat plate against which something rests or is pressed.
The rubber-covered roller of a typewriter against which paper is pressed when struck by the typebars.
(mechanical engineering)
A flat surface for exchanging heat in a boiler or heat exchanger which may have extended heat transfer surfaces.

platen

A long, thin cylinder in a typewriter or printer that guides the paper through it and serves as a backstop for the printing mechanism to bang into. It is typically made of a hard rubber or rubber-like material. See carriage and typewriter.
References in periodicals archive ?
Segmented platen heads are designed with fingers or segments in the head designed to fire only specific parts of the platen down at one time.
HSE has now commenced on-site inspections of hand-fed platen presses in the UK and so users of this high-risk machinery need to ensure that their machines meet the required safety standards.
The company says that both the OEM and Econoline rotary platens are available in either servo or hydraulic versions, and both are under patent-application review.
Originally the cockpits, each mounted on a platen 1540mm long x 890mm wide and 660mm high and weighing 100kgs including the platen, were discharged from the trailer in sequence and transported by a chain-to-chain live roller conveyor to a drop section, which raised the platen from the basement to a ground floor Cockpit fit station at the side of the production line.
The vacuum chamber, encompassing the entire heating platen and core lifter brackets (when equipped for multiple plate molds) is capable of a draw down time of within a few seconds to approximately 18 to 25 of mbar pressure.
The HPM Division of Taylor's Industrial Services has a rotating, movable platen option for its Freedom Series injection molding machines that can reduce cycle time for insert molding, multicolor, coinjection and other processing by 30% to 35% and improve productivity by up to 133%, says HPM.
horizontal "T" slots that run across the face of the platens.
When an alignment problem stems from the mold parting line, the platens, or the clamping mechanism and tiebars, the results can be unnecessary machine wear, mold damage, broken tiebars, mold flash, and scrap parts.
The Genesis rubber sample preparation press incorporates a proprietary platen design (patent pending) that is said to provide more precise temperature uniformity across the platen surface.
Optional features include multiple platens, bump/ vent cycles, stainless steel platens, surface wear plates, mold shuttles and work tables.