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Heaters, infrared thermoforming

Radiant heaters are nonconductive sources that work exceptionally well in plastic thermoforming and bending and welding applications by replasticizing the polymer before the final production processes. The more conamonly accepted industry styles of radiant heaters are ceramic infrared units. Quartz-faced and black body... [Pg.254]

Heating of PLA sheet for thermoforming is generally achieved by infrared (IR) radiation from heater elements, although convection and conductive heating may also be used. Because each polymer has an optimum IR absorbance... [Pg.208]

Table 16.1 gives comparative ratings of the infrared heaters that are most commonly used in thermoforming. [Pg.362]

FIGURE 10.12 Typical pressure thermoforming process, (a) The clamped sheet is heated to the processing temperature by means of infrared heaters, (b) The heated sheet is removed from the radiation heating source and placed into position for forming, (c) Vacuum is applied to the underside of the sheet or air pressure is applied to the top side of the sheet, forcing the heated sheet into the mold. [Pg.323]

See other pages where Heaters, infrared thermoforming is mentioned: [Pg.451]    [Pg.157]    [Pg.302]    [Pg.308]    [Pg.545]    [Pg.545]    [Pg.132]    [Pg.2231]    [Pg.8465]    [Pg.8469]    [Pg.358]    [Pg.361]    [Pg.370]    [Pg.15]    [Pg.20]    [Pg.790]   


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