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I 2.4 - GLAZING INNER SURFACES
On certain highly demanding markets, compliance with ever-more stringent aesthetic, functional and hygiene standards is expected to last throughout the working life of the sanitarvware piece. Glazing of the inner parts of a WC bowl are no exception; this can be done manually by filling the bowl w ith glaze and then expelling it through the outlet by turning the bowl over, or with the aid ol more sophisticated automatic systems: Siphon glazer; Coasting*
12.4.1 Siphon glazer This system allows for complete glazing of" the bowl, the rim (open rims only), the siphon chamber and outlet section. The Gaiotto (Inner*) siphon glazer consists of: Robotized operator; I laudiing system; Glaze delivery assembly (pump, tank and circuit). The robot end-hook hitches on the bowl and glaze is applied all along the top of the rim. The excess glaze flows down the sides of the bowl, coaling them. A laser-guided position detector on the robot arm ensures that movements are carried out in the required sequence; the robot replaces the jot-type siphon glazing tool. The bowl is then rotated to a vertical position via a rotary manipulating unit : called 'Stargate') and any excess glaze run-off is collected in a special tank at the siphon outlet before being re-used to minimise consumption and waste. During this phase, the rim glazing tool is returned to the robot to help minimise the overall process time.
less glaze is required thanks to excess glaze recycling; excellent glazing repeatability; outstanding flexibility thanks to special adjustment devices that allow for adaptation to the various model types; the system is less labour-intensive.
Date: 2015-04-20; view: 1553
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