Transcription of Dryer Sizing Guide Lines - HDI, Inc.
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Dryer Sizing Guide Lines - HDI, Inc.
C-69 Granada St., Alhambra Bayam n, PR 00957-2328 Tel. (787) 269-3278 Fax (787) 778-0864 Email: Dryer Sizing Guide Lines Hygroscopic Materials: Dryer : Utilize 1 cfm of dry air per pound of material per hour (eg.: 100 lbs/hr = 100 cfm Dryer ). Note that one (1) cfm per pound of material provides system flexibility for various process applications and helps compensate for process variables. In some cases (with dedicated service), a lower ratio of air to material can be used. Always consult your material or dehumidifier supplier for such cases. Also for high altitude locations (above 1,500 ft)( ), consult your dehumidifier supplier, since air is thinner and the application may need more air flow than at sea level. drying HOPPER Sizing : To calculate the size of the drying hopper you will need to know: 1) Material type 2) Material consumption (lbs/hr): If you do not know this, follow this simple steps: a) Weight a complete shot (parts + runner if applicable) from your molding machine, (ounces).
Material Hygro - Drying Drying Bulk Densit ies scopic ? Hours Temp (F) lb/cu. ft. R V R V ABS (Molding) Yes 2 4 190-200 32 42
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