[ Graphics OFF ]This page require et Apple QuickTime Player 6™ to watch the 360 views [ Download ]
HOME ABOUT US TOUR STAFF LINKS CONTACT US SITE MAP
WHEAT ANALYSIS SYSTEM REGIONAL QUALITY DATA PUROINDOLINE PUBLICATIONS VARIETY QUALITY SCORES BREEDERS LOGIN PNW WQC INFO
Wheat Analysis System
MODIFIED QUADRUMAT SR. MILLING PROCEDURE
Abbreviations Methods Interpretation of Data References
 
Figure 2. Semi-micro experimental mill flow with the roll corrugations per inch. The break rolls have corrugation spirals of 1.25, 1.75, 1.88, and 1.25 inch/ft. in progressive order, and the middling reduction roll spirals are 1.25, 1.25, 1.25, and frosted smooth. Roll spacings for first, second and third break are 0.035, 0.0035, and 0.002 inch respectively. The middling rolls are set at 0.0015, 0.0020 and 0.0015 inch respectively.
BREAK UNIT
REDUCTION UNIT
BRABENDER QUADRUMAT JR. WITH
QUADRUMAT SR. BREAK ROLLS
BRABENDER QUADRUMAT SR.
REDUCTION UNI
ROLLS:
    Diameters: 2.8 inches
    Speed:
      Fast rolls: 1200 RPM
      Slow rolls: 560 RPM
    Diferential: 2.14 to 1
SIFTING SCHEDULE:
    Break Stock:
      Bran: Removed after 1 min.
      Middlings: Removed after an additional 2 min. (3 min. total)
    Reduction Stock: 3 min.
TEMPER:
    Soft wheats 13%
    Hard wheats 14.5%
SAMPLE SIZE:
    100-500 grams tempered wheat (held constant within each comparison group)
SIFTERS:
    8 and 12 inch Tyler testing sieves on strand sifters.
OUTPUT:
    5-7 samples per hour
USDA Nondiscrimination Statement | Statements and Disclaimers | WSU Copyright | WSU Disclaimer and Freedom of Information Statement
1997 - 2010 USDA/ARS Western Wheat Quality Laboratory - Webmaster