47 Conveyor Belt Selection - Analysis Data Sheet Elevator Belt Selection - Suspended Weight Method Material_______________________ Wt./Cu. Ft._________________ Lbs. Max. Lump Size______________ In. % Fines_______________________ Max. Temp_________________ F° Avg. Temp__________________ F° Oil Condition__________________ Abrasion:  Slight  Moderate  Extreme Other Conditons:___________________________________________________________________________________ Total Belt Length_____________Ft. Belt Width__________ In. Capacity_______________ Max. TPH______________ Belt Speed_______________ Indicate whether conveyor is:  Horizontal  Incline  Decline HORIZONTAL: Give Horizontal C-C__________ Ft. INCLINE ( or DECLINE): Give Horizontal C-C__________ Ft. or Contour C-C_________________ Ft. Give Vertical C-C____________ Ft. or Angle of Slope_______________ Ft. Drive: No. of Drive Pulleys_____________________________ Location:  Tall  Return Run  Head Arc of Contact_________________________________° Wrap:  Lagged  Bare Motor Type_______________________________________________________________________________________________________ Type of Starting____________________________________________________________________________________________________ Idlers: Idler Angle___________________________________° Spacing: Carrying_____ Ft._____ In. Return_____ Ft.______In. Diameter: Carrying___________ In. Return_____________In. Type:  High Grade Roller Bearing  Standard Antifriction  Special Type, Describe:__________________________ Loading Point: Type:__________________________________________________ Spacing:__________________Ft.__________________In. Takeup:  Screw  Gravity or Automatic Takeup Travel:____________________Ft.__________________In. Takeup Location_______________________________________________ Actual Takeup Wt.____________________________ Lbs. Splice:  Vulcanized Splice  Mechanical Fastener, Type:______________________________________________________________ Pulley Diameters: Drive______________ In. Drive Snub_________ In. Head______________ In. Head Snub_________ In. Takeup____________ In. Takeup Bend________ In. Tail_______________ In. Tripper____________ In. Loading Conditions: From_____________________________________________ Loading Point____________________________________ Total Vertical Drop___________ Ft. [Made up of________Ft. free fall and________Ft. of vertical height on loading chute at_______ ° angle to horizontal] Discharge:  End  Plow  Tripper, Lift_____Ft.  Other________________________________________ Previous Conveyor Belt: Width_____________In. Fabric_________________ Plies___________________________________________ Quality______________ Top Cover____________In. Pulley Cover___________________________________In. Manufacturer______________________________________ Life____________________________________________ Pattern of Belt Failure:  Ply Separation  Carcass Breaks  Cover Worn Off  Other________________________________________ This chart, when filled in completely, will indicate the proper elevator belt to use in terms of tension. Other factors such as bucket projections, chemical and/or heat exposure, and service conditions will influence the type of belt to select. Drive Info: Elevator Centers___________ Length & Width of Belt______________ Material/Cu. Ft._____________ Type & Size of Buckets: Bucket Capacity___________ Bucket Spacing______________________ No. of Rows________________ 1. Empty Buckets a.________________________________ × ________________________________Lbs. = ___________________________Lbs. (No. of Buckets on Ascending Side) (Weight of Each Bucket) (Weight of Buckets) 2. Load in Buckets a.________________________________ ÷ ________________________________Lbs. = ___________________________Lbs. (Cu. In. Operating Capacity Each Bucket) (Cubic Inches per Cubic Foot) (Cu. Ft. per Bucket) b.________________________________ × ________________________________Lbs. = ___________________________Lbs. (Cu. Ft. per Bucket) (Weight of Material per Cu. Ft.) (Weight of Material per Bucket) b.________________________________ × ________________________________Lbs. = ___________________________Lbs. (Weight of Material per Bucket) (No. of Buckets on Ascending Side) (Weight of Material) 3. Belt Weight a.________________________________ × ________________________________Lbs. = ___________________________Lbs. (No. of Ft. of Belt on Ascending Side) (Weight of Belt per Linear Ft.) (Weight of Belt) 4. Tension a._______________________________________________________________________ = ___________________________Lbs. (Tension) 5. Maximum Tension a.________________________________ × ___________________________________ = ___________________________Lbs. (Tension) (Dig Factor) (Maximum Tension) 6. ___________________________________________________ ÷ ___________________________________ = ___________________________Lbs. (Maximum Tension) (Width of Belt) (Max. Tension per In. of Width) 7. Select belt with next highest rated tension figure. Double check minimum bucket projection allowed for selected belt. 1728 1.25 [ Add Results of Nos. 1, 2c and 3 Above ]