belt feeder 9

7/27/2019 Belt Feeder 9

1/5

10/10/2013

10:49 PMLOEFFLER ENGINEERING GROUP

20511 Highland Lake Drive, Lago Vista, Texas 78645

512-267-8700

ESTIMATOR/ENGINEER Frank Loeffler

DATECLIENT

PROJECT

PROJECT NUMBER

FEEDER NUMBER

LOAD CASE Full

DISC FILE NAME h:/

REVISION 0 FEEDER PROFILE

VOLUMETRIC DATA

BELT WIDTH INCHESCROSS SECTION

AREA FT 2BELT SPEED FT/MIN

SKBD SPCG

INCHESMAT'L DEPTH

CAPACITY (TPH)

MATERIAL 24 0.500 0 12 6

MATERIAL DENSITY (PCF) 50 30 1.125 0 18 9

ANGLE REPOSE (DEG) 37 36 2.000 0 24 12

ANGLE SURCHARGE (DEG) 27 42 3.125 0 30 15

MAXIMUM LUMP SIZE 48 6.000 0 36 24

MOISTURE CONTENT (%) 54 6.125 0 42 21

TROUGH ANGLE (DEG) 20 60 8.000 0 48 24

BELT WIDTH (INCHES) 66 10.125 0 54 27

BELT SPEED (FPM) 72 12.500 0 60 30

SHEAR FACTOR 0.75 84 18.000 0 72 3696 24.500 0 84 42

108 32.000 0 96 48

NOTE: 1. Shaded areas are required input data. The above table shows the required belt speed based on capacity, density &

2. Values shown in shaded areas are the most cross sectional area. The values shown are NOT recommended belt speeds.

common input. These values should be

overidden if actual requirements differ. Select the belt width and speed.

3. Values shown in non-shaded areas are Typical belt speeds range from 50 to 150 fpm.

program calculated, or standard values

but they may also be overidden. The maximum lump size should be 1/5 skirtboard spacing or 1/3 the material depth.

The above table is based on using picking and feeder idlers.

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10/10/2013

10:49 PMLOEFFLER ENGINEERING GROUP

20511 Highland Lake Drive, Lago Vista, Texas 78645

512-267-8700

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LOEFFLER ENGINEERING GROUP

BELT FEEDER DESIGN SOFTWARE

VERSION 1.0

ESTIMATOR/ENGINEER Frank Loeffler TYPICAL VALVES OF Cs

DATE 0 BAUXITE = .19 GRAVEL =.12

CLIENT 0 CEMENT = .21 IRON ORE = .28

PROJECT 0 COAL = .08 LIMESTONE = .13

PROJECT NUMBER 0 COKE = .05 WOOD CHIPS = .01

FEEDER NUMBER 0 GRAIN = .04

PHYSICAL DATA GEOMETRY DATA

HORIZONTAL FEEDER LENGTH (FEET) TAIL

FEEDER NET LIFT (FEET) TAKE UP LOCATION X

FEEDER LENGTH ALONG BELT (FEET) 0.0DESIGN TEMPERATURE (DEG -F) 32 SCREW GRAVITY

BELT SAG (%) 2 TAKE UP TYPE X

FEEDER SLOPE (DEGREES) #DIV/0! DRIVE WRAP ANGLE 180 180

DRIVE WRAP FACTOR CW 0.8 0.5

ACCESSORIES

SKIRTBOARD LENGTH (ONE SIDE) FT. 0.0

DEPTH OF MAT'L ON SKIRTBOARD (INCH) #N/A

NUMBER OF BELT CLEANERS 2

NUMBER OF V-PLOWS 1

NUMBER OF PULLEYS 2 MISCELLANEOUS FRICTIONSDRIVE LOSS MULTIPLIER 1.08 BELT CLEANER FRICTION (#/IN) 5

INCOMING MAT'L VELOCITY (FPM) 0 PLOW CLEANER FRICTION (#/IN) 2

MAT'L ON SKIRTS FACTOR Cs 0.13

SHEAR PLANE

LENGTH OF OPENING (FEET) NOTE: 1 #N/A NOTES:

WIDTH OF OPENING (FEET) NOTES:1& 2 #N/A 1. Input Actual slot Dimensions.

LOAD ON SHEAR PLANE (LBS) #N/A 2. For tapered slots use the maximum width.

SHEAR FORCE (LBS) #N/A 3. Additional Ky & Kx for headload weight on shesr plane

HEADLOAD FRICTION (LBS) NOTE: 3 #N/A Kx only considers bearing (.00068) not idler seal.

Kt only applied to Kx term.

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VERSION 1.0


DATE 0

CLIENT 0PROJECT 0

PROJECT NUMBER 0

FEEDER NUMBER 0

IDLER DATA

WEIGHT OF MATERIAL (#/FT) #DIV/0!

WEIGHT OF BELT (#/FT) #N/A

WT .MAT'L + WT. BELT (#/FT) #DIV/0!

IDLER ROLL DIAMETER (IN) 6

CEMA IDLER SERIES C

TROUGHING IDLER SPEG (FT) 1 STANDARD LOAD RATINGS (35 Degree Trough)

RETURN IDLER SPEG (FT) 10 BELT CEMA CEMA CEMA CEMA

IDLER AI FACTOR 1.5 WIDTH B C D E

IDLER LOAD # #DIV/0! 18 410 900

24 410 900 1200

30 410 900 1200

APPROXIMATE BELT WEIGHT 36 410 837 1200 1800

BELT DENSITY 42 363 791 1200 1800

WIDTH 30 - 74 75 - 130 130-200 48 353 744 1200 1800

18 5.3 6 6.7 54 698 1116 180024 6.8 8.3 9 60 650 1070 1800

30 9 10.5 12 72 977 1800

36 13.5 15 18

42 16.5 18 21 IDLER Ai FACTORS * For V-Returns increase Ai by 5%

48 21 22.5 25 CEMA ROLL Ai * For belt speed >1000 fpm consult factory

54 24 25.5 28.5 SERIES DIA.

60 27 30 31 B&C 4 2.3

72 30 36 39 B,C,&D 5 1.8

84 37 45 49.5 C&D 6 1.5

96 45 52 57 E 6 2.8 E 7 2.4

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VERSION 1.0


DATE 0

CLIENT 0

PROJECT 0

PROJECT NUMBER 0

FEEDER NUMBER 0

CONDITION

NORMAL FRICTION

FULL LOAD

NORMAL FRICTION

EMPTY

REDUCED FRICTION

FULL LOAD

BREAKAWAY

FULL LOAD

BREAKAWAY

EMPTY

FRICTION FACTORS

IDLER KX #DIV/0! #N/A #DIV/0! #DIV/0! #DIV/0!

FLEXURE KY 0.035 0.035 0.023 0.035 0.035

TEMPERATURE KT 1.0 1.0 1.00 1.0 1.0

BREAKAWAY MULTIPLIER 2

DRIVE WRAP FACTOR CW 0.80 0.80 0.80 2.00 0.80

DRIVE LOSS MULTIPLIER 1.08 1.08 1.00 1.08 1.08

HORSEPOWER & FRICTION TE TE HP TE HP TE HP TE HP TE HP

TROUGH FRICTION Kx #DIV/0! #DIV/0! #N/A #N/A #DIV/0! #DIV/0! #DIV/0! #DIV/0! #N/A #N/A

TROUGH FRICTION Ky #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A

RETURN FRICTION #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A

LIFT LOAD #DIV/0! #DIV/0! 0 0.0 #DIV/0! #DIV/0! #DIV/0! #DIV/0! 0 0.0

LOAD ACCELERATE 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0

BELT CLEANER 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0

V-PLOW 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0

MAT'L ON SKIRTS + RUBBER #N/A #N/A 0 0.0 0 0.0 #N/A #N/A 0 0.0

PULLEY FRICTION 350 0.0 350 0.0 233 0.0 700 0.0 700 0.0

MATERIAL SHEAR #N/A #N/A 0 0.0 #N/A #N/A #N/A #N/A 0 0.0

TOTAL TE & HP #DIV/0! #DIV/0! #N/A #N/A #DIV/0! #DIV/0! #DIV/0! #DIV/0! #N/A #N/A

TENSIONS

T1 #DIV/0! #DIV/0! #DIV/0! #DIV/0! #DIV/0!

T2 #DIV/0! #DIV/0! #DIV/0! #DIV/0! #DIV/0!

TAIL TENSION #DIV/0! #DIV/0!

TAKE-UP TENSION #DIV/0! #DIV/0!

SAG TENSION #DIV/0! #N/A #DIV/0! #DIV/0! #N/A

TRACTION TENSION #DIV/0! #N/A #DIV/0!

PIW #DIV/0! #DIV/0! #DIV/0! #DIV/0! #DIV/0!

2

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belt feeder 9

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