كتاب Conveyor Belt Technique Design and Calculation
منتدى هندسة الإنتاج والتصميم الميكانيكى
بسم الله الرحمن الرحيم

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 كتاب Conveyor Belt Technique Design and Calculation

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عدد المساهمات : 14261
التقييم : 22948
تاريخ التسجيل : 01/07/2009
العمر : 28
الدولة : مصر
العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
الجامعة : المنوفية

مُساهمةموضوع: كتاب Conveyor Belt Technique Design and Calculation   الإثنين 18 يناير 2016, 10:09 pm

أخوانى فى الله
أحضرت لكم كتاب
تقنيات تصميم السيور الناقلة وحساباتها
Conveyor Belt Technique Design and Calculation
Dunlop-Enerka


ويتناول الموضوعات الأتية :

1 Introduction
1.1 Foreword
1.2 Development chronology, development aims
1.3 Dunlop-Enerka test rig
2 Belt Conveyors
2.1 Basic sketch, concept, description
3. Drive Systems
3.1 Pulley arrangement, conveying systems
3.2 Single pulley head drive, Dual pulley head drive, Head and tail drive,
general criteria
3.3 Drive components
Pulley motor, Geared motor, Motor-gears-Couplings
4 Couplings
4.1 Coupling types, fixed coupling, flexible coupling, fluid coupling,
hydro dynamic coupling
4.2 Start-up procedure
4.3 Run back prevention (holdback)
5. Drive Pulley
5.1 Force transmission, Eytelwein limitations, slip, creep
5.2 Friction factor , angle of wrap 
6. Take-up (tension) Systems
6.1 General, fixed take-up, gravity weight take-up, regulated take-up
tension
7 Detection Devices
7.1 Belt tension detection, off-track detection, belt slip detection,
longitudinal slitting safety device
8 Cleaning Devices
8.1 General, ground rules
8.2 Cable scraper, transverse scraper, fan scraper staggered scraper,
rotary scraper (vertical)
8.3 Rotary scraper (horizontal) rapping roller, belt turnover, high pressure water cleaning
9 Load
9.1 General, bulk loads, piece loads, bulk density, angle of repose/surcharge, lump size, classification
9.2 Temperature, moisture, chemical characteristics, pH value, angle of
inclination
10 Conveyor Belt
10.1 General, belt construction
10.2 Carcase, ply material
10.3 Covers, cover qualities (DIN/ISO)
10.4 Special qualities, cover thickness ratio
10.5 Angle of inclination values, cover thickness values
10.6 DUNLOP cover qualities, specifications
10.7 Basic Materials
10.8 Belt specification, DUNLOP belt types
II
Index
11 Design
11.1 Main data, belt speed, standard values, recommended values
11.2 Belt widths, standard widths, minimum belt width, idler arrangement, idler spacing
11.3 Idler spacing (recommended values) idler rotation, idler roll diameter, standard idler roll lengths L
11.4 Photograph
11.5 Cross sectional area of load, comparison various cross sections
11.6 Conveyor capacity, load stream volume, load stream mass, degree
of filling, reduction factor
11.7 Power requirement, electric motor type list
11.8 Adjustment factors
11.9 Belt types
11.10 Pulley diameters, standard diameters
11.11 Pulley rotation, pulley loading
11.12 Average surface pressure, transmission capability, start-up torque
11.13 Troughing transition, pulley lift
11.14 Convex vertical curve values
11.15 Concave vertical curve, curve co-ordinates
11.16 Belt turnover, turnover length, values
11.17 Horizontal curve, values
12 Basis of Calculation
12.1 Resistance to motion, main resistance, secondary resistance, slope
resistance, special resistances
12.2 Peripheral force FU (working), summation
12.3 Factor C (allowance for secondary resistance)
12.4 Fictitious friction factor f
12.5 Mass of rotating idler parts. Mass of belt
12.6 Mass of material load. Peripheral force FA (start-up) friction cut-off
material/belt
12.7 Start-up factor KA, acceleration aA, take-off time, acceleration
distance
12.8 Peripheral force FB (braking), delay, over-run distance, braking torque of motor MM, drive power at pulley PT, motor power PM
12.9 Degree of efficiency , nominal motor power (DIN) drive system
12.10 Distribution of drive power with head and tail drive, distribution of
drive power with dual pulley head drive
12.11 Factor x for various drive conditions
12.12 Distribution of drive power with dual pulley head and tail drive
12.13 Belt tensions T
1 and T2. Belt tension correction, fixed take-up
12.14 Correction of belt tensions moveable take-up
12.15 Correction of belt tensions for minimum belt tensions
12.16 Sequential calculation to ascertain belt tensions T1 to T4, force
distribution, individual resistances
12.17 Sequential calculation for single pulley head drive
12.18 Sequential calculation for tail drive and tail drive braking
12.19 Sequential calculation for head and tail drive and dual pulley head
drive
12.20 Section loadings
12.21 Nominal belt strength, safety factor
12.22 Selection of belt type (criteria)
12.23 Selection of belt type (criteria continuation)
12.24 Selection of belt type (criteria continuation)
12.25 Belt reference to ascertain a belt type
12.26 Determination of fall energy at the loading point
12.27 Influence of stresses on belt selection
12.28 Photograph
12.29 Determination of troughing capabilities
12.30 Determination of cover thicknesses
12.31 Determination of take-up travel, values
III
Index
13 Calculation Example
13.1 Duty data, short calculation
13.2 Peripheral force FU and motor performance PM
13.3 Individual resistances, sequential calculation
13.4 Sequential calculation for various take-up systems
13.5 Belt safety, pre-tension, take-up travel
13.6 Pulley diameter, troughing transition
13.7 Convex and concave vertical curve
13.8 Control of additional stresses
13.9 Computer calculations
13.10 Photograph
14 Slider Bed Belt Conveyors
14.1 Supporting surface, belt widths, belt speeds
14.2 Conveying capacity, resistance to motion
14.3 Frictional resistance, friction coefficient G (belt/supporting surface)
14.4 Slope resistance, special resistances
14.5 Special Resistances (continued)
14.6 Drive power, belt tension, peripheral force FA
14.7 Safety Factor S, nominal belt strength KN
15 Bucket Elevator Belts
15.1 Conveying capacity, bucket contents, bucket shape
15.2 Degree of Filling, speed
15.3 Loading, discharging
15.4 Bucket spacing, belt width, main resistance
15.5 Loading resistance, secondary resistance, peripheral force FU,
motor power
15.6 Start-up factor, determination of belt type
15.7 Determination of belt tensions T
1 and T2
15.8 Safety factor S, friction coefficient  (belt/drive pulley)
15.9 Belt stress T
1 (load dependent) pulley diameter, number of plies
15.10 Individual resistances, peripheral force FU
15.11 Values for degree of filling, bulk density, speed
15.12 Bucket shapes and dimensions
15.13 Bucket attachment, making endless joint
IV
Index
A Theoretical Volume Stream
A.1 Flat carrying idlers, 2 roll troughing idlers
A.2 3 roll troughing idlers
A.3 Deep troughing, garland idlers
A.4 Box section belt
A.5 Steep conveying belts
A.6 Corrugated edge belts without cleats
B Masses of Rotating Idler Rollers
B.1 Standard idlers
B.2 Cushion idlers, disc idlers
C Conveyor Belt Thicknesses and weights
C.1 Belt types SUPERFORT, STARFLEX, DUNLOFLEX, TRIOFLEX,
FERROFLEX
C.2 Steep incline belts CHEVRON, HIGH-CHEVRON, MULTIPROF
C.3 Slider bed belts, DUNLOPLAST belts
C.4 Steel cord belts SILVERCORD
rubber cleats
D Secondary Resistances
D.1 Inertial and frictional resistance at the loading point
Frictional resistance from skirt plates (loading point)
Frictional resistance from belt cleaners
D.2 Belt bending (flexing) resistance, pulley bearing resistance
E Special Resistances
E.1 Resistance due to idler tilt
Frictional resistance from skirt plates beyond the loading point
Resistance due to sideways load discharge
Resistance from trippers
E.2 Resistance to belt sealing strip beyond the loading point
Resistance from motion of bunker drag-out belts
F Drive Factors c
1 and c2
F.1 Drive factors c
1 and c2 value ea
G Safety Factor S
G.1 Belt safety (definition) time/strength behaviour, reductions
G.2 Safety factors S for steady and non-steady state working and for
temporary localised peak stresses
H Stress-Strain Curve
H.1 Elongation characteristics (hysteresis curve)
H.2 Stress-strain curve (diagram)
I Additional Stresses
I.1 Belt safety, elastic modulus
I.2 Values for S
min, elongation value kD
I.3 Troughing transition: safety and elongation
I.4 Troughing transition with raised pulley
I.5 Concave vertical curves
I.6 Convex vertical curves
I.7 Horizontal curve
I.8 Belt turnover
J Roll Diameter
J.1 Standard rolls, coiled roll, double coiled roll, `S’ form coiled roll, roll
on oval core
J.2 Diameter of standard rolls (table)
V
Index
K Pulley Diameters
K.1 Pulley diameters for DUNLOP-ENERKA belt types
K.2 Pulley diameters for DUNLOPLAST PVG and PVC belts
K.3 Pulley diameters for steel cord belts SILVERCORD
L Crowned Pulleys
L.1 Dimensions, taper
M Arrangement of Rubber Supporting Idler Discs
M.1 Installation instructions, measurements
N Chemical Resistance
N.1 Resistance of the carcase
N.2 Resistance of the covers
N.3 Resistance of the covers (continued)
O Steep Incline Installations
O.1 Hints for the improvement of installation components
O.2 Hints for the improvement of installation components (continued)
P Endless Splicing
P.1 Methods, hot vulcanising
P.2 Warm vulcanization, cold vulcanisation, mechanical fasteners
Q Material Characteristics
Q.1 Material characteristics
Q.2 Material characteristics (continued)
Q.3 Material characteristics (continued)
Q.4 Material characteristics (continued)
Q.5 Material characteristics (continued)
Q.6 Material characteristics (continued)


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