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عدد المساهمات : 19001 التقييم : 35505 تاريخ التسجيل : 01/07/2009 الدولة : مصر العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
| موضوع: كتاب Conveyor Belt Technique Design and Calculation الإثنين 18 يناير 2016, 10:09 pm | |
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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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