Rollers and components for bulk handling

310 Pages·15.275 MB·English

by  Rulmeca.

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Alldimensionsindicatedinthiscatalogueare U
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subjecttoworkingtolerancesand,altthuogh ed. Rollers and components
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arenotnecessarilybinding. G
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totaland/orpartial,byanymeans(microfilms
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andphotostaticcopiesincluded)arereserved
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Motorized Pulleys forallCountries.
for belt conveyors H
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1°ed. MOT BU FAA GB 12/03 UL
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Copyright©September2010
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RULLIRULMECASpA
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RULLI RULMECA SpA
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RULLI RULMECA S.p.A. - Via A.Toscanini,1 - 24011 ALME’ (BG) Italy ollr
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Tel. [phone] Fax [phone] www.rulmeca.com E-mail: [email protected] Rf
7°ed.BUEN09/10
Rollers and components
for bulk handling
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TABLE OF CONTENTS
1 Technical information page 9 2 Rollers page 67
1.1 Introduction ................................................................ 11 2.1 Various industry uses ................................................ 69
1.2 Technical symbols ..................................................... 12 2.2 Rollers, technical design and data ........................... 70
1.3 Technical characteristics of belt conveyors ............. 14 2.3 Selection method ...................................................... 74
2.3.1 Choice of diameter in relation to speed ........................ 75
1.4 Component elements of a belt conveyor .................. 16 2.3.2 Choice of type in relation to load .................................. 76
1.5 Project criteria ........................................................... 18 2.4 Ordering codes .......................................................... 80
1.5.1 Conveyed material ......................................................... 18
1.5.2 Belt speed ................................................................... 2 3 2.5 Programme ................................................................ 89
1.5.3 Belt width ................................................................... 24 2.5.1 Rollers series PSV ........................................................ 91
1.5.4 Type of troughing set, pitch and transition distance ...... 32 Rollers series PSV non standard ................................... 122
1.5.5 Tangential force, absorbed power, passive resistance, 2.5.2 Rollers series PL - PLF ................................................. 123
belt weight, tensions and checks .................................... 36 2.5.3 Rollers series MPS ......................................................... 135
1.5.6 Belt conveyor drive types and drum dimensions .......... 44 2.5.4 Rollers series MPR ......................................................... 145
2.5.5 Rollers series RTL ......................................................... 151
1.6 Rollers, function and design criteria ......................... 48 2.5.6 Guide rollers ................................................................... 157
1.6.1 Choice of roller diameter in relation to speed ................ 49
1.6.2 Choice of type in relation to load ................................. 50 2.6 Rollers with rubber rings ........................................... 160
2.6.1 Impact rollers ............................................................... 162
1.7 Loading of belt and impact rollers .............................. 53 2.6.2 Return rollers with spaced rubber rings ......................... 172
1.7.1 Calculation of associated forces on impact rollers ........ 54 2.6.3 Return rollers with helical rubber rings for self cleaning .... 184
2.6.4 Return rollers with helical steel cage for self cleaning ....... 188
1.8 Accessories ............................................................... 58
1.8.1 Belt cleaners ............................................................... 58
1.8.2 Belt inversion ............................................................... 59
1.8.3 Belt conveyor covers ................................................... 59
1.9 Project examples ...................................................... 60
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3 Troughing sets page 191 5 Belt cleaners page 265
3.1 Introduction .................................................................. 193 5.1 Introduction ............................................................... 267
3.2 Choice of troughing set ............................................... 194 5.2 Selection criteria ....................................................... 268
3.2.1 Choice of the transom in relation to load ....................... 196
5.3 Programme ................................................................ 269
3.3 Arrangements ............................................................ 198 5.3.1 Belt cleaners type-P ..................................................... 270
3.3.1 Upper carrying troughing sets .......................................... 198 5.3.2 Belt cleaners type-R .................................................... 272
3.3.2 Return sets ..................................................................... 199 5.3.3 Belt cleaners type-H .................................................... 274
3.3.3 Order codes ................................................................... 200 5.3.4 Belt cleaners type-D .................................................... 276
3.3.4 Programme of transoms and bracketry ........................ 201 5.3.5 Belt cleaners simple and plough types ........................... 278
3.4 Self-centralising troughing sets ............................ 218
3.5 Cantilevered sets .................................................... 230
3.6 Suspended sets ......................................................... 235
3.6.1 Characteristics and advantages ...................................... 236
3.6.2 Applications and configurations ...................................... 237 6 Covers page 281
3.6.3 Programme ..................................................................... 239
3.6.4 Suspension designs ........................................................ 246 6.1 Introduction and methods ........................................ 283
6.2 Styles and characteristics ........................................ 283
6.3 Covers series CPTA in steel ...................................... 284
6.3.1 CPTA 1 Half circle with straight side .............................. 286
4 Pulleys page 249 6.3.2 CPTA 2 Half circle without straight side .......................... 287
6.3.3 CPTA DOOR 45° inspection door for CPTA 1 and CPTA 2 .... 288
4.1 Introduction .................................................................. 251 6.3.4 Dual full opening covers ..................................................... 289
6.3.5 Removable covers .......................................................... 291
4.2 Dimension of pulleys ................................................... 252 6.3.6 Fixing accessories .......................................................... 292
4.2.1 Shaft importance ............................................................ 253 6.3.7 Ventilated covers ............................................................ 294
6.3.8 Covers with hinged inspection door ................................ 294
4.3 General construction data ......................................... 254 6.3.9 CPTA 4 “Walkway” ......................................................... 295
4.3.1 Types and designs .......................................................... 255 6.3.10 CPTA 6 roof covers ........................................................ 296
4.4 Order codes ................................................................. 256 6.4 Covers series CPT in PVC .......................................... 297
4.5 Programme .............................................................. 257
4.5.1 Serie USC drive with clampig units .................................. 258
4.5.2 Serie USF idler with clampig units.................................... 260
4.5.3 Serie CUF idler with incorporated bearings ..................... 262
4.5.4 Screw tension unit .......................................................... 263
4.5.5 Special pulleys ................................................................ 264 7 Impact bars pag. 300
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Todays movement of goods and bulk mate- within the offices, control and machinery
rials demands state of the art methods. areas to provide the very best conditions
of work for staff and operatives.
In this field Rulli Rulmeca S.p.A. have the
reputation to be one of the largest and most The company philosophy has always been
qualified producers in the world of rollers and and continues to be to satisfy, the needs
equipment for all types of conveyors and requests and problems of customers,
automatic materials handling systems. providing not only products but a service
based on specialised technical competence
The development of the Company has rea- accumulated over 45 years of experience.
ched impressive and significant levels.
Using advanced information technology and
computer aided design the functions of the
management, commercial, administration,
project design, production and quality con-
trol blend together in an efficient, functional,
and harmonious way.
The factory is technically advanced, having
developed the principles of “open space”

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Experience
Modern Technology
Automation
Service
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Fields of application:
- Coal
- Steel
- Energy
- Chemical
- Fertiliser
- Glass
- Cement
- Mineral extraction
You see below examples of the most
important industries where Rulmeca has
supplied rollers and components for the
conveying of Bulk materials. In these fields
belt conveyors distinguish themselves for
their flexibility, practicality and economic
application.
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1 Technical
Information
project and design criteria
for belt conveyors
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