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7Applications
7.11 Roller conveyor
142
Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23
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7.11.2.6 Number of wrapped chain turns
7.11.2.7 Additional force
7.11.2.8 Angle of tilt
Application with a slope (slide)
For the angle of tilt, only a positive value (slope) can be entered. However, you can dimension an ap-
plication with a slope by specifying a negative speed. If the application is moving on a slope with
negative speed, it goes backwards.
Procedure:
• Enter the value of the slope into the Angle of tilt input field.
• Enter the value with a negative sign into the Speed input field.
7.11.2.9 Coefficient of friction of the bearing
Symbol Description
N
Chn
• Number of chain wraps which distribute the torque to the single rolls. For calculation, the
most unfavourable efficiency is assumed (load is applied to the last driven roll).
Note!
When the power is transmitted from the drive to the transport rollers, the efficiency
η
Chn
of the chain is reduced with every chain wrap.
•The efficiency η
Chn
exponentiates with the number of chain wraps N
Chn
.
• Position the drive centrally if necessary to distribute the power transmission to two
paths. That way, the number of chain wraps per path is also reduced.
• Realistic values must be assumed for the efficiency η
Chn
.
Symbol Description
F
add
The additional force results from backing forces, lateral friction, deflectors, etc.
• The backing force can be calculated using the auxiliary calculator.
"Backing force (material handling technology)" calculator
( 418)
Symbol Description
β Angle of tilt (gradient)
• The value can be entered in degrees or as a percentage.
• The max. angle of tilt as a first approximation is: arctan(μ
L
)
(static friction between load and roll).
Symbol Description
μ
Brg
Coefficient of friction for the bearing friction
• Value can be entered directly or selected from the "Physical coefficients" table.
Bearing and leadscrew friction
- Drive Solution 1
- Designer 1
- Contents 10
- 1 Notes on usage 11
- 2 About this documentation 14
- Pictograph and signal word! 17
- 3User interface 18
- How to sort the results: 35
- How to filter results: 35
- How to open created notes: 38
- How to delete notes: 38
- 4.3.1 Messages 44
- 4.3.2 Software updates 45
- 4.4 Language 46
- 4.5 Settings 46
- 4.5.3 "Help" tab 47
- 4.5.5 "Units" tab 48
- User data 50
- Registration data: 50
- 4.6 User-specific settings 51
- 4.6.1 User-defined defaults 51
- 5Managing projects 52
- 6 Drive dimensioning tools 55
- 7Applications 100
- Mass calculator ( 405) 109
- Danger! 122
- Pole pair 191
- 8 Motion design 224
- symbol in the toolbar 225
- CINH = 1 271
- 9 Mains and environment 277
- ( 283) 282
- ( 285) 282
- ( 286) 282
- 10.1 Mechanical drive axis 283
- 10.1.1 Lenze gearbox 283
- 10.1.3 Feedback 284
- 10.2 Electrical drive axis 285
- 10.3 Drive concept 286
- 10.3.1 Gearbox features 287
- 10.3.1.1 Axial gearbox 287
- 10.3.1.2 Right-angle gearbox 288
- 10.3.2 Motor properties 289
- 10.3.4 Inverter properties 294
- 10.3.4.1 Frequency inverter 294
- 10.3.4.2 Servo inverters 296
- 11 Drive Dimensioning 308
- 12 Components in the DC bus 361
- 13 Details on Lenze products 377
- 14 Energy efficiency 378
- 15.1 Drawing 386
- Editing functions 389
- 15.2 Results 390
- 15.3 Protocols 391
- 15.3.1 Summarised protocol 391
- 15.3.2 Detailed protocol 391
- 15.3.3 Commissioning data 392
- 15.3.5 Output settings 393
- 15.4.1 Application Tuner 394
- 15.4.3 BlueGreen 394
- ( 378) 395
- 15.6.1 Dynamic reserves 396
- 15.6.2 Stationary reserves 396
- 15.6.3 Speed reserves 397
- 15.6.7 Reserves for gearboxes 399
- 16 Auxiliary means 401
- How to call the calculator: 404
- How to call the DSC: 425
- 17.1 Field weakening 426
- 17.5 Feedback systems 427
- Measured values 430
- 17.16 System disturbances 435
- [17-6] Group drives 436
- 17.19 ATEX for gearbox 437
- 17.21 Emergency-off scenarios 438
- 18.1 Applications 441
- 18.2 Drive system 445
- 18.3 Additional drive element 449
- 18.4 Lenze gearbox 450
- 18.5 Lenze motor 455
- 18.5.6 Motor speed too low 456
- > as winding ratio q 460
- 18.6 Brake 461
- 18.6.3 No brake available 461
- 18.7 Feedback 463
- 18.7.2 No feedback selected 463
- 18.8 Inverters 465
- 18.8.16 Activate VVC control 469
- 18.8.19 Mains choke required 470
- 18.10 Supply module 476
- 18.11 Brake chopper 479
- 18.12 Brake resistor 481
- 18.13 User motor 483
- ( 42) 485
- ( 46) 485
- 20 Glossary 486
- )(('%$& 494
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