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Datasheet Updated: Friday, November 18th 2022

Dorner 3200 Belt Conveyor

Contents

  • Overview
  • Applications
  • Technical Specifications
    • Temperature Factor
    • Available Sizes
    • Suggested Mounting
    • Calculating the Required Driving Force
    • Torque and Force
  • Transfer Plate
  • AC Motor, Gearbox, and VFD
  • Assembly Instructions

Overview

Use this technical document as a guide to select your belt conveyor size and power transmission to ensure that you purchase the correct combination of components for your application. This document will outline how to calculate the required forces to transfer your products as well as the corresponding powertrain combinations to meet those requirements.

Applications

Applications for belt conveyors are diverse, but at their core, a belt conveyor is always used to move an object from position A to position B. Applications vary from simple conveying systems to complex pick-and-place systems with indexing and part accumulation.
Check out our design library in the link below for inspiration.

Browse Open Source Designs

Technical Specifications

Gearbox Ratio 8:1 10:1 15:1
Rated Non-Accumulated Payload Pulling (kg)* 45 75 125 kg up to 366 mm/s
100 kg up to 459 mm/s
Rated Non-Accumulated Payload Pushing (kg)* 45 60 60
Rated Accumulated Payload Pulling (kg)* 23 33 50
Rated Accumulated Payload Pushing (kg)* 23 30 30
Displacement Ratio (mm/turn) 30 24 16
Belt Speed range (mm/s) 215 - 860 (mm/s) 172 - 688 (mm/s) 115 - 459 (mm/s)
Belt Material Impregnated polyester fabric Impregnated polyester fabric Impregnated polyester fabric
Coefficient of friction between the conveyor belt and its bed surface (inner surface of the belt when installed) 0.33 0.33 0.33
Coefficient of friction between a product made out of steel and the belt (outer surface of the belt when installed)** 0.2 0.2 0.2

* The rated load of the conveyor is not the same in both directions. The belt can move a larger payload when it is moving the payload towards the motor (pulling) compared to when the payload is moving away from the motor (pushing).
**The accumulation load is influenced by the coefficient of friction between your specific product and the conveyor belt. This coefficient will vary based on your product’s material.

Note: the above ratings for maximum payload are calculated at equilibrium and assume a regular horizontal conveyor orientation. The limiting factor is the slip between the belt and the conveyor pulley. To determine the correct powertrain for more complex applications that include accelerations and inclines see the ‘Calculating the Required Driving Force’ on this page below.


Temperature Factor

Ambient temperature and number of starts and stops of your conveyor will influence the payload capacity of your conveyor based on the following formula:

Payload = (Rated Payload from the above table)x(Temperature Factor)x(Start/Stop Factor)

You can find the temperature factor in the following table.

Temperature (C) Temperature Factor
-20 1.0
0 1.0
20 1.0
40 0.9
60 0.8

Also, frequent starts/stops of the conveyor will influence the payload of the conveyor. You can find the start/stop factor in the following table.

Application Condition Start/Stop Factor
Continuous Run or 1 start/stop per hour 1.0
Maximum 10 starts/stop per hour 0.83
Maximum 30 starts/stop per hour 0.70
Greater than 30 starts/stop per hour 0.62

Available Sizes

Our conveyor offering comes in different size options to suit your application need. Select the dimensions that work for your application.

Conveyor Length (mm) 305 mm Width 610 mm Width 914 mm Width 1219 mm Width
945 MO-CV-024-0945 MO-CV-025-0945 MO-CV-026-0945 MO-CV-027-0945
1125 MO-CV-024-1125 MO-CV-025-1125 MO-CV-026-1125 MO-CV-027-1125
1305 MO-CV-024-1305 MO-CV-025-1305 MO-CV-026-1305 MO-CV-027-1305
1530 MO-CV-024-1530 MO-CV-025-1530 MO-CV-026-1530 MO-CV-027-1530
1710 MO-CV-024-1710 MO-CV-025-1710 MO-CV-026-1710 MO-CV-027-1710
1890 MO-CV-024-1890 MO-CV-025-1890 MO-CV-026-1890 MO-CV-027-1890
2070 MO-CV-024-2070 MO-CV-025-2070 MO-CV-026-2070 MO-CV-027-2070
2295 MO-CV-024-2295 MO-CV-025-2295 MO-CV-026-2295 MO-CV-027-2295
2475 MO-CV-024-2475 MO-CV-025-2475 MO-CV-026-2475 MO-CV-027-2475
2655 MO-CV-024-2655 MO-CV-025-2655 MO-CV-026-2655 MO-CV-027-2655
2835 MO-CV-024-2835 MO-CV-025-2835 MO-CV-026-2835 MO-CV-027-2835
3060 MO-CV-024-3060 MO-CV-025-3060 MO-CV-026-3060 MO-CV-027-3060
3240 MO-CV-024-3240 MO-CV-025-3240 MO-CV-026-3240 MO-CV-027-3240
3600 MO-CV-024-3600 MO-CV-025-3600 MO-CV-026-3600 MO-CV-027-3600
3825 MO-CV-024-3825 MO-CV-025-3825 MO-CV-026-3825 MO-CV-027-3825

Suggested Mounting

Optimal conveyor mounting depends on the payload as well as the width and length of the conveyor. The following table can be used as a guide. The mounting points should be spaced as evenly as possible.

Length (mm) Width (mm) Number of brackets
945-1305 305 4
945-1305 610 4
945-1305 914 4
945-1305 1219 4
1530-2070 305 6
1530-2070 610 6
1530-2070 914 6
1530-2070 1219 6
2295-2835 305 8
2295-2835 610 8
2295-2835 914 8
2295-2835 1219 8
3060-3825 305 10
3060-3825 610 10
3060-3825 914 10
3060-3825 1219 10

Calculating the Required Driving Force

To calculate the required linear force to drive your payload a few things must be considered. The main considerations are the desired acceleration of the belt when starting, the force required to deform the belt over the rollers, if the belt is on an incline or not, and what the friction generated by the payload is. The sum of these four forces will give the required linear force of the belt conveyor.

The deformation force you need to enter in the formula above (no load force) for each conveyor width is provided in the table below. This value represents the torque and equivalent force required to deform the belt over the conveyor rollers. The value also includes other small parasitic losses in the system.

Conveyor Belt Width (mm) Deformation Force (N)
305 44.5
610 89
914 112.7
1219 118.6

After obtaining the Required Driving Force from your calculation, compare it to the values in the table below.

Torque and Force

AC Motor + Gearbox Ratio 0.5 HP AC Motor + 8:1 Gearbox 0.5 HP AC Motor + 10:1 Gearbox 0.5 HP AC Motor + 15:1 Gearbox
Part Number MO-SM-022-0005 MO-SM-022-0007 MO-SM-022-0009
Full - Load Torque Gearbox Output (N.m) 16 20 30
Belt Conveyor Force (N) 419 524 787

These forces are the maximum that the motor can deliver at its Full Load current. If the application requires more force (inclined conveyor orientation or higher acceleration) the conveyor speed might need to be reduced to achieve these values.

Transfer Plate

In some applications, you may need to line up several Dorner 3200 belt conveyors beside each other to move your products. In these cases, you need transfer plates to fill the gap between the conveyors. Transfer plates are installed at the ends of the conveyors. The transfer plate comes in four different dimensions to fit each of our conveyor widths offered (305mm, 610mm, 914mm and 1219mm). In order to use the transfer plate your product needs to have a minimum length of 32 mm. For Dorner 3200, the transfer plates for the drive tail of the conveyor (conveyor end with shaft) are different from the transfer plates for the idler tail of the conveyor (conveyor end without shaft).

AC Motor, Gearbox, and VFD

This kit is a lower-cost alternative to our stepper drives for powering your material-handling operations.
The VFD (variable frequency drive) powers a 1/2HP three-phase AC motor, which can be paired to a 8:1, 10:1 or 15:1 gearbox. It comes pre-wired for mains power, motor power, and three MachineMotion digital input connections. For more information on this kit check out the link below.

Assembly Instructions

Assembly instructions can be found here. These instructions have been created to help you assemble the Dorner 3200 product with an AC motor and VFD configuration.

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