Danfoss MI75A102 VLT One Gear Drive Extension Box Installation Guide
- June 1, 2024
- Danfoss
Table of Contents
Danfoss MI75A102 VLT One Gear Drive Extension Box
Safety Warnings
Purpose of this Installation Guide
The purpose of this installation guide is to describe the installation of the VLT® OneGearDrive ExtensionBox.
NOTICE
The information is limited to that required for qualified personnel in normal working situations. Contact Danfoss for further assistance.
The full operating instructions with more detailed information are available on the Danfoss website: vltdrives.danfoss.com/Support/Technical- Documentation/
Compliance with the information in this installation guide is a prerequisite for:
- Trouble-free operation.
- Recognition of product liability claims.
Therefore, read this manual before working on or with the OneGearDrive.
VLT® is a registered trademark.
Safety Symbols
The following symbols are used in this manual:
WARNING
Indicates a potentially hazardous situation that could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation that could result in minor or moderate injury. It can also be used to alert against unsafe practices.
NOTICE
Indicates important information, including situations that can result in damage to equipment or property.
Intended Use
The OneGearDrive is intended for commercial installations unless otherwise expressly agreed. It complies with the standards of the series EN 60034/DIN VDE 0530. Use in a potentially explosive atmosphere is forbidden if not expressly intended for this purpose.
The OneGearDrive is designed for ambient temperatures from –20 ˚C to 40 ˚C and for installation heights up to 1000 m above sea level.
Danfoss assumes no responsibility of any sort for damage attributable to improper use.
CAUTION
Low voltage machines are components for installation in machines in the sense of the machinery directive 2006/95/EC.
- Do not use the machine until conformity of the final product with this directive is established (refer to EN 60204-01).
Qualified Personnel
All necessary work on electric drive units must only be performed by adequately qualified personnel (for example, electrical engineers as specified in draft EN 50 110-1/DIN VDE 0105), who have the operating instructions provided and other product documentation available during any corresponding work, and who are obliged to abide by the instructions contained therein. Qualified personnel are persons who are authorised due to training, experience, and instruction, as well as their knowledge of relevant standards, rules, accident-prevention regulations, and operating conditions.
Safety Precautions
WARNING
HIGH VOLTAGE
High voltage, which can lead to death or serious injury, is present on the connectors.
- Before working on the power connectors (disconnecting or connecting the cable to the OneGearDrive), disconnect the supply to the frequency converter and wait for the discharge time to elapse (see the frequency converter operating instructions).
- Installation, start-up, maintenance, and decommissioning must only be performed by qualified personnel.
Service and Support
Contact the local service representative for service and support: vlt- drives.danfoss.com/Support/Service/
Installation
Items Supplied
- VLT® OneGearDrive ExtensionBox
- Hollow shaft cover
- Accessory bag
- Retaining ring
- Disc
- 3 screws for hollow shaft cover (M12 x 30)
- 3 plastic discs
- Plastic cap
- Adapter flange kit
- Adapter flange
- 6 adapter screws (M10 x 30)
- 6 washers
- 6 adapter screws (M12 x 25)
- Torque arm set
- Torque arm
- Mounting set
- 6 torque arm screws (M12 x 30)
Mounting
The ExtensionBox can only be adapted to 40 mm conveyor shafts and OneGearDrives with a 40 mm hollow shaft.
The minimum shaft length is 130 mm and the maximum shaft length is 150 mm.
All other specifications can be found in chapter Assembly Kit in the VLT® OneGearDrive Operating Instructions.
Torque Arm
1 | Torque arm fastening set |
---|---|
2 | Customer support frame |
Illustration 2.1 ExtensionBox with Torque Arm and OneGearDrive
Take the dimensions from chapter 3.2.3 Torque Arm for Extension Box to determine the position of the fastening set. Also see chapter 2.2.3 VLT® OneGearDrive for optional mounting positions.
Assemble the torque arm as shown in Illustration 2.2.
Position | Quantity | Item | Comments |
---|---|---|---|
1 | 1 | Torque arm | – |
2 | 6 | Torque arm screw | DIN 6921, M12 x 30, tightening torque: 35 Nm |
3 | 1 | Screw | ISO 4017, M12 x 90 |
4 | 2 | Washer | DIN 9021, A13 |
5 | 1 | Damper | – |
6 | 1 | Washer | ISO 7090, M30 |
7 | – | Customer support frame | – |
8 | 1 | Hexagon nut | DIN 985, M12, tightening torque: 43 Nm |
Illustration 2.2 Assembly View of the Extension Box with Torque Arm
Extension Box
-
Grease the conveyor shaft.
-
Mount the Extension Box to the conveyor shaft and fix it with the delivered retaining ring and disc.
NOTICE
The screw [3] is not supplied and depends on the conveyor shaft length. Refer to the chapter Assembly Kit in the VLT® OneGearDrive Operating Instructions for further information. -
Assemble the Extension Box in 30° steps (see chapter 2.2.3 VLT® OneGearDrive).
-
Close the hollow shafts with the cover (see Illustration 2.4).
VLT® OneGearDrive
- Assemble the adapter flange to the OneGearDrive as shown in Illustration 2.3.
NOTICE
Table 2.1 shows the possible adapter flange positions for the various Extension Box mounting positions. Also use this table for mirror inverted mounting positions.
Extension Box mounting position| OneGearDrive mounting position| Adapter
flange screw positions
---|---|---
| |
|
|
|
|
Table 2.1 Possible Adapter Flange Positions
- Tighten all 6 screws as shown in Illustration 2.3.
- Grease the Extension Box shaft.
- Mount the OneGearDrive to the Extension Box shaft as shown in Illustration 2.4.
Position| Quantity| Item| Comments
---|---|---|---
1| 1| Adapter| –
2| 6| Washer| DIN 125, A10.5
3| 6| Adapter screw| DIN 912, M10 x 30, tightening torque:
20 Nm
Illustration 2.3 Assembly of the Adapter Flange to the OneGearDrive
Position | Quantity | Item | Comments |
---|---|---|---|
1 | 1 | Eyebolt | DIN 580, C15, M12 |
2 | 1 | Plastic cap | – |
3 | 1 | Hollow shaft cover with seal | – |
4 | 3 | Cover screw | DIN 6921, M12 x 30, tightening torque: 6 Nm |
5 | 1 | Adapter flange |
(mounted to OneGearDrive)
| –
Illustration 2.4 Assembly of the Adapter Flange to the Extension Box
- Fasten the adapter flange [5] with the adapter screws (supplied).
- Remove the eye bolt [1] from the Extension Box and the OneGearDrive.
- Fit the plastic cap [2] (supplied) to close the hole on the ExtensionBox.
- Fit the hollow shaft cover [3] to the Extension Box.
Refer to the VLT® OneGearDrive Operating Instructions for further information.
Specifications
General Specifications and Environmental Conditions
Ratio i | 3.11 |
---|---|
Protection rating | IP54 |
MLT [Nm] | 0–850 |
nLT [RPM] | 0–31 |
Weight [kg] | 44 |
Table 3.1 General Specifications and Environmental Conditions
Dimensions
Extension Box
All dimensions are in mm (inch). 380350 182
Illustration 3.1 ExtensionBox Dimensions
Adapter Flange
All dimensions are in mm (inch).
Torque Arm for ExtensionBox
All dimensions are in mm (inch).
Illustration 3.3 Torque Arm Dimensions
Customer Support
Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without sub sequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
Danfoss A/S
Ulsnaes 1
DK-6300 Graasten
vlt-drives.danfoss.com
References
- Global AC drive manufacturer - Danfoss Drives | Danfoss
- Global AC drive manufacturer - Danfoss Drives | Danfoss
- Global AC drive manufacturer - Danfoss Drives | Danfoss
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