Intelligent Motion Systems MDrive34AC Appendix B, MDrive with Planetary Gearbox, Section Overview

APPENDIX B

MDrive with Planetary Gearbox

Section Overview

This section contains guidelines and specifications for MDrives equipped with an optional Planetary Gearbox, and may include product sizes not relevant to this manual.

Shown are:

Product Overview

Selecting a Planetary Gearbox

Mechanical Specifications

Product Overview

All gearboxes are factory installed.

Mode of Function

Optional Planetary Gearbox operate as their name implies: the motor-driven sun wheel is in the center, transmitting its movement to three circumferential planet gears which form one stage. They are arranged on the bearing pins of a planet carrier. The last planet carrier in each sequence is rigidly linked to the out- put shaft and so ensures the power transmission to the output shaft. The planet gears run in an internally toothed outer ring gear.

Service Life

Depending on ambient and environmental conditions and the operational specification of the driving system, the useful service life of a Planetary Gearbox is up to 10,000 hours. The wide variety of potential applications prohibits generalizing values for the useful service life.

Lubrication

All Planetary Gearbox are grease-packed and therefore maintenance-free throughout their life. The best possible lubricant is used for our MDrive/Planetary Gearbox combinations.

Mounting Position

The grease lubrication and the different sealing modes allow the Planetary Gearbox to be installed in any position.

Operating Temperature

The temperature range for the Planetary Gearbox is between –30 and +140° C. However, the temperature range recommended for the Heat Sink of the MDrive is 0 to +85º C.

Overload Torque

The permitted overload torque (shock load) is defined as a short-term increase in output torque, e.g. dur- ing the start-up of a motor. In these all-metal Planetary Gearbox, the overload torque can be as much as 1.5 times the permitted output torque.

Available Planetary Gearbox

The following lists available Planetary Gearbox, diameter and corresponding MDrive.

Gearbox Diameter	MDrive
81 mm	MDrive34
105 mm or 120 mm	MDrive42

	Selecting a Planetary Gearbox
	There are many variables and parameters that must be considered when choosing an appropriate reduction
	ratio for an MDrive with Planetary Gearbox. This Addendum includes information to assist in determining a
	suitable combination for your application.
A-6	MDriveAC Plus Microstepping Hardware - Revision R031808
	Relevant to Firmware Version 3.0.02