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MT 110.02 Assembly spur wheel / worm gear mechanism



  • Practical exercise on the assembly of a modern industrial gear unit, using simple tools and jigs
  • Broad scope of learning with interdisciplinary problems
  • Comprehensive and well-structured instructional material


Technical Description

The MT 110.02 two-stage gear unit kit contains all the parts required to construct the gear unit. It consists of a spur gear stage as its input, with a downstream worm gear stage (multistage gear combination). The fit seatings of the gear unit are designed to allow the complete assembly process to be carried out by hand. All parts are clearly laid out and well protected in a sheet-steel tool box. Small parts are supplied in a box with a transparent lid.

This assembly exercise permits wide-ranging and, above all, interdisciplinary work to be carried out by the students. The project unit is particularly well suited to action-based teaching. This, in conjunction with students working in an independent capacity, as well as developing teamworking skills, ensures that the unit serves as an excellent learning tool.

The modern style used in the instructional materials outlines comprehensive and in-depth technical information which forms the basis for the teaching process.

The teaching material includes a complete set of drawings with parts lists, single part drawings, an exploded view and assembly drawing. All drawings are to standard, and dimensioned in line with production requirements. Another very useful feature is the extensive set of transparencies for the overhead projector.

A tool kit is also included. The fully assembled gear unit can be function tested together with the optionally available MT 172 unit.

Learning Objectives / Experiments

- design and function of a multistage gear combination
- reading and understanding engineering drawings
- familiarisation with component and assemblies, their design features and functions
- dimensioning exercises, gauging of parts
- work planning, particularly planning and presentation of the assembly process
- familiarisation with assembly aids and jigs
- assembly exercises: component and complete unit assembly
- analysis of faults and damage, in conjunction with maintenance and repair steps
- material selection criteria

In conjunction with MT 172
- functional testing of the assembled gear unit


[1] assembly exercise for engineering training
[2] complete, disassembled multistage gear combination with small parts set and 12 assembly jigs in a box
[3] spur gear stage with helical gear wheels
[4] worm gear stage with cylindrical worm and globoid wheel
[5] gear unit consisting of drive housing, worm pedestal housing, power take-off and drive shafts, spur gear stage and worm gear stage
[6] the kit forms part of the GUNT assembly, maintenance and repair practice line

Technical Data

Gear unit dimensions without shaft couplings
- LxWxH: 282x138x188mm, approx. 22kg
Transmission ratios
- spur gear stage: i=2,83
- worm gear stage: i=12,33
- total transmission ratio: i=34,89
Spur gear stage
- pinion: number of teeth: z=24, real pitch 
  module: m=1mm
- gear wheel: z=68, m=1mm
Worm gear stage
- worm: z=3
- worm gear wheel: z=37, m=2,578mm
Max. output torque: 212Nm 
- housing: grey cast iron
- shafts: heat treated steel
- spur gear wheels, worm: case-hardened alloy steel
Shaft couplings
- drive: DxL: 16x40mm
- power take-off: DxL: 30x60mm

Dimensions and Weight
LxWxH: 700x380x320mm (box)
Weight: approx. 38kg

Scope of Delivery
1 complete set of multistage gear combination parts 
1 box for small and loose parts (e.g. bolts, circlips, feather keys, washers)
1 set of gaskets
12 assembly jigs
1 set of assembly / disassembly tools
1 sheet-steel tool box with foam inlay
1 set of instructional material, consisting of technical description of system, complete set of drawings with individual parts and parts list, description of assembly and disassembly sequences, set of transparencies for overhead projector

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