Assembly exercise: spur gear Design and function of a spur gear with helical gear wheels; planning, assembly and disassembly Features - part of GUNT DigiSkills learning projects and the GUNT Practice Line for assembly, maintenance and repair - supported by augmented reality - multimedia instructional materials on USB flash drive and online in GUNT Media Center: 3D PDF, DXF files, STEP files, videos Learning objectives/experiments - function and design of a helical spur gear unit - planning and presentation of the assembly process, supported by augmented reality - assembly and disassembly, including for the purposes of maintenance and repair - read and understand engineering drawings (PDF files, DXF files, STEP files) - familiarisation with various machine elements: ball bearings, shaft seals - familiarisation with assembly aids and jigs - generation of programs for 3D print and CNC machining - in conjunction with MT 173 -- functional testing of the assembled gear unit - in conjunction with MT 174 -- preventive maintenance Specification [1] kit of a spur gear unit [2] part of GUNT DigiSkills and the GUNT Practice Line for assembly, maintenance and repair [3] disassembled spur gear with set of small parts and 4 assembly jigs, housed in a storage system with foam inlay [4] helical spur gear wheels [5] gear unit comprising driven parts housing, drive housing, driven and drive shafts, driven gear and drive pinion, as well as bearings [6] augmented reality: visualisation of machine elements, display of exploded views, functions [7] multimedia instructional materials: PDF, CAD files, STEP files, videos [8] online access to the GUNT Media Center Technical data Gear dimensions without shaft connections - LxWxH: 160x135x175mm Transmission ratio - pinion -- number of teeth: z=24 -- real pitch module: m=1mm - gear wheel -- number of teeth: z=68 -- real pitch module: m=1mm - transmission ratio: i=2,83 Max. output torque - 54Nm at 494min-1 Shaft connections - drive: ØxL: 16x40mm - output: ØxL: 20x40mm LxWxH: 600x400x540mm (storage system) Weight: approx. 20kg