Assembly exercise: planetary gear Design and function of a planetary gear; 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 planetary gear with fixed hollow wheel - 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 planetary gear unit [2] part of GUNT DigiSkills and of the GUNT Practice Line for assembly, maintenance and repair [3] disassembled planetary gear with set of small parts and 4 assembly jigs, housed in a storage system with foam inlay [4] gear unit comprising input housing, hollow wheel housing, output housing, drive shaft with sun wheel, output shaft with planet carrier, bearings [5] augmented reality: visualisation of machine elements, display of exploded views, functions [6] multimedia instructional materials: PDF, CAD files, STEP files, videos [7] online access to the GUNT Media Center Technical data Gear dimensions without shaft connections - LxWxH: 140x115x115mm Transmission ratio - sun wheel -- number of teeth: z=24 -- real pitch module: m=1mm - planet gears -- quantity: 3 -- number of teeth: z=36 -- real pitch module: m=1mm - hollow wheel -- number of teeth: z=96 -- real pitch module: m=1mm - transmission ratio: i=5 Nominal torque at output - 160Nm at 3000min-1 Shaft connections - drive: ØxL: 14x34mm - output: ØxL: 30x45mm LxWxH: 600x400x590mm (storage system) Weight: approx. 25kg