Dimensional metrology, shaft Measurement exercises on 10 shafts with calliper, depth calliper, external micrometer, slip gauges and thread gauge Features - 10 shafts as test objects and various test equipment - testing of: threads, diameters, lengths, depths - digital multimedia teaching material online in the GUNT Media Center: E‑Learning course, drawings, worksheets - part of the GUNT DigiSkills 2 learning project Learning objectives/experiments - fundamentals of metrology: testing/measuring/gauging - familiarisation with basic test equipment -- calliper -- depth calliper -- external micrometer -- thread gauge -- slip gauge - measure specified lengths, depths and diameters - dimension test with slip gauge - compare specified thread with gauge - keep measuring log - estimate/assess measurement deviations - familiarisation with general tolerances according to ISO 2768-1 - recognise typical errors -- systematic errors -- random errors - develop digital skills -- research information in digital networks and obtain information from digital networks -- use digital learning media, familiarisation with and use of web-based training (WBT) -- use assistance, simulation, diagnosis or visualisation systems, e.g. QR codes, CAD viewer tool Specification [1] practice kit with test objects and and test equipment provides basic measurement exercises of dimensional metrology for metalworking professions [2] part of GUNT DigiSkills: vertical teaching of digital skills in complex learning projects [3] testing of threads, diameters, lengths, depths [4] measurement exercises on 10 test objects: shafts each with individual dimensions [5] stainless steel test objects [6] sturdy storage system with labelled foam inlay [7] digital multimedia teaching material online in the GUNT Media Center: E‑Learning course, drawings, worksheets – with solutions for teaching personnel [8] online access to the GUNT Media Center Technical data Test objects - 10 shafts with individual dimensions - testing of: -- lengths -- depths -- diameters -- threads - material: stainless steel Test instruments - calliper: 0...150mm -- reading accuracy: 0,05mm - depth calliper: 0...150mm -- reading accuracy: 0,05mm - external micrometer: 25...50mm -- reading accuracy: 0,01mm - 3 slip gauges -- nominal dimension: 10mm, 50mm, 90mm -- tolerance class 2 acc. to DIN EN ISO 3650 - thread gauge -- metric thread, Whitworth thread, Whitworth pipe thread -- 58 leaves LxWxH: 600x400x185mm (storage system) Weight: approx. 8,5kg