Machinery diagnostic system, base unit Base unit for setting up wide ranging experiments in machinery diagnostics using modular accessory sets Features - base unit for setting up wide ranging experiments in machinery diagnostics using modular accessory sets - aluminium base plate with slots for quick, flexible assembly of different experimental setups Learning objectives/experiments - introduction to vibration measuring methods on rotating machinery systems -- fundamentals of measurement of shaft and bearing vibrations -- basic variables and parameters -- sensors and measuring devices -- influences of speed and shaft layout -- influence of sensor positioning - field balancing of rigid shafts - influence of alignment between motor and coupling - understanding and interpreting frequency spectra - use of a computerised vibration analyser Specification [1] base unit for machinery diagnostic training system [2] rigid base plate with workpiece holder slots [3] drive motor with variable speed via frequency converter [4] digital speed and power display [5] 2 shafts: 1x short, 1x long [6] 2 unbalanced flywheels with interchangeable balance weights [7] bearing blocks, roller bearings, interchangeable [8] fixing holes for vibration measuring sensor [9] flexible claw coupling and ControlflexR coupling [10] motor can be aligned obliquely and transversally [11] transparent protective cover with safety features ensure safe operation [12] stackable system for components Technical data Base plate LxW: 1100x800mm - M8-slots, spacing 50mm Asynchronous motor with frequency converter - drive power output: 0,37kW - nominal speed: 2800min-1 - speed range via frequency converter 100...6000min-1 - display and control unit with digital power and speed display 2 shafts: Ø=20mm, length 300mm, 500mm 2 unbalanced flywheels: Ø=150mm, each 1675g, with interchangeable balance weights (bolts) 2 bearing blocks with roller bearings 6004 (can be exchanged) ControlflexR coupling: nominal torque: 15Nm 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase 230V, 60Hz, 3 phases LxWxH: 1100x800x500mm (base plate + cover) LxWxH: 475x420x200mm (control unit) LxWxH: 600x390x325mm (storage system) Weight: approx. 95kg (total)