Machinery Diagnostic System, Base Unit

Machinery Diagnostic System, Base Unit The unit is perform the following experiments and investigations: 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 Supplied with follow Accessories for experiments; Computerised vibration analyser Elastic shaft kit Crack detection in rotating shaft kit Roller bearing faults kit Couplings kit Belt drive kit Damage to gears kit Crank mechanism kit Cavitation in pumps kit Vibrations in fans kit Electromechanical vibrations kit Brake & load unit Laboratory trolley Two displacement sensors PC1 Computer-System with 21" TFT-Monitor Win 10 engl. Specification: Base unit for machinery diagnostic training system Rigid base plate with workpiece holder slots Drive motor with variable speed via frequency converter Digital speed and power display 2 shafts: 1x short, 1x long 2 unbalanced flywheels with interchangeable balance weights Bearing blocks, roller bearings, interchangeable Fixing holes for vibration measuring sensor Flexible claw coupling and controlflex^r^ coupling Motor can be aligned obliquely and transversally Transparent protective hood Stackable system for components Technical Data: Base plate Length x Width: 1100x800mm M8-slots, spacing 50mm Asynchronous motor with frequency converter Drive power output: 0,37kw Nominal speed: 2800rpm Speed range via frequency converter 100...6000rpm 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) Control flex ^R^ coupling: nominal torque: 15Nm 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase 230V, 60Hz, 3 phases Dimensions and Weight Length x Width x Height: 1100x800x500mm (base plate + hood) Length x Width x Height: 475x420x200mm (control unit) Length x Width x Height: 600x390x325mm (storage system) Weight: 95kg (total) 1. Laboratory trolley Trolley for the Machinery diagnostic system, Blocan section, aluminium 4 castors, with brake Technical Data: Top area, Length x Width: 1100x770mm Dimensions and Weight Length x Width x Height: 1100x770x820mm Weight: 39kg 2. Computerised vibration analyser Within the context of the experiments in the complete Machinery diagnostic system, the following learning can be covered: Familiarisation with vibration signals Correct application of FFT analysis Measurement of speed, vibration displacement, vibration velocity and acceleration Assessment of the vibration state of a machine Damage analysis of roller bearings and gears by means of envelope spectra Detection of cracks in shafts by means of run-up curves and order analysis Measurement of imbalance vibrations and field balancing of rigid rotors in 1 and 2 planes Software for data acquisition via USB under Windows 7, 8.1, 10 Including PC1 Computer-System with 21" TFT-Monitor Win 10 engl. Technical Data: Acceleration sensors Frequency range: 1...10000hz Sensitivity: 100mv/g Resonance frequency: 32khz Optical speed sensor Sampling width: 3...150mm Laser class ii, 675nm Measuring amplifier Adjustable gain: x1, x10, x100 Powered by 12vdc power supply unit Length x Width x Height: 230x220x80mm USB box 16x analogue in, 2x analogue out Each 4x digital in/out 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase Dimensions and Weight Length x Width x Height: 600x400x220mm (storage system) Weight: 6kg 3. Brake & load unit Technical Data Continuous braking power: 450W/3000rpm Transmission ratio between brake shafts: i=3 Direct brake operation Speed range: 200...2000rpm Braking torque: 1...10nm Operation via belt drive Speed range: 600...6000rpm Braking torque: 0,3...3,3nm 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase Dimensions and Weight Length x Width x Height: 460x410x200mm (display and control unit) Length x Width x Height: 600x400x320mm (storage system) Weight: 30kg 4. Elastic shaft kit Technical Data: Elastic shaft Min. Diameter: ø=10mm Diameter at bearings: ø=20mm Length: 530mm Nominal length between bearings: 450mm Dimensions and Weight Length x Width x Height: 600x400x120mm (storage system) Weight: 6kg 5. Crack detection in rotating shaft kit Technical Data: Flange diameter: Ø=90mm 6 hexagon flange bolts M8x20 Shafts Diameter: Ø=20mm Short shaft: L=85mm Long shaft: L=200mm Max. Permissible bending torques Short shaft for belt pulley: 15,9Nm Long shaft for mass disk: 3,9Nm Dimensions and Weight Length x Width x Height: 400x300x120mm (storage system) Weight: 3kg 6. Roller Bearing Faults Kit Technical Data: Pendulum ball bearing Inside diameter: Ø=20mm Outside diameter: Ø=47mm Width: 14mm Number of rollers: 12 Dimensions and Weight Length x Width x Height: 400x300x120mm (storage system) Weight: 4kg 7. Couplings kit Technical Data: Pin coupling 1x centric pin 1x eccentric pin Eccentricity of pin: 1mm Max. Pitch fault: 180° ±1,909° Coupling stars for claw coupling 98 Shore A (red) 92 Shore A (yellow) 64 Shore D (green) 80 Shore A (blue, included in Machinery diagnostic system) Flange coupling Radial run-out (centre offset): 0,2mm Axial run-out: 0,4 ±0,1mm Dimensions and Weight Length x Width x Height: 400x300x170mm (storage system) Weight: 6kg 8. Belt drive kit Technical Data: V-belt pulleys Large: Ø=125mm Small: Ø=63mm Small, eccentric: Ø=63mm Axle centres: 300mm V-belt SPZ, 10mm wide Belt length: 912mm Dimensions and Weight Length x Width x Height: 600x400x170mm (storage system) Weight: 6kg 9. Damage to gears kit Technical Data: Transmission ratio i: 1:3 Centre distance adjustable Reference profile to DIN 867 Spur toothed gear sets Gear wheel: 75 teeth on each, m=2mm Pinion: 25 teeth on each, m=2mm Helical gear sets Gear wheel: 75 teeth on each, m=2mm Pinion: 25 teeth on each, m=2mm Helix angle: 10° Dimensions and Weight Length x Width x Height: 600x400x320mm (storage system) 10. Crank mechanism kit Technical Data: Stroke: 50 - 75 - 100mm Balance mass total 490g, rated for operation with 50mm stroke Bearing clearance: 0...1mm Pressure spring Relaxed length: 170mm Spring stiffness: r=0,55N/mm Dimensions and Weight Length x Width x Height: 600x400x170mm (storage system) Weight: 8kg 11. Cavitation in pumps kit Technical Data: Centrifugal pump Max. Flow rate at 3300rpm: 17l/min Max. Head at 3300rpm: 12m Impeller with 3 blades Min. Speed for cavitation: 2240rpm (with restriction on intake side) Tank Material: HDPE Capacity: 20L Manometer Delivery side: 0...4bar Intake side: -1...1,5bar Dimensions and Weight Length x Width x Height: 600x400x320mm (storage system) Weight: 16kg 12. Vibrations in fans kit Technical Data: Sheet-steel fan rotor 3 blades 5 blades 7 blades Ø 204mm Speed: 3000rpm Protective disk, made of aluminium Ø 220mm Dimensions and Weight Length x Width x Height: 400x300x320mm (storage system) Weight: 6kg 13. Electromechanical Vibrations Kit & Two Displacement Sensors Influence of the gap on vibration behaviour Influence of electromagnetic asymmetry on vibration behaviour Influence of the load on the level of vibration Influence of the gap on electromagnetic losses and efficiency Influence of speed on vibration behaviour Understanding and interpreting frequency spectra Use of a computerised vibration analyser In conjunction with a current measuring probe Measurement of current consumption per phase Technical Data: Asynchronous motor with variable speed Speed range: 100...6000rpm Nominal power output: 370w Eccentricity of armature: 0...0,2mm Dimensions and Weight Length x Width x Height: 400x300x320mm (storage system) Weight: 11kg.

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