a brief presentation of - dana · a brief presentation of. 2 people & test rigs • 1 manager...
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Off-Highway Europe EngineeringA brief presentation of
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People & Test Rigs
• 1 Manager
• 1 Workshop & Logistics Supervisor
• 6 Test Engineers
• 8 Test Technicians
• 1 Clutch test rig
• 2 Fatigue test rigs
• 2 Dynamometer test rigs
• 4 Functional transmission test rigs
• 5 Hydraulic test rigs
• 7 Engine (Endurance) test rigs
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Classification of tests
• “Device Under Test ”– Component– Subassembly & assembly– Transmission– Vehicle
• Duration– Functional– Life time (Endurance)
• Source– New Product Development– Product Engineering– Production– Service & Warranty– Purchasing
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Goals of tests
• Validating design models
• Defining accurate values forthe parameters of the design models
• Checking functionality of prototypes
• Checking life time behavior of prototypes
• Checking supplier information
• Validating production methods
• Making testing obsolete …
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Types of tests …
The standard component & (sub) assembly’s tests are:
• Clutch– Closing– Inching– Drag measurement– Fatigue
• Valve behaviour
• Shaft– Distribution of oil flows (static & dynamic)– Fatigue (torque, bending, torque & bending)
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Types of tests (2)
The standard transmission tests are:
• Functional
• Drag & efficiency measurement
• Noise measurement
• Gear & Bearing , using a brake as static load
• Forward-Reverse , using a flywheel as dynamic load
• Range , using a brake as dynamic load
• Inching : continuous or intermittent, blocked or loaded
• Power Take Off : loaded by a hydraulic load
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Hydraulic Test Rigs
• Designed & built by TTC personnel• Can operate in manual or automated mode• Computer controlled• Loads components with oil pressure & flow
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Fatigue Test Rigs
• Torsion (25 kNm) & Bending
• Shafts & Clutch Drums
• Supplier of 1st: MTS (USA)
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Dynamometer Test Rigs
• Electric drives:– 150 kW– 300 kW
• Electric brakes:– 215 kW– 350 kW
• Tests:– G&B– Efficiency– Noise
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Engine Transmission Test Rigs
• Diesel engines from 75 to 320 kW• Flywheels till 120 kg.m²• Electric, low inertia brake of 260 kW• Eddy current brakes till 1200 kW• F/R, G&B, Range, PTO, Kick down & Inching tests
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Test Track
• 140 m long
• 2 roundabouts
• 15% hill of 15 m
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Measurement equipment
LABVIEW(NI)