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Metaldyne response to Renault Samsung Motors Inquiry on BSM Engineering Development September 9, 2005. Full Powertrain System Performance Testing. 300 hp continuous rating 125 mph speed rating Full powertrain motoring 10,000 lb GVW 125 Hz cut-off frequency NC30 noise rating.
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Metaldyne response to Renault Samsung Motors Inquiry on BSM Engineering Development September 9, 2005
Full Powertrain System Performance Testing • 300 hp continuous rating • 125 mph speed rating • Full powertrain motoring • 10,000 lb GVW • 125 Hz cut-off frequency • NC30 noise rating Nissan Frontier vehicle with TR2K Engine shown in Metaldyne’s vehicle hemi-anechoic chamber
Engine / System Performance & Validation Testing Engine NVH Dynamometer Cell
Balance Shaft Module Test Facilities • 6 fully enclosed BSM test cells. • Piped in oil delivery for safe changeovers. • Block construction for operator safety. • Closed test environment for noise, fire, and debris containment. • Supplementary tooling allows for specific program testing on any rig.
Balance Shaft Module Rig Testing DVP Testing • Pre-shipment screening • Power Consumption • Oil Aeration / Purge Time • Reliability / Durability • Gear Backlash Sensitivity • Thermal Cycling • Housing Twist Sensitivity • Bearing Temperature • Housing Strain 7 BSM Durability & Performance Test Stands
Component Noise Testing Open-air BSM Test Stand • Component noise analysis & optimization • Accelerometer versus microphone • Acoustic holography • Temperature sensitivity • Torsional excitation • NVH Benchmarking BSM NVH Test Cell
Mounting Plate Right Mic (not shown) BSM Oil Intake Rear Mic Left Mic Oil Discharge M1G BSM NVH Benchmark testing on open-air test stand Test setup conditions • 0 to 4,000 RPM speed sweep • 65 RPM / second sweep rate • Oil pump system functional • No torsional excitation • 93° C oil temperature • Ambient test temperature M1G BSM mounted on Metaldyne Open-air BSM Test Stand
Left (oil filter) side microphone NVH Benchmark comparison testing on open-air test stand dB (A) scale 45 - 80 dB (A) scale 45 - 80 Current Production Nissan M1G BSM Current Production Metaldyne 2.4L Gasoline Engine BSM • ~3.5 Kg-mm unbalance • 2 x ERPM oil pump • 3.73 Kg-mm unbalance • 2 x ERPM oil pump The proof is in the results . . .
NVH Benchmark comparison testing on open-air test stand Right side microphone dB(A) scale 45 - 80 dB(A) scale 45 - 80 Current Production Nissan M1G BSM Current Production Metaldyne 2.4L Gasoline Engine BSM • ~3.5 Kg-mm unbalance • 2 x ERPM oil pump • 3.73 Kg-mm unbalance • 2 x ERPM oil pump The proof is in the results . . .
NVH Benchmark comparison testing on open-air test stand Rear microphone dB(A) scale 45 - 80 dB(A) scale 45 - 80 Current Production Nissan M1G BSM Current Production Metaldyne 2.4L Gasoline Engine BSM • ~3.5 Kg-mm unbalance • 2 x ERPM oil pump • 3.73 Kg-mm unbalance • 2 x ERPM oil pump The proof is in the results . . .