Catalog excerpts
Medium-Force Electrodynamic Vibration Systems left: V8-440, trunnion-mounted with Lin-E-Air suspension; centre: combo shaker with slip table and guided head expander; right: SPA-K amplifier Mounting Selection ▪▪ Base-mounted ▪▪ Lin-E-Air air isolated trunnions Other Options ▪▪ Combo slip table ▪▪ V-groove castors ▪▪ Air glide ▪▪ Chamber floor support ▪▪ Silencer for shaker cooling fan ▪▪ Thermal management ▪▪ Head expander The LDS® V8 series shaker system is ideal for vibration and mechanical shock testing using sinusoidal, random, or transient excitation. V8 systems are available in armature sizes of 440 mm (17.32 in) and 640 mm (25.20 in). Systems are available in various forms to meet customers' exact requirements, for example: Lin-E-Air trunnion-mounted with a body rotation gearbox; combined with a horizontal hydrostatic slip tabl
Open the catalog to page 1
Maximum Force Ratings for System Configurations Sine Force (peak) V8-440 Half-sine Shock Force* V8-440 * Random and shock ratings assume a payload approximately twice the mass of the armature. Half-sine shock force is calculated with the standard payload, 2 ms pulsewidth, 10% pre/post pulse. V8 Shaker Specification LDS Shaker Model Armature Diameter Usable Frequency Range Acceleration (sine peak)† Acceleration Random (rms)† Effective Mass of Moving Elements (Armature with Raised Inserts) Suspension Rotational Stiffness Suspension Cross-axial Stiffness Stray Magnetic Field§ Base-mounted...
Open the catalog to page 2
Typical Vibration Test System amplifier input signal accelerometers for control and monitoring Control Equipment Payload vent to outside interlock signals centre positioning signal armature drive field supply degauss supply 3-phase supply SPA-K Amplifier SPA-K Amplifier Specification Power Range Signal-to-Noise Ratio Cooling Airflow Total Harmonic Distortion 0.5 to 0.8 % at rated output into rated resistive load Input Sensitivity # Includes requirements from cooling fan and system ancillaries in steady state. Input Impedance Switching Frequency Efficiency Rated Output Voltage Continuous...
Open the catalog to page 3
Standard Ancillaries Contains: ▪▪ Emergency stop ▪▪ Lin-E-Air suspension air control valve ▪▪ Armature position indicator ▪▪ Test load control valve Shaker Cooling Fan V8 Cooling Fan 50 Hz Cooling Fan without Silencer (H x W x D) Cooling Fan with Silencer (H x W x D) Cooling Fan Shipping Weight Environment, Supply, and Safety Electrical and Compressed Air Supply Max. Acoustic Noise* SPA-K Amplifier Cooling Fan Total Heat Dissipation: Shaker (from body) SPA-K Amplifier Cooling Airflow: Shaker via Cooling Fan SPA-K Amplifier Standard: 380 to 500 V, 50/60 Hz Low Voltage Option: 200 to 220 V,...
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