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2 Station Sequential Fatigue Tester

Get a quote:

Whats/App: +86 185 0176 3615

Web: qinsun-lab.com

1. Function and Application

The 2 Station Sequential Fatigue Tester is a pneumatically driven cyclic load testing machine designed to apply repeated forces on test specimens to evaluate durability and fatigue life.

This PC-controlled tester allows fully programmable load profiles and precise bidirectional load applications.

It is widely used for evaluating the fatigue performance of seats, foams, cushioning materials, and other mechanical components.

2. Applicable Test Standards

ASTM D3574 – Dynamic Fatigue Test by Constant Force Pounding

ISO 3385 – Flexible Cellular Materials – Determination of Fatigue by Constant Load Pounding

SAE J2896 – Automotive Seat Durability Test Procedures

OEM / Custom Test Specifications – Available upon request

3. Technical Specifications

ItemSpecification
Load Capacity Up to 460 lbs (210 kg) in either direction
Air Supply 100 PSI (shop air)
Cylinder 2½″ bore × 10″ stroke tie-rod type with center trunnion mount
Vertical Adjustment Approx. 30″ via manual screw jack
Lateral Motion Approx. 6″ side-to-side (expandable by repositioning stand)
Load Cell 500 lb capacity, fatigue-rated, closed-loop control feedback
Bedplate 1″ thick precision-ground steel surface with ½″–13 tapped holes on 4″ centers
Motion Control Servo-pneumatic directional valve for forward/reverse control
Software System PC-based Visual Basic interface with programmable waveform and sequence setup
Cycle Control Fully programmable sequences with loop repetition
Power Supply 115 V.A.C., single phase
Operating Mode Constant force or constant displacement
Control Console Floor-standing main console with remote local control and troubleshooting functions

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