Mattress Spring Fatigue Tester ASTM D3574

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Whats/App: +86 185 0176 3615

Web: qinsun-lab.com

The King Size Foam Fatigue Tester is used for fatigue and durability evaluation of the following products:

Full foam mattresses (polyurethane foam, memory foam)

Latex mattresses

Hybrid mattresses (foam combined with spring or latex layers)

Mattress core foam blocks and assembled mattress systems

Large-size cushioning foam products

Mattress prototypes during product development

Production quality control and type testing of mattresses

Standards

The King Size Foam Fatigue Tester complies with or references the following standards:

ASTM D3574 – Dynamic Fatigue Test by Constant Force Pounding

ISO 2439 – Determination of indentation hardness and deflection

GB/T 26706 – General Technical Requirements for Mattresses (related clauses reference)

Parameters

Parameter	Unit	Specification
Test Station	—	Single station
Applicable Mattress Size	—	King size, California King
Loading Method	—	Pneumatic
Loading Mode	—	Constant force / constant displacement
Maximum Test Frequency	cycles/min	≤ 70
Cylinder Stroke	in	12 (customizable)
Indenter Diameter	mm	250
Load Measurement	—	Fatigue-rated load cell
Load Cell Capacity	lb	500
Positioning System	—	Manual X–Y gantry
Sample Retention	—	Four adjustable corner retainers
Control System	—	PLC with touchscreen interface
Air Supply Requirement	PSI	80
Power Supply	—	120 VAC

Features

Large test platform suitable for King and California King mattresses

Dual testing modes supporting constant force and constant displacement fatigue tests

Pneumatic loading system designed for high-cycle durability testing

Fatigue-rated load cell ensuring stable and repeatable dynamic load measurement

Manual X–Y gantry system allowing fatigue testing at any mattress location

Adjustable four-corner sample retainers for secure mattress positioning

High-frequency operation up to 70 cycles per minute to improve test efficiency

Touchscreen PLC control system for parameter setting, monitoring, and test control

Modular design supporting optional indenter sizes, stroke lengths, and load cell capacities

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