LT-JJ29 Computer Type Mattress Comprehensive Test Machine

Short Description:

Mattress rolling durability test is the simulation of human sleep constantly rolling and design machine, rolling durability is using a rolling loading module in horizontal mattress loading parts, at a certain frequency, the mattress reciprocating loading, to test the mattress for long-term repetitive rolling load capacity, mattress edge durability is mainly testing the mattress edge durability, pavement soft test is the hardness of the mattress, meet the requirements of all kinds of mattress manufacturers and standards. To determine the quality and service life of the mattress, strictly comply with the requirements of national standards for mechanical testing. Suitable for powerful spring mattress, ordinary spring mattress, foam mattress, brown fiber elastic mattress, etc.

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**Technical Parameter**
Control mode	computer control
Pavement durability test device	1.Mechanical device that can drive the roller to do relatively horizontal movement on the surface of the mattress: the rotating moment of inertia of the roller is (0.5 ± 0.05) Kgm 2, the loading frequency should be (16 ± 2) times / min, the static load is (1400 ± 7) N, and the test number is> 30000 times; 2.Roller: oval, shape size tolerance of ± 2mm, the surface should be hard, smooth, no scratches and other surface defects, length (1000 ± 2) mm, friction coefficient between (0.2~0.5), roller chamfer: R30, roller maximum diameter: 300 ± 1mm; 3.Motor: Japan Panasonic servomotor; 4.Test trip: 250mm each around the center line of the mattress; 5.The accuracy of the force measuring device shall not be less than 1%, the accuracy of the dimensional device shall not be less than 1mm, and the position deviation of the load block shall be ± 5mm.
Side durability test device	1.Loading pad size: 380 * 495 * 75mm, its surface is hard and smooth, it is connected with the test equipment, and can rotate around the horizontal axis on the vertical plane; 2.Vertical downward loading force: 1000N; 3.Total test times: 5,000 times; 4.Guarantee load time: (3 ± 1) s.
Height measuring device	1.Height measurement accuracy: ± 0.5mm; 2.Height measurement pad block: the measurement surface is a smooth and smooth rigid cylinder; 3.Measure the diameter of the pad: 100mm, chamfer R10; 4.Force speed of pad: 100 ± 20mm / min; 5.Vertical downward force: apply 50N force, and measure the distance between the flat surface and the lower surface of the circular pad as the height of the mattress pad;
Soft and hardness test device	1.Load pad: a rigid cylinder with smooth surface and diameter of 355mm, the end surface is a protruding spherical surface, the spherical radius of curvature is 800mm, its front edge radius of curvature is 20mm; 2.Loading capacity: 1000N; 3.Running speed during loading and unloading: (90 ± 5) mm / min, the system can reach 0.01-200mm / min; 4.Loading deflection curve: the relationship between the force value of the loading pad on the specimen and the corresponding depression value;
Appearance	the frame adopts advanced industrial aluminum profile, cross-sectional area
Test table material	base is advanced industrial aluminum, table is stainless steel.
Height of test table	180mm
Overall dimensions	3320 * 2400 * 2280mm
Weight	about 1.8 tons
Power supply and power	AC220V 50HZ
Maximum test sample range	2400mm 2400mm 440mm
Test speed	90mm / min; 100mm / min