Simulation of hand abrasion

The TRIBOTOUCH features real life testing on finished products or lab samples according to national and international specifications as well as to company standards.


 

Function

Hand abrasion is a very complex chemical and mechanical combination. The impact of the hand (finger) on the surface leads to a local mechanical crushing, followed by a friction movement. The visco-elastic material properties of the human hand, in combination with the rough and structured surface of the skin, cause high abrasion potential. In addition, hand perspiration or hand cream creates an aggressive chemical environment.

 

This friction movement of the hand on the surface can cause (too) high stress on the surface of a product.

The TRIBOTOUCH is exactly reproducing the act of a finger touching the surface. The piston is moving with a normed speed and under a 45° angle onto the surface. After touching the surface the piston is sliding a predefined distance on the surface.

 

The human hand/finger consists of a visco elastic material containing a rough and structured surface. The visco-elasticity of the finger is reproduced by a silicone material; the structure of the skin is simulated by a normed cotton textile. In addition, sweat, body oils, and/or consumer care products can be added to create a real life environment.

 

Norms / Specifications

International Norm: IEC 68-2-70 

European Norm:  EN 60068-2-70 

German Norm:  DIN 60068-2-70

Abrasion of markings and letterings caused by rubbing of fingers and hands.

 

Technical Data

Normal load:  1, 5, 10N (20N optional)

Friction path:  1 - 40mm

Number of cycles:  1 -100 million

Fluid feed:  cyclic

Fabric feed:  cyclic

Temperature: -40° to +85°C *

Power supply:  110V / 230V

Weight: 95kg


* for TRIBOTOUCH-Clime only


Company Standards

BMW GS 97034 / GS 97045 

Daimler DBL 7384 
Ford WSS-M2P188-A1 
EWIMA specification 
Sony Ericsson 45/152 41-FEA 202 8139 Uen

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