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TM 262: Hertzian Contact Apparatus

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Hertzian Contact Apparatus

Hertzian Contact Apparatus Hertzian Contact Apparatus

Product Details


Technical Description 
 
This portable unit demonstrates the characteristics of the contact area in the case of Hertzian contact.

A pressure pad made of rubber is pressed against a transparent plastic plate using a lever. Plate and pressure pad are convex. In this way both circular and also elliptical contact areas can be generated.

The force on the lever is measured with the aid of a spring balance and the contact area is measured. This can be clearly seen as it is illuminated from the side by a halogen lamp.

Learning Objectives / Experiments
 
- Characteristics of the contact area on point contact
  with varying contour radii
- Characteristics of the contact area as a function of
  the contact force
- Influence of an additional transverse component in
  the contact force

Features
 
* Demonstration of the characteristics of a contact area
  particularly easy to see due to use of transparent
  plastic with silicone rubber

Specification

[1] Benctop experiment for demonstrating Hertzian contact
[2] Pressure pad made of silicone rubber
[3] Transparent plastic pressure plate
[4] Dynamometer spring balance
[5] Sliding device for spring balance to allow continuously adjustable contact force
[6] Optimal illumination of the contact area using halogen light from the side
[7] Sturdy metal chassis with rubber feet

Technical Data
Spring balance
- 0...25N, graduations: 0.5N
Pressure pad: 60 Shore
Halogen lamp
- voltage: 12V
- power: 20W

Dimensions and Weight
l x w x h : 400 x 400 x 530 mm
Weight : approx. 16 kg

Connections
230V, 50/60Hz, 1 phase

Scope of Delivery
1 complete experimental apparatus
1 instruction manual

Order Details
040.26200  TM 262  Hertzian Contact Apparatus

Alternative products
 
TM 260.02 -- Experimental Module Optical Elastohydrodynamics

SELKA GmbH, Hamburg
Grindelallee 188, 20144 Hamburg / Germany
Tel.: + 49 (0) 40 343453 |  Fax: +49 (0) 40 63657075
E-Mail:
info@selkagmbh.com   |  Internet: http://www.selkagmbh.com

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