Surface hardness testing apparatus

Details Surface hardness testing apparatus Surface hardness testing apparatus

1977-04-18

1978-08-01

Myracle, Jerry W.

Measuring and testing

Hardness

By penetrator or indentor

G01N 346

Patent

active

041035380

ABSTRACT:
An apparatus for measuring the hardness of a succession of adjacent portions of a test surface, utilizes a pair of members which are supported for independent movement in close, side-by-side relationship in engagement with a test surface. One of the members is a "penetration member" which is selectively loaded with a controlled weight for penetrating the test surface. The other of the members is a "sensor member" which is held relatively gently against the test surface. A motion sensing transducer is interposed between the two members to sense the depth of penetration of the penetration member into the test surface. The members are pivotally mounted on an adjustable positioning mechanism in such a manner that the controlled loading applied to the penetration member is not transmitted to and does not distort sensor data provided by the sensor member. Loading is transmitted to the penetration member through a hardened steel ball to eliminate transverse force components and bending moments. Other features are described which enhance the accuracy of operation of the sensing apparatus.

REFERENCES:
patent: 2620655 (1952-12-01), Priest

Affiliated with

Also associated with

Rating

Surface hardness testing apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Surface hardness testing apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Surface hardness testing apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1974768