Drawing Rockwell Hardness Testing Machine Diagram

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Drawing rockwell hardness testing machine diagram.

Portable dynamic hardness testing machines model. Indentron 400 series rockwell hardness testing system 11 1 4 tester diagram ni 400 series 1. Rockwell hardness tester presents direct reading of hardness number on a dial provided with the m c. The vickers test is often easier to use than other hardness tests since the required calculations are independent of the size of the indenter and the indenter can be used for all materials irrespective of hardness.

Handwheel cover plate 5. The rockwell scale is a hardness scale based on indentation hardness of a material. Test setup and operation 6 5 1 setting up indenter and anvil 6 5 2 selection of test load 6 5 3 load a test specimen 7 5 4 selecting time at load 7 5 5 initiating a test 7 5 6 test completion 7. High rockwell hardness numbers represent hard materials and low numbers soft materials.

Installation see parts location diagram on page 8 4 tester footprint drawing for bolting the tester to the work table. In all hardness tests a define force is mechanically applied on the piece varies in size and shape for different tests. Sleek handy design comes in a slim briefcase for carrying the machine. Motorised for automatic operation cycle i e load dwell unload.

Common indentors are made of hardened steel or diamond. There are different scales denoted by a single letter that use different loads or indenters. Smith and george e. The rockwell test measuring the depth of penetration of an indenter under a large load major load compared to the penetration made by a preload minor load.

Mainly used to check hardness in confined spaces on large heavy components permanently installed parts with low test expenditure. The vickers hardness test was developed in 1921 by robert l. Remote start connector optional 11. 98 07 n 10 kgf additional test force.

Elevating bearing cover 7. Range lever combination units 8. Sandland at vickers ltd as an alternative to the brinell method to measure the hardness of materials. 490 3 882 6 1373 n 50 90 140 kgf.

Principally this testing is similar to brinell hardness testing.