CASE STUDIES
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 welding 
 
WELDINGS!

Vickers hardness tester for automatic measurements on weldINGs

 Vickers hardness tester for welds
 
The WIKI 200 for welds, Vickers hardness tester is a special automatic hardness instrument suitable for testing welded parts. The system is manufactured with a motorized XY stage for automatic multi-test Vickers testing cycle from 100gf to 30kgf. The hardness testing unit is an automatic system with load cells and Closed Loop.
 
 
  VICKERS     KNOOP     SUPERFICIAL ROCKWELL     BRINELL HBW  

Test loads: From 0.1 to 30 kgf (From 0,9807 to 294.2 N)

Optional loads: Load extensions from a minimum of 0.1 gf up to 100 kgf (0.0009807 to 980.7 N)

Vickers ISO 6507 / ASTM E-384 / ASTM E-92: HV0.1 - HV0.2 - HV0.3 - HV0.5 - HV1 - HV2 - HV3 - HV5 - HV10 - HV20 - HV30

Knoop ISO 4545 / ASTM E-384 / ASTM E-92: HK0.1 - HK0.2 - HK0.3 - HK0.5 - HK1 - HK2

Rockwell Superficial ISO 6508 / ASTM E-18 (option): HR15N - HR30N - HR15T - HR30T

Brinell HBWT ISO 6506 / ASTM E-10 (option): HBW 1/1 - HBW 1/1.25 - HBW 1/2.5 - HBW 2.5/62.5 - HBW 1/5 - HBW 1/10 - HBW 1/30 - HBW 2.5/6.25 - HBW 2.5/7.8125 - HBW 2.5/15.625 - HBW 2.5/31.25


 

Case study

Customer needs:
A motorized and automatic Vickers hardness tester to test a large variety of welded samples with the capabilities to test specific zones of the welded part performing a series of indentations at various distances.

Problem:
With the need to manually perform multiple tests on welds per day, operators are risking the accuracy of their testing ability and the capability to work on laboratory jobs is greatly diminished. Testing many welds per day becomes very time consuming for the operator effectively reducing productivity. Pinpoint accuracy of testing in the right area of the welding zones (base material, HAZ heat affected zone and weld material) is inconsistent. There is a need for an easy procedure for the operator to produce and analyze testing results/reports instantaneously.

AFFRI solution:
We have manufactured the WIKI JS for welds, a fully automatic system with specific features for testing on non-mirror surfaces and not-flat samples.
- A 340 x 250 mm motorized stage with a travel range of 200 x 100 mm and an accuracy of +/- 0.5 μm steps.
- Our exclusive software with preset testing programs and ranges of result tolerances for hard and soft zones of the same weld.
- Monitored Z axle position for assuring the focusing on each indent, even on unlevelled surfaces.
- Colour highlighted results on the panoramic picture of the whole weld to see the hardness behavior in a second.  

RESULTS:
The AFFRI WIKI 200 for welds hardness tester, allows for automatic testing results on a variety of welds every day. The operators are satisfied for the ease of operation of this tester and the fact that they are able to manage a large quantity of tests per day. The time saving advantages for customers using this new system has resulted in a large, fast ROI (return on investment) saving time and money.  

 
 
 
 

Main features

TEST EVERYWHERE!
 

Vickers hardness tests on a weld
 
The hardness tester performs each test in automatic succession. Everything is automated, freeing users for other tasks and minimizing subjectivity associated with human intervention. 

HARDNESS AT A GLANCE
 

Hardness mapp with color
 
At the end of the run, the software will show a colored map of the surface where the difference in colors is related to variations in hardness.

CONTROL WITH A TOUCH
 

Auto-contact indenter with surface
 
The surface of the sample is automatically recognized and the Z quote saved in the software. In every zone of the sample the hardness tester doesn't miss the focus.
 

THE SHAPE YOU LIKE
 

Hardness test on a welded part with T shape
 
Using software’s tools it is easy to draw different indentation patterns lines with correct and precise positioning. Define spacing between indents and the distance from the border, from fusion line or weld centerline.

CLICK AND PRINT
 

Hardness report of a welded part
 
Customizable test report with client logo and sample information. See weld image, pattern, results and statistics. Manage results and group curves together.

HEIGHT DOESN'T MATTER
 

Safety sensor for turret protection
 
The automatic recognition of the sample and the safety sensors of the measuring unit allows tests on unlevelled parts without the risk of bracking the indenter and the optics.

 

TECHNICAL FEATURES

  WIKI 200 WELD
Standards
DIN-EN-ISO 6506 / DIN-EN-ISO 6507 / DIN-EN-ISO 6508 / DIN-EN-ISO 4545 / ASTM E-92 / ASTM E-384 / ASTM E-10 / ASTM E-08 / JIS B 7734
X/Y table
Customizable depending on sample dimension
Vertical head stroke
0/300 mm fully motorized (more on request)
Depth capacity
135 mm (more on request)
Preload
29.4 - 98.1 N (3 - 10 kgf) - Automatic
Force range
Standard: From 0.01 to 10kgf (0.09807 to 98.07 N) or 0.1 to 30 kgf (0.9807 to 294.2 N)
At request: Load extension from a minimum of 0.1 gf up to 100 kgf (0.0009807 to 980.7 N)
Feasible tests

Vickers ISO 6507 / ASTM E-384 / ASTM E-92: HV0.1 - HV0.2 - HV0.3 - HV0.5 - HV1 - HV2 - HV3 - HV5 - HV10 - HV20 - HV30

Knoop ISO 4545 / ASTM E-384 / ASTM E-92: HK0.1 - HK0.2 - HK0.3 - HK0.5 - HK1 - HK2

Rockwell Superficial ISO 6508 / ASTM E-18 (option): HR15N - HR30N - HR15T - HR30T

Brinell HBWT ISO 6506 / ASTM E-10 (option): HBW 1/1 - HBW 1/1.25 - HBW 1/2.5 - HBW 2.5/62.5 - HBW 1/5 - HBW 1/10 - HBW 1/30 - HBW 2.5/6.25 - HBW 2.5/7.8125 - HBW 2.5/15.625 - HBW 2.5/31.25

Load accuracy
Better than 0.1 %

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