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Home » Products » AFFRI Hardness tester » Universal Testing Machine

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ILAC Calibration Material Testing Machines / Tensile Tester Torque Testing Machines AFFRI Hardness tester Tape Tester Textile Toothbrush Dimensional measurement Temperature and Humidity Paper / leather / cloth Abrasion Tester Impact test Fatigue life test Preprocessing Rubber and plastic Other
  • Universal Testing Machine

Universal Testing Machine

Universal hardness tester for Vickers, Rockwell, Superficial Rockwell and Brinell hardness test methods in compliance with ASTM and ISO hardness standards. LD 250 is a top level bench hardness tester for fully automatic test cycles including indentation autoreading through the high resolution camera. It is entirely motorized and equipped with an automatic turret with indenters and magnification lenses. LD250 allows hardness testing in different hardness scales with just one testers, without the need of several testers in own laboratory. Load forces are applied through load cells and electronically controlled in Closed Loop (Pat. Affri). Wide touchscreen for easy test planning and a clear view of results. Statistics and charts are automatically generated and can be stored with test sessions in the large archive. User friendly interface with conversion tables and round correction values for tests on covex cylindrical surfaces or various diameters. Hardness tests on all metals: iron, steel, tempered steel, cast iron, brass, aluminum, copper and metal alloys. Heat treatment, hardening, nitriding, cementation and hardfacing. Knoop test on ceramic and glass materials.
Model : LD 250

  • Description
  • Specifications


Test loads: Depending on the models - From 1 to 3000 kgf (From 9,807 to 29421 N)

Rockwell ISO 6508 / ASTM E-18: HRA - HRB - HRC - HRD - HRF - HRG - HRL - HRM - HRR / HRN - HRT

Brinell HBW e HBWT ISO 6506 / ASTM E-10: HBW1/30 - HBW2.5/15.625 - HBW2.5/31.25 - HBW2.5/62.5 - HBW2.5/187.5 - HBW5/25 - HRW5/62,5 - HBW5/125 - HBW5/250 - HBW5/750 - HBW10/100 - HBW10/250 - HBW10/500 - HBW10/1000 - HBW10/1500 - HBW10/3000
HBWT2.5/62.5 - HBWT2.5/187.5 - HBWT5/125 - HBWT5/250 - HBWT5/750 - HBWT10/500 - HBWT10/1000 - HBWT10/1500 - HBWT10/3000

Vickers ISO 6507 / ASTM E-384 - Knoop ISO 4545: HV1 - HV2 - HV3 - HV5 - HV10 - HV20 - HV30 - HV50 - HV100



ONLY ONE INPUT FOR THE ENTIRE TEST CYCLE

CLOSED LOOP (PAT. AFFRI)


The hardness tester’s head moves down until contact is made, clamps the piece, applies the force and make the indentation. The software will move to the camera view mode where the indent is automatically measured.




Closed loop load cells control load forces with a frequency of 1 khz, assuring perfect linearity in every range. Results are not affected by any structural deflection, misalignment or vibration.

MOTORIZED HEAD


WIDE WORKHOLDER

Automatic movements with automatic stop when contact is made. Up to 300 mm of motorized vertical stroke. The approach of the head to the peace and not the opposite allows more accurate, scable and safe measurements.


Supports masses beyond 2000 kg and special fixtures or anviling. Hardness measurements on bulky and irregular test pieces which cannot be easily reached by the regular bench hardness testers.

CLAMPING SYSTEM (PAT. AFFRI)

MOTORIZED TURRET (INDENTER/OBJECTIVE)


Secure contact with the specimen is always mantained, even in the unlikely event of any specimen movement during the operation cycle. The clamping system assures perfect stability of any test piece throughout the test cycle.


One slot for an indenter and one slot for an objective. Auto-rotating and auto-tool-switching for a complete automatic measurement cycle.

SOFTWARE LD 250




The preinstalled software controls the whole instrument avoiding setting errors or operators mistakes:
Powerful software for test cycle managing and automatic indent reading. Wide settings parameters for measurement setup, image adjustments, statistics and data storage.


 
LD 250
Standards
EN-ISO 6506 / EN-ISO 6507 / EN-ISO 6508 / EN-ISO 2039 / EN-ISO 7619 / EN-ISO 868 / ASTM E-103 / ASTM E-18 / ASTM E-10 / ASTM E-384
XY Table
330 x 390 mm
Vertical head stroke
390 mm Motorized
Indenter and clamping hood stroke
0/30 mm Motorized
Depth capacity
190 mm
Reading
Focus: automatic and manual - Reading: automatic and manual
Preload
29.4 - 98.1 N (3 - 10 kgf)
Test loads


The hardness tester LD250 includes test loads up to 3000kg and can be customized depending on customer needs.
The standard version of the hardness tester includes test loads from 1 to 250 kgf (9.807 to 2452 N).


Vickers - Knoop: 9.807 - 19.60 - 29.42 - 49.03 - 98.07 - 196 - 294.2 - 490.35 - 980.7 N (1 - 2 - 3 - 5 - 10 - 20 - 30 - 50 - 100 kgf)


Brinell: 9.807 - 24.52 - 49.03 - 61.29 - 98.07 - 153.2 - 245.2 - 294.2 - 306.5 - 612.9 - 1226 - 1839 - 2452 - 4903 - 7355 - 9870 - 29421 N)
(1 - 2.5 - 5 - 6.25 - 10 - 15.6 - 25 - 30 - 31.2 - 62.5 - 125 - 187.5 kgf - 250 - 500 - 750 - 1000 - 3000 kgf)


Rockwell: 588.4 - 980.7 - 1471 N (60 - 100 - 150 kgf)

Superficial Rockwell: 147.1 - 294.2 - 441.3 N (15 - 30 - 45 kgf)

Feasible tests

Rockwell: HRC - HRA - HRD - HRB - HRF - HRG - HRL - HRM - HRR

Superficial Rockwell: HRN - HRT

Brinell HBW (Depending on the models): HBW1/30 - HBW2.5/15.625 - HBW2.5/31.25 - HBW2.5/62.5 - HBW2.5/187.5 - HBW5/25 - HRW5/62.5 - HBW5/125 - HBW5/250 - HBW5/750 - HBW10/100 - HBW10/250 - HBW10/500 - HBW10/1000 - HBW10/1500 - HBW10/3000

Brinell HBWT (Depending on the models): HBT 2.5/62.5 - HBT 2.5/187.5 - HBT 5/125 - HBWT5/250 - HBWT5/750 - HBWT10/500 - HBWT10/1000 - HBWT10/1500 - HBWT10/3000

Vickers: HV1 - HV2 - HV3 - HV5 - HV10 - HV20 - HV30 - HV50 - HV100

Accuracy
Better than  0.5 %

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Yang Yi Technology Co., Ltd
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