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LD250/LD750: Rockwell. Brinell. Vickers

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Varenummer (SKU): ld250/ld750

LD250/LD750: Rockwell. Brinell. Vickers

LD250/LD750. Universal hardness testers for Vickers, Rockwell, Superficial Rockwell and Brinell hardness test methods in compliance with ASTM and ISO hardness standards. LD 250 and LD750 are top level bench hardness testers for fully automatic test cycles including indentation autoreading through the high resolution camera. Entirely motorized and equipped with an automatic turret with indenters and magnification lenses. The instrument allows for hardness measuring in different hardness scales with just one tester, 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.

Test loads: LD250 from 1 to 250 kgf (From 9,807 to 2452 N). LD750 from 3 to 3000 kgf (From 29.4 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 LD250/LD750

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 (PAT. AFFRI)

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

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.

WIDE WORKHOLDER

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)

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.

MOTORIZED TURRET (INDENTER/OBJECTIVE)

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.

TECHNICAL FEATURES LD250/LD750

LD 750
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
480 x 670 mm
330 x 390 mm
Vertical head stroke
720 mm Motorized
390 mm Motorized
Indenter and clamping hood stroke
0/50 mm Motorized
0/30 mm Motorized
Depth capacity
265 mm
190 mm
Reading
Focus: automatic and manual – Reading: automatic and manual
Preload
29.4 – 98.1 N (3 – 10 kgf)
Test loads
LD250 from 1 to 250 kgf (From 9,807 to 2452 N). LD750 from 3 to 3000 kgf (From 29.4 to 29421 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 (Depending on the models): HV1 – HV2 – HV3 – HV5 – HV10 – HV20 – HV30 – HV50 – HV100

Load accuracy
Better than 0.05 %

 

Konto-kunder, tryk her for log-in

Normal lagervare, forbehold for mellemsalg
Ring for pris og info
+45 43 200 300
Varenummer (SKU): ld250/ld750

Specifikationer

Specifikationer

Specifikationer

Kontakt Keld Svenning Hansen om
LD250/LD750: Rockwell. Brinell. Vickers
Keld Svenning Hansen
Produktchef
Ring på:
+45 20 124 960
Skriv til:
[email protected]
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Kontakt Lone Brandis om
LD250/LD750: Rockwell. Brinell. Vickers
Lone Brandis
Salgssupporter
Ring på:
+45 43 200 341
Skriv til:
[email protected]
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