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ALPA H-Master LB151AU Manual
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ALPA H-Master LB151AU Manual

Electronic universal hardness tester
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metrology
ELECTRONIC UNIVERSAL HARDNESS TESTER LB151AU
REV. 1 - 11/19
H - Master
Lingua originale: Inglese
EN
IT
DE
ES
RU
PL

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Summary of Contents for ALPA H-Master LB151AU

  • Page 1 H - Master metrology ELECTRONIC UNIVERSAL HARDNESS TESTER LB151AU Lingua originale: Inglese REV. 1 - 11/19...

  • Page 2: Table Of Contents

    CONTENTS 1. TECHNICAL DATA 5. BRINELL HARDNESS 2. BRIEF INTRODUCTION 6. VICKERS HARDNESS 3. INSTALLATION OF HARDNESS TESTER 7. MAINTENANCE AND PRECAUTIONS 4. ROCKWELL HARDNESS 8. STORAGE AND SHIPPING NOTICE DESCRIPTION 1.Panel Shell 2.Dial Gauge 3.Fastening Screw of Indenter 4.Indenter 5.Testing Anvil 6.Up and Down Lead Screw 7.Load-Change Hand Wheel...

  • Page 3: Technical Data

    1.1 TECHNICAL DATA HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK, HRL, HRM, HRP, HRR, Rockwell Scales: HRS, HRV Preliminary Test Force: 10Kgf (98.07N) Permitted Error: ±2.0% 60Kgf (588.4N), 100Kgf (980.7N), 150Kgf (1471N) Test Force: Permitted Error:±1.0% Dwell Time: Adjustable 1-60s Hardness Indication: 5.2”...

  • Page 4: Installation Of Hardness Tester

    3. INSTALLATION OF THE HARDNESS TESTER 3.1 The working condition of the hardness tester 3.1.1 Under the room temperature between 10~30°C; 3.1.2 The relative humidity in the test room shall not be over 65%; 3.1.3 In an environment free from vibration and shock; without corrosive in surroundings.

  • Page 5: Rockwell Hardness

    3.6 INSTALLATION OF MEASURING MICROSCOPE 3.6.1 Take out the microscope body of the measuring microscope from the accessory box, install and fix it on the microscope frame on the left side of the main body. Align the two locating pins and tighten them with screws. 3.6.2 Install the micrometer eyepiece.
  • Page 6 4.2 DO ALL PREPARATION WORK BEFORE THE USE Table 3 Initial Test Total Test Scale Indenter Applications Force(N) Force(N) Diamond 98.07 Hard alloy, carbide, surface-quenched steel, carburized 588.4 Indenter (10kg) steel plate (sheet) 980.7 Steel sheet, surface-quenched steel 1471 Quenched steel, tempered steel, Hard cast iron Cast iron, aluminum, magnesium alloy, bearing alloy, 588.4 annealed copper alloy, mild steel sheet...
  • Page 7 offset of long pointer could not exceed 5 Rockwell hardness units, otherwise the Rotating Wheel shall turn anticlockwise and the position of specimen be changed for another repeat test. 4.3.5 Rotate the Dial (2) of the instrument to let long pointer indicate position “C”.

  • Page 8: Brinell Hardness

    Diameter(mm)of the Columned Specimens Hardness Value (HR) Modified Value (HR) of Rockwell Scales B, F & G 4.4 THE REGULATION OF DISPLAYED HARDNESS VALUE (Fig.5) he precision of the displayed hardness value of the hardness tester is just calibrated before the instrument is turned out of the factory.
  • Page 9 Table 7 Hardness Scale Indenter D (mm) Test Force F 0.102F/D HBW 10/100 980.7N (100kg) HBW 5/62.5 612.9N (62.5kg) HBW 2.5/187.5 1839N (187.5kg) HBW 2.5/62.5 612.9N (62.5kg) HBW 2.5/31.25 306.5N (31.25kg) HBW 1/30 294.2N (30kg) Table 8 Tested-piece Minimum Thickness Tested-piece Minimum Thickness Indentation Average Indentation Average...

  • Page 10: Vickers Hardness

    5.7.4 Illumination Adjustment The most suitable lighting effect is obtained by rotating or moving up and down the lamp barrel. Tighten the three knurled screws after adjustment. The brightness and color of the lighting light can be adjusted by two buttons on the side of the lighting barrel to achieve the most appropriate lighting effect.

  • Page 11: Maintenance And Precautions

    7. MAINTENANCE AND PRECAUTIONS • The operator should observe the operation regulations and calibrate the instrument with the standard hardness block before and after the test. If the hardness tester is rarely used, the several tests should be carried out on the standard hardness block to make the hardness tester stable after start the instrument, and then carry out the necessary tests for specimen.
  • Page 12 IX. APPENDIX: CONVERSION TABLES TABLE 1 - Brinell’s method metal value 2∗0.0102∗���� ��������(����− ���� −���� HB = 0.102 F/S2 0.102 F/S2 Diameter Diameter 1.25 1.25 steel sphere steel sphere D (mm) D (mm) Test Force F,N (kgf) Test Force F,N (kgf) 1839 612.9 306.5...
  • Page 13 0.102 F/S2 0.102 F/S2 Diameter Diameter 1.25 1.25 steel sphere steel sphere D (mm) D (mm) Test Force F,N (kgf) Test Force F,N (kgf) 1839 612.9 306.5 612.9 306.5 1839 612.9 306.5 612.9 306.5 (187.5) (62.5) (31.25) (62.5) (31.25) (187.5) (62.5) (31.25) (62.5) (31.25) Diameter Diameter impression...
  • Page 14 0.102 F/S2 0.102 F/S2 Diameter Diameter 1.25 1.25 steel sphere steel sphere D (mm) D (mm) Test Force F,N (kgf) Test Force F,N (kgf) 1839 612.9 306.5 612.9 306.5 1839 612.9 306.5 612.9 306.5 (187.5) (62.5) (31.25) (62.5) (31.25) (187.5) (62.5) (31.25) (62.5) (31.25) Diameter Diameter impression...
  • Page 15 0.102 F/S2 0.102 F/S2 Diameter Diameter 1.25 1.25 steel sphere steel sphere D (mm) D (mm) Test Force F,N (kgf) Test Force F,N (kgf) 1839 612.9 306.5 612.9 306.5 1839 612.9 306.5 612.9 306.5 (187.5) (62.5) (31.25) (62.5) (31.25) (187.5) (62.5) (31.25) (62.5) (31.25) Diameter Diameter impression...
  • Page 16 0.102 F/S2 0.102 F/S2 Diameter Diameter 1.25 1.25 steel sphere steel sphere D (mm) D (mm) Test Force F,N (kgf) Test Force F,N (kgf) 1839 612.9 306.5 612.9 306.5 1839 612.9 306.5 612.9 306.5 (187.5) (62.5) (31.25) (62.5) (31.25) (187.5) (62.5) (31.25) (62.5) (31.25) Diameter Diameter impression...
  • Page 17 Test Force F Test Force F Test Force F N (kgf) N (kgf) N (kgf) 294.2 980.7 294.2 980.7 294.2 980.7 Diagonal Diagonal Diagonal (30) (100) (30) (100) (30) (100) impression impressione impression d (mm) d (mm) d (mm) Vickers Hardness Vickers Hardness Vickers Hardness HV30...
  • Page 18 Test Force F Test Force F Test Force F N (kgf) N (kgf) N (kgf) 294.2 980.7 294.2 980.7 294.2 980.7 Diagonal Diagonal Diagonal (30) (100) (30) (100) (30) (100) impression impression impression d (mm) d (mm) d (mm) Vickers Hardness Vickers Hardness Vickers Hardness HV30...
  • Page 19 Test Force F Test Force F Test Force F N (kgf) N (kgf) N (kgf) 294.2 980.7 294.2 980.7 294.2 980.7 Diagonal Diagonal Diagonal (30) (100) (30) (100) (30) (100) impression impression impression d (mm) d (mm) d (mm) Vickers Hardness Vickers Hardness Vickers Hardness HV30...
  • Page 20 Test Force F Test Force F Test Force F N (kgf) N (kgf) N (kgf) 294.2 980.7 294.2 980.7 294.2 980.7 Diagonal Diagonal Diagonal (30) (100) (30) (100) (30) (100) impression impression impression d (mm) d (mm) d (mm) Vickers Hardness Vickers Hardness Vickers Hardness HV30...
  • Page 21 Test Force F Test Force F Test Force F N (kgf) N (kgf) N (kgf) 294.2 980.7 294.2 980.7 294.2 980.7 Diagonal Diagonal Diagonal (30) (100) (30) (100) (30) (100) impression impression impression d (mm) d (mm) d (mm) Vickers Hardness Vickers Hardness Vickers Hardness HV30...
  • Page 22 NOTE H - Master metrology...
  • Page 23 NOTE H - Master metrology...
  • Page 24 19_086 ALPA_DUROMETRO_H-MASTER_039...