|
This tester is used for determining the Brinell, Rockwell, and Vickers hardness of ferrous, nonferrous metals, hardmetals, carburized layers and chemical treating layers. It can be applied in the factories, scientific research institutes, laboratories and colleges.
|
|
Details:
|
MODEL
|
HBRVU187.5
|
|
Type
|
Brinell, Rockwell & Vickers Optical
|
|
Preliminary test force (N)
|
98.07
|
|
Total test force for Rockwell hardness (N)
|
588.4, 980.7, 1471
|
|
Total test force for Brinell hardness (N)
|
306.5, 612.9, 1839
|
|
Total test force for Vickers hardness (N)
|
294.2, 980.7
|
|
Test range for Rockwell hardness
|
20~67 HRC / 30~100 HRB / 70~85 HRA
|
|
Test range for Brinell hardness
|
4~450 HB
|
|
Test range for Vickers hardness
|
14~1000 HV
|
|
Magnification of microscope x
|
37.5x, 75x
|
|
Min. calibrated value of micro-measuring drum wheel
|
0.004mm@37.5x, 0.002mm@75x
|
|
Max. height of specimens (mm)
|
160 for Rockwell, 100 for Vickers, Brinell
|
|
Max. depth of specimens (mm)
|
200
|
|
Power supply
|
AC220V, 50Hz
|
|
Dimension (DxWxH) (mm)
|
560 x 260 x 760
|
|
Net weight (kg)
|
90
|
|
MODEL
|
HBRVU187.5
|
|
Main machine
|
1
|
|
Accessory box of main apparatus
|
|
|
Indenter
|
Conical angle 120 degree Diamond Rockwell indentor x 1
Pyramidal angle 136 degree Diamond Vickers x 1
Steel ball indenter 1.588mm x 1
2.5mmx1, 5mm x 1
|
|
Testing table
|
Large leveled / medium leveled /V shaped, 1 for eac
|
|
Standard Rockwell hardness block
|
55~65 HRC x 1
25~35 HRC x 1
75~95 HRB x 1
|
|
Standard Brinell hardness block
|
200 +/- 50 HB 2.5/187.5/30 x 1
|
|
Standard Vickers hardness block
|
450 +/- 50 HV 30 x 1
|
|
Weights
|
5
|
|
Fuse
|
7A x 2
|
|
Lamp
|
6V 21 CP x 2
|
|
Power supply plug
|
1
|
|
Operation instructions
|
1
|
|
Attachment box of microscope
|
|
|
Microscope
|
1
|
|
Micro-eyepiece
|
15x x 1
|
|
Objective
|
2.5x x 1, 5x x 1
|
|
Sliding test platform
|
Pyramidal platform x 1, V shaped platform x 1
|
|
Lamp shade
|
for external lighting x 1, for internal lighting x 1
|
|
Lamp
|
6V, 5W x 4
|
|
Type of Test
|
Primary Test Force (N)
|
Total Test Force (N)
|
Hardness Scale
|
Indenter
|
Measuring Installation
|
Examples of Measuring and Testing Materials
|
|
Rockwell hardness test
|
98.07
|
588.4
|
HRA
|
diamond cone indenter
|
optical measurement indicating mechanism
|
hard alloy
carbon carburizing steel
|
|
1471
|
HRC
|
quenched steel
adjustable quality steel
hard cast iron
|
|
980.7
|
HRB
|
1.588mm steel ball indenter
|
mild steel
aluminium alloy
copper alloy
forgeable cast iron
|
|
Brinell hardness test
|
306.5 / 612.9 / 1839
|
-
|
HB
|
2.5mm, 5mm steel ball indenter
|
microscope
|
non-ferrous metal
cast iron
soft alloy
plastics
|
|
Vickers hardness test
|
294.2 / 980.7
|
-
|
HV 30
|
diamond angle conical indenter
|
microscope
|
the superficial hardness of metallic alloy carburized layer
small type thin components
|
|
