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Attached table
EN
Copyright©Qingdao Hantek Electronics Co.,LTD HT360 series user manual
33
8.3 Attached table 3
Profiled impact device
DC (D)
/DL
D+15
C
G
E
(Import
needed)
Impact energy
Mass of impact body
11mJ
5.
5g/7.2g
11mJ
7.8g
2.7mJ
3.0g
90mJ
20.0g
11mJ
5.5g
Ball joint hardness:
Ball joint diameter:
Ball joint material:
1600HV
3mm
Tungste
n
carbide
1600H
V
3mm
Tungst
en
carbide
1600H
V
3mm
Tungst
en
carbide
1600HV
5mm
Tungste
n
carbide
5000HV
3mm
Diamond
Diameter of impact device:
Length of impact device:
Weight of impact device:
20mm
86(147)/
75mm
50g
20mm
162m
m
80g
20mm
141mm
75g
30mm
254mm
250g
20mm
155mm
80g
Maximum hardness of test
surface
940HV
940HV
1000H
V
650HB
1200HV
Average surface roughness
of test surface Ra:
1.6μm
1.6μm
0.4μm
6.3μm
1.6μm
Minimum weight of test
piece:
Can be directly measured
Stable support required
Dense coupling required
>5kg
2~5kg
0.05~2k
g
>5kg
2~ 5kg
0.05~2
kg
>1.5kg
0.5~1.5
kg
0.02~0.
5kg
> 15kg
5~ 15kg
0.5~5kg
>5kg
2~5kg
0.05~2kg
Minimum thickness of test
piece
Dense coupling
Minimum depth of hardened
case
5mm
≥
0. 8mm
5mm
≥0.8mm
1mm
≥
0.2mm
10mm
≥1.2mm
5mm
≥0.8mm
Ball joint indentation size
When the
hardness is
300HV
Indentation
diameter
Indentation
depth
0.54mm
24 μm
0.54mm
24 μm
0.38mm
12 μm
1.03mm
53μm
0.54mm
24μm
Hardness
600HV
Hour
Indentation
diameter
Indentation
0.54mm
17 μm
0.54mm
17 μm
0.32mm
8 μm
0.90mm
41 μm
0.54mm
17 μm
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