里氏硬度计冲击装置和异性支撑环的选型指南
来源:
作者:中国无损检测 人气: 发布时间:2024-11-05
摘要:十、测量范围表: 材料 硬度制 冲击装置 D/DC D+15 C G E DL Steel and cast steel 钢和铸钢 HRC 17.9~68.5 19.3~67.9 20.0~69.5 22.4~70.7 20.6~68.2 HRB 59.6~99.6 47.7~99.9 37.0~99.9 HRA 59.1~85.8 61.7~88.0 HB 127~651 80~638 80~683 90
十、测量范围表:
材料
|
|
|
D/DC
|
D+15
|
C
|
G
|
E
|
DL
|
Steel and cast steel
钢和铸钢
|
HRC
|
17.9~68.5
|
19.3~67.9
|
20.0~69.5
|
|
22.4~70.7
|
20.6~68.2
|
HRB
|
59.6~99.6
|
|
|
47.7~99.9
|
|
37.0~99.9
|
HRA
|
59.1~85.8
|
|
|
|
61.7~88.0
|
|
HB
|
127~651
|
80~638
|
80~683
|
90~646
|
83~663
|
81~646
|
HV
|
83~976
|
80~937
|
80~996
|
|
84~1042
|
80~950
|
HS
|
32.2~99.5
|
33.3~99.3
|
31.8~102.1
|
|
35.8~102.6
|
30.6~96.8
|
Steel锻钢
|
HS
|
32.2~99.5
|
|
|
|
|
|
CWT、ST
合金工具钢
|
HRC
|
20.4~67.1
|
19.8~68.2
|
20.7~68.2
|
|
22.6~70.2
|
|
HV
|
80~898
|
80~935
|
100~941
|
|
82~1009
|
|
HRA
|
60.7~92.6
|
|
|
|
|
|
HB
|
232~625
|
|
|
|
|
|
Stainless steel
不锈钢
|
HRB
|
46.5~101.7
|
|
|
|
|
|
HB
|
85~655
|
|
|
|
|
|
HV
|
85~802
|
|
|
|
|
|
GC. IRON
灰铸铁
|
HRC
|
|
|
|
|
|
|
HB
|
93~334
|
|
|
92~326
|
|
|
HV
|
|
|
|
|
|
|
NC、IRON
球墨铸铁
|
HRC
|
|
|
|
|
|
|
HB
|
131~387
|
|
|
127~364
|
|
|
HV
|
|
|
|
|
|
|
C.ALUM
铸铝合金
|
HB
|
19~164
|
|
23~210
|
32~168
|
|
|
HRB
|
23.8~84.6
|
|
22.7~85.0
|
23.8~85.5
|
|
|
HV
|
83.2~648.2
|
|
|
|
|
|
BRASS
铜锌合金
|
HB
|
40~173
|
|
|
|
|
|
HRB
|
13.5~95.3
|
|
|
|
|
|
BRONZE铜锡(铝)合金
|
HB
|
60~290
|
|
|
|
|
|
COPPER纯铜
|
HB
|
45~315
|
|
|
|
|
|
十一、异型冲击装置技术参数与适用介绍表
异型冲击装置
|
|
|
C
|
G
|
E
|
冲击能量
|
11mJ
|
11mJ
|
2.7mJ
|
90mJ
|
11mJ
|
冲击体质量
|
5.5g/7.2g
|
7.8g
|
3.0g
|
20.0g
|
5.5g
|
球头硬度
|
1600HV
|
1600HV
|
1600HV
|
1600HV
|
5000HV
|
球头直径
|
3mm
|
3mm
|
3mm
|
5mm
|
3mm
|
球头材料
|
碳化钨
|
碳化钨
|
碳化钨
|
碳化钨
|
金刚石
|
冲击装置直径
|
20mm
|
20mm
|
20mm
|
30mm
|
20mm
|
冲击装置长度
|
75mm
|
162mm
|
141mm
|
254mm
|
155mm
|
冲击装置重量
|
50g
|
80g
|
75g
|
250g
|
80g
|
试件最大硬度
|
940HV
|
940HV
|
1000HV
|
650HB
|
1200HV
|
|
1.6μm
|
1.6μm
|
0.4μm
|
6.3μm
|
1.6μm
|
试件最小重量
|
>5kg
|
>5kg
|
>1.5kg
|
>15kg
|
>5kg
|
可直接测量需稳定支撑
|
2~5kg
|
2~5kg
|
0.5~1.5kg
|
5~15kg
|
2~5kg
|
|
0.05~2kg
|
0.05~2kg
|
0.02~0.5kg
|
0.5~5kg
|
0.05~2kg
|
试件最小厚度密实耦合
|
5mm
|
5mm
|
1mm
|
10mm
|
5mm
|
|
≥0.8mm
|
≥0.8mm
|
≥0.2mm
|
≥1.2mm
|
≥0.8mm
|
十二、球头压痕尺寸
|
压痕直径
|
0.54mm
|
0.54mm
|
0.38mm
|
1.03mm
|
0.54mm
|
压痕深度
|
24μm
|
24μm
|
12μm
|
53μm
|
24μm
|
硬度
600HV时
|
压痕直径
|
0.54mm
|
0.54mm
|
0.32mm
|
0.90mm
|
0.54mm
|
压痕深度
|
17μm
|
17μm
|
8μm
|
41μm
|
17μm
|
硬度
800HV时
|
压痕直径
|
0.35mm
|
0.35mm
|
0.35mm
|
----
|
0.35mm
|
压痕深度
|
10μm
|
10μm
|
7μm
|
|
10μm
|
|
DC型测量孔或园柱筒内; DL型测量细长窄槽或孔;D型用于常规测量
|
D+15型接触面细小,加长,适宜测量沟槽或凹入的表面
|
C型冲击力小,对被测表面损伤很小,不破坏硬化层,
适合测量小轻薄部件及表面硬化层。
|
G型
测量大厚重及表面较粗糙的铸锻件
|
E型
测量硬度极高材料
|
十三、异型支撑环参数
序号
|
代号
|
|
简图
|
备注
|
1
|
03-03.7
|
Z10-15
|
|
测外圆柱面R10~R15
|
2
|
03-03.8
|
Z14.5-30
|
测外圆柱面R14.5~R30
|
3
|
03-03.9
|
Z25-50
|
测外圆柱面R25~R50
|
4
|
03-03.10
|
HZ11-13
|
|
测内圆柱面R11~R13
|
5
|
03-03.11
|
HZ12.5-17
|
测内圆柱面R12.5~R17
|
6
|
03-03.12
|
HZ16.5-30
|
测内圆柱面R16.5~R30
|
7
|
03-03.13
|
K10-15
|
|
测外球面SR10~SR15
|
8
|
03-03.14
|
K14.5-30
|
测外球面SR14.5~SR30
|
9
|
03-03.15
|
HK11-13
|
|
测内球面SR11~SR13
|
10
|
03-03.16
|
HK12.5-17
|
测内球面SR12.5~SR17
|
11
|
03-03.17
|
HK16.5-30
|
测内球面SR16.5~SR30
|
12
|
03-03.18
|
UN
|
|
测外圆柱面,半径可调R10~∞
|
数显硬度计http://www.shuxianyingduji.com
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|
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