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硬 度 计 |
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里氏硬度计冲击装置 |
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冲击装置技术参数一览
异型冲击装置 |
DC(D)/DL |
D+15 |
C |
G |
E(需进口) |
冲击能量 冲击体质量 |
11mJ 5.5g/7.2g |
11mJ 7.8g |
2.7mJ 3.0g |
90mJ 20.0g |
11mJ 5.5g |
球头硬度: 球头直径: 球头材料: |
1600HV 3mm 碳化钨 |
1600HV 3mm 碳化钨 |
1600HV 3mm 碳化钨 |
1600HV 5mm 碳化钨 |
5000HV 3mm 金刚石 |
冲击装置直径: 冲击装置长度: 冲击装置重量: |
20mm 86(147)/ 75mm 50g |
20mm 162mm 80g |
20mm 141mm 75g |
30mm 254mm 250g |
20mm 155mm 80g |
试件最大硬度 |
940HV |
940HV |
1000HV |
650HB |
1200HV |
试件表面平均粗糙度Ra: |
1.6μm |
1.6μm |
0.4μm |
6.3μm |
1.6μm |
试件最小重量: 可直接测量 需稳定支撑 需密实耦合 |
大于5kg 2~5kg 0.05~2kg |
大于5kg 2~5kg 0.05~2kg |
大于1.5kg 0.5~1.5kg 0.02~0.5kg |
大于15kg 5~15kg 0.5~5kg |
大于5kg 2~5kg 0.05~2kg |
试件最小厚度 密实耦合 硬化层最小深度 |
5mm ≥0.8mm |
5mm ≥0.8mm |
1mm ≥0.2mm |
10mm ≥1.2mm |
5mm ≥0.8mm |
球头压痕尺寸 |
硬度300HV时 |
压痕直径 压痕深度 |
0.54mm 24μm |
0.54mm 24μm |
0.38mm 12μm |
1.03mm 53μm |
0.54mm 24μm |
硬度600HV时 |
压痕直径 压痕深度 |
0.54mm 17μm |
0.54mm 17μm |
0.32mm 8μm |
0.90mm 41μm |
0.54mm 17μm |
硬度800HV时 |
压痕直径 压痕深度 |
0.35mm 10μm |
0.35mm 10μm |
0.35mm 7μm |
-- -- |
0.35mm 10μm |
冲击装置适用范围 |
DC型测量孔或园柱筒内; DL型测量细长窄槽或孔 |
D+15型测量沟槽或凹入的表面 |
C型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 |
冲击装置测试范围表
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 |
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22.4~70.7 |
20.6~68.2 |
HRB |
59.6~99.6 |
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47.7~99.9 |
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37.0~99.9 |
HRA |
59.1~85.8 |
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61.7~88.0 |
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HB |
127~651 |
80~638 |
80~683 |
90~646 |
83~663 |
81~646 |
HV |
83~976 |
80~937 |
80~996 |
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84~1042 |
80~950 |
HS |
32.2~99.5 |
33.3~99.3 |
31.8~102.1 |
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35.8~102.6 |
30.6~96.8 |
Steel锻钢 |
HS |
32.2~99.5 |
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CWT、ST 合金工具钢 |
HRC |
20.4~67.1 |
19.8~68.2 |
20.7~68.2 |
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22.6~70.2 |
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HV |
80~898 |
80~935 |
100~941 |
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82~1009 |
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Stainless steel 不锈钢 |
HRB |
46.5~101.7 |
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HB |
85~655 |
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HV |
85~802 |
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GC. IRON 灰铸铁 |
HRC |
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HB |
93~334 |
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92~326 |
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HV |
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NC、IRON 球墨铸铁 |
HRC |
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HB |
131~387 |
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127~364 |
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HV |
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C.ALUM 铸铝合金 |
HB |
19~164 |
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23~210 |
32~168 |
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HRB |
23.8~84.6 |
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22.7~85.0 |
23.8~85.5 |
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BRASS 铜锌合金 |
HB |
40~173 |
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HRB |
13.5~95.3 |
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BRONZE铜锡(铝)合金 |
HB |
60~290 |
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COPPER纯铜 |
HB |
45~315 |
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时代里氏硬度计选型表示值误差和示值重复性表
序号 |
冲击装置类型 |
标准里氏硬度块硬度值 |
示值误差 |
示值重复性 |
1 |
D |
760±30HLD 530±40HLD |
±6 HLD ±10 HLD |
6 HLD 10 HLD |
2 |
DC |
760±30HLDC 530±40HLDC |
±6 HLDC ±10 HLDC |
6 HLD 10 HLD |
3 |
DL |
878±30HLDL 736±40HLDL |
±12 HLDL |
12 HLDL |
4 |
D+15 |
766±30HLD+15 544±40HLD+15 |
±12 HLD+15 |
12 HLD+15 |
5 |
G |
590±40HLG 500±40HLG |
±12 HLG |
12 HLG |
6 |
E |
725±30HLE 508±40HLE |
±12 HLE |
12 HLE |
7 |
C |
822±30HLC 590±40HLC |
±12 HLC |
12 HLC | | |
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