C型里氏硬度計(jì)沖擊裝置 時(shí)代 C型硬度計(jì)配件
里氏硬度計(jì)(原裝)沖擊裝置(采用瑞士進(jìn)口碳化鎢球頭HV1800以上)硬度更高更耐用,適用于時(shí)代里氏硬度計(jì)TH110,TH120,TH121,TH140,TH160,TH161,HLN-11A等...
沖擊裝置技術(shù)參數(shù)一覽
異型沖擊裝置 | DC(D)/DL | D+15 | C | G | E(需進(jìn)口) | |
沖擊能量 | 11mJ | 11mJ | 2.7mJ | 90mJ | 11mJ | |
球頭硬度: | 1600HV | 1600HV | 1600HV | 1600HV | 5000HV | |
沖擊裝置直徑: | 20mm | 20mm | 20mm | 30mm | 20mm | |
試件zui大硬度 | 940HV | 940HV | 1000HV | 650HB | 1200HV | |
試件表面平均粗糙度Ra: | 1.6μm | 1.6μm | 0.4μm | 6.3μm | 1.6μm | |
試件zui小重量: | 大于5kg | 大于5kg | 大于1.5kg | 大于15kg | 大于5kg | |
試件zui小厚度 | 5mm | 5mm | 1mm | 10mm | 5mm | |
球頭壓痕尺寸 | ||||||
硬度300HV時(shí) | 壓痕直徑 | 0.54mm | 0.54mm | 0.38mm | 1.03mm | 0.54mm |
硬度600HV時(shí) | 壓痕直徑 | 0.54mm | 0.54mm | 0.32mm | 0.90mm | 0.54mm |
硬度800HV時(shí) | 壓痕直徑 | 0.35mm | 0.35mm | 0.35mm | -- | 0.35mm |
沖擊裝置適用范圍 | DC型測(cè)量孔或園柱筒內(nèi);DL型測(cè)量細(xì)長(zhǎng)窄槽或孔 | D+15型測(cè)量溝槽或凹入的表面 | C型測(cè)量小輕薄部件及表面硬化層 | G型測(cè)量大厚重及表面較粗糙的鑄鍛件 | E型測(cè)量硬度*材料 |
沖擊裝置測(cè)試范圍表
材料 | 硬度制 | 沖擊裝置 | |||||
D/DC | D+15 | C | G | E | DL | ||
Steel and cast steel | 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 |
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| 47.7~99.9 |
| 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 |
| 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鍛鋼 | HS | 32.2~99.5 |
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CWT、ST | HRC | 20.4~67.1 | 19.8~68.2 | 20.7~68.2 |
| 22.6~70.2 |
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HV | 80~898 | 80~935 | 100~941 |
| 82~1009 |
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Stainless steel | 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 | 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 | 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 | HB | 19~164 |
| 23~210 | 32~168 |
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HRB | 23.8~84.6 |
| 22.7~85.0 | 23.8~85.5 |
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BRASS | HB | 40~173 |
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HRB | 13.5~95.3 |
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BRONZE銅錫(鋁)合金 | HB | 60~290 |
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COPPER純銅 | HB | 45~315 |
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里氏硬度計(jì)選型表示值誤差和示值重復(fù)性表
序號(hào) | 沖擊裝置類型 | 標(biāo)準(zhǔn)里氏硬度塊硬度值 | 示值誤差 | 示值重復(fù)性 |
1 | D | 760±30HLD | ±6 HLD | 6 HLD |
2 | DC | 760±30HLDC | ±6 HLDC | 6 HLD |
3 | DL | 878±30HLDL | ±12 HLDL | 12 HLDL |
4 | D+15 | 766±30HLD+15 | ±12 HLD+15 | 12 HLD+15 |
5 | G | 590±40HLG | ±12 HLG | 12 HLG |
6 | E | 725±30HLE | ±12 HLE | 12 HLE |
7 | C | 822±30HLC | ±12 HLC | 12 HLC |