D/DC/DL/C/G/E/D+15里氏硬度計(jì)沖擊裝置
D/DC/DL/C/G/E/D+15里氏硬度計(jì)沖擊裝置可以配置不同的里氏硬度計(jì)，用戶可以根據(jù)工件需要選擇D/DC/DL/C/G/E/D+15里氏硬度計(jì)沖擊裝置
D/DC/DL/C/G/E/D+15里氏硬度計(jì)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 | |||||
| 沖擊體質(zhì)量 | 5.5g/7.2g | 7.8g | 3.0g | 20.0g | 5.5g | |||||
| 球頭硬度: | 1600HV | 1600HV | 1600HV | 1600HV | 5000HV | |||||
| 球頭直徑: | 3mm | 3mm | 3mm | 5mm | 3mm | |||||
| 球頭材料: | 碳化鎢 | 碳化鎢 | 碳化鎢 | 碳化鎢 | 金剛石 | |||||
| 沖擊裝置直徑: | 20mm | 20mm | 20mm | 30mm | 20mm | |||||
| 沖擊裝置長度: | 86(147)/ 75mm | 162mm | 141mm | 254mm | 155mm | |||||
| 沖擊裝置重量: | 50g | 80g | 75g | 250g | 80g | |||||
| 試件*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*小重量: | 大于5kg | 大于5kg | 大于1.5kg | 大于15kg | 大于5kg | |||||
| 可直接測量 | 2～5kg | 2～5kg | 0.5～1.5kg | 5～15kg | 2～5kg | |||||
| 需穩(wěn)定支撐 | 0.05～2kg | 0.05～2kg | 0.02～0.5kg | 0.5～5kg | 0.05～2kg | |||||
| 試件*小厚度 | 5mm | 5mm | 1mm | 10mm | 5mm | |||||
| 密實(shí)耦合 | ≥0.8mm | ≥0.8mm | ≥0.2mm | ≥1.2mm | ≥0.8mm | |||||
| 球頭壓痕尺寸 | ||||||||||
| 硬度300HV時 | 壓痕直徑 | 0.54mm | 0.54mm | 0.38mm | 1.03mm | 0.54mm | ||||
| 壓痕深度 | 24μm | 24μm | 12μm | 53μm | 24μm | |||||
| 硬度600HV時 | 壓痕直徑 | 0.54mm | 0.54mm | 0.32mm | 0.90mm | 0.54mm | ||||
| 壓痕深度 | 17μm | 17μm | 8μm | 41μm | 17μm | |||||
| 硬度800HV時 | 壓痕直徑 | 0.35mm | 0.35mm | 0.35mm | -- | 0.35mm | ||||
| 壓痕深度 | 10μm | 10μm | 7μm | -- | 10μm | |||||
| 沖擊裝置適用范圍 | DC型測量孔或園柱筒內(nèi); DL型測量細(xì)長窄槽或孔 | D+15型測量溝槽或凹入的表面 | C型測量小輕薄部件及表面硬化層 | G型測量大厚重及表面較粗糙的鑄鍛件 | E型測量硬度材料 | |||||
D/DC/DL/C/G/E/D+15里氏硬度計(jì)沖擊裝置 測試范圍表
|
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 |
| 鋼和鑄鋼 | HRB | 59.6～99.6 |
|
| 47.7～99.9 |
| 37.0～99.9 |
|
| HRA | 59.1～85.8 |
|
|
| 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 |
|
| 合金工具鋼 | HV | 80～898 | 80～935 | 100～941 |
| 82～1009 |
|
| Stainless steel | HRB | 46.5～101.7 |
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| 不銹鋼 | HB | 85～655 |
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| HV | 85～802 |
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| GC. IRON | HRC |
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| 灰鑄鐵 | HB | 93～334 |
|
| 92～326 |
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| HV |
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| NC、IRON | HRC |
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| 球墨鑄鐵 | 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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| 鑄鋁合金 | 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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| 銅鋅合金 | 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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D/DC/DL/C/G/E/D+15里氏硬度計(jì)沖擊裝置 示值誤差和示值重復(fù)性表
| 序號 | 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 |
| 530±40HLD | ±10 HLD | 10 HLD | ||
| 2 | DC | 760±30HLDC | ±6 HLDC | 6 HLD |
| 530±40HLDC | ±10 HLDC | 10 HLD | ||
| 3 | DL | 878±30HLDL | ±12 HLDL | 12 HLDL |
| 736±40HLDL | ||||
| 4 | D+15 | 766±30HLD+15 | ±12 HLD+15 | 12 HLD+15 |
| 544±40HLD+15 | ||||
| 5 | G | 590±40HLG | ±12 HLG | 12 HLG |
| 500±40HLG | ||||
| 6 | E | 725±30HLE | ±12 HLE | 12 HLE |
| 508±40HLE | ||||
| 7 | C | 822±30HLC | ±12 HLC | 12 HLC |
| 590±40HLC |
