適用范圍
淬火鋼、調質(zhì)、退火鋼,冷硬鑄件,可鍛鑄件,硬質(zhì)合金鋼,鋁合金,銅,軸承鋼等。
技術(shù)參數
洛氏標尺 (Rockwell Scales) |
HRA、HRB、HRC、HRD、HRE、HRF、HRG、HRH、HRK |
初試驗力 (Initial Testing Force) |
10Kg(98.07N) |
試驗力 (Testing Force) |
60Kg(588N)、100Kg(980N)、150Kg(1471N) |
轉換標尺 ( Exchange Scales) |
表面洛氏、布氏、維氏 ( Superficial Rockwell, Brinell, Vickers) |
硬度讀取 (Indication of Hardness Value) |
大屏幕數字顯示 ( Digital Display with Large LCD Screen) |
數據輸出 (Data Output) |
內置打印機和RS-232接口 ( Inside Printer and USBInterface) |
保荷時(shí)間 (Duration Time) |
0~60S |
試件最大高度 (Max Height of Specimen) |
170mm |
儀器尺寸 (Overall Dimension) |
520×240×720mm(長(cháng)×寬×高, L X W X H) |
儀器重量( Net Weight ) | 約80kg |
電源(Power supply) | AC220V±5%,50~60Hz |
執行標準(Carried Standard) | GB/T230.2國家標準( GB/T 230.2 Chinese Standard) JJG112檢定規程( JJG112 Inspection Rule) |
硬度標(Hardness Scales) | 標準塊的硬度范圍(Hardness range of standard block) | 示值最大允許誤差(Max. allowable error of Indication) | 離散性誤差(Dispersion error) |
HRA | (20~75)HRA (>75~88)HRA |
±2HRA ±1.5HRA |
±0.2 ±0.2 |
HRB | (20~45)HRB (>45~80)HRB (>80~100)HRB |
±4HRB ±3HRB ±2HRB |
±0.2 ±0.2 ±0.2 |
HRC | (20~70)HRC | ±1.5HRC | ±0.2 |