一(Yi)、(?)原(Yuan)理(Li)
液(Ye)压(Ya)布(Bu)氏(Shi)硬(Ying)度(Du)计(Ji)基(Ji)于(Yu)布(Bu)氏(Shi)硬(Ying)度(Du)测(Ce)试(Shi)原(Yuan)理(Li),(?)通(Tong)过(Guo)液(Ye)压(Ya)技(Ji)术(Shu)产(Chan)生(Sheng)试(Shi)验(Yan)力(Li)。(?)测(Ce)试(Shi)时(Shi),(?)将(Jiang)标(Biao)准(Zhun)钢(Gang)球(Qiu)以(Yi)一(Yi)定(Ding)的(De)速(Su)度(Du)和(He)压(Ya)力(Li)压(Ya)入(Ru)待(Dai)测(Ce)材(Cai)料(Liao)表(Biao)面(Mian),(?)保(Bao)持(Chi)一(Yi)定(Ding)时(Shi)间(Jian)后(Hou),(?)根(Gen)据(Ju)压(Ya)痕(Hen)的(De)直(Zhi)径(Jing)大(Da)小(Xiao)来(Lai)计(Ji)算(Suan)材(Cai)料(Liao)的(De)硬(Ying)度(Du)值(Zhi)。(?)这(Zhe)种(Zhong)测(Ce)试(Shi)方(Fang)法(Fa)能(Neng)够(Gou)准(Zhun)确(Que)反(Fan)映(Ying)材(Cai)料(Liao)的(De)硬(Ying)度(Du)特(Te)性(Xing),(?)特(Te)别(Bie)适(Shi)用(Yong)于(Yu)金(Jin)属(Shu)材(Cai)料(Liao)的(De)硬(Ying)度(Du)测(Ce)试(Shi)。(?)
二(?)、(?)特(Te)点(Dian)
液(Ye)压(Ya)技(Ji)术(Shu):(?)液(Ye)压(Ya)布(Bu)氏(Shi)硬(Ying)度(Du)计(Ji)利(Li)用(Yong)液(Ye)压(Ya)技(Ji)术(Shu)产(Chan)生(Sheng)试(Shi)验(Yan)力(Li),(?)能(Neng)够(Gou)轻(Qing)松(Song)加(Jia)力(Li)至(Zhi)3000kg,(?)确(Que)保(Bao)测(Ce)试(Shi)过(Guo)程(Cheng)中(Zhong)的(De)稳(Wen)定(Ding)性(Xing)和(He)准(Zhun)确(Que)性(Xing)。(?)
高(Gao)精(Jing)度(Du):(?)该(Gai)仪(Yi)器(Qi)的(De)试(Shi)验(Yan)力(Li)精(Jing)度(Du)可(Ke)达(Da)到(Dao)满(Man)度(Du)值(Zhi)的(De)0.5%,(?)确(Que)保(Bao)测(Ce)试(Shi)结(Jie)果(Guo)的(De)准(Zhun)确(Que)性(Xing)。(?)同(Tong)时(Shi),(?)其(Qi)示(Shi)值(Zhi)重(Zhong)复(Fu)性(Xing)和(He)误(Wu)差(Cha)均(Jun)符(Fu)合(He)国(Guo)家(Jia)标(Biao)准(Zhun)GB/T231.2。(?)
广(Guang)泛(Fan)应(Ying)用(Yong):(?)液(Ye)压(Ya)布(Bu)氏(Shi)硬(Ying)度(Du)计(Ji)具(Ju)有(You)0~360mm的(De)超(Chao)大(Da)测(Ce)量(Liang)范(Fan)围(Wei),(?)可(Ke)测(Ce)试(Shi)不(Bu)同(Tong)尺(Chi)寸(Cun)、(?)不(Bu)同(Tong)形(Xing)状(Zhuang)的(De)工(Gong)件(Jian)。(?)同(Tong)时(Shi),(?)它(Ta)还(Huan)具(Ju)有(You)良(Liang)好(Hao)的(De)兼(Jian)容(Rong)性(Xing),(?)试(Shi)验(Yan)力(Li)、(?)钢(Gang)球(Qiu)直(Zhi)径(Jing)等(Deng)参(Can)数(Shu)可(Ke)选(Xuan),(?)适(Shi)用(Yong)于(Yu)多(Duo)种(Zhong)金(Jin)属(Shu)材(Cai)料(Liao)的(De)硬(Ying)度(Du)测(Ce)试(Shi)。(?)
三(San)、(?)应(Ying)用(Yong)
液(Ye)压(Ya)布(Bu)氏(Shi)硬(Ying)度(Du)计(Ji)广(Guang)泛(Fan)应(Ying)用(Yong)于(Yu)金(Jin)属(Shu)材(Cai)料(Liao)的(De)硬(Ying)度(Du)测(Ce)试(Shi)领(Ling)域(Yu),(?)特(Te)别(Bie)适(Shi)用(Yong)于(Yu)铸(Zhu)件(Jian)、(?)锻(Duan)件(Jian)、(?)热(Re)处(Chu)理(Li)件(Jian)等(Deng)材(Cai)料(Liao)的(De)硬(Ying)度(Du)评(Ping)价(Jia)和(He)质(Zhi)量(Liang)控(Kong)制(Zhi)。(?)此(Ci)外(Wai),(?)它(Ta)还(Huan)可(Ke)用(Yong)于(Yu)测(Ce)试(Shi)金(Jin)属(Shu)原(Yuan)材(Cai)料(Liao)、(?)铸(Zhu)锻(Duan)件(Jian)毛(Mao)坯(Pi)、(?)热(Re)处(Chu)理(Li)后(Hou)的(De)半(Ban)成(Cheng)品(Pin)等(Deng)。(?)由(You)于(Yu)压(Ya)痕(Hen)较(Jiao)大(Da),(?)一(Yi)般(Ban)不(Bu)用(Yong)于(Yu)测(Ce)试(Shi)成(Cheng)品(Pin)零(Ling)件(Jian)。(?)
总(Zong)之(Zhi),(?)液(Ye)压(Ya)布(Bu)氏(Shi)硬(Ying)度(Du)计(Ji)以(Yi)其(Qi)的(De)原(Yuan)理(Li)、(?)高(Gao)精(Jing)度(Du)和(He)广(Guang)泛(Fan)的(De)应(Ying)用(Yong)领(Ling)域(Yu),(?)成(Cheng)为(Wei)金(Jin)属(Shu)材(Cai)料(Liao)硬(Ying)度(Du)测(Ce)试(Shi)的(De)重(Zhong)要(Yao)工(Gong)具(Ju)之(Zhi)一(Yi)。(?)