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1.1 五指(zhi)(zhi)(zhi)十字刮(gua)擦(ca)測(ce)試(shi)(shi)儀測(ce)試(shi)(shi)原理 五指(zhi)(zhi)(zhi)刮(gua)擦(ca)測(ce)試(shi)(shi)儀試(shi)(shi)驗(yan)：試(shi)(shi)驗(yan)平臺(tai)上的(de)試(shi)(shi)樣接(jie)觸五個刮(gua)指(zhi)(zhi)(zhi)或1個塑料(liao)刮(gua)指(zhi)(zhi)(zhi)及其上方施加的(de)砝碼重量。試(shi)(shi)驗(yan)過(guo)程中，試(shi)(shi)驗(yan)平臺(tai)移動，刮(gua)指(zhi)(zhi)(zhi)在(zai)試(shi)(shi)樣表(biao)面留下(xia)劃(hua)痕。根據劃(hua)痕的(de)深淺判斷試(shi)(shi)樣的(de)耐劃(hua)傷(shang)性能。試(shi)(shi)樣可為塑料(liao)板、涂有(you)油漆和清漆的(de)測(ce)試(shi)(shi)板等。
1.1 測試(shi)(shi)(shi)(shi)(shi)(shi)原(yuan)理$n 五指刮擦測試(shi)(shi)(shi)(shi)(shi)(shi)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)機試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)：試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)平臺(tai)上的(de)(de)試(shi)(shi)(shi)(shi)(shi)(shi)樣(yang)(yang)接觸五個刮指或1個塑(su)料(liao)刮指及其上方施加的(de)(de)砝碼重量(liang)。試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)過程中(zhong)，試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)平臺(tai)移動(dong)，刮指在試(shi)(shi)(shi)(shi)(shi)(shi)樣(yang)(yang)表面留下劃(hua)痕(hen)。根(gen)據劃(hua)痕(hen)的(de)(de)深(shen)淺判(pan)斷(duan)試(shi)(shi)(shi)(shi)(shi)(shi)樣(yang)(yang)的(de)(de)耐劃(hua)傷性能(neng)。試(shi)(shi)(shi)(shi)(shi)(shi)樣(yang)(yang)可為塑(su)料(liao)板(ban)、涂有油漆和清漆的(de)(de)測試(shi)(shi)(shi)(shi)(shi)(shi)板(ban)等。
1.1 測試(shi)(shi)(shi)(shi)(shi)(shi)原理$n 五指刮擦測試(shi)(shi)(shi)(shi)(shi)(shi)儀試(shi)(shi)(shi)(shi)(shi)(shi)驗：試(shi)(shi)(shi)(shi)(shi)(shi)驗平臺上(shang)的(de)試(shi)(shi)(shi)(shi)(shi)(shi)樣接觸五個(ge)刮指或1個(ge)塑(su)(su)料(liao)刮指及其上(shang)方(fang)施加(jia)的(de)砝碼(ma)重量。試(shi)(shi)(shi)(shi)(shi)(shi)驗過程中，試(shi)(shi)(shi)(shi)(shi)(shi)驗平臺移動，刮指在(zai)試(shi)(shi)(shi)(shi)(shi)(shi)樣表(biao)面留(liu)下劃(hua)(hua)痕(hen)。根據劃(hua)(hua)痕(hen)的(de)深(shen)淺判斷試(shi)(shi)(shi)(shi)(shi)(shi)樣的(de)耐(nai)劃(hua)(hua)傷性能。試(shi)(shi)(shi)(shi)(shi)(shi)樣可為(wei)塑(su)(su)料(liao)板、涂有油漆和清漆的(de)測試(shi)(shi)(shi)(shi)(shi)(shi)板等。
