Uyilinganisa njani ingxinano ekhululekileyo?

Umgangatho ophezulu wesixhobo esimele uxinaniso lovavanyo loxinaniso kwishishini lomgubo →DRK-D82 umvavanyi woxinaniso oluninzi

I-DRK-D82 i-loose density tester sisixhobo esisetyenziselwa ukuvavanya ukuxinana okuxekethileyo komgubo ohlukeneyo. Ihambelana nomgangatho wesizwe weRiphabhlikhi yaBantu baseTshayina - umlinganiselo woxinaniso lwesambuku kwindlela yovavanyo lwepropathi ebonakalayo yothuli GB/T16913 kunye nomlinganiselo woxinaniso lwesambuku kwi-GB/T 31057.1, kwaye imitha yobuninzi bobuninzi obuqhelekileyo.

Amanyathelo ovavanyo:
Beka i-cylinder yokulinganisa eqongeni, misela iqonga kwinqanaba, faka intonga yokuthintela kwi-funnel ukuvala i-outlet yokuphuma, kwaye uqinisekise ukuba intonga yokuthintela ikwimo ethe tye. Gcwalisa isampuli yokulinganisa isilinda kwaye ugalele wonke umgubo oza kulinganiswa kwifaneli, emva koko ukhuphe intonga yokuthintela, ukuze umgubo uqukuqelele kwi-cylinder yokulinganisa ngokusebenzisa i-funnel outlet, xa wonke umgubo uphuma, khupha umlinganiselo. cylinder, uyikhuhle ibe mcaba nge-scraper kwaye uyibeke kwibhalansi yokulinganisa.

Ukuba i powder imanzi, kufuneka yomiswe kwangaphambili. Indlela yokumisa ukumisa i-powder kwi-oven kwi-105 ° C. Ukuba kukho i-debris kwi-powder, kuyimfuneko ukususa i-debris kunye nezikrini ze-80 ze-mesh.
Isampulu efanayo ukwenza iimvavanyo ezintathu, thatha umyinge wayo kwisampulu yeziphumo zoxinaniso oluxekileyo, kunye neemvavanyo ezintathu ezifunyenwe ngumgubo wobunzima bexabiso eliphezulu kunye nexabiso elincinci lomahluko kufuneka libe ngaphantsi kwe-1g, kungenjalo uqhubeke nokuvavanya, kude kubekho ubunzima obuthathu bobukhulu kunye nexabiso elincinci lomahluko lingaphantsi kwe-1g, usebenzisa idatha emithathu ukubala ixabiso loxinaniso.

Phakathi kwabo:
ρh: ingxinano ekhululekileyo;
V: Umthamo (nantsi i-100)
m1: Vavanya umgangatho wesampuli okokuqala
m2: Vavanya umgangatho wesampuli okwesibini
m3: Vavanya umgangatho wesampuli okwesithathu.

Imilinganiselo yobugcisa:
1. Umthamo we-cylinder yokulinganisa: 25cm3, 100cm3
2, indawo yokuvula ifaneli: 2.5mm, 5.0mm, okanye 12.7mm
3, ukuphakama kwefaneli: 25mm, 115mm
4, taper yefaneli:60°

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