>> P.287
2-237-정밀도의등급-표3허용차및허용치단위mm등급(등급기호)항목상급정밀급초정밀급(H)(P)(SP)H의치수차±0.040±0.020±0.010W의치수차±0.050±0.025±0.015H치수의상호차(1)0.0150.0070.005W치수의상호차(1)0.0200.0100.007트랙레일의평행도ΔH그림1.1,그림1.2에따름트랙레일의평행도ΔW그림1.1,그림1.2에따름주(1)일한트랙레일에조합된슬라이드멤버끼리의상호차를나타냅니다.BHW/LAH/LWBAΔΔ그림1.1LWLM의트랙레일의평행도0510150200600400800트랙레일길이Lmm0510150200400600800트랙레일길이Lmm정밀급(P)초정밀급(SP)상급(H)상급(H),정밀급(P)초정밀급(SP)ΔΔ평행도Hμm평행도Wμm(a)평행도HΔ(b)평행도WΔ그림1.2LRWM의트랙레일의평행도0102030400100020003000트랙레일길이Lmm0102030400100020003000트랙레일길이Lmm정밀급(P)초정밀급(SP)상급(H)상급(H),정밀급(P)초정밀급(SP)평행도HμmΔΔ평행도Wμm(a)평행도HΔ(b)평행도WΔ상급정밀급초정밀급:H:P:SP정밀도등급에대한세부사항은표3을참조하십시오.정밀도의등급5
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