>> P.437
운전패턴의검토리니어모터구동의경우●가속에따른힘FaFa=(WL+WT)ㆍ[N]Vta●가속에필요한추력FPFP=Fa+FL[N]:구름베어링의마찰계수(0.01)(LT170H:40N)(WL+WT)ㆍVㆍkFM-FL●한계가속시간tata=[s]μWT:가동부질량kgWL:탑재질량kgFR:주행저항NFc:케이블저항(1)N(LT시리즈:약1.0N)(NT시리즈:없음)FM:리니어모터추력NtaV:이동속도m/sgk:중력가속도9.8m/s2:안전계수(1.3)(이동속도V에대한최대추력):가속시간s[LT…CE,LT…LD의경우]●구름베어링의마찰저항FfFf=μ(WL+WT)g[N]단,Ff의최소치는다음의값으로합니다.LT100CE일때2.5NLT150CE일때5.0NLT130LD일때6.0NLT170LD일때6.0N●주행저항에따른힘FLFL=Ff+Fc[N][LT…H의경우]●주행저항FRLT170H:40N●속도계수fV이동속도V[m/s]0.5이하0.5초과1.0이하1.0초과1.5이하LT170H11.52.25주(1)케이블저항은,케이블질량이나가동방법에따라변동합니다.가상의저항치를이용하여계산해주십시오.●주행저항에따른힘FLFL=fVㆍFR+Fc[N][NT38V의경우]●주행저항에따른힘FLFL=0.25N[NT55V,NT80V의경우]●주행저항에따른힘FLFL=1.5N[NT80XZ의경우]●주행저항에따른힘FL수평축:FL=1.5N수직축:FL=0.5N(2)[NT90XZH의경우]●주행저항에따른힘FL수평축:FL=2.0N수직축:FL=2.0N(2)[NT88H의경우]●주행저항에따른힘FLFL=0.5N주(2)수직축은스프링에의한밸런스기구를가정하여,스트로크범위의중앙부근에서합당한점으로부터±5mm이동시키는경우의저항값을표시합니다.실제의계산에서는,스프링의설치위치나스트로크양에따라다르기때문에,실제장치에서확인하여주십시오.Ⅲ-25
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