cooc

* Wire rope safety factor calculation of hoisting device (Indoor EOC) * Rated load : R = ton * Hook(attachment) weight : A = ton * No. of wire rope fall : N = fall * Wire rope reeving efficiency : Er = (Refer to sheave bearing) * Used Wire rope dia. : Dw = (Refer to catalogue) * Wire rope min. breaking load : Fb = (Refer to catalogue) * Required wire rope safety factor : Sr = (Refer to specifica..

* Hoisting speed : V = m/min * Rated load : R = ton * Hook(attachment) weight : A = ton * Wire drum & wire rope weight : Dw = ton * No. of wire rope fall : N = fall * Wire rope reeving efficiency : Er = * Wire drum groove PCD : PCD = cm * Wire drum overall length : DL = cm * Wire drum groove length(bearing side) : DL1 = cm * Wire drum groove length(reducer side) : DL2 = cm * Wire drum no groove ..

* Rated load : R = ton * Hook(attachment) weight : A = ton * Wire drum & wire rope weight : Dw = ton * No. of wire rope fall : N = fall * Wire rope reeving efficiency : Er = * Wire drum india. : d1 = cm * Wire drum outdia. : d2 = cm * Wire drum thickness(shell) : H = cm * Wire drum groove pitch : Pi = cm * Wire drum overall length : DL = cm * Wire drum groove length(bearing side) : DL1 = cm * Wi..

* 크레인 제작.설치시의 검사 및 시험의 항목과 순서 크레인 제작.설치시의 검사 및 시험에 관해서는 주문주(발주처)의 시방에 의거하여 검사 및 시험 계획서(ITP : Inspection & test plan)를 작성하여 주문주(발주자)의 승인을 득한 후 시행하게 되는데 일반적인 검사 및 시험의 항목과 순서 등은 다음과 같다. 1. 강재 및 기계부품검사 1) 강구조용 강재 (1) 강재의 치수 및 표면검사 (2) 강재의 Mill sheet (Certificate) check (치수, 재질, Lot no.) (3) 필요시 강재의 건전성 확인을 위한 비파괴검사 (RT,UT,MT,PT) (4) 강재의 마킹 및 절단치수검사 (현도의 치수검사) (5) 도면에 지정된 기계가공부에 대한 절단치수검사 (기계가공 여유) 2..

* Wheel shaft calculation of trolley drive (Indoor EOC) * Max. wheel load : Pmax = ton (Refer to wheel dia. calculation : wheel load) * Trolley drive motor power : Pu = kw * Trolley drive motor rpm : N = rpm * Trolley drive reducer gear ratio : i = 1/ * Wheel shaft dia : D = cm (Inclusion keyway) * Wheel shaft dia : d = cm (Exclusion keyway) * Wheel shaft length : c = cm * Wheel boss breadth : b..

* Wheel shaft calculation of bridge drive (Indoor EOC) * Max. wheel load : Pmax = ton (Refer to wheel dia. calculation : wheel load) * Bridge drive motor power : Pu = kw * Bridge drive motor rpm : N = rpm * Bridge drive reducer gear ratio : i = 1/ * Wheel shaft dia : D = cm (Inclusion keyway) * Wheel shaft dia : d = cm (Exclusion keyway) * Wheel shaft length : c = cm * Wheel boss breadth : b = c..

* Wheel dia. calculation of trolley drive (Indoor EOC) * Trolley drive(traversing) speed : V = m/min * Rated load : R = ton * Hook(attachment) weight : A = ton * Trolley self weight : T = ton (trolley frame & trolley drive & hoisting device & acc.) * Trolley wheel base : Wb = cm * Hook(attachment) approach : At = cm (Trolley wheel & hook(attachment) distance) * Trolley rail size : rail kg/m * Tr..

* Bridge drive(travelling) speed : V = m/min * Rated load : R = ton * Hook(attachment) weight : A= ton * Trolley self weight : T= ton (trolley frame & trolley drive & hoisting device & acc.) * Bridge self weight : B= ton (girder & saddle(rocker) & bridge drive & acc.) * Bridge span : S = cm * Hook(attachment) approach : Ab = cm (Bridge wheel & hook(attachment) distance) * Bridge rail size : rail..

* 단위환산 (SI단위로의 변환에서 단위의 환산율표) 압력 Pa bar kgf/cm^2 atm mmH2O mmHg 또는 Torr 1 1×10^-5 1.01972×10^-5 9.86923×10^-6 1.01972×10^-1 7.50062×10^-3 1×10^5 1 1.01972 9.86923×10^-1 1.01972×10^4 7.50062×10^2 9.80665×10^4 9.80665×10^-1 1 9.67841×10^-1 1.0000×10^4 7.35559×10^2 1.01325×10^5 1.01325 1.03323 1 1.03323×10^4 7.60000×10^2 9.80665 9.80665×10^-5 1.0000×10^-4 9.67841×10^-5 1 7.35559×10^-2 1.33322×10^2 ..

* Section properties calculation of girder box (Indoor EOC) * Flange thickness : t2 = cm (Upper & lower) * Flange breadth : C = cm (Upper & lower) * Flange outside distance(height) : A = cm * Flange inside distance(height) : A’ = cm * Web thickness : t1 = cm * Web outside distance : B = cm * Web inside distance : B’ = cm * x - x ∎Second moment of area (Geometrical moment of inertia) ∎Modulus of ..