ACE Controls Main Catalog - ACE - #13

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11 ACE Controls Inc. · 800-521-3320 · (248) 476-0213 · Fax (248) 476-2470 · www.acecontrols.com · email: shocks@acecontrols.com V1 Weight, Vertical Free Fall Examples: Elevator Emergency Stops, Flying Shears, Test Equipment V2 Weight Sliding Down Incline Inclined Non-Powered Conveyor, Package Chute, Parts Transfer Ramp V3 Down Incline with Propelling Force Inclined Conveyor Belt, High Speed Safety Doors V4 Up Incline With Propelling Force Elevator, Inclined Power Conveyor V5 Down Incline with Counter Weight Lifting Door with Counter Balance W = Moving Weight (lbs) V = Impact Velocity (ft/sec) Fp = Known Propelling Force (lbs) M = Total Distance Moved by Weight (inches) D = Distance Moved by Weight to Shock (inches) A = Angle of Inclined Plane (°) Wcw = Counter Weight (lbs) C = Cycles per Hour (/hour) s = Stroke Length of Shock Absorber (inches) F = Propelling Force at Shock Absorber (lbs) E1 = Kinetic Energy (in lbs) E2 = Propelling Force Energy (in lbs) E3 = Energy per Cycle (in lbs) E4 = Energy per hour (in lbs/hour) We = Effective Weight (lbs) FORMULA D = (M) - (s) V = �ã(5.4)•(D)•SIN(A) F = (W)•SIN(A) E1 = (0.186)•(W)•(V2) E2 = (F)•(s) E3 = E1 + E2 E4 = (E3)•(C) We = E3 / [(0.186)•(V2)] D = (18) - (3) = 15 inches V = �ã(5.4)•(15) = 9 ft/sec F = 200 = 200 lbs E1 = (0.186)•(200)•(92) = 3,013.2 in lbs E2 = (200)•(3) = 600 in lbs E3 = 3,613.2 = 3,613.2 in lbs E4 = (3,013.2)•(60) = 216,792 in lbs/h We = 3,013.2 / [(0.186)•(92)] = 239.8 lbs EXAMPLE W = 200 lbs M = 18 inches C = 60/hour s = 3 inches V1 - Select from Model Rating Chart: MA 4575 D = (M) - (s) V = �ã(5.4)•(D)•SIN(A) F = (W)•SIN(A) E1 = (0.186)•(W)•(V2) E2 = (F)•(s) E3 = E1 + E2 E4 = (E3)•(C) We = E3 / [(0.186)•(V2)] D = (15) - (2) = 13 inches V = �ã(5.4)•(13)•SIN (30) = 5.9 ft/sec F = 500 = 500 lbs E1 = (0.186)•(1,000)•(5.92) = 6,474.7 in lbs E2 = (500)•(2) = 1,000 in lbs E3 = 6,474.7 + 1,000 = 7,474.7 in lbs E4 = (7,474.7)•(190) = 1,420,193 in lbs/h We = 7,474.7 / [(0.186)•(5.92)] = 1,154.5 lbs W = 1,000 lbs M = 15 inches A = 30° C = 190/hour s = 2 inches V2 - Select from Model Rating Chart: MCA 6450-1 or -2 F = (W)•SIN(A)+(Fp) E1 = (0.186)•(W)•(V2) E2 = (F)•(s) E3 = E1 + E2 E4 = (E3)•(C) We = E3 / [(0.186)•(V2)] F = (100)•SIN(15)+(50) = 75.9 lbs E1 = (0.186)•(100)•(22) = 74.4 lbs E2 = (75.9)•(0.5) = 38 in lbs E3 = 74.4 + 38 = 112.4 in lbs E4 = (112.4)•(30) = 3,370.5 in lbs We = 112.4 / [(0.186)•(22)] = 151.1 in lbs W = 100 lbs V = 2 ft/sec Fp = 50 lbs A = 15° C = 30/hour s = 0.5 inches V3 - Select from Model Rating Chart: MC 150H F = (Fp)-(W)•SIN A E1 = (0.186)•(W)•(V2) E2 = (F)•(s) E3 = E1 + E2 E4 = (E3)•(C) We = E3 / [(0.186)•(V2)] F = (600)-(450)•SIN(90) = 150 lbs E1 = (0.186)•(450)•(12) = 83.7 in lbs E2 = (150)•(1) = 150 in lbs E3 = 83.7 + 150 = 234 in lbs E4 = (234)•(60) = 14,040 in lbs/h We = 2341 / [(0.186)•(12)] = 1,258.1 lbs W = 450 lbs V = 1 ft/sec Fp = 600 lbs A = 90° C = 60/hour s = 1 inch V4 - Select from Model Rating Chart: MA 600 or SC 650-4 F = (W)•SIN (A)-Wcw E1 = (0.186)•(W)•(V2) E2 = (F)•(s) E3 = E1 + E2 E4 = (E3)•(C) We = E3 / [(0.186)•(V2)] F = (1,500)•SIN(45)-500 = 560.7 lbs E1 = (0.186)•(1,500)•(0.52) = 69.8 in lbs E2 = (560.7)•(1) = 560.7 in lbs E3 = 69.8 + 560.7 = 630.5 in lbs E4 = (636)•(1) = 630.5 in lbs/h We = 630.5 / [(0.186)•(0.52)] = 13,559.1 lbs W = 1,500 lbs V = 0.5 ft/sec A = 45° Wcw = 500 lbs C = 1/hour s = 1 inch V5 - Select from Model Rating Chart: ML 3325 Inclined and Vertical Sizing Examples