Extraneous Load Factors

Doc#: EL1015 Model #LCB400 (L1658) Series

Equation: σmax ≥ (A)Fx + (B)Fy + (C)Fz + (D)Mx + (E)My + (F)Mz

LCB400 3axis outline

Material: Aluminum 2024-T4 (AL*), 17-4 P.H. Stainless Steel

MODEL # CAPACITY (lb) A B C D E F
LCB400 (AL*) 1,000 283.18 283.18 19.12 138.86 129.52 129.52
2,000 173.37 173.37 10.35 67.60 67.60 63.31
LCB400 3,000 133.86 133.86 8.17 55.45 55.45 51.09
5,000 186.33 186.33 10.92 76.45 76.45 71.24
10,000 141.73 141.73 5.88 44.34 44.34 42.99

Table: σmax

Material Static Load (=60% Y.S.) Fatigue (Non Reversing Loads) Fatigue (Full Reversing Loads)
12024-T4/T351 28,000 18,000 15,000
17-4 PH S.S. 87,000 78,000 62,000*

*Value is 75% of Fatigue Strength based on 10-20 x 106 cycles and allow for factors that influence Fatigue such as surface finish, stress concentrations, corrosion, temperature and other variables for the production of the transducer, for infinite Fatigue Life (100 x 106) use 75% of values shown.

Deflection & Natural Frequency
MODEL # CAPACITY (lb) DEFLECTION (in.) NATURAL FREQUENCY (Hz) β
LCB400 (AL*) 1,000 (AL*) 0.0016 6,100 0.1639
2,000 (AL*) 0.0021 7,500 0.1639
LCB400 3,000 0.0011 7,400 0.4862
5,000 0.0022 6,800 0.4862
10,000 0.0031 8,100 0.4862

Natural Frequency & Frequency response equations:

Natural Frequency & Frequency Response Equations

*Where β values are obtained by FUTEK Engineers