AA-SM-009-004 Lug Analysis Pin Bending.xlsx Enjoy! Here's a simple sizing calculator for the most basic type of lifting lug. As discussed in Reference 1, using a "factor" of 1.8 on AISC allowables results in a factor of safety of 5 for A36 steel. Select a metric shackle from the lookup table based on the force on the lug or click the SHACKLE button to enter your own shackle and lug data. 1.04962 Microprotol 32.9.0.5 - Jul 2010 procal V32.9.0.5 - 01/07/2010 8 prodia2 V32.9.0.5 - 1/07/2010 EuResearch Input data list Design Parameters. When lifting and carrying precast elements, the lifting load has to be multiplied by the f factor. Ede Jaimes. A lug, also known as a lifting lug or a padeye, is essentially a plate with a hole in it where the hole is sized to fit a clevis pin. Both the Standard and Pro version of MecaLug will allow the user to perform lifting lug calculations for a single Padeye / lifting lug. There are a variety of different Padeye / lug configurations that can be chosen to suit the specific needs. Industry codes of practice caution against attempts to lift or move mechanical equipments by wrapping chains or cables around the equipment. A lifting hook is a looped shaped smooth rebar of S235C, anchored in the precast unit and used for demoulding, transportation and lifting. Design spreadsheets and tools for calculations of the connections with pins and lifting lugs in compliance with international codes (Eurocode) and technical literature. Lifting Lug Industry codes of practice caution against attempts to lift or move mechanical equipments by wrapping chains or cables around the equipment. Lifting Lug Design Calculator Slide the size, design type, depth, stress, and riser requirement into the calculator to get the needed information. Lifting Lug Calculation - Free download as PDF File (.pdf), Text File (.txt) or read online for free. For a single lug analysis, this will contain a complete analysis of the lug per ASME BTH-1, considering each of the load cases entered by the user. Each lift point consists of a padeye which is welded to the structure and connected to the sling by a shackle. A lifting lug or a padeye, is essentially a plate with a hole in it where the hole is sized to fit a clevis pin. allowable end area. The design of lifting lugs is so general and there are many failure modes to be considered (stresses in shell, shear in the lifting pin, bending in the pin, shear pull-out in the lug, bending of the lug, tension and buckling of the lug, etc) that this is best left for another discussion. Guideline Lifting Lug Design. L = K Ftux, (e / D 1.5) (9-1b) The graph in Figure 9-2 applies only to cases where D/t is 5 or less, which covers most of the cases. C.I Injection system (A-6810) - Permas Field Substructure Weight of component to be lifted Component force acting on beam, F Impact factor SKID LUG SIZING Distance from lug hole to edge of beam, k df. Design Calculations Deisohexanizer Reboiler E-610 29 July 2010 Revision : 0 Ref. Class is determined by the selected lifting system (for example, class H1 for a bridge crane, class H4 for a Documentation Lifting beams are classified as lifting accessories and fall within the scope of the Supply of Machinery (Safety) Regulations 2008. The lugs being used and orientation (if necessary) en Change Language. Posted in Technical Library, What's New Calculations are given for wind, seismic, vehicular, piping, and other loads. The user can enter a desired factor of safety (most applications, F.S. 3.898515 N/mm2 11783.33 mm3 1414 mm2. When modelling the lifting system the user will need to specify the following: Lifting System Configuration. Lifting Lug Metric (S.I.) As discussed in Reference 1, using a "factor" of 1.8 on AISC allowables results in a factor of safety of 5 for A36 steel. LIFTING LUG DESIGN CALCULATION tL rL d k TL htl hp r hc Wp b a tp Lp Weight of vessel, We 1.1 2.0 3.0 4.0 4 . Lifting lug design usa air force method kezar engineering. Lifting Lug Design Calcs as 4100. Max Combined Stress due to Fx + Fy, S=SQRT [ (S1+S3)+S2] S. 10 50 25 25 40 10 6 14.14 0.6. ye-kyaw-aung. steel sections, and lifting lug capacities. Close suggestions Search Search. Lifting lug design is very critical and hence mostly done using FEA software. The basic design of a lifting lug is consists of four parts; the design of lug plate, verifying the weld used to connect it to a shell or structure, checking the bearing stress at the pin-hole and. confirming the end area of the lug. R = edge distance (distance from center of hole to edge of lug in direction of applied load) r = radius of curvature of edge of lug (greater than or equal to R) a = distance from edge of hole to edge of lug = R 0.5 D h w = width t = thickness (not shown in figure -- thickness is into the page) 77 3 3MB Read more. Combined stress of the lug plate. 1 .0 LIFTING LUG DESIGN CALCULATION (B) SCHEMATIC DIAGRAM OF 2 NOS LUGS WITH NO More details. As the typical industrial applications of a lifting lug pose immense safety risks in the incident of failure, heavy load analysis calculations must be considered when making one. adammzjin. Doc no- FEWA 04EW/10 Rev no 0 RO DESALINATION PLANT AT AL ZAWRAH, Prestige Engineering Project- AJMAN Date 11/7/2012 Title LIFTING LUG CALCULATIONS Qty 2 Tag no Pg 1 LIFTING CALCULATIONS Erection Weight,P-Kg 7000 68600 (N) Impact factor,F 2 No of Lugs 4 Lug dimensions Angle of lift, degrees 0 h= 120 mm a= 240 mm b= 240 mm f= 120 mm d= 80 mm t= Lifting Angle Tension in Sling Force. Padeye Parts. The user can enter a desired factor of safety (most applications, F.S. Select a metric shackle from the lookup table based on the force on the lug or click the SHACKLE button to enter your own shackle and lug data. L = K a D Ftux, (e / D < 1.5) (9-1a) Fbru. Lifting Lug Design Calcs as 4100. I used a bearing force in Inventor and tried the same in Solidworks with identical results. Stress of Weld Fron force Fx, Bending Shear Combined From Force Fy, Shear. Hello, I'm designing a lift lug for 25000lbs. We recommend that, if possible, should be kept to 30. Lifting Lug Design Calculator Slide the size, design type, depth, stress, and riser requirement into the calculator to get the needed information. Lifting Lug Calculation. Courtesy: Bishop Lifting Lifting Lug Design Courtesy: Winsafe. = 5.0). Users are also directed to popular vendor catalogues to acquire commonly used items, such as If D/t is greater than 5, there is a reduction in strength which can be approximated by the curves in Figure 9-3. The program will determine the ultimate strength of the lifting lug based on several checks and will apply the desired factor of safety to the strengths ENGINEERING DESIGN OF LIFTING LUGS. lifting gear used, appear. General data and assumptions . calc. Design/Evalution of Overhead Lifting Lugs Page 7 1. Lifting factor f is the acceleration factor. RESTRICTED Feb-13 Docu . Lifting Lug Design Excel May 1st, 2018 - Pressure Vessel Lifting Lug Design Calculation Xls Pdf Free Download Here PRESSURE VESSEL DESIGN CALCULATIONS Global Pipeline Engineering' 'NCSX PPPL GOV APRIL 30TH, 2018 - LUG FU LUG FY FY FTU MINIMUM DESIGN FACTOR REF ASME BTH 1 2005 DESIGN OF BELOW THE HOOK LIFTING DEVICES PAGES 23 The program will determine the ultimate strength of the lifting lug based on several checks and will apply the desired factor of safety to the strengths to attain allowable loads for the lifting lug. LUG DESIGN [XLS] Bhartendu Patni. * Note: Max proof load is 2.2 times the working load limit. sling angle, q = Max. The calculator has been designed for use with a simple s106 Lifting Lug on page 7 of the specification for the Air Force Method of design for the determination of design conditions. padeye design and calculation. PadEyes uses the compatibility of a well-known shackle design to dimension a suitable mating padeye. Design/Evalution of Overhead Lifting Lugs Page 7 1. Min Ult Strength is 6 times the working load limit. Combined stress of the lug plate. With the angle formed between : the two slings connecting the most distant points if no specific balancing system is used. Tel: 0845 270 2919 - INT: 00 44 161 223 1990 - Email: sales@dale-lifting.co.uk - Web: www.dlhonline.co.uk 11 7. Minimum required factor of safety is 3. The lifting classes are described in DIN 15018. LugCalc is a calculator software tool for lug analysis theory and estimating the static structural strength of pinned lug joints used in mechanical designs. Lifting lugs are a temporary attachment that may be removed from the shell before operation. PadEye Calculator (shackle compatibility & design capacity) A padeye (Fig 1; sometimes referred to as 'padear') is a term used to describe a specialised lug for attaching lifting or restraint shackles. The user can enter a desired factor of safety (most applications, F.S. = 5.0). df. 135 1 169KB Read more. or English (U.K.) Units System can be selected for the calculation. Close suggestions Search Search. I did some simple hand calcs and stress was significantly lower. For the lifting system, a complete analysis of the loads in each cable, at each crane point, and acting on the lugs. Historically, lugs have been over-designed since weight and size requirements were for the most part, unrestricted. LUG DESIGN [XLS] Bhartendu Patni. MecaLug is a complete lifting lug calculations software package. Tools di progettazione per il calcolo delle connessioni con perni e di occhioni di sollevamento secondo le norme internazionali (Eurocodici) e la letteratura tecnica. Pressure Vessel. A lifting lug or a padeye, is essentially a plate with a hole in it where the hole is sized to fit a clevis pin. Lifting Lug rigging operations. In this sense they are no different than any temporary clip added to facilitate handling during shop fabrication. Ede Jaimes. DESIGN LOAD: SLING TENSION P = FOS * Ts P LIFTING ANGLE a ACTUAL OUT OF PLANE ANGLE b VERTICAL FORCE ON PADEYE Fz = P * sin a Fz OUT OF PLANE FORCE Fyl = P * sin b Fyl HORIZONTAL FORCE ON PADEYE Fx = P * cos a Fx Horizontal dist.PIN CL to N.A. exl STRESS CHECK AT BASE Moment Calc at distance , H In Plane Moment My = ( Fx*H ) - ( Fz*ex l) My Symmetrical pad-eyes may also be used for sling angles of upto 60 degrees with the horizontal/base of pad-eye. Open navigation menu. The applied shear load, Vapp, used to design the shear lug should be computed as follows: Vapp = Vua - Vf 9.2 Design Procedure for Shear Lug Plate Design of a shear lug plate follows (for an example calculation, see Appendix Example 3, this Practice): a. It is therefore required that they are supplied with an EC Declaration Wd=C x We. df. Open navigation menu. Lifting calculation method 5. Lifting Lug and Support Lug. "LIFTING_LUG" is a spreadsheet program written in MS-Excel for the purpose of analysis of lifting lugs, used in rigging operations. Petroleum Development Oman LLC Revision: 0 Effective: Sep-08 Petroleum Development Oman L.L.C. The tensile force on the anchor is increased with a spread angle factor z. DESIGN LOAD PER LIFTING LUG Pvert = Nominal Shackle Size (in.) Lifting Lug Calculation - Free download as PDF File (.pdf), Text File (.txt) or read online for free. For values f eD less thn 1.5, lug failures are likely to involve shear-out or hoop tension; and for values of eD greater than 1.5, the bearing is likely to be critical. df. Lifting lugs are designed with the load and range of load that it can carry in mind. Design of a lifting lug with overlapping plate joint subjected to a sloped force The previous lug is verified considering the case with the main plate overlapping the bottom structure with a welding line all around its perimeter. en Change Language. allowable end area. In addition, th lug nd bushing must b checked to nsure that the dformations at design yieId load are nt excessive. Pad-eye shapes can vary depending on use. Lug sizing theory is used to design lugs used as connector elements to transfer structural loads with pins. The calculator has been designed for use with a simple s106 Lifting Lug on page 7 of the specification for the Air Force Method of design for the determination of design conditions. Description. Lifting factor f is the acceleration factor. Spreader Bar Calculation. The load carried by each lug should be determined by distributing the total applied load P among the lugs as indicated in Figure 9-13, b being obtained in Table 9-2. Crosby Alloy Anchor Shackles, G-2140 S-2140 J K Gasket : Grooved Metal + Graphite Layer Inside the Bolt Circle k0(mm)= k0.KD(N/mm) = 20*BD KD= 0 MPa DIN 2505 k1(mm) = 1.1*BD KD= 0 MPa DIN 28090 VU= 0 MPa VO= 0 MPaBO= 0 MPa FlangeNo.2 GF02 Channel girth flange and there is a fully automated sheet that does all of the calculations and calculates the interaction: AA-SM-009-005 Lug Analysis Compact Oblique.xlsx There is also a spreadsheet that calculates the complex pin bending effect. Lifting Lug. There is an ASME standard called 'ASME BTH-1 Design of Below-the-Hook Lifting Devices' which provides minimum structural design requirements for below-the-hook lifting devices, such as your lifting lugs. Design Code : AD-MERKBLAETTER 2000 (11-2007) Karman Effects Prevented by 3 Helicoidal Plates at 120 : no SHEAR ALLOWABLE Fv = 0.4Fy TENSION ALLOWABLE Ft = 0.6Fy COMBINED STRESS ALLOW Fa = 0.66Fy BEARING STRESS ALLOW = 0.9FY COMBINED STRESS ALLOW Fa = 0.66Fy AREA A=b*t SECTION Sx=t*b2/6 Sy=b*(t2)/6 SHEAR fv = Ph/A SHEAR RESULTANT fvr =(fv2+(PER/100*fv)2)0.5 IN PLANE BENDING STRESS = Ph*h/Sx