 Home
 Products
 Integration
 Tutorial
 Barcode FAQ
 Purchase
 Company
vb.net barcode reader code Fh3 Ap in Software
Fh3 Ap ECC200 Decoder In None Using Barcode Control SDK for Software Control to generate, create, read, scan barcode image in Software applications. Make DataMatrix In None Using Barcode generator for Software Control to generate, create Data Matrix 2d barcode image in Software applications. Rolling Element, Hydrodynamic and Hydrostatic Bearings Q = 14
Data Matrix ECC200 Recognizer In None Using Barcode recognizer for Software Control to read, scan read, scan image in Software applications. ECC200 Maker In C# Using Barcode drawer for .NET framework Control to generate, create DataMatrix image in .NET applications. Q = 430 in3/s Hf = 26 (Figure 659) Make ECC200 In .NET Using Barcode maker for ASP.NET Control to generate, create Data Matrix image in ASP.NET applications. Drawing Data Matrix In .NET Framework Using Barcode encoder for VS .NET Control to generate, create Data Matrix 2d barcode image in VS .NET applications. 4000 00053 196 83 10 6 Draw Data Matrix ECC200 In VB.NET Using Barcode maker for .NET Control to generate, create Data Matrix ECC200 image in .NET applications. Generate UPCA Supplement 5 In None Using Barcode creator for Software Control to generate, create UPC Code image in Software applications. 7046438 mm3/s
Barcode Generator In None Using Barcode printer for Software Control to generate, create barcode image in Software applications. EAN / UCC  13 Drawer In None Using Barcode printer for Software Control to generate, create GS1128 image in Software applications. F h3 P = Hf Ap
Code128 Maker In None Using Barcode maker for Software Control to generate, create Code 128 image in Software applications. Painting EAN13 In None Using Barcode generation for Software Control to generate, create European Article Number 13 image in Software applications. 3 4000 0005 P = 26 6 196 83 10 P = 1631 lbin/s 2
Create International Standard Book Number In None Using Barcode drawer for Software Control to generate, create International Standard Book Number image in Software applications. Decoding USS128 In Visual Basic .NET Using Barcode recognizer for VS .NET Control to read, scan read, scan image in VS .NET applications. 1631 12 550 P = 0247 hp
Generating USS Code 39 In None Using Barcode creator for Online Control to generate, create USS Code 39 image in Online applications. Encode Code 3 Of 9 In ObjectiveC Using Barcode maker for iPad Control to generate, create Code 39 Extended image in iPad applications. 18416 W Scanning Barcode In .NET Framework Using Barcode decoder for .NET framework Control to read, scan read, scan image in .NET framework applications. Scan EAN13 Supplement 5 In VB.NET Using Barcode decoder for .NET Control to read, scan read, scan image in Visual Studio .NET applications. (b) Multirecess circular pads Other than having a circular shape, hydrostatic pads can have shapes such as square, rectangular, annular recess circular, conical spherical, multirecess circular, multirecess rectangular, rectangular with radiussed recess corners and annular multirecess Example: MultiRecess Circular Pad Hydrostatic Bearings The design for the foregoing example is repeated for the multirecess circular pad arrangement as shown in Figure 658 (a) The required design data are presented in Figure 658 (b) As the suggested design value for C/R is between 015 and 025, the C/R ratio for the design purpose of this problem is assumed to be 020 Therefore, from Figure 658 (b), the coefficients A and B are read as 066 and 22, respectively The bearing pad area is calculated as follows: F = A pR A p Drawing 1D In .NET Using Barcode creation for ASP.NET Control to generate, create 1D Barcode image in ASP.NET applications. Create EAN13 Supplement 5 In ObjectiveC Using Barcode encoder for iPhone Control to generate, create EAN / UCC  13 image in iPhone applications. F APR 4000 Ap = 066 400
Ap =
Ap = 1515 in2 977515 mm2 The radius, R, can be determined from the following relation: Ap = pR2 R =
Precision Engineering
R = 220 in 5578 mm The land width, C, can be calculated from the C/R ratio
C = 020R C = 020 (220) C = 044 in 1118 mm The clearance, h, is recommended to be between 0001 and 001 in Assume h = 0005 in = 0127 mm The viscosity can be obtained from Figure 635 for a given type of lubricant and temperature In this case, it is assumed that viscosity, = 83 10 6 lbs/in2 The oil flow can be approximated as A pQ Fh 3
C = 020 R
Q = Q =
Fh3 B Ap 4000 00053 22 1515 83 10 6
Q = 875 in3/s 143 35179 mm3/s The pumping power can be calculated as P = PRQ P = 400 875 P = 3500 lbin/s 3500 P = 12 550 P = 0530 hp 39517 W From Table 69, it can be seen that for a similar load, circular pads require less lubricant flow and pumping power However, multirecess bearings are superior because they are able to exert a Table 69 Comparison between a circular pad and a multirecess circular pad Circular pad Oil flow, Q Pumping power, P 430 in3/s 0247 hp Multirecess circular pad 875 in3/s 0530 hp Rolling Element, Hydrodynamic and Hydrostatic Bearings
Fig 658: Multirecess circular pad data for load and flow: (a) bearing geometry and (b) bearing coefficients (suggested design value 015 < C/R < 025) [19] Precision Engineering
selfaligning torque when the film is nonparallel Similarly, different pads can be tested to obtain an arrangement that is most suitable for a particular application (c) Rectangular pads The design of hydrostatic thrust bearings for worktable application is illustrated using Stansfield s [17] approach with an example to further enhance the understanding of the procedure Example: Rectangular Pad Hydrostatic Bearings Figure 659 shows an arrangement of 10 hydrostatic pads designed to meet the following specification for the worktable of a large planing machine (Figure 638 (b)) [17] Minimum load, most lightly loaded pad Maximum load, most heavily loaded pad Nominal (design) working load per pad Maximum permissible range of deflection 1 350 lbf 10 660 lbf 6 000 lbf 0003 in SI units 6 010 N 47 400 N 26 700 N 00762 10 3 m Fig 659: Arrangement of hydrostatic pads on a planer table [17] The information given is listed as follows: a = 775 in b = 1200 in c = 200 in r(int) = 0828 in dR = 003345 in l = 341 in h = 0002 in 197 10 3 m 305 10 3 m 508 10 3 m 210 10 3 m 085 10 3 m 865 10 3 m 00508 10 3 m
Rolling Element, Hydrodynamic and Hydrostatic Bearings
Fig 660: Dimensions of a rectangular pad [17] Dynamic viscosity, h = 5 10 6 lbf s in 2 0345 N s m 2 Supply pressure, Ps = 225 lbf in 2 155 106 N m 2 1 (maximum) Relative sliding velocity, n = 50 in s 127 m s 1 Number of pads, n = 10 A condition when the applied load is equal to the design load and the clearance, h, is equal to the design clearance, hd, is known as the design condition In addition, if r(int) = 0414c, the design can be greatly simplified Furthermore, the value of the resistance ratio, z, is taken as unity because this value gives the highest stiffness for any design thrust capacity Inflow Resistance, Ri capillary inflow restrictor For an inflow restrictor of a simple capillary tube of a constant and circular crosssection, assuming that the flow occurs in the capillary is purely laminar, and the drop in pressure locally at the inlet to and exit from the capillary is negligible, the inflow resistance, Ri, is given by 128l Ri = 4 dR Ri = 128 341 5 10 6 ( 003345 )

