barcode printing c# .net CAM DESIGN HANDBOOK in Software

Print DataMatrix in Software CAM DESIGN HANDBOOK

CAM DESIGN HANDBOOK
Create DataMatrix In None
Using Barcode generator for Software Control to generate, create Data Matrix 2d barcode image in Software applications.
Data Matrix ECC200 Reader In None
Using Barcode reader for Software Control to read, scan read, scan image in Software applications.
Acceleration of output motion
Generate Data Matrix 2d Barcode In Visual C#
Using Barcode creation for .NET framework Control to generate, create DataMatrix image in .NET applications.
Creating ECC200 In .NET
Using Barcode creator for ASP.NET Control to generate, create ECC200 image in ASP.NET applications.
Spline (k = 10) Optimized Polydyne 10 0 5 Normalized time 1
DataMatrix Maker In VS .NET
Using Barcode creation for Visual Studio .NET Control to generate, create DataMatrix image in Visual Studio .NET applications.
Create DataMatrix In VB.NET
Using Barcode generator for VS .NET Control to generate, create ECC200 image in .NET applications.
FIGURE 526 Normalized acceleration of output motions for spline (k = 10) and optimized polydyne in Example 8
Painting Code 39 In None
Using Barcode printer for Software Control to generate, create Code-39 image in Software applications.
Bar Code Generator In None
Using Barcode encoder for Software Control to generate, create bar code image in Software applications.
Evaluation of the Follower Response The physical parameters of the cam-follower system used are: M = 075 lb, Ks = 200 lb/in, Kf = 10000 lb/in, wd = 1000 rpm, b = p /3 rad h = 05 in and Fp = 70 lb A damping ratio of 05(Cs + Cf)/M/wn = 02 is used (Rothbart, 1958) and the damping coef cients Cs and Cf are set equal The performance of the spline-based motion as compared to the optimized polydyne motion is shown in the following gures Table 57 shows the peak values of vibrations and contact forces for these two output motions Figure 529 compares the amplitudes of primary and residual vibrations of the two motions with the damping values given above Finding the Cam Motion To solve differential Eq (518) for the cam displacement and its derivatives, the spline collocation method is applied again Here the seven boundary conditions cited earlier must be satis ed Also the left side of Eq (518) at the 64 collocation points must be satis ed Application of these constraints yields a total of 71 conditions requiring 71 B-splines Splines of order k = 11 are used, requiring the knots at t = 0 and 1 to be repeated eleven times Again, at mesh points of t = 1/16, 2/16, , and 15/16 the knots are repeated four times each As before a system of linear equations is assembled and solved for the unknown coef cients in Eq (56) Once this is done, the
Encode UCC.EAN - 128 In None
Using Barcode generator for Software Control to generate, create GS1-128 image in Software applications.
UCC - 12 Drawer In None
Using Barcode printer for Software Control to generate, create Universal Product Code version A image in Software applications.
CAM MOTION SYNTHESIS USING SPLINE FUNCTIONS
Data Matrix Creator In None
Using Barcode creation for Software Control to generate, create ECC200 image in Software applications.
Painting Barcode In None
Using Barcode encoder for Software Control to generate, create barcode image in Software applications.
Jerk of output motion
Generating Postnet In None
Using Barcode generator for Software Control to generate, create USPS POSTal Numeric Encoding Technique Barcode image in Software applications.
UPCA Creator In Java
Using Barcode creation for Java Control to generate, create UPC Symbol image in Java applications.
Spline (k = 10) Optimized Polydyne 80 0
EAN-13 Supplement 5 Generation In Java
Using Barcode generator for Java Control to generate, create EAN13 image in Java applications.
DataBar Creation In Java
Using Barcode drawer for Java Control to generate, create GS1 DataBar image in Java applications.
FIGURE 527 in Example 8
European Article Number 13 Generator In .NET Framework
Using Barcode drawer for .NET Control to generate, create GS1 - 13 image in VS .NET applications.
Scanning UPC-A Supplement 5 In VS .NET
Using Barcode scanner for Visual Studio .NET Control to read, scan read, scan image in .NET framework applications.
5 Normalized time
Paint UPC Symbol In .NET Framework
Using Barcode generation for Reporting Service Control to generate, create UPC Symbol image in Reporting Service applications.
Read Bar Code In Java
Using Barcode recognizer for Java Control to read, scan read, scan image in Java applications.
Normalized jerk of output motions for spline (k = 10) and optimized polydyne
TABLE 57
Peak Values of Dynamic Response with Damping Ratio = 02 Residual vibration peak (in) 001181 001220 Primary vibration peak (in) 001539 001604 Interior peak contact force (lb) 21342 21638
Case Spline Polydyne
Damping Cf = CS Cf = Cs
cam motion is easily determined as described earlier Figures 524 to 532 provide a convenient means of interpreting the outcome Figures 530 to 532 show the cam displacements, velocities, and accelerations found from Eq (518) for the two cases being compared It can be seen from Figure 532 that the cam accelerations of these output motions appear to have small discontinuities at t = 1 However, the motion carried on into the dwell period is continuous
144 1500
CAM DESIGN HANDBOOK
Deriative of jerk of output motion
Spline (k = 10) Optimized Polydyne 1500 0 5 Normalized time 1
FIGURE 528 Normalized fourth derivative of output motions for spline (k = 10) and optimized polydyne in Example 8
This example demonstrates that the combination of the spline interpolation procedure and the spline collocation approach to the solution of differential equations yield an effective approach to the synthesis and analysis of cams with nonrigid followers It exploits the spline interpolation method described earlier to motion synthesis The spline collocation approach to the solution of differential equations is accurate, ef cient, and reliable and utilizes most of the same software resources that are used in the spline synthesis procedure
55 THE SYNTHESIS OF FOLLOWER MOTIONS OF THREE-DIMENSIONAL CAMS USING NONPARAMETRIC B-SPLINES
A three-dimensional cam is shown in Fig 533 In the case presented here, the follower position is a function of two input variables, the translation and rotation of the cam Three-
CAM MOTION SYNTHESIS USING SPLINE FUNCTIONS
300 Damping Ratio = 02 (Cs = Cf) Spline (k = 10) Optimized Polydyne
Vibration amplitudes x 0001 (in)
Primary Vibration
Residual Vibration
0 5 225 Wn/w 40
FIGURE 529 Amplitudes of primary and residual vibrations for both spline (k = 10) optimized polydyne with damping ratio = 02 (Cs = Cf) in Example 8
dimensional cams have been used in machining fan blade surfaces (Nilson, 1980) and aircraft gas turbine blades (Thompson et al, 1983), and in controlling ow through an ori ce (Mabie and Reinholtz, 1987) Variable valve timing systems used in internal combustion engines have also employed them (Titolo, 1991) The problem of de ning three-dimensional surfaces has been addressed (Dhande et al, 1975; Tsay and Hwang, 1994a, b) The analytical representation of the cam surface can be written as (Tsay and Hwang, 1994a) A cos f - r( B sin f 2 + A cos f 2 ) 2 D x r( B cos f 2 - A sin f 2 ) y = - A sin f 2 D z rAC - s2 - D
(534)
146 1
Copyright © OnBarcode.com . All rights reserved.