Machinability and Surface Integrity Part 1 ppt

... which it appears. Machinability and Surface Integrity  Figure 14 4. The major factors that inuence a machined component’s condition. Machinability and Surface Integrity  7 .1 Machinability Introduction ... University. . Machinability and Surface Integrity  7 Machinability and Surface Integrity ‘It is common sense to take a method and try it....

Ngày tải lên: 05/08/2014, 21:20

... 0.2-0.5 3-7 1. 2 1. 9 2.8 1. 8 Ground 0 .1- 0.25 2-4 1. 2 1. 9 2.8 1. 8 Super-nished 0.03 0.4 1. 2 1. 9 2.8 1. 8 * When s/k is <0.5, an asperity is totally elastic – if the plasticity index is <5 and totally ... criteria for the cutting data is sound; Table 11 . Cutting insert surface texture and contact stress severity data. ← 10 k local /E* [°] → Tool finish: Su...

Ngày tải lên: 05/08/2014, 21:20

... Fundamentals and Future of Quality, 446–4 51, 19 86. Shiraishi, M. and Sato, S. Dimensional and Surface Rough- ness controls in a Turning Operation. Trans. of ASME, Vol. 11 2, 78–83, 19 90. Smith, G.T. Surface ... Vol.82, 348–358, 19 60. Bayoumi, A.e., Xie, Q. and Hamdan, M.N. Eect of Cutting Conditions on Dynamic Properties and Surface Integrity of Work Material. WE...

Ngày tải lên: 05/08/2014, 21:20

... Figure 14 8. Graphical results obtained from the accelerated machinability test, illustrating how ank wear and surface texture degrades, with the number of facing-o passes . Machinability and Surface ... other (i.e. X- and Y-axes), or normal/right angles to these axes (i.e. with respect to the Z-axis) – hence the term ‘orthog- onality’. Machinability and Surface Integ...

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... the order to ‘break-rank’ (i.e randomising both their pacing and steps) when proceeding over a structure such as a bridge was mandatory. Machinability and Surface Integrity  is either ‘pearled’ ... of instrument noise, or vibration. [Courtesy of Taylor Hobson] . Machinability and Surface Integrity  Figure 15 6. Vibration and chatter in machining operations, with t...

Ngày tải lên: 05/08/2014, 21:20

... energy Machinability and Surface Integrity  Figure 15 8. The eect of increased milling cutter length on the resultant circular interpolated prole on the workpiece.  Chapter  1. Roughness ...  n  j= x j  ¯ x  *s = the standard deviation of a sample from a production batch run. Machinability and Surface Integrity  depending upon whether a ne, medium, or c...

Ngày tải lên: 05/08/2014, 21:20

... processes. Machinability and Surface Integrity  the surface topography, if used in conjunction with the Ra value (Fig. 16 4). is is particularly true for many machining applications and where ... of Machinability and Surface Integrity  Figure 16 4. Arithmetic roughness parameter (Ra) can give a misleading representation of the surface topography, so skewness...

Ngày tải lên: 05/08/2014, 21:20

... the surface topography is marred by similar tears, etc., which might be a cause for its potential rejection. is smoother surface was due to Machinability and Surface Integrity  Figure 16 7. ... tools. Machinability and Surface Integrity  Figure 16 8. In face- and end-milling operations, due to the ‘re-cutting eect’ of the trailing insert cutting edges, they...

Ngày tải lên: 05/08/2014, 21:20

... appropriate cali- Machinability and Surface Integrity  Figure 17 8. Multi-axis non-rotating dynamometers, used for: milling, drilling and turning experimental data-gathering and analysis. [Courtesy ... types of machinability investigation. In the former case, it is Machinability and Surface Integrity  Tool-life Diagrams Machinability is a subject that has yet t...

Ngày tải lên: 05/08/2014, 21:20

... Merchant and Zlatin (19 45) and later work by Lee and Shaer (19 51) – not shown. is earlier work was then followed by Zorev’s (19 63) interpretation of an ‘idealised cutting model’ (Fig. 18 2). ... understand- ing of the overall machinability of specic workpiece materials and associated tooling. Such machining simulation oers not only a visual interpretation to Machinabili...

Ngày tải lên: 05/08/2014, 21:20