Drilling and Associated Cutting Tool Technology Industrial Handbook 3 ppt

... ground twist drill points. Drilling and Associated Technologies  3 Drilling and Associated Technologies ‘In all things, success depends upon previous preparation and without such preparation……there ... geometry and associated chip shearing mechanism. [Source: C.J. Oxford Jr., 1955]. Drilling and Associated Technologies  Figure 43. The principal technical dril...

Ngày tải lên: 21/06/2014, 21:20

... 55. Counterboring and trepanning. [Courtesy of Sandvik Coromant]. Drilling and Associated Technologies  .. Special-Purpose, or Customised Drilling and Multi-Spindle Drilling Most of today’s ... [Courtesy of Seco Tools].  Chapter  Figure 56. Special-purpose multi-functional tooling can be designed and manufactured to machine many part features simultaneously . Drill...

Ngày tải lên: 21/06/2014, 21:20

... Drilling and Associated Technologies  Figure 61. Interchangeable cutting heads for boring bars utilised in machining internal features. [Courtesy of Sandvik Coromant] . Drilling and Associated ... friction respectively (kW), v c = Cutting speed (m min –1 ). ∴P = P c + P µ /η Where: η = Machine tool eciency. 3. 2 Boring Tool Technology – Introduction e technol...

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... 11.5 15.8 IT9 3. 6 7.5 9.4 12.4 18 .3 25.2 IT10 5.7 7.6 12.1 20.0 29.8 40.5 IT11 8.6 11.8 19.1 31 .4 46.2 63. 8 [Source: Sandvik Coromant (1995)] . Drilling and Associated Technologies  tools with ... limitations and hard part boring at relatively high speed. [Cour- tesy of Sandvik Coromant] .  Chapter  Figure 63. Twin-edged boring tooling. [Courtesy of Sandvik Coromant]. D...

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... Tools] . Drilling and Associated Technologies  • Engine block and crank bores and cheek faces – nish machining, with this latter feature requiring controlled ‘radial infeed’ of the cutting/ reaming ... 53 ‘Hand-reamers’ , are available for the reaming both cylindrical and tapered holes. NB A basic rule to be observed when hand-reaming, is to only turn the tool in t...

Ngày tải lên: 21/06/2014, 21:20

... Mach. Tools Manufact., Vol. 30 (2), 217–226, 1990. Anderson, P. Good points [Drilling geometries]. Cutting Tool Eng’g, Vol. 45 (6), 50–56, 19 93. Astakhov, V. Gundrilling Know-how. Cutting Tool ... Eng’g, 34 38 , Dec. 2001. Atabey, F. Lazoglu, I. and Alintas, Y. Mechanics of Boring Processes – Part I. Int. J. Mach. Tools and Manufact., 4 63 476, Vol. 43, 20 03. Atabey, F....

Ngày tải lên: 21/06/2014, 21:20

... workpiece clamping and toolholding, tool changing, VII. Tool programme – the correct/specied tool and its tool osets, etc., VIII. Performance – cutting data, anticipated tool- life and economics, IX. ... con- sultation with a cutting tool manufacturer, or aer a machinability testing procedure. Cutting Data Once all of the physical, metallurgical and geometrical f...

Ngày tải lên: 21/06/2014, 21:20

... = tool nose radius (mm).  Chapter  Figure 33 . Turning cuts and associated insert geometries for forming and shearing of a chip. [Courtesy of Sandvik Coromant] . Turning and Chip-breaking Technology ... modied tool nose radius’ (see Fig. 32 – bottom le and right dia- grams). When a ‘standard’ tool nose geometry insert is used (i.e. Fig. 32 – bottom le), it creates...

Ngày tải lên: 21/06/2014, 21:20

... which will destabilise the cutting process and aect the type and formation of chips produced, • Cutting data utilised – by modifying the cutting data: feeds and speeds and D OC ’s, with the insert ... (see Figs. 33 and 34 b), • Chip is stopped by the tool – here the chip-curling behaviour comes into play, this being a function of the: tool s nose radius geometry,...

Ngày tải lên: 21/06/2014, 21:20

... Merge and Split Unregistered Version - http://www.simpopdf.com Figure 63. Twin-edged boring tooling. [Courtesy of Sandvik Coromant]. Drilling and Associated Technologies  Simpo PDF Merge and ... Drilling and Associated Technologies  Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com Figure 55. Counterboring and trepanning. [Courtesy of Sandvik C...

Ngày tải lên: 27/06/2014, 14:20