Ngày tải lên: 12/08/2014, 16:20
... 5-685/NAVFAC MO-912 - c The proponent agency of this publication is the Office of the Chief of Engineers, United States Army. Users are invited to send comments and suggested improvements on DA Form ... Publications and Blank Forms) directly to Director, U.S. Army Center for Public Works, ATTN: CECPW-EE, 7701 Telegraph Rd., Alexandria, VA 2231593862. By Order of the Secretaries...
Ngày tải lên: 12/08/2014, 16:21
Sabatier Agrawal Machado Advances in Fractional Calculus Episode 13 potx
... In the aerospace industry, flexible mode frequencies are well defined, but weakly damped. Here, the input shaper technique reduces vibration in path tracking design. Input shaping is obtained ... property called â 2007 Springer. 493 in Physics and Engineering, 493–509. URL: http://www.laps.u-bordeaux1.fr J. Sabatier et al. (eds.), Advances in Fractional Calculus: Theoreti...
Ngày tải lên: 12/08/2014, 16:21
Saladin Anatomy and Physiology The Unity of Form and Function Episode 13 potx
... 22 Chapter 22 The Respiratory System 851 Understanding the ventilation of the lungs, the transport of gases in the blood, and the exchange of gases with the tissues is largely a matter of understanding ... Pathways from the Peripheral Chemoreceptors to the Respiratory Centers of the Medulla Oblongata. Saladin: Anatomy & Physiology: The Unity of...
Ngày tải lên: 12/08/2014, 16:21
High Speed Machining Episode 1 potx
... HSM is said to be: ã High Cutting Speed (v c ) Machining ã High Spindle Speed (n) Machining ã High Feed (v f ) Machining ã High Speed and Feed Machining ã High Productive Machining Metalworking ... World High speed machining and conventional die and mould machining 2 Historical background The term High Speed Machining (HSM) commonly refers to end...
Ngày tải lên: 13/08/2014, 05:20
High Speed Machining Episode 3 potx
... Sandvik Coromant regarding die and mould machining, the focus will be shifted somewhat from the high speed machining trend to the more basic planning stage of the machining process. Which of course ... dependent on the spindle speed for a certain cutting speed. If using the nominal diameter value of the tool, when calculating cutting speed, the effective or true cutting speed...
Ngày tải lên: 13/08/2014, 05:20
High Speed Machining Episode 4 potx
... both continous tool paths and commands of feed and speed rates, it is possible to drive the mechanic functions of a machine tool to much higher speeds, accelerations and decelerations. This can ... permits very high table feeds. These cutters are suitable for machining interrupted cast-iron surfaces, roughing cast-iron and small depth of cut in steel. Also in materials where the cuttin...
Ngày tải lên: 13/08/2014, 05:20
Werkstoffkunde I WS 05 06 Episode 13 potx
... R.: Werkstoffkunde I 13. Lektor Werkstoffe; Version 1.0; TIM-GmbH 1996 14. Metalle und Legierungen. Springer-Verlag, Berlin u. a., 1996, 3. Auflage 15. Ohno, A.: Solidification of Metals, Chijin ... Metals, Chijin Shokan Co., 1976 16. Reed-Hill, R.E. ; Abbaschian, R.: Physical Metallurgical Principles, PWS-Kent Publishing Company, 1991 17. Riehle, Simmchen: Grundlage der Werkstoffte...
Ngày tải lên: 13/08/2014, 05:21
Metal Machining Episode 4 pot
... 2.0** 3.8 4. 2 620– 840 140 – 540 PcBN ≈100* 1.9–2.1 4. 7 4. 9 680–710 150– 340 K-carbide 75–120 3.0–3 .4 4.5–6.0 550–650 390–925 P-carbide 25–55 4. 0 4. 1 5.8–6.8 49 0–560 390– 840 Cermet 11–35 2 .4 2.7 6.7–7.8 ... 6.7–7.8 390 42 0 48 0– 740 Al 2 O 3 10–35 3.2–3.6 7.9–8.0 380–390 145 –330 Al 2 O 3 /TiC 10–22 3.8 4. 0 7.6–8.0 370–395 180–330 Al 2 O 3 /SiC(wh.) 10–35 ≈3 .4* 7.0–7.5 34...
Ngày tải lên: 13/08/2014, 09:20
Metal Machining Episode 6 pot
... 1991), to give an insight into how machining may be changed by non-planar rake face and cutting edge modified tools. Figures 6. 6 and 6. 7 give examples. Figure 6. 6 is concerned with modifications ... equation (6. 9a) to the work-hardening behaviour of the material, expressed as s — = s 0 e — n (6. 10) and to the shear strain-rate on OA″, from equation (6. 6), in order to replace equat...
Ngày tải lên: 13/08/2014, 09:20
Metal Machining Episode 10 pot
... (1970) The metallurgy of machining, Part 2. Metallurgia 81, 51–59. Yamaguchi, K. and Kato, T. (1980) Friction reduction actions of inclusions in metal cutting. Trans ASME J. Eng. Ind. 103 , 221–228. Yamane, ... (1998) Modeling the physics of metal cutting in high speed machining. Int. J. Machining Sci. and Tech. 2, 343–353. Shaw, M. C., Usui, E. and Smith, P. A. (1961) Free machinin...
Ngày tải lên: 13/08/2014, 09:20
Metal Machining Episode 13 pot
... (1973) Metallurgy for Engineers, 4th edn. London: Edward Arnold. Usui, E. and Shirakashi, T. (1982) Mechanics of machining – from descriptive to predictive theory. ASME Publication PED 7, 13 35. Usui, ... 2160e –0.0013T + 29e –0.00 013( T–80) 2 + 7.5e –0.00014(T–300) 2 + 47e –0.0001(T–700) 2 M = 0.026 + 0.0000TN= 0.18e –0.0016T + 0.015e –0.00001(T–700) 2 a = 0.00009 m = 0.0055 References A...
Ngày tải lên: 13/08/2014, 09:20