High Speed Machining Episode 4 potx

... HSM is said to be: • High Cutting Speed (v c ) Machining • High Spindle Speed (n) Machining • High Feed (v f ) Machining • High Speed and Feed Machining • High Productive Machining Metalworking ... moderate spindle speeds and large sized cutters. • HSM is performed in finishing in hardened steel with high speeds and feeds, often with 4- 6 times conven- tional...

Ngày tải lên: 27/06/2014, 23:20

... simultaneously to a significant lateral compositional modulation and high QD density [ 34] , resulting in a high material and modal gain. For ultrahigh -speed directly modulated VCSEL appli- cations it is extremely ... low- threshold lasing for the VCSEL mode. Higher order high Q 1.35 1 .40 1 .45 1.50 1.55 ).nu.bra(ytisn etnI Energy (eV) T=7K QD excited state E GaAs PL PLE QD ground sta...

Ngày tải lên: 22/06/2014, 18:20

... 3 “short” 20.39 20.08 21.99 VDSL 4 “short” 19.21 19.13 20.05 VDSL 5 24. 12 23.67 25.52 VDSL 6 9. 84 10.58 11.96 VDSL 7 2.92 3. 24 3.60 0 5 10 15 20 25 30 35 40 45 SNR (dB) 00.511.522.533.5 Frequency ... obtained as C DMT = 4log 2 M −1, C CMT = 6log 2 M +8m +2, C FMT = 4log 2 M +4m +4  N f + N b  − 7. (30) For all comparisons in this paper, the following parame- ters are used. For z-...

Ngày tải lên: 22/06/2014, 23:20

... HSM is said to be: • High Cutting Speed (v c ) Machining • High Spindle Speed (n) Machining • High Feed (v f ) Machining • High Speed and Feed Machining • High Productive Machining Metalworking ... term High Speed Machining (HSM) commonly refers to end milling at high rotational speeds and high surface feeds. For instance, the routing of pockets in alu...

Ngày tải lên: 27/06/2014, 14:20

... http://www.itmanagersjournal.com/feature/ 248 34. 4. Kerry L. Johnson, “How to Gain Your Client’s Trust—Fast,” CPA Journal 63, 9 (September 1993): 40 42 . 5. P. Russell, “Managing the Stress of ... CHAPTER 4 Self-Control or Self-Management 33 Self-Control Inward OutwardInward Competency 1—Emotional Expression Competency 2—Courage or Assertiveness Competency 3—Resilience Competency 4 Plan...

Ngày tải lên: 07/07/2014, 13:20

... HSM is said to be: • High Cutting Speed (v c ) Machining • High Spindle Speed (n) Machining • High Feed (v f ) Machining • High Speed and Feed Machining • High Productive Machining Metalworking ... term High Speed Machining (HSM) commonly refers to end milling at high rotational speeds and high surface feeds. For instance, the routing of pockets in alu...

Ngày tải lên: 05/08/2014, 11:20

... toroid and round insert cutters In high speed machining applications it may look the same. Especially for big- ger sized dies or moulds. In smaller sizes, max 40 0 X 40 0 X 100 (l,w,h), and in hardened ... 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...

Ngày tải lên: 05/08/2014, 11:20

... structure function is equal to (see Problem 4. 2) Y = H(X) , H(X) = 1 - (1 - 51 24) (1 - 22x5) (1 - 21 5325) (1 - 2223 24) . (4. 3) Figure 4. 1 A bridge network. 72 RANDOM ... Table 4. 2; its PERT graph is given in Figure 4. 2. Table 4. 1 Precedence ordering of activities. Activity 1 2 3 4 5 6 7 8 9 10 11 12 Predecessor(s) - - 1 1...

Ngày tải lên: 12/08/2014, 07:22

... 0. 04 1.80 29.8–1, 342 .3 16 40 .6 0.08–2.97 59.7–2,2 14. 7 12 30.5 0.22–5.87 1 64. 1 4, 377.3 10 25 .4 0.37–8.29 275.9–6,181.9 8 20.3 † 0.66–11.71 49 2.2–8,732.1 ‡ 0 .49 –9.07 365 .4 6,763.5 6 15.2 § 1 .44 –19.15 ... 0. 04 0.37 0.030–0.276 12 30.5 0. 14 2.96 0.1 04 2.207 0.07–1.77 0.052–1.320 10 25 .4 0.39–3 .47 0.291–2.588 0.23–2.07 0.172–1. 544 Steel and cast-iron bevel gears Ratio hp...

Ngày tải lên: 12/08/2014, 07:22

... Conducting Discussions 1 14 CHAPTER 7: NONTECHNOLOGICAL ALTERNATIVES TO LECTURES Teaching Engineering - Wankat & Oreovicz CHAPTER 7 NONTECHNOLOGICAL ALTERNATIVES TO LECTURE 1 14 The lecture method ... an effective method for changing student attitudes (affective objectives). 4 Intellectual development (see Section 14. 2) is greater. 5 Students are more active and become more involved....

Ngày tải lên: 12/08/2014, 08:22