Machinery Components Maintenance And Repair Episode 1 Part 2 pdf

... [10 –6 K 1 ] [GPa] [°C] Diamond 600 20 00 2. 0 3 .1 960–990 – PCD 10 0–550 2. 0** 3.8–4 .2 620 –840 14 0–540 PcBN 10 0* 1. 9 2 .1 4.7–4.9 680– 710 15 0–340 K-carbide 75 12 0 3.0–3.4 4.5–6.0 550–650 390– 925 P-carbide ... 370–395 18 0–330 Al 2 O 3 /SiC(wh.) 10 –35 ≈3.4* 7.0–7.5 345– 425 300–500 Si 3 N 4 /Sialon 15 –30 2 .1 2. 3 3 .2 3.6 28 0– 320 650 15 00 HSS 19 24 3.6...

Ngày tải lên: 21/07/2014, 17:20

... 0.85; n s = 2 n s = 2 n s = 2 n s = 3 Mechanical 1 kW 6000 0. 028 Simple CNC 1 kW 20 000 0.0 92 0.060 5 kW 28 000 0 .13 0.086 15 kW 50000 0 .23 0 .15 Turning centre 5 kW 60000 0 .18 0 .16 0 .11 15 kW 12 0000 ... previous figures and tables – Figure 1. 16 (milling machine costs), Table 1. 1 (cutting tool data) and equations (1. 10) and (1. 11) for cost rates. 30 Intro...

Ngày tải lên: 21/07/2014, 17:20

... vibration. out ground ampl Fig. 8 .10 Former method of enveloping vibration signal. Recording and Storage 12 7 ampl 1 \f \ II /I I 1 maxfreq of interest N ' 1 1 i i i i 1 1 1 r i i i i i t 20 Hz T sample frequency filter characteristic 4kHz 5kHz frequency 15 kHz Fig ... vibration, McGraw-Hill, New York, 19 92. 3. Newland, D.E.N., Random vibrations, spect...

Ngày tải lên: 05/08/2014, 09:20

... www.english-test.net Test 21 TOEIC Vocabulary / Meaning by Word / Test # 21 Q1 n. infancy (a) a support that consists of a horizontal surface for holding objects; projection; rock ledge; sandbank (b) beginning ... company's communications and business systems (d) between noon and midnight; in the afternoon; after the hour of 12 :00 noon 37 Answers Index PHOTOCOPIABLE © www.engli...

Ngày tải lên: 22/07/2014, 01:21