Lubrication Fundamentals 2011 Part 13 pps

... 41.People think that he was born in a rich family. A. That is thought he was born in a rich family. B. He was thought to be born in a rich family. TÀI LIỆU ÔN TẬP THI TỐT NGHIỆP MÔN TIẾNG ANH Năm ... thought to be born in a rich family. TÀI LIỆU ÔN TẬP THI TỐT NGHIỆP MÔN TIẾNG ANH Năm học 2010- 2011 Part 13 1. Many U.S. automobiles in Detroit , Michigan....

Ngày tải lên: 22/07/2014, 01:20

... nitrile rubber is most common and suitable for oils and aqueous solutions, fluorocarbon is excellent for hot oils. Many of the elastomer materials are made into O-rings and find application in certain ... a seal is used by seal designers to change balance ratio and thus to change the load on the seal face. With reference to Fig. 24.27, and noting that the face area is A f = ẳ(r 2 o...

Ngày tải lên: 11/08/2014, 10:22

... Hemisphere Distribution Marcel Dekker AG Hutgasse 4, Postfach 812 , CH-40 01 Basel, Switzerland tel: 41- 61- 2 61- 8482; fax: 41- 61- 2 61- 8896 World Wide Web http://www.dekker.com The publisher offers ... differ- Table 2 .1 Lube Base Stocks Crude type Naphthenic Paraffinic Viscosity SUS at 10 0ЊF (cSt at 38ЊC) a 10 0 (20.53) 10 0 (20.53) Pour point, ЊF(ЊC) מ50 (מ45.5) 0 ( 18 ) Viscosit...

Ngày tải lên: 11/08/2014, 10:23

... 22 22 19.8 24 .2 ISO VG 32 32 28.8 35 .2 ISO VG 46 46 41.4 50.6 ISO VG 68 68 61 .2 74.8 ISO VG 100 100 90.0 110 ISO VG 150 150 135 165 ISO VG 22 0 22 0 198 24 2 ISO VG 320 320 28 8 3 52 ISO VG 460 460 ... (mm 2 /s)] at 40.0ЊC Minimum Maximum ISO VG 2 2 .2 1.98 2. 42 ISO VG 3 3 .2 2.88 3. 52 ISO VG 5 4.6 4.14 5.06 ISO VG 7 6.8 6. 12 7.48 ISO VG 10 10 9.00 11.0 ISO VG 15...

Ngày tải lên: 11/08/2014, 10:23

... Anhydrous Dropping point (ЊF) 230 32 5 35 0 205–220 275–290 Dropping point (ЊC) 110 1 63 177 96–104 135 –1 43 Maximum usable 175 250 200 230 temperature (ЊF) Maximum usable 79 121 93 110 temperature (ЊC) Water ... Lithium Lithium complex complex complex Polyurea Organo clay 35 0–400 500ם 500ם 500ם 470 500ם 177–204 260ם 260ם 260ם 2 43 260ם 275 35 0 35 0 35 0 35 0 35 0 135 177 177 1...

Ngày tải lên: 11/08/2014, 10:23

... Vickers 104C Vane Pump Test Results with Mobil EAL 224H Vegetable-Based Oil Test hours Properties New oil 100 200 Viscosity, cSt at 40 ЊC (ASTM D 44 5-3) 35 .4 35.1 35.6 Total acid number (ASTM D 6 64) ... LC 50 (ppm) Shake flask CEC test Mineral oil 389 to Ͼ5000 42 48 (Not tested) Vegetable oil 633 to Ͼ5000 72–80 Ͼ90 Synthetic ester Ͼ5000 55– 84 Ͼ90 Polyglycol 80 to Ͼ5000 6–38 (Not test...

Ngày tải lên: 11/08/2014, 10:23

... pump sides of vanes 5. 0–13.0 0.000197–0.00 051 1 Piston pump: piston to bore 5. 0–40.0 0.000197–0.00 157 5 Servovalves: flapper wall 18.0–63.0 0.000708–0.002363 Actuators 50 .0– 250 .0 0.001969–0.009843 housings ... inches Antifriction bearings 0 .5 0.000019 Vane pump: tip to vane 0 .5 1.0 0.000019–0.000039 Piston pump: valve plate to cylinder 0 .5 5. 0 0.000019–0.000197 Gear pump: gear...

Ngày tải lên: 11/08/2014, 10:23

... industry, particularly where stick–slip characteristics can contrib- ute to reduced precision of machined parts. 1. Grease Lubrication On some machine tools, grease is used for the lubrication ... boundary type. The simplest type of all-loss lubrication is hand oiling (see Figure 8.19). Hand oiling results in flooded clearances immediately after lubrication. This condition may permit f...

Ngày tải lên: 11/08/2014, 10:23

... 41.4–50.6 46 1 S 2 61.2 74 .8 68 2 EP 2 S 390–110 100 3 EP 3 S 4 135–165 150 4 EP 4 S 5 198–242 220 5 EP 5 S 6 288–352 320 6 EP 6 S 7, 7 Comp d 414–506 460 7 EP 7 S 8, 8 Comp d 612 74 8 680 8 EP 8 S 8A ... 11 S 12 6120 74 80 — 12 EP 12 S 13 190–220 cSt at — 13 EP 13 S 100ЊC (212ЊF) e Residual compounds f Viscosity ranges AGMA lube no. [cSt at 100ЊC (212ЊF)] e 14R 428.5–8 57. 0 15R 8 57...

Ngày tải lên: 11/08/2014, 10:23

... engines present a variety of lubrication challenges, certain factors affecting lubrication are more or less common to all reciprocat- ing engines. The primary objectives of lubrication of reciprocating ... provide a more comprehensive description that includes all the factors that make a particular oil suitable for a particular type of engine service. F. Alkalinity Most detergents, and...

Ngày tải lên: 11/08/2014, 10:23

... performance characteristics above the older CCMC specifications. In addition to the 199 8 sequences, ACEA created two new categories for 199 9. These are ‘‘E4 and ES’’ for superhigh perfor- mance diesel engines. ... L-4 a or L-38; Sequence IV a SC MS ( 196 4) 196 4 Models CRC L-38 Sequence IIA a Sequence IIIA a Sequence IV a Sequence V a Caterpillar L-1 (1% sulfer fuel) a SD MS ( 196 8) 196 8...

Ngày tải lên: 11/08/2014, 10:23

... may occur both on parts covered by oil and on parts above the oil level. In either case, in addition to damage to the metal surfaces, rusting is harmful for a number of reasons. Particles of rust ... Rights Reserved. Figure 13.12 Bulb turbine installation. II. LUBRICATED PARTS The main parts of hydraulic turbines requiring lubrication are the turbine and generator bearings, the guide vane...

Ngày tải lên: 11/08/2014, 10:23

... do not require relubrication from an external source. Oil lubrication of non–driving wheel bearings is also used to some extent on trucks, trailers, and off-highway equipment. Lubrication with ... application to any particular equipment must be made by a lubrication engineer for each specific instance, based on operating conditions and the type of unit (bearing, gear, cylinder) requirin...

Ngày tải lên: 11/08/2014, 10:23

... PF821XL Massey-Ferguson M1110 a M 1127 A a M 1127 B a M 1129 A a White Farm M1135 M1139 M1141 Q1826 John Deere J14C a J20C J20D J21A a J27 Case MS 120 4 a MS 120 5 a MS 120 6 a MS 120 7 MS 121 0 Hy-Tran a New Holland ... equipment operates at least part of the time under wet or humid conditions. Breathing of this moisture into the lubrication systems can cause rust and corrosion of f...

Ngày tải lên: 11/08/2014, 10:23

... pins). For lubrication purposes, all parts associated with the cylinders, including pistons, rings, valves, and rod packing (on double-acting machines), are considered to be cylinder parts (Figure ... leakage that can be tolerated. 1. Lubricated Parts The bearings and gears (if used) of centrifugal compressors require lubrication, but there is no need for lubrication inside the impeller...

Ngày tải lên: 11/08/2014, 10:23