Industrial Machinery Repair Part 13 potx

... steam quality may increase the amount of particulate matter present in the con- densate. High concentrations of solids directly affect the performance of steam traps. If particulate matter is trapped between ... alternative method for sealing the shaft is with mechanical seals. Mechanical seals consist of two basic parts, a rotating element attached to the pump shaft and a stationary element...

Ngày tải lên: 11/08/2014, 08:22

... drives for engines of cars and trucks. G16 Parts of agricultural machinery; individual components of engines (gasoline or diesel) for cars and trucks. G6.3 Parts or process plant machines; marine ... bearings (e.g., grooved and lobed bear- ings) that incorporates partial arcs. It is necessary to use partial-arc bearing data to incorporate partial arcs in a variety of grooved and lobed bearin...

Ngày tải lên: 11/08/2014, 08:22

... lubrication system to provide a uniform oil film between closely fitting parts (e.g., piston rings and the cylinder wall). Partial or complete failure of the lube system results in catastrophic ... downstream of the valve. As the valve stem turns to the open position, the ball rotates to a point where part or the entire hole machined through the ball is in line with the valve-body inlet and o...

Ngày tải lên: 11/08/2014, 08:22

... low 504 Maintenance Welding selectively used by manufacturers of railroad equipment, farm machinery, construction machinery, material-handling equipment, and other similar products. The medium-carbon ... Mo 321 0.06 17.0–19.0 9.0–12.0 Ti (5 × %C min) 347 0.08 17.0–19.0 9.0 13. 0 Cb + Ta (10 × %C min) 348 0.08 17.0–19.0 9.0 13. 0 Cb + Ta (10 × %C min but 0.10 Ta max), 0.20 Co ∗ Single value...

Ngày tải lên: 11/08/2014, 08:22

... line, the gear in this illustration is also a 10 diametrical pitch gear. In many cases, particularly on machine repair work, it may be desirable for the mechanic to determine the diametrical pitch ... 1416 D = 20.371 inches The list that follows offers just a few names of the various parts given to gears. These parts are shown in Figures 14.16 and 14.17. ● Addendum: Distance the tooth proje...

Ngày tải lên: 05/08/2014, 11:20

... methodology described here is applicable to other gland sealed units such as valves and reciprocating machinery. Tool List The following is a list of the tools needed to repack a centrifugal pump gland: ● Approved ... described and discussed in this sec- tion. A packed box typically is used on slow- to moderate-speed machinery where a slight amount of leakage is permissible. A mechanical...

Ngày tải lên: 05/08/2014, 11:20

... Ricky. Industrial machinery repair : best maintenance practices pocket guide / Ricky Smith and Keith Mobley. p. cm. ISBN 0-7506-7621-3 (pbk : alk. paper) 1. Machinery Maintenance and repair. 2. Industrial ... Ricky. Industrial machinery repair : best maintenance practices pocket guide / Ricky Smith and Keith Mobley. p. cm. ISBN 0-7506-7621-3 (pbk : alk. paper) 1. Machinery Ma...

Ngày tải lên: 05/08/2014, 11:20

... standards; Introduction: Why Use Best Maintenance Repair Practices? 9 ● The maintenance manager needs to conduct monthly spot checks on randomly selected PMs and repairs for quality assurance. ● The present ... avoid loose-fitting clothing in the plant? A. It can create a barrier from sharp parts B. It can get caught in moving parts C. It is unprofessional D. None of the above 17 What should...

Ngày tải lên: 05/08/2014, 11:20

... and roller. 2 Bearings: A. Are found in machines with moving parts. B. Function as guides. C. Help reduce the friction between moving parts. D. All of the above. 38 Maintenance Skills Assessment C. ... All equipment and machinery should be securely placed, and anchored when necessary, to prevent tipping or other movement that could result in damage or personal injury. Most machinery shoul...

Ngày tải lên: 05/08/2014, 11:20

... drives for engines of cars and trucks. G16 Parts of agricultural machinery; individual components of engines (gasoline or diesel) for cars and trucks. G6.3 Parts or process plant machines; marine ... weight is assumed to be part of the shaft’s male portion. The other half is considered to be part of the female portion that is coupled to it. However, when the two rotor parts are sent to a...

Ngày tải lên: 05/08/2014, 11:20