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Posted inMarine machinery Drawing
PRODUCTION DRAWING LIMITS, FITS AND TOLERANCE
Limit system There are three terms used in the limit system: 1. Tolerance: Deviation from a…
Posted inMarine machinery Drawing
Notes on hatching of sections
Hatching is generally used to show areas of sections. The simplest form of hatching may…
Posted inMarine machinery Drawing
Concept of sections, revolved and oblique sections
An orthographic projection of an object gives the external shape and details of the object…
Posted inMarine machinery Drawing
Pipe Thread Cutting Machine
The most important element of any machine is screw threads without screw threads. There can…
Posted inMarine machinery Drawing
Weld Defects and Weld Quality Testing
Every weld joint is inspected by a team of trained inspectors for weld defects. Welding…
Posted inMarine machinery Drawing
Welding Practices in the Shipbuilding Industry
Multiple Passes: When plates of high thicknesses are welded (usually more than 5 to 6 mm),…
Posted inMarine machinery Drawing
Welding Methods And Weld Defects
Welding is one of the most widely used hot-work processes used in the shipbuilding industry. The development…
Posted inMarine steam engine
Babcock & Wilcox boiler.
One of the best known water-tube boilers on land in England and America is the…
Posted inMarine steam engine
Normand boiler.
The next most extensive experience has been obtained in the British Navy with the Normand…
Posted inMarine steam engine
The Thornycroft boiler
The Thornycroft boiler ('Speedy' type)Fig. 58, consists essentially of a central upper steam cylinder A,…