Diesel engines are used in buses and trucks, and in some trains and cars. n-count. engine room (engine rooms plural). 1 n-count On a boat or a ship, the engine room is the place where the engines are.
http://dictionary.reverso.net/english-cobuild/engine%20bedplate
engine. 1 n-count The engine of a car or other vehicle is the part that produces the power which makes the vehicle move. He got into the driving seat and started the engine., ...an engine failure that forced a jetliner to crash-land in a field.
http://dictionary.reverso.net/english-cobuild/engine%20bedplate
Built into the transverse girders are the main bearing pockets for the crankshaft to run in. On the small bore engines, the bedplate can be made from cast iron as a single casting. Larger engines have a fabricated bedplate. This means it is welded together from steel sections, steel castings and plate.
http://marinediesels.info/2_stroke_engine_parts/bedplate.htm
In the next article we will take up the component which is held between the main bearings of the bedplate namely the marine diesel engine crankshaft and will talk about its construction, loading and checks.
http://www.brighthubengineering.com/marine-engines-machinery/20356-components-of-marine-diesel-engines-bed-plate/
Of course each bedplate has a different design and size depending on the type and size of the engine, but this image would give you a very clear idea about the type of component we are talking about. After seeing the actual picture above it would be helpful to see the sketch given below of the bedplate.
http://www.brighthubengineering.com/marine-engines-machinery/20356-components-of-marine-diesel-engines-bed-plate/
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http://dictionary.reverso.net/english-cobuild/engine%20bedplate
The Bedplate is the foundation on which the 2 stroke engine is built. It must be rigid enough to support the weight of the rest of the engine, and maintain the crankshaft, which sits in the bearing housings in the transverse girders, in alignment.
http://marinediesels.info/2_stroke_engine_parts/bedplate.htm
No doubt the bedplate required for such an engine needs to be strong both in the longitudinal as well as the transverse direction. The image that you see below is that of the bedplate of the Doxford 58J4 which was fitted in a 15 thousand ton deadweight ship.
http://www.brighthubengineering.com/marine-engines-machinery/20356-components-of-marine-diesel-engines-bed-plate/
If the bedplate was too rigid, then as the hull flexed, the holding down bolts, which secure the engine into the ship would be likely to break, and there would be a danger of the bedplate cracking. Basically the bedplate consists of two longitudinal girders which run the length of the engine.
http://marinediesels.info/2_stroke_engine_parts/bedplate.htm
Earlier fabricated bedplates had box section longitudinal girders and box section fabricated transverse girders. Problems were encountered with cracking of the transverse girders, which increased as engine powers and crankshaft throws got larger. The modern bedplate is constructed from fabricated longitudinal girders with cast steel transverse sections containing the bearing pockets and tie bolt holes welded into place.
http://marinediesels.info/2_stroke_engine_parts/bedplate.htm
what is a engine bedplate
An engine bedplate is the foundation on which the 2 stroke engine is built. The Bedplate is the foundation on which the 2 stroke engine is built.