The Manufacturing of Bearing Housing - Essay Example

The forced-feed lubrication system contains pressurized oil inside the housing, thus bearing housing is exposed to stresses and flow variance. The pressure-filled oil system contains consistent oil levels, and the bearing housing is exposed to high temperatures of the oil, whereas the pressure of the oil inside the housing remains normal. The manufacturing process of the material has been discussed, and the pre and post-machining quality checks have been elaborated.

Computerized Numerical Control machines have offered a smart way of machining mechanical parts. The CNC machines ensure dimensional accuracy and have prevented human and machining errors. The difference between the machining process conducted by humans and machines is that human error i.e. the positioning of the tool, and handling of the tool during machining are extremely crucial, and therefore the human technicians are vulnerable to off-set certain dimensional measurements, which will eventually develop shortcomings inside the machined object.

The CNC machines have controlled the dimensional accuracy and geometrical requirements. Before the machining process, the solid block shall be tested and dimensionally verified. The part shall undergo non-destructive testing. The part should be tested against crack generation, which is possible through a dye penetrant test; the hardness of the part shall be verified through a hardness check. The job piece shall undergo ultra-sonic flaw detection; this exercise will verify the presence of internal cracks inside the block.

Any detection of external and inside cracks and the variance of the hardness within the prescribed limit shall be concluded at the rejection of the solid piece. The roughness of the block shall be verified, and surface imperfection can be handled by the application of emery paste on the surface to ensure a smooth surface. Machining ProcessThe manufacturing of the bearing housing is a simple process. A huge solid block 65mm x 40mm x 25mm, is initially machined. The machining can be conducted on a simple jig. The cutting tools shall be essential to proceed with the machining process.

The excessive parts of the machines shall be chopped off. The object shall be then placed in a lathe machine, and the cutting tool shall be operated on the job piece to make two holes. The holes are of two different measurements; therefore the size of the cutting tool shall be changed. Once the external geometrical configuration is achieved, and holes are drilled. It ends of the external parts shall be chamfered; this is possible by operating a cutting tool on the edges of the job piece. In the last step, two holes are drilled on the end sides of the job piece, this job can be executed on a drilling machine.

The entire machining process has been summarised in the given figure. The process initially starts with the casting of the solid piece. Another smart approach for the manufacturing of such a shape will be the design of the jig, the jig will then hold the molten material, and after quenching the required shape and dimensional characteristics of the object can be attained.