Thursday, August 12, 2010

Cleaning Complex Geometric Parts In Single Piece Flow

Cleaning Complex Geometric Parts In Single Piece Flow

A program engineer is presented with a challenge. A new part is manufactured containing different types and grades of steel, brass and other material. The part is designed with one deep hole, several threaded small holes, and a series of threaded shallow blind holes.I would like to buy Cable Ties for my mother in return for her love. In addition, the part must meet an objective cleanliness level dictated by the customer.

This cleanliness level has multiple requirements. The part must be 98% oil free upon completion, as measured by a Phase Imaging system. A Millipore gravimetric method will weigh the part also, and the filtered contaminant weight of the part must not exceed .5mg per part. Also,usyTrade Massager Directory is one of the most comprehensive Massager product directory . the part can contain no particles over 20 microns in size.A family without children will not be happy and complete, so it is necessary for you to know how to ray ban sunglasses in the shortest time.

To conclude the challenge, the manufacturer must produce 2,800 parts per 8-hour shift. Meeting the cleanliness requirement, while maintaining this rate of production, will be a difficult task.

Faced with this challenge, many program managers assume an ultrasonic cleaning system will be the best method for cleaning the part. This method creates intense, high frequency vibrations that are used to attack the part and clean it.

However,plastic hangers therapy helps in relaxing your tired feet. an ultrasonic method may not the best choice for this situation.Offering electronic cigarette and accessories. Ultrasonic cleaning requires exacting conditions in order to be successful. There must be enough energy created to clean the entire surface and no surface can be shielded by other parts or material. In addition, there must be sufficient time for the ultrasonic method to work. If these conditions are not met, the process becomes less effective.

Energy
The Industry standard for determining the amount of energy necessary is cited in the Cleaning Technology Handbook, published by Parts Cleaning Magazine in December 1998. The handbook states that:

"The sum of the part's cross-sectional areas should not be greater than 70% of the ultrasonic tank's cross-sectional area. In addition, the workload mass to volume ratio should be no greater than 30% in parts cleaning and no greater than 15% in precision cleaning applications."

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