Common questions

What is VDA FMEA?

What is VDA FMEA?

The AIAG & VDA FMEA Handbook is the new automotive industry reference manual for Failure Mode and Effects Analysis, it is to be used as a guide to assist suppliers in the development of Design FMEA, Process FMEA, and Supplemental FMEA for Monitoring and System Response.

What is FMEA standard?

Failure Mode and Effects Analysis (FMEA) FMEA is an analytical methodology used to ensure that potential problems have been considered and addressed throughout the product and process development process. Part of the evaluation and analysis is the assessment of risk.

What is FMEA in TQM?

Failure Mode and Effects Analysis, or FMEA, is a methodology aimed at allowing organizations to anticipate failure during the design stage by identifying all of the possible failures in a design or manufacturing process.

What is FMEA tool?

Begun in the 1940s by the U.S. military, failure modes and effects analysis (FMEA) is a step-by-step approach for identifying all possible failures in a design, a manufacturing or assembly process, or a product or service. It is a common process analysis tool.

What are the 6 Sigma in TQM?

Six Sigma is a quality management methodology used to help businesses improve current processes, products or services by discovering and eliminating defects. The goal is to streamline quality control in manufacturing or business processes so there is little to no variance throughout.

What are the process parameters of vacuum aluminum brazing?

mosphere brazing (CAB). Vacuum aluminum brazing(VAB) is per- formed in a vacuum furnace and is considered fluxless brazing because flux is not used to cre- ate joints. Fluxless brazing processes can be performed using inert gas atmospheres or in vacuum furnaces. Application examples in- clude semiconductor manufacturing and ce-

Why do you need a vacuum furnace for brazing?

The vacuum furnace can ensure reaching the melting temperature with extreme precision and without over-shoot. Also note that the problems of resistance to oxidation and corrosion of the alloy itself become negligible in the vacuum furnace.

What kind of pump is used for vacuum brazing?

The pumping system does not provide for the use of lubricated pumps, but a dry primary pump instead. The roots pump (lobe booster pump) is a typical pump in which the seal is entrusted to the tolerances between the lobes and stator. The ultra-high vacuum pump can be turbomolecular or a cryogenic pump.

Can a double stage polycold be used for vacuum brazing?

However, oil vapor diffusion pumps can also be used, if a cryogenic trap with supplied liquid nitrogen or a double stage Polycold system is fitted. Both these systems are capable of drawing condensable vapors and impeding the backscatter of oil vapors.