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Software houses with no depth of welding expertise or engineers with
no depth of software development skills both find it difficult to develop
expert welding systems. It may be possible for individual engineers to
develop software, but long-term support is difficult at best, and in most cases
impossible. For storage of large amounts of information, where considerable
time is invested in entering the data, long-term support is critical.
In addition, most existing software systems in the fabrication industry
are tools for individuals, not for large parts of organizations, because, until
recently, most organizations have simply not had the infrastructure to allow
information to be distributed electronically. E-mail has helped change this.
Electronic mail has driven most fabricators to use local and wide area
networks. These networks make it possible to share welding procedures or
welder approvals across a company via a multi-user software system.
The management of welding procedures is one of the most time-
consuming jobs of a welding engineer. Creating, verifying and approving
new procedures and checking, adapting and approving existing ones take a
ling time. Plus, searching for existing procedures for new production welds
requires expert skills. Consequently, this was one of the first welding
engineering tasks to be computerized.
The first welding procedure database management systems were
simply electronic filing cabinets. They used the speed of data sorting that
computers could offer to make searching for existing procedures much
quicker. Documents could be copied and edited to create new documents
quickly and easily. What they could not easily do, however, was help the
welding engineer create new procedures for new application.
The sources of such information are wide and disparate. They comprise
standards (welding and application), consumable and base material
handbooks, technical literature; most difficult of all to computerize is
experience. To build all this into a computer program would be impossible
without a wide knowledge of the sources available.
18 Read the second part of the article and answer the questions.
1. What can Weldspec 4 do?
2. What are the main sources from which Weldspec 4 originated?
3. How can Weldspec 4 be updated?
4. How is data entered into the system?
5. In what ways can the system produce reports?
6. What time-consuming tasks can Weldspec 4 perform with a click of a
button?
7. What is the difference of a usual welding software from an expert system?
8. What, in your opinion, computers will never be able to do in welding?
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