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ortant issue related to general supply chain management. He states “it is too late to protest about poor quality of incoming suppliers after the examination if the supplier is.

- Not qualified to meet the specifications and tolerances required.

- May not be fully responsive of just what is implied by specifications and tolerances required.

- Does not have a constant quality control program.”

These failures can cause enormous problems for any organisation concerned with purchasing and manufacturing.

Hahn [1990] describes two significant uses of SQAE, to select a new supplier and to assess the existing supplier. However, American companies chiefly apply this methodology to set up the ratings and rankings of their suppliers for the purpose of decision-making regarding persistence of the business transaction with the suppliers or not. Japanese and Korean producers use these assessment techniques differently and are less likely to construct any rating or ranking system for the suppliers.

Motwani et al (1999), analyse the efficiency of SQAE process regarding ISO 9000 and TQM and insist on the investigation of how a supplier applies ISO 9000 in his organisation and so they bring to a close that SQAE can also be done by the examination of ISO standards execution at the supplier's end and the aim of Quality Assurance of the final product can be satisfied.

2.3 Working Method of SQAE:

Lloyd [1984] says that the methodology of seller evaluation on the basis of past performance of vendor. He includes the following ways in which vendor quality performance can be documented and assessed.

- Quality History Records concerning Product Conformance:

This is based mostly upon the quantity of accepted and rejected products supplied in a specific time period. This is a conventional technique and reflects the terminology of Acceptable Quality Level.

- Comparison among Suppliers on the grounds of Acceptance/Rejection:

Here, Statistical methods are used and Normal Distribution graphs used to investigate the comparative performance of vendors connected to the defected parts/lot/period of time (Dobler and Burt, 1990, 63-74).

- Typical Frequency Distribution:

Again this method is based on the examination results, either at the supplier or buyer's end. Tolerance restrictions are defined on charts and so quality of lots is determined on the basis of changeability in products.

However, the methodology described above is completely based upon the theories of AQL and SPC, only analysing the examination capabilities of the supplier and not focusing on the in-process ability or in-process quality assurance of the supplier. Supply Chain Management is more about the presentation of all functions in a swift manner and to rely heavily on assessment cannot help the cause of both price and time taken to manufacture a product (Dobler and Burt, 1990, 63-74).

Swift and Booker [1996] use ability indices in order to evaluate the product conformance and they declare the need of dependability of supplier's data in this regard. They additional stat本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。