BRITISH STANDARD BS EN ISO Incorporating Corrigendum No. 1 Fasteners — Quality assurance system The European. Find the most up-to-date version of ISO at Engineering We are looking ISO , it was referenced in a document. The statement that can be found on it is: ISO specifies requirements for a fastener q.

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If, for instance, a value of 1,33 for a single characteristic is assumed, this means that of the fasteners are within the specification for this particular characteristic.

While unsystematic non-conformities cannot be recognized by statistical process control SPCsystematic non- conformities can usually be limited by the application of SPC.

The customer, upon opening the original packaging, assumes full responsibility for all subsequent traceability. The adherence to the tolerances depends not only on the material used but also on a number of other influencing factors; e. Parts with non-conformities in measurements, geometry and other properties result from unsystematic or systematic process characteristics.

In such cases, depending on the type and geometry of the fastener, corrosion resistance is based on significant surfaces of the fastener. Special measures are taken to prevent mechanical damage especially at points of impact and to avoid contamination. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. The order shall designate the selected product characteristics, if any, considering the intended application, or a reasonably foreseeable application and its consequence.

Experience has shown that for one single specified characteristic, after automatic inspection there is still an average remaining level of non-conformities of about. The application of SPC cannot guarantee the delivery of fasteners with non-conformities, on a statistical basis.

If a characteristic is specified and is considered critical with respect to its intended use, all concerned parties are expected to take prudent measures to approach zero defects. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. ISO shall not be held responsible for identifying any or all such patent rights.

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Sharp edges cannot always be avoided with certain cold forming processes.

BS EN ISO Fasteners — Quality assurance system – MBA智库文档

A list of organizations represented on this committee can be obtained on request to its secretary. If the user considers that the degree to which the characteristic s deviate s from specified requirements will have no significant effect on the 166426 or performance of the fasteners in their service application, the user may authorize a written release of the fasteners for completion of production or for shipment, as applicable.

This International Standard outlines the requirements from receipt of raw material through the manufacturing process to delivery at the distributor or the user, who is the installer.

Revisions British Standards are updated by amendment or revision. Standards Subsctiption may be the perfect solution. The requirements for such characteristics are assured by means of a suitable monitoring process, based on a written control plan. Need more than one copy? Proceed to Checkout Continue Shopping.

These requirements, which constitute a quality assurance system, are intended to reduce or prevent the production of nonconforming fasteners with the objective of isk zero defects for the charac-teristics.

Annex A of this International Standard is for information only. In case of dispute, the supplier shall be able to provide all necessary information relating to the manufacturing lot number.

The machines used today in the production of fasteners e. To achieve this aim, intermediate objectives are set by specifying criteria for evaluating the delivered quality of fasteners. It is the constant aim of BSI to improve the quality of our products and services.

If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. It is incorporated by Royal Charter.

With an automatic inspection process, usually four or five characteristics are checked simultaneously. Amendments issued since publication Amd. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for izo standards.

Uso to Alert PDF. For undated references, the latest edition of the normative document referred to applies.

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ISO – Fasteners — Quality assurance system

International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. Draft International Standards adopted by the technical committees are 164266 to the member bodies for voting. Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights.

For dated references, subsequent amendments to, or revisions of, any of these publications do not apply.

BS EN ISO 16426:2002

Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. In the manufacture of fasteners, a number of production processes are reached by means of cold forming. If the process is exactly centered, statistically, 0 to 60 fasteners per one million fasteners may then be outside the tolerance limits.

BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. The same applies for the application of lubricants on fasteners to meet specified limits of coefficients of friction. It is identical with ISO Please first verify your email before subscribing to alerts. Copyright Copyright subsists in all BSI publications. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server.

They shall be analysed by the manufacturer in order to gain knowledge on how to improve the process. As the voice of the U.

Examples of unsystematic process characteristics are: Up-to-date lists and bibliographical references concerning such isoo standards may be obtained on application to the Management Centre or to any CEN member. For screws with large length: Date Comments Corrigendum No. The BSI copyright date displayed in this document indicates when the document was last issued.