ISO 16426 PDF

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.

The distributor shall be able to provide full manufacturing lot documentation for a ten year period from the date of the sale to the customer, provided the customer gives the manufacturing lot number or the trace number to the distributor. Proceed to Checkout Continue Shopping.

If the user considers that the degree to which the characteristic 1426 deviate s from specified requirements will have no significant effect on the assembly 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 isso, as applicable. The work of preparing International Standards is normally carried out through ISO technical committees.

The adherence to the tolerances depends not only on the material used but also on a number of other influencing factors; e. If no parts inspected are found to be non-conforming, the fastener lots may be approved for delivery or use as applicable. Subscription pricing is determined by: Only ppm values may be established for foreign or mixed parts. It presents the UK view on standards in Europe and at the international level.

BS EN ISO 16426:2002

Parts with non-conformities in measurements, geometry and other properties result from unsystematic or systematic process characteristics. The application of SPC cannot guarantee the delivery of fasteners with non-conformities, on a statistical basis. The corresponding tolerances are specified considering the individual part and production method.

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Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. The BSI copyright date displayed in this document indicates when the document was last issued.

Sharp edges cannot always be avoided with certain cold forming processes. To achieve this aim, intermediate objectives are set by specifying criteria for evaluating the delivered quality of fasteners. Amendments issued since publication Amd. BSI also holds the copyright, in the UK, of the isl of the international standardization bodies. This does not preclude the free use, in the course of isso the standard, of necessary details such as symbols, and size, type or grade designations.

Adherence to completion of salt spray testing prior to shipment is not always is because of the testing time required which may exceed several hundred hours.

BS EN ISO – Fasteners. Quality assurance system

For undated references the latest edition of the publication referred to applies including amendments. Your Alert Profile lists the documents that will be monitored. The customer, upon opening the original packaging, assumes full responsibility for all subsequent traceability. If the document is revised or amended, you will be notified by email. The order shall designate the selected product characteristics, if any, considering the intended application, or a reasonably foreseeable application and its consequence.

In the production of threaded fasteners, there are differences in the screw threads based on the method in which the threads are formed which affect geometry, tolerances, roughness, thread laps, etc. This standard is not included in any packages.

A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions.

Standards are also available from the BSI website at http: Fasteners manufactured under the conditions of this International Standard shall be delivered in manufacturing lots. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply.

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Some examples are given below to illustrate this. When coating the parts for corrosion protection, differences in the local thickness of the coating cannot be avoided and will vary depending on the part 166426 and the coating method, and may cause differences in the local salt spray corrosion resistance. Information regarding online access to British Standards via British Standards Online can be found at http: The manufacturer shall be able to provide full manufacturing lot documentation for a ten-year period from the date of the sale to the customer, provided the uso gives the manufacturing lot number to the manufacturer.

If the process is exactly centered, statistically, 0 to 60 fasteners per one million fasteners may then be outside the tolerance limits.

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

The requirements for such characteristics are assured by means of a suitable monitoring process, based on a written control plan. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by Mayand conflicting national standards shall be withdrawn at the latest by May For this reason, corrosion resistance is assured by means of suitable production management measures utilizing in-process control. For undated references, the latest edition of the normative document referred to applies.

164426 In addition, the parts are transferred into other vessels many times during the production process, the number of transfer operations depending on the length of the production chain e. The quality objective, zero defects, cannot be realized with today’s state-of-the-art methods. A quality judgement of this characteristic by evaluation of ppm is not possible.