ISO 16047 PDF


according to test requirements such as BS Pt. 2 or ISO This can be expressed in two ways, the Coefficient of Friction µ and the Torque Coefficient (K . ISO FASTENERS – TORQUE/CLAMP FORCE TESTING. DIN EN ISO Fasteners – Torque/clamp force testing (ISO + Amd ) (includes Amendment).

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With these fasteners a washer is threaded onto the blank; the subsequent cold forming in which the isoo is rolled into the surface ensures that this washer cannot fall off. In cases where fluid flow is 61047 either gas or liquid CFD can be used to optimize flow and minimize turbulence, or to predict how two different liquids are mixing, etc.

The testing of fasteners with captive washers is not described in the standard. The respective complementary partial torque can be identified via subtraction. This ensures that you are always up-to-date and saves you both time and money. Proceed to Checkout Continue Shopping.

The 160447 between roughened surfaces is greater than between smooth 16074. Simple instrumented fixtures with manual testing and data capture Automated testing of complex systems with customized control dashboards and reports.

The relationship between input torque and induced tension in a specific fastener application can be determined by testing the fastener with a calibrated load cell and torque device. Because if bolts and screws are too loose, components may move.

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If the document is revised or amended, you will be notified by email. When tightening the bolt the clamp force, the rotation angle, the total torque and one of the two partial torques are measured. In practice, tightening instructions often specify fitting fasteners with 1604 specific torque. Cross-cut test for adhesion. Webprint Printed and bound. Technical terms can not always be avoided.


On some test benches the partial torque is measured in the thread, in others on the base. Coefficients of friction calculated according to ISO standard need to be regarded with caution, however.

Such data can be used to establish the appropriate torque-angle requirement for the specific fastener and joint. There are many types of engineering simulation and analyses that Matrix Engineering Consultants performs either as a stand-alone service or integrated into our projects. Add to Alert PDF. Industrial companies and associations often specify a coefficient of friction window for this. The ISO standard describes reproducible laboratory tests. Standards Subsctiption may be the perfect solution.

This service is not available if you are a URL user where you do not log in with an email address. Galvanised reference parts do not rust in storage. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. Your Alert Profile lists the documents that will be monitored.

A bolt that requires testing is screwed into the test bench and fixed with a reference bolt. Similarly, varying degrees of roughness are possible for both types. With these tests it is also possible to check the quality of the coating in ongoing production.

ISO – Wilson-Garner Company

By repeating the test on a sample of the fasteners, the variation in the torque-tension relationship, can be established for an application. Eddy current method amplitude sensitive. A very low total coefficient of friction runs the risk of the fastener working itself loose.

The objective is to fix components to each other in a way that enables them to fulfil their function. If you need to be able to add standards to the monitoring service, you must register as a user with your own username and password. FEA can give virtual 1047 into the structural integrity of new designs before any capital is spent building parts.


The moment new editions of the 160447 you monitor are released, changes are made, or appendixes are published, you will be alerted by email. Coat thickness and coat thickness measurement. In practice, there are two ways in which companies deal with this: That may sound routine initially.

This standard is also available to be included in Standards Subscriptions. Corrosion testing atmospheres conducive corrosion. This will give you increased confidence in your fastener designs and manufacturing processes. However, specialists also take a closer look. These are useful, for example in comparing the coefficients of friction of different coating systems. As the voice of the U. This technique has a distinct advantage because the actual joint and fastener can be tested without iao the joint stiffness through the introduction of a load cell.

Tightening specifications for normal fasteners are also applied for those with washers.

BS EN ISO 16047:2005+A1:2012

A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. Already Subscribed to this document. It can isk be used in conjunction with FEA when a transfer of fluid causes a resultant force that needs to be considered when doing structural analysis.

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