Produktionsteknik

Ämnesområden: Additiv tillverkning
Kommittébeteckning: SIS/TK 563 (Additiv tillverkning)
Källa: CEN
Svarsdatum: den 20 okt 2021
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This document specifies the general principles to be followed when test specimens of thermoplastic materials are prepared by laser-based powder bed fusion (PBF-LB/P), which is commonly known as laser sintering. The (PBF-LB/P) process is used to prepare test specimens layer upon layer in which thermal energy selectively fuses regions of a powder bed. This document provides a basis for establishing reproducible and reportable sintering conditions. Its purpose is to promote uniformity in describing the main process parameters, build orientation of the sintering process and also to establish uniform practice in reporting sintering conditions.
This document does not specify the test procedure itself.

Ämnesområden: Svetsfogar
Kommittébeteckning: SIS/TK 125 (Oförstörande provning)
Källa: CEN
Svarsdatum: den 22 okt 2021
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This document specifies the application of the TFM technique and related technologies for semi- or fully automated ultrasonic testing of fusion- welded joints in metallic materials of minimum thickness 3,2 mm.
NOTE Unless stated otherwise, in this document ‘TFM” and ‘TFM technique” refer to the TFM technique as defined in ISO 23243, and to all related technologies, see for example ISO 23865 and ISO 23243.
This document is applicable to components with welds fabricated using metals which have isotropic (constant properties in all directions) and homogeneous conditions. This includes welds in low carbon alloy steels and common aerospace grade aluminium and titanium alloys, provided they are homogeneous and isotropic.
This document applies to full penetration welded joints of simple geometry in plates, pipes and vessels.
This document specifies four testing levels (A, B, C, D), each corresponding to a different probability of detection of imperfections. Guidance on the selection of testing levels is provided. Coarse-grained metals and austenitic welds can be tested when the provisions of this document have been taken into account.
This document gives provisions on the specific capabilities and limitations of the TFM technique for the detection, locating, sizing and characterization of discontinuities in fusion-welded joints. The TFM technique can be used as a stand-alone approach or in combination with other non-destructive testing (NDT) methods for manufacturing, in-service and post-repair tests.
This document includes assessment of indications for acceptance purposes based on either amplitude (equivalent reflector size) and length or height and length.
This document does not include acceptance levels for discontinuities.
The following two typical testing techniques for welded joints are referred to in this document:
a) side scanning, where the probe(s) is (are) positioned adjacent to the weld cap, typically using wedges. Side scanning can be performed from one side or both sides of the weld;
b) top scanning where the probe is positioned on top of weld cap with a flexible, conformable delay line or using immersion technique, or using contact technique after removing the weld cap.
Semi-automated testing encompasses a controlled movement of one or more probes along a fixture (guidance strip, ruler, etc.), whereby the probe position is measured with a position sensor. The scan is performed manually.
In addition, fully automated testing includes mechanized propulsion.

Ämnesområden: Svetsmetoder
Kommittébeteckning: SIS/TK 134 (Svetsteknik)
Källa: CEN
Svarsdatum: den 25 okt 2021
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c) preheating for welding higher than 50 °C;
d) controlled heat input;
e) any post-weld heat-treatments.
The use of this document may also be restricted by an application standard or a specification.

Kommittébeteckning: SIS/TK 134 (Svetsteknik)
Källa: CEN
Svarsdatum: den 25 okt 2021
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This document is applicable to the welding of weldable reinforcing steel and stainless reinforcing steel of load-bearing joints or non-load-bearing joints, in workshops or on site. It specifies requirements for materials, design and execution of welded joints, welding personnel, quality requirements, mechanical testing. All provisions except subclause 9.2.3 apply to load-bearing joints. The requirements for non-load-bearing joints are specified or illustrated in the subclause 6.1, 6.3, 6.5, Clause 8, subclause 9.2.3 and 13.
This document also covers welded joints between reinforcing steel bars and other steel components, such as connection devices and insertion anchors, including prefabricated assemblies.
This document is not applicable to factory production of welding fabric and lattice girders using multiple spot-welding machines or multiple projection welding machines.
The requirements of this document are only applicable to static loaded structures. For fatigue-loaded structures, depending on type of joint and welding process, it is recommended that an appropriate reduction be taken into account on the fatigue strength of the reinforcing steel.

Kommittébeteckning: SIS/TK 134 (Svetsteknik)
Källa: CEN
Svarsdatum: den 25 okt 2021
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This document specifies requirements for classification of solid wire electrodes, solid strip electrodes, solid wires, solid rods for fusion welding of nickel and nickel alloys. The classification of the solid wire electrodes, solid strip electrodes, solid wires, and solid rods is based on their chemical composition.
The principles of this standard can be applied to metal powders for cladding, hard facing and additive manufacturing.

Ämnesområden: Svetsmetoder
Kommittébeteckning: SIS/TK 134 (Svetsteknik)
Källa: CEN
Svarsdatum: den 1 nov 2021
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This document is part of a series of standards, details of which are given in ISO 15607:2019, Annex A.
This document specifies how a welding procedure specification for finishing welding of aluminium castings is qualified by welding procedure tests.
Arc welding of aluminium castings is performed by the following processes in accordance with ISO 4063:
— 131 MIG welding with solid wire electrode
— 132 MIG welding with flux cored electrode
— 133 MIG welding with metal cored electrode
— 141 TIG welding with solid filler material (wire/rod)
— 142 Autogenous TIG welding
— 143 TIG welding with tubular cored filler material (wire/rod)
— 145 TIG welding using reducing gas and solid filler material (wire/rod)
— 146 TIG welding using reducing gas and tubular cored filler material (wire/rod)
— 15 plasma arc welding
The shielding gases used with these processes are:
— argon, ISO 14175 – I1
— helium, ISO 14175 – I2
— argon helium mixture, ISO 14175 – I3
The principles of this document can be applied to other welding processes and shielding gases.
This document is not applicable for repair welding or for welding of joints where ISO 15614-2 is to be used.

Ämnesområden: Svetsmetoder
Kommittébeteckning: SIS/TK 134 (Svetsteknik)
Källa: CEN
Svarsdatum: den 1 nov 2021
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This document specifies how a preliminary welding procedure specification is qualified by welding procedure tests. It applies to arc and gas welding of copper and copper alloys in all product forms.
This document defines the conditions for the execution of welding procedure tests and the range of qualification for welding procedures for welding operations within the range of variables listed in Clause 9.
This document is applicable to all new welding procedures. However, it does not invalidate previous welding procedure tests made to former national standards or specifications. Where additional tests have to be carried out to make the qualification technically equivalent, it is only necessary to do the additional tests on a test piece made in accordance with this document.
Additional tests can be required by application standards.
The principles of this document may be applied to other fusion welding processes.

Kommittébeteckning: SIS/TK 254 (Järnväg, tunnelbana och spårväg)
Källa: CEN
Svarsdatum: den 4 nov 2021
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This document specifies the procedures of visual testing and ultrasonic testing of rail welds in track for rail profiles meeting the requirements of EN 13674-1.
This document specifies the principles for testing procedures for manufactured welds. This document defines the procedure for joint welds and repair welds. This document does not define the number of welds to be tested.
This document is not concerned with the approval of the welding procedure.

Kommittébeteckning: SIS/TK 563 (Additiv tillverkning)
Källa: CEN
Svarsdatum: den 16 nov 2021
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This document provides a guide and requirements for risk assessment and implementation of prevention and protection measures relating to additive manufacturing with powders.
The risks covered by this document concern all sub-processes composing the manufacturing process, including the management of waste.
This document does not specify requirements for the design of machinery/equipment used for additive manufacturing.

Ämnesområden: Ytrengöring
Kommittébeteckning: SIS/TK 146 (Korrosion)
Källa: ISO
Svarsdatum: den 17 nov 2021
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This document describes the typical immersion method for acid pickling generally used in shop facility’s for the preparation of steel substrates before application of paints and related products. It is in general applicable to new steelwork.
This method is essentially intended to remove rust and mill scale. Only slight oil residues will be removed during this process. It could be used on steel surfaces that are easily deformed by abrasive blasting.

Kommittébeteckning: SIS/TK 280 (Information och automation i produktlivscykeln)
Källa: ISO
Svarsdatum: den 2 dec 2021
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This document specifies the key considerations for organizations that are establishing appropriate roles and responsibilities for data quality management.
The following are within the scope of this document:
— implementing roles and responsibilities for data quality management;
— providing documentary evidence of this implementation;
— a framework for roles and responsibilities;
— a functional model of roles and responsibilities;
— example deployment scenarios for the framework of roles and responsibilities;
— comparison with the processes specified by ISO 8000-61.
The following are outside the scope of this document:
— process reference models for data quality management (ISO 8000-61 specifies a process reference model for data quality management);
— methods for data quality evaluation and certification;
— models for assessing the maturity of data quality management (ISO 8000-62 and ISO 8000-64 specify approaches to assessing the maturity of data quality management).
This document can be used in conjunction with or independently of standards for quality management systems.

Ämnesområden: Metalliska ytbeläggningar
Kommittébeteckning: SIS/TK 116 (Oorganiska ytbeläggningar)
Källa: CEN
Svarsdatum: den 6 dec 2021
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This document specifies the general properties of hot dip galvanized coatings and test methods for hot dip galvanized coatings applied by dipping fabricated iron and steel articles (including certain castings) in a zinc melt (containing not more than 2 % of other metals). It does not apply to the following:
a) sheet, wire and woven or welded mesh products that are continuously hot dip galvanized;
b) tube and pipe that are hot dip galvanized in automatic plants;
c) hot dip galvanized products (e.g., fasteners) for which specific standards exist and which might include additional requirements or requirements which are different from those of this document.
NOTE Individual product standards can incorporate this document for the galvanized coating by quoting its number, or can incorporate it with modifications specific to the product. Different requirements can also be made for galvanized coatings on products intended to meet specific regulatory requirements.
After-treatment/additional coating of hot dip galvanized articles is not covered by this document.