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Common problems with EN 10204 Material Certificates and how to avoid them
EN 10204 Material Certificates is a standard that defines the type of inspection document supplied with a material It is used for proving that the material in the part is what the drawing called for. Typical values: type
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Common problems with PPAP Submission and how to avoid them
PPAP Submission is the production part approval process used in the automotive supply chain, at four levels of evidence It is used for proving that a production process can make the part repeatedly, before series supply
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CNC Milling Machine tolerances: what is realistic and what it costs
CNC Milling Machine is a machine tool that removes material with a rotating cutter while the workpiece is clamped to a moving table It is used for producing prismatic parts, pockets, slots and contoured faces to a drawin
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Common problems with Hydraulic Manifolds and how to avoid them
Hydraulic Manifolds is a block with drilled and ported passages that connects valves, pumps and actuators It is used for replacing pipework with a single machined block, in mobile and industrial hydraulics. Typical value
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Common problems with Heat Sinks and how to avoid them
Heat Sinks is a machined or extruded finned body that carries heat away from a component It is used for power electronics, LED assemblies and any enclosure that generates heat. Typical values: material aluminium, or copp
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Common problems with Mould Inserts and how to avoid them
Mould Inserts is a replaceable steel component that forms part of a mould cavity It is used for moulds where a wear area, a core or a detail needs to be replaced or machined separately. Typical values: material H13, or a
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Common problems with Geometric Dimensioning and Tolerancing and how to avoid them
Geometric Dimensioning and Tolerancing is a symbolic language on the drawing that controls form, orientation and position It is used for saying what a part actually has to do, instead of relying on plus minus dimensions
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Common problems with ISO 2768 General Tolerances and how to avoid them
ISO 2768 General Tolerances is a standard that sets the tolerance for dimensions that have no individual tolerance on the drawing It is used for keeping a drawing readable, by not dimensioning every non critical size. Ty
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Common problems with First Article Inspection and how to avoid them
First Article Inspection is a full dimensional check of the first part from a new setup, reported against the drawing It is used for proving that the process can make the part before the batch is committed. Typical value
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Common problems with Surface Roughness and how to avoid them
Surface Roughness is the measure of the fine peaks and valleys left on a surface by the manufacturing process It is used for controlling friction, wear, sealing and appearance on a finished face. Typical values: paramete
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