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Types of Surface Roughness and how to choose between 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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Types of Geometric Dimensioning and Tolerancing and how to choose between 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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Types of ISO 2768 General Tolerances and how to choose between 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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Types of First Article Inspection and how to choose between 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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Types of EN 10204 Material Certificates and how to choose between 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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Types of PPAP Submission and how to choose between 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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Types of Hydraulic Manifolds and how to choose between 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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Types of Heat Sinks and how to choose between 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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Types of Bearing Housings and how to choose between them
Bearing Housings is a bore and shoulder arrangement that locates a rolling bearing and keeps it square It is used for rotating assemblies where the bearing position sets the shaft alignment. Typical values: bore toleranc
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Types of Mould Inserts and how to choose between 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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