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Materials and Vertical Machining Centre: what works and what does not
Vertical Machining Centre is a milling machine with a vertical spindle and an automatic tool changer, run from a single programme It is used for batch work on prismatic parts where several operations have to run without
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Heat Sinks tolerances: what is realistic and what it costs
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 Wire EDM Machine and how to avoid them
Wire EDM Machine is a machine that cuts conductive material with a travelling brass wire in deionised water, by spark erosion It is used for internal profiles, sharp internal corners and hardened parts that cannot be mil
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Mould Inserts tolerances: what is realistic and what it costs
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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Geometric Dimensioning and Tolerancing tolerances: what is realistic and what it costs
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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Surface Roughness tolerances: what is realistic and what it costs
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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ISO 2768 General Tolerances tolerances: what is realistic and what it costs
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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EN 10204 Material Certificates tolerances: what is realistic and what it costs
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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PPAP Submission tolerances: what is realistic and what it costs
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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Materials and CNC Milling Machine: what works and what does not
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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