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How to specify Mould Inserts on a drawing
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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How to specify ISO 2768 General Tolerances on a drawing
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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What drives the cost of CNC Milling Machine
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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What drives the cost of Vertical Machining Centre
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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What drives the cost of Horizontal Machining Centre
Horizontal Machining Centre is a milling machine with a horizontal spindle and a rotary table, usually with pallet exchange It is used for parts that need work on several faces in one setup, and for unattended running. T
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How to specify Bearing Housings on a drawing
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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How to specify Hydraulic Manifolds on a drawing
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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How to specify Geometric Dimensioning and Tolerancing on a drawing
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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How to specify Surface Roughness on a drawing
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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How to specify First Article Inspection on a drawing
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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