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How to specify Sinker EDM on a drawing
Sinker EDM is a spark erosion process that forms a cavity with a shaped electrode in dielectric fluid It is used for producing blind cavities, deep ribs and fine detail in hardened material. Typical values: typical toler
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How to specify Wire EDM on a drawing
Wire EDM is a spark erosion process that cuts a profile with a thin travelling wire in deionised water It is used for cutting hardened material, sharp internal corners and parts with no cutting force. Typical values: typ
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How to specify Thread Milling on a drawing
Thread Milling is cutting a thread with a rotating cutter that interpolates a helical path, rather than with a tap It is used for threads in hard material, large threads and threads that must be concentric with another f
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How to specify 6061-T6 Aluminium on a drawing
6061-T6 Aluminium is a heat treatable aluminium alloy with magnesium and silicon, in the T6 temper It is used for general machined parts where weight, strength and cost have to be balanced. Typical values: tensile streng
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How to specify 7075-T6 Aluminium on a drawing
7075-T6 Aluminium is a high strength aluminium alloy with zinc as the main addition, in the T6 temper It is used for aerospace and motorsport parts where strength to weight is the deciding factor. Typical values: tensile
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How to specify Deburring on a drawing
Deburring is the removal of burrs and the rounding of sharp edges after machining It is used for making parts safe to handle, and stopping burrs from interfering with assembly. Typical values: edge radius 0.1 to 0.5 mm t
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How to specify 316L Stainless Steel on a drawing
316L Stainless Steel is a low carbon austenitic stainless steel with molybdenum, for corrosion resistance It is used for medical, food and marine parts, and anything that has to be cleaned aggressively. Typical values: t
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How to specify 304 Stainless Steel on a drawing
304 Stainless Steel is the general purpose austenitic stainless steel, with chromium and nickel It is used for general corrosion resistant parts where the chloride resistance of 316L is not needed. Typical values: tensil
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How to specify Lapping on a drawing
Lapping is a fine finishing process where the part is rubbed against a lap with a loose abrasive slurry It is used for achieving extreme flatness and a very fine finish on sealing and gauging faces. Typical values: flatn
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How to specify High Speed Machining on a drawing
High Speed Machining is milling at high spindle speed with light radial engagement and high feed per tooth It is used for removing metal quickly from thin walled or difficult parts with low cutting force. Typical values:
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