Mohamed Aboelfotouh
Conventional roughing of tool steel uses a wide radial cut and a shallow depth. Only the bottom few millimetres of the cutter do the work, they do it under high load and heat, and the tool is worn out while most of its flute length is still new. Trochoida ....
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Mohamed Aboelfotouh
A used cutting edge is a record of what happened in the cut. The position and shape of the wear show whether the speed was too high or too low, whether the grade was too hard or too soft, and whether heat or mechanical load did the damage. Machinists who ....
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Mohamed Aboelfotouh
Wire EDM cuts punches, die openings, inserts and stripper plates from hardened steel with a thin wire and no cutting force. The accuracy and surface it delivers depend mostly on one decision: how many passes are made. One rough cut is fast and adequate fo ....
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Mohamed Aboelfotouh
Twenty years ago, almost every hardened mold cavity was finished by sinker EDM. Today, stiff high-speed machines and coated carbide tools can mill steel at 50–60 HRC to final size and finish. Hard milling is usually faster and leaves a better surfac ....
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Mohamed Aboelfotouh
Every milling operation is defined by a small set of numbers: cutting speed, feed per tooth, and the width and depth of cut. Catalogues give recommended values, but the machine needs spindle speed and table feed, and the catalogue values assume a short, r ....
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Mohamed Aboelfotouh
Metal, under the skilled hand of a machinist and the bite of a cutting tool, reveals its story in the form of chips. These telltale slivers whisper valuable insights about the machining process, each shaped by a unique interplay of factors:Material Compat ....
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Mohamed Aboelfotouh
The milling process, a key element of manufacturing, utilizes a revolving cutting tool to remove material from a workpiece. The two main categories of milling are climb and conventional, each exhibiting unique advantages and drawbacks. Recognizing the nua ....
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