Observed arrival · 2026-11-02

Chip Atlas: a machining encyclopedia with live calculators

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Editorial interest 79/100 Selection signal · not a rating of the site

A technical reference for machining processes, tools, materials, and measurements, paired with interactive models, calculators, and sourced tables.

Landing page captured for the 2026-11-02 issue.

For: Machinists, CNC operators, and manufacturing students
Worth noticing: The example calculator uses a Ø40 mm shaft and CNMG 120408 insert in a 95° holder.

Field notes

The featured calculator specifies a Ø40 mm shaft with a CNMG 120408 insert in a 95° holder, and exposes spindle speed and feed as inputs. The atlas includes references such as ISO 513 tool classifications, spindle interfaces, coolant types, and G-code commands; its stated page format runs from definitions and models through formulas, tables, common mistakes, and sources.

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○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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