Tangency Points
42 typical profile templates with visual diagrams, tool-nose compensation, and G-code reference output.
OFFLINE · ISO STANDARDS
Pro CNC Lathe
Pro CNC Lathe
Calculations at Your Fingertips
Tangency coordinates & G-code helpers, ISO thread & tolerance lookup, surface speed & RPM conversion — built-in standards, fully offline, ready on the shop floor.
Features
Six Modules for Daily Lathe Work
From programming aids to standard lookups — less manual math, fewer transcription errors.
Thread Calculation
Built-in ISO 261 metric specs; theoretical thread dimensions per ISO 68-1 / 724; coarse & fine pitch lookup.
Tolerance Calculation
ISO 286 hole/shaft tolerances and fits — H7/g6 and other standard fits, plus manual deviation input.
Surface Speed / RPM
Convert diameter, surface speed, and RPM; metric/imperial units; optional max spindle speed warning.
Chamfer Calculation
Solve axial, radial, and angle combinations; switch between diameter and radius input modes.
Taper Calculation
Per ISO 3040 — flexible solving for major/minor diameters, length, taper angle, and ratio; clear α vs β.
Screenshots
Real UI, Clear at a Glance
Actual app screenshots — dark theme, large controls, designed for the shop floor.
Why LatheCalc Pro
Built for the Shop Floor
No network, no login, no upload — your process data stays on your device.
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Fully offlineISO tables and calculation engine built in — works without signal
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Large keypadDesigned for gloved hands — fast, accurate input
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History & favoritesAuto-saved records; reuse common parameters in one tap
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Chinese & EnglishUI and diagrams support both languages
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Traceable resultsSolver version and standard data pack info for verification
Download Now — Take It to the Floor
For CNC operators, process engineers, programmers, and machining students