车工计算器助手 vs LatheCalcPro

【切点坐标计算】 内置几十种常见零件结构图形，支持角度接圆弧、圆弧接角度、角度接角度、圆弧接圆弧等多种组合方式。自动计算切点坐标并实时生成程序代码，同时提供刀尖圆弧补偿功能，确保加工精度。 【螺纹库与计算】 全面覆盖公制螺纹、美制螺纹（UNC/UNF）、英制螺纹、NPT管螺纹、梯形螺纹等标准。输入公称直径和螺距，自动计算中径、小径、牙高等参数，并可一键生成G76/G92螺纹加工程序。 【宏程序自动生成】 支持椭圆、抛物线、蜗杆、网纹、八字油槽等复杂零件的宏程序自动生成。只需输入关键参数，系统自动生成基于#变量的循环程序代码，大幅减少人工编程时间。 【锥度计算】 专业的锥度计算功能，可输入起刀和退刀距离，自动计算最优加工路径。支持刀尖补偿，确保锥面加工精度。 【公差配合查询】 快速查询孔轴配合公差，覆盖标准公差等级（IT01~IT18）和基本偏差系列，输入基本尺寸和公差代号即可输出上下偏差值。 【常用材料重量计算】 内置常用钢材、铝材、铜材等材料密度库，输入长度、外径等参数即可快速计算工件理论重量，便于材料预算和加工方案制定。 【G/M代码速查】 提供常用G代码和M代码指令格式与功能说明，支持关键词搜索，方便编程时快速查阅。 【三角函数与几何计算】 包含三角函数计算、对角计算（四方、六方等）、比例计算等常用数学工具，满足加工中的各类几何计算需求。

Built for the shop floor — not the desk. LatheCalc Pro is a professional offline calculator for CNC lathe operators, programmers, and machinists. No account, no network, no data upload. ISO standard tables and calculation engines are built in, so you can look up specs and run numbers even when signal is weak. CUT POINTS Browse T01–T42 contour templates with clear diagrams. Supported models solve tangent coordinates, apply tool-nose radius compensation, and output G-code references — less manual math, fewer copy errors. METRIC THREADS ISO 261 diameter–pitch lookup (M1–M100). Theoretical profile sizes per ISO 68-1 / ISO 724. Coarse and fine pitches, custom geometry mode for non-standard profiles. TOLERANCE & FITS ISO 286 hole and shaft tolerances, standard fits (e.g. H7/g6), and manual deviation entry. Tolerance-band visualization helps you read drawings faster. SURFACE SPEED / RPM Convert between cutting speed and spindle speed from work diameter. Metric and imperial units. Optional machine max-RPM warning when results exceed your limit. CHAMFER & TAPER Multiple solve modes for known dimension combinations. Diameter/radius input toggle. Taper per ISO 3040 with clear full-angle (α) vs half-angle (β) handling. WHY LATHECALC PRO • Fully offline — standards and engine bundled in the app • Shop-friendly — large numeric keypad, glove-friendly layout • History & favorites — reuse inputs in one tap • English & Chinese — UI and diagrams • Traceable results — solver version, standard pack, and input summary • Flexible settings — units, X diameter/radius mode, display precision FOR CNC lathe operators, process engineers, programmers, and machining students who need fast ISO lookups and reliable field calculations.