🏭 过程控制工具

📏 Cp 过程能力计算器Cp Index 输入规格上限 USL、下限 LSL 与过程标准差 σ，工具计算 Cp 过程能力指数，衡量规格宽度与过程离散程度的比值（不考虑偏移），判断工序能否稳定满足公差要求。Cp Index - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Process Control tools. 🎯 Cpk 过程能力计算器Cpk Index Cpk 过程能力计算器同时考虑过程中心偏移求能力指数，输入均值、标准差与规格限输出 Cpk，适合六西格玛与质量管控。Cpk Index - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Process Control tools. 🔢 DPMO 计算器DPMO Calculate DPMO = 缺陷数 / (单位数 × 机会数) × 10⁶DPMO Calculate - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Process Con... 📐 Pp 过程性能计算器Pp Index Pp 过程性能计算器求过程总变异下的性能指数（对比规格宽度），适合长期过程能力评估与 Ppk 配套分析。Pp Index - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Process Control tools. 📊 Ppk 过程性能计算器Ppk Index Ppk 过程性能计算器求考虑中心偏移的长期过程性能指数，适合实际生产数据的能力评估与供货质量承诺。Ppk Index - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Process Control tools. 📈 X̄ 控制图界限计算器Xbar Control Limits X̄ 控制图界限计算器求子组均值控制图的 3σ 上下控制限，适合统计过程控制（SPC）中均值稳定性的监控与判异。Xbar Control Limits - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Process Control tools. ✅ 一次通过率计算器First Pass Yield FPY = 良品数 / 投入数 × 100%First Pass Yield - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Process Control tools. ↔️ 偏移后 Cpk 计算器Cpk with Shift 偏移后 Cpk 计算器求过程均值相对中心偏移 δ 后的实际能力指数，适合存在系统偏差时的过程能力准确评估。Cpk with Shift - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Process Control tools. 📐 公差叠加计算器（RSS）Tolerance Rss 输入线性尺寸链中各环节的公差，工具用均方根（RSS）法估计装配后的统计总公差，相比极值法更贴近大批量生产的实际波动，辅助公差分配与可装配性评估。Tolerance Rss - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Process Control tools. 🧩 公差叠加计算器（最差）Tolerance Worst Case 公差叠加计算器（最差情形）求线性尺寸链在最差情况下的总公差累积，适合机械装配的公差设计与间隙风险预估。Tolerance Worst Case - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Process Control tools. 🔬 合成不确定度计算器Measurement Uncertainty 逐个录入各项独立不确定度分量（如仪器、环境、方法），工具按均方根法（RSS）合成得到合成标准不确定度，并可按要求乘以包含因子给出扩展不确定度，用于检测报告的误差表达。Measurement Uncertainty - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Process Control tools. 🔗 流通合格率计算器Rolled Throughput Yield 流通合格率计算器求多工序串联时整体一次合格率（各工序良率连乘），适合复杂产线的过程能力综合评估。Rolled Throughput Yield - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Process Control tools. 🏅 西格玛水平计算器Sigma Level 西格玛水平计算器由百万缺陷机会数（DPMO）换算长期西格玛水平，适合六西格玛项目的过程能力对标与改进目标设定。Sigma Level - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Process Control tools. ⚠️ 超规格概率计算器Defect Probability 超规格概率计算器在正态假设下求超出上规格限的概率，输入均值、标准差与 USL 输出缺陷率，适合过程风险控制。Defect Probability - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Process Control tools.