🔧 工程计算工具

🔥 传热计算Heat Transfer 传热计算器。支持导热、对流与辐射三种换热模式，输入材料、温差与几何参数计算换热功率，适用于设备散热、保温设计与热力学教学。Heat Transfer - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🏗️ 圆轴扭转剪应力计算（工程）Shaft Torsion 圆轴扭转剪应力计算器。输入扭矩、轴半径与极惯性矩，按 τ = T·r/J 求圆轴最大扭转剪应力，用于传动轴强度校核与直径选型。Shaft Torsion - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 💪 应力计算Stress Calculator 应力综合计算器。支持拉压、剪切、扭转与弯曲应力的计算，输入荷载与几何参数即时输出应力结果，是机械与结构构件强度分析的常用工具。Stress Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineer... 🏗️ 悬臂梁端部集中荷载挠度（工程）Cantilever Deflection 悬臂梁端部集中荷载挠度计算器。输入梁长、弹性模量、惯性矩与端部荷载，按悬臂公式求端部最大挠度，用于悬臂结构刚度校核与变形预估。Cantilever Deflection - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation... 🏗️ 截面惯性矩计算（工程）Section Inertia 截面惯性矩计算器。输入常见截面（矩形、圆、工字等）尺寸，计算对中性轴的惯性矩 I，用于梁弯曲与柱稳定分析的截面刚度参数获取。Section Inertia - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🧱 材料截面计算Material Calculate 材料截面计算器。输入截面尺寸与密度，计算截面面积、惯性矩与重量，适用于型钢、板材等结构材料的力学参数估算与选型。Material Calculate - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Enginee... 🏗️ 梁受弯最大弯曲应力计算（工程）Bending Stress 梁受弯最大弯曲应力计算器。输入弯矩、截面抗弯模量等参数，按 σ = M/W 求梁截面最大弯曲正应力，用于受弯构件强度验算与选材。Bending Stress - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🏗️ 梁挠度计算Beam Calculator 简支梁挠度计算器。选择荷载工况，输入跨度、截面惯性矩、弹性模量与荷载，求最大挠度并与许用挠度对比，判定是否满足刚度要求，用于梁构件设计。Beam Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineerin... 🏗️ 泊松比横向应变计算（工程）Poisson Strain 泊松比横向应变计算器。输入轴向应变与泊松比，计算受拉压时横向应变（ε_t = −ν·ε_a），用于材料变形分析与各向同性弹性体行为校核。Poisson Strain - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🏗️ 线膨胀量计算（工程）Thermal Expansion 线膨胀量计算器。输入材料线膨胀系数、原长与温差，按 ΔL = α·L₀·ΔT 求热胀冷缩引起的长度变化，用于管道、轨道与精密结构的伸缩补偿设计。Thermal Expansion - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🏗️ 薄壁圆筒容器壁厚计算（工程）Pressure Vessel 薄壁圆筒容器壁厚计算器。输入内压、半径、许用应力与焊接系数，按薄壁公式求所需壁厚，用于压力容器设计与强度校核，符合工程规范。Pressure Vessel - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🏗️ 螺栓预紧力计算（工程）Bolt Preload 螺栓预紧力计算器。输入螺栓规格、摩擦系数与目标夹紧力等参数，计算所需预紧力矩与预紧力，适用于法兰、连接件装配的螺栓拧紧工艺设计。Bolt Preload - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🏗️ 角焊缝强度计算（工程）Weld Strength 角焊缝强度计算器。输入焊脚尺寸、焊缝长度与钢材许用应力，按角焊缝有效截面积求承载剪力与强度，用于钢结构焊接节点设计与验算。Weld Strength - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🏗️ 轴向拉压应力与应变计算（工程）Axial Stress 轴向拉压应力与应变计算器。输入轴力、截面积与材料弹性模量，按 σ = F/A、ε = σ/E 计算杆件轴向拉压应力与应变，适用于结构构件强度校核。Axial Stress - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools.