🔧 工程計算工具

🔥 傳熱計算Heat Transfer 傳熱計算器。支持導熱、對流與輻射三種換熱模式，輸入材料、温差與幾何參數計算換熱功率，適用於設備散熱、保温設計與熱力學教學。Heat Transfer - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🏗️ 圓軸扭轉剪應力計算（工程）Shaft Torsion 圓軸扭轉剪應力計算器。輸入扭矩、軸半徑與極慣性矩，按 τ = T·r/J 求圓軸最大扭轉剪應力，用於傳動軸強度校核與直徑選型。Shaft Torsion - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 💪 應力計算Stress Calculator 應力綜合計算器。支持拉壓、剪切、扭轉與彎曲應力的計算，輸入荷載與幾何參數即時輸出應力結果，是機械與結構構件強度分析的常用工具。Stress Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineer... 🏗️ 懸臂樑端部集中荷載撓度（工程）Cantilever Deflection 懸臂樑端部集中荷載撓度計算器。輸入梁長、彈性模量、慣性矩與端部荷載，按懸臂公式求端部最大撓度，用於懸臂結構剛度校核與變形預估。Cantilever Deflection - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation... 🏗️ 截面慣性矩計算（工程）Section Inertia 截面慣性矩計算器。輸入常見截面（矩形、圓、工字等）尺寸，計算對中性軸的慣性矩 I，用於梁彎曲與柱穩定分析的截面剛度參數獲取。Section Inertia - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🧱 材料截面計算Material Calculate 材料截面計算器。輸入截面尺寸與密度，計算截面面積、慣性矩與重量，適用於型鋼、板材等結構材料的力學參數估算與選型。Material Calculate - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Enginee... 🏗️ 梁受彎最大彎曲應力計算（工程）Bending Stress 梁受彎最大彎曲應力計算器。輸入彎矩、截面抗彎模量等參數，按 σ = M/W 求梁截面最大彎曲正應力，用於受彎構件強度驗算與選材。Bending Stress - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🏗️ 梁撓度計算Beam Calculator 簡支梁撓度計算器。選擇荷載工況，輸入跨度、截面慣性矩、彈性模量與荷載，求最大撓度並與許用撓度對比，判定是否滿足剛度要求，用於梁構件設計。Beam Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineerin... 🏗️ 泊松比橫向應變計算（工程）Poisson Strain 泊松比橫向應變計算器。輸入軸嚮應變與泊松比，計算受拉壓時橫向應變（ε_t = −ν·ε_a），用於材料變形分析與各向同性彈性體行為校核。Poisson Strain - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🏗️ 線膨脹量計算（工程）Thermal Expansion 線膨脹量計算器。輸入材料線膨脹係數、原長與温差，按 ΔL = α·L₀·ΔT 求熱脹冷縮引起的長度變化，用於管道、軌道與精密結構的伸縮補償設計。Thermal Expansion - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🏗️ 薄壁圓筒容器壁厚計算（工程）Pressure Vessel 薄壁圓筒容器壁厚計算器。輸入內壓、半徑、許用應力與焊接係數，按薄壁公式求所需壁厚，用於壓力容器設計與強度校核，符合工程規範。Pressure Vessel - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🏗️ 螺栓預緊力計算（工程）Bolt Preload 螺栓預緊力計算器。輸入螺栓規格、摩擦係數與目標夾緊力等參數，計算所需預緊力矩與預緊力，適用於法蘭、連接件裝配的螺栓擰緊工藝設計。Bolt Preload - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🏗️ 角焊縫強度計算（工程）Weld Strength 角焊縫強度計算器。輸入焊腳尺寸、焊縫長度與鋼材許用應力，按角焊縫有效截面積求承載剪力與強度，用於鋼結構焊接節點設計與驗算。Weld Strength - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools. 🏗️ 軸向拉壓應力與應變計算（工程）Axial Stress 軸向拉壓應力與應變計算器。輸入軸力、截面積與材料彈性模量，按 σ = F/A、ε = σ/E 計算杆件軸向拉壓應力與應變，適用於結構構件強度校核。Axial Stress - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Engineering Calculation tools.