如果您因设备不兼容或软件漏洞而在使用 机械工具箱: 机械工程公式计算与分析软件 的最新版本时遇到问题，在应用开发者修复问题之前，下载旧版本可能是一个实用的解决方案。APKPure 提供与各种设备和 Android 系统兼容的 机械工具箱: 机械工程公式计算与分析软件 所有旧版本。下载 机械工具箱: 机械工程公式计算与分析软件 的旧版本以用于 Android。APKPure 的所有下载均无病毒，并提供快速、安全的方式获取您所需的应用程序版本历史记录。
更新于2026年10月21日
• New Mass Moment of Inertia and Assembly Center of Mass tools, with examples and CSV/PDF reports.
• Find saved work faster with project search and Favorites filtering.
• Copy calculations, comparisons and reference rows with labels and units.
• Improved copying, sharing, dialogs, and language and unit handling.
更新于2026年10月19日
New in 1.22.0:
• New Hertz Contact Stress calculator: contact pressure and the stresses below the surface for balls and rollers on flat, convex or concave surfaces.
• New Backup & Restore for projects, history, favorites and custom materials: keep a copy or move them to another device.
• Two worked examples each for 12 machine design and 3 vibration calculators.
• Export what-if chart data as CSV.
更新于2026年10月14日
• Added Material Mass & Weight, Bolt-circle Hole Coordinates, Sheet-metal Bend Allowance, Machining Time & Removal Rate, and Circular Plate Bending.
• Reorder favourites with drag handles or Move up / Move down.
• Export comparisons to CSV and copy complete results.
• More worked examples and complete exports for bolt-circle layouts.
更新于2026年10月13日
• Six new calculators: Hydraulic Cylinder, Thermal Radiation, Pump Affinity Laws, Flywheel Braking, Elastic Strain Energy and Pipe Insulation.
• Two selectable worked examples for every mechanics-of-materials tool, plus clearer calculation steps and vessel checks.
• Compare saved calculations in Projects, even across languages.
• New material and pipe presets, localized search terms, and Undo for favorites.
更新于2026年10月11日
- Added Machining Speeds & Feeds, Hydrostatic Pressure & Force, Bernoulli & Continuity, Transient Heating & Cooling, and Mass–Spring–Damper Vibration.
- Find saved projects faster; the Unit Converter remembers your unit choices.
- Clearer tool icons and more complete translations.
- Fixed stress/strain conversions, calculator edge cases, saved results, and small-screen layouts.
更新于2026年10月09日
• New Helical Extension Spring, Helical Torsion Spring and Hardness Conversion tools, plus Johnson buckling.
• Navigate fields from the keyboard, with clearer validation and stronger error feedback.
• Search and filter History, undo deletions and organize saved calculations in Projects.
• Improved calculator layouts and a Recalculate prompt when inputs change.
更新于2026年09月29日
New in 1.15.0:
• Solve for any input: set the result you want and the app finds the input that gives it.
• New tools: Curved Beam in Bending, and Frames and Machines.
• Add your own fluids, thermal materials and composites, and manage them in My Materials.
• Home Screen widgets and app-icon shortcuts for your favourite tools.
更新于2026年09月24日
New in 1.14.0:
• Premium unlocks every tool and removes ads with one purchase — if you already removed ads, you have it. You can also unlock a single tool by watching one ad.
• A fresh new app icon and launch screen.
• The unit converter no longer shows a stray decimal point on round numbers in scientific notation.
更新于2026年09月14日
New in 1.13.0:
• New Thermodynamics tools: steam tables (IAPWS-IF97), ideal gas processes, the Otto, Diesel and Brayton cycles, and the Rankine cycle — with p–v and T–s diagrams.
• On a tablet, results now appear beside your inputs instead of on a page of their own.
• Standard sections and composite presets fill in more calculators, and both fatigue tools draw the Goodman diagram.
• History keeps your last 500 calculations.
更新于2026年09月07日
New in 1.12.0:
• Beam Load Analysis now covers six support arrangements — cantilever, overhang, propped and fixed-ended — with any number of point, distributed and moment loads.
• New Bolt Grades & Torque reference: ISO 898-1 and SAE J429, with clamp load and tightening torque.
• New Power Screw calculator: torque, efficiency and self-locking.
• Japanese and Chinese PDF reports no longer drop characters.
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