Coming soonPress Fit Calculator
Interference fit analysis: contact pressure, assembly force, and hub stress for shaft-hub connections.
Coming soonResources
Engineering Resources
The Fastener Calculator is available now and runs client-side with no sign-up required. Additional engineering tools are in development and will be published when ready.
Fasteners & Joints
Bolted, pressed, welded and dimensional joint analysis.
Fastener Calculator
VDI 2230 bolt torque, preload, surface pressure, thread stripping, and joint stiffness.
Open toolComing soon
Coming soonWeld Joint Calculator
Fillet and butt weld stress analysis per Eurocode 3 and AWS D1.1 standards.
Coming soon
Coming soonTolerance Stack-Up
Worst-case, RSS, and Monte Carlo tolerance analysis for dimension chains with contribution breakdown.
Coming soonDrives & Motion
Power transmission, motion profiles and control sizing.
Coming soonGear Train Calculator
Spur, planetary, harmonic, cycloidal, and worm drive sizing: ratio, torque, and efficiency for multi-stage trains.
Coming soon
Coming soonBelt & Chain Drive Calculator
V-belt, timing belt, and roller chain drive sizing.
Coming soon
Coming soonCam Profile Designer
Motion laws, pressure angle, curvature analysis for disk cams.
Coming soon
Coming soonMotor Sizing
Load inertia and motion profile analysis for servo and stepper motor selection.
Coming soon
Coming soonPID Tuning Simulator
Interactive step response, Bode plot, and auto-tuning rules for PID controllers.
Coming soonRobotics
Kinematics and workspace tools for serial & cable robots.
Coming soonRobot Kinematics
Interactive FK/IK visualizer: DH parameters, Jacobian, singularities for serial manipulators.
Coming soon
Coming soonCable Robot Workspace
Feasible workspace, cable tensions, and wrench analysis for cable-driven parallel robots.
Coming soonStructural & Fatigue
Strength, stability, fatigue and dynamic isolation.
Coming soonBeam Deflection
Interactive bending moment, shear force, and deflection diagrams for common beam configurations.
Coming soon
Coming soonShaft Fatigue Analyzer
DIN 743 shaft strength verification with notch effects and Goodman correction.
Coming soon
Coming soonColumn Buckling Calculator
Euler, Johnson, Eurocode 3 with standard steel profiles.
Coming soon
Coming soonBearing Life Calculator
ISO 281 bearing life (L10/L10m) for ball and roller bearings.
Coming soon
Coming soonSpring Design
Compression, extension, and torsion spring sizing with stress and fatigue life estimation.
Coming soon
Coming soonHydraulic Cylinder Calculator
ISO 3320 cylinder sizing, Euler buckling, Lamé wall thickness.
Coming soon
Coming soonVibration Isolator Calculator
SDOF transmissibility, natural frequency, mount selection.
Coming soonThermal & Fluids
Heat transfer and pipe flow design tools.
Coming soonThermal Resistance
Layer-by-layer thermal resistance network for electronics cooling and enclosure design.
Coming soon
Coming soonHeat Exchanger Calculator
LMTD and NTU-effectiveness methods for 4 configurations.
Coming soon
Coming soonPipe Flow Calculator
Darcy-Weisbach, Colebrook-White, Moody chart, fittings library.
Coming soonUtilities
General-purpose engineering helpers.
Coming soonUnit Converter
20 categories, 148 units covering mechanical, thermal, and fluid domains.
Coming soonStay in the loop
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