46 tools
Engineering
Industrial and process engineering: OEE, takt time, capacity, efficiency, tolerances and unit-heavy technical work.
Tools in this category
- EngineeringOEE CalculatorOverall equipment effectiveness with its three factors: availability, performance and quality.
- EngineeringTakt Time CalculatorThe pace a line must run at to meet customer demand, in seconds per unit.
- EngineeringProduction Capacity CalculatorUnits per shift, per hour and per week from cycle time, efficiency and machine count.
- EngineeringCost Per Unit CalculatorUnit cost of a batch, showing how much of it is fixed cost spread over the quantity.
- EngineeringDowntime Cost CalculatorThe cost of a stoppage, counting lost margin and the fixed costs that keep running.
- EngineeringFirst Pass Yield CalculatorShare of units that pass without rework, alongside the final yield.
- EngineeringScrap Cost CalculatorWhat a scrap rate costs per period and per year.
- EngineeringLabour Productivity CalculatorUnits per person-hour, units per person and the labour minutes each unit consumes.
- EngineeringDPMO CalculatorDefects per million opportunities, with defects per unit and yield.
- EngineeringCp and Cpk CalculatorProcess capability indices from the specification limits, the mean and the standard deviation.
- EngineeringAir Changes Per Hour CalculatorAir changes per hour for a room, the flow a target rate needs, and the time for one complete change.
- EngineeringMTBF and Availability CalculatorMean time between failures, availability and total downtime from run hours and failure count.
- EngineeringAutomation ROI CalculatorHow many years a robot cell or automatic machine takes to pay back from the labour and other savings it brings, with and without the discount rate, its net present value and its return over its life.
- EngineeringLine Balancing and Takt Time CalculatorTakt time, theoretical number of workstations and balance efficiency of an assembly line.
- EngineeringElectricity CO₂ Emissions CalculatorCarbon dioxide from electricity use, with comparisons to trees and car kilometres.
- EngineeringCapacity Utilisation CalculatorUtilisation rate, spare capacity and how fixed costs per unit change when you fill the plant.
- EngineeringEconomic Order Quantity CalculatorThe order size that balances ordering costs against holding costs, with the order frequency.
- EngineeringStock Cover CalculatorDays of stock remaining, the reorder point for a lead time, and how many days of margin are left.
- EngineeringDuct Velocity and Sizing CalculatorAir velocity in a rectangular duct, its equivalent round diameter, and the size a target velocity needs.
- EngineeringEnergy Cost per Part CalculatorElectricity consumed and paid for by each part produced, and the yearly total.
- EngineeringPneumatic Cylinder Sizing CalculatorThe smallest bore that delivers a given force at your pressure, the standard bore to order, its usual rod and the real force out and back.
- EngineeringPrincipal Stress and Mohr's Circle Calculator (Plane Stress)Principal stresses, maximum shear, von Mises and Tresca equivalent stress, and the stress on any rotated plane, from σx, σy and τxy.
- EngineeringPsychrometric CalculatorHumidity ratio, enthalpy, saturation pressure and density of moist air at a given state.
- EngineeringWind Turbine Power CalculatorElectrical output of a wind turbine at a given wind speed, the power in the wind and the Betz limit, with the turbine's power curve drawn.
- EngineeringCompressed Air Pressure Drop CalculatorThe pressure lost along a compressed air pipe for a given flow, length and inner diameter, the air speed inside it and the smallest pipe that keeps the loss within your limit.
- EngineeringInventory Turnover CalculatorHow many times a year stock is sold and replaced, and how many days of stock that represents.
- EngineeringLMTD Heat Exchanger CalculatorLog mean temperature difference, the heat duty it gives, and the area a 100 kW duty would need.
- EngineeringStaffing Requirement CalculatorHeadcount needed for a workload, allowing for real efficiency and absence.
- EngineeringControl Chart Limits CalculatorUpper and lower control and warning limits for a control chart, from the process mean and standard deviation.
- EngineeringDegree Days CalculatorHeating and cooling degree days for a period, and the energy a building of a given fabric would need.
- EngineeringCompressed Air Leak Cost CalculatorHow much free air a set of leaks lets out at your network pressure, the compressor power it takes and what that costs in electricity per year.
- EngineeringMachine Hour Rate CalculatorWhat one productive hour of a machine costs, split into depreciation, interest, floor space, maintenance and energy, plus its total cost per year.
- EngineeringRoom CO₂ Level Calculator (Ventilation)How high carbon dioxide builds up in a room with a given number of people and amount of fresh air, and how much ventilation keeps it at 1000 ppm.
- EngineeringVacuum Suction Cup CalculatorThe holding force a vacuum gripper needs for a part, the force on each cup, the smallest cup diameter and whether the cups you have in mind hold it.
- EngineeringCorrosion Rate Calculator (Weight Loss, mm/year and mpy)Corrosion rate from the weight a test coupon loses, in mm per year, mils per year and µm per year, with the wall left after a number of years and the years until it reaches a minimum.
- EngineeringEvaporative Cooler Calculator (Outlet Air Temperature)Temperature of the air leaving a direct evaporative cooler from the outdoor temperature, humidity and the effectiveness of the wet media.
- EngineeringFan Power Calculator (Shaft Power from Airflow and Pressure)Power a fan or blower needs on its shaft from the airflow, the pressure it must add and its efficiency, together with the power that actually reaches the air.
- EngineeringHydraulic Accumulator Sizing Calculator (Bladder, Piston and Diaphragm)The size of accumulator needed to deliver a given volume of oil between a low and a high working pressure, from the gas precharge, with the gas volumes at both ends.
- EngineeringPick and Place Cycle Time CalculatorThe cycle time of a pick-and-place move — down, grip, up, across, down, release, up and back — from the distances, top speed, acceleration and gripper times, with the parts per minute and per hour.
- EngineeringDittus-Boelter Heat Transfer CalculatorNusselt number and convective heat transfer coefficient for turbulent flow inside a tube.
- EngineeringStack Effect Calculator (Chimney Effect in Buildings and Flues)The pressure difference and the airflow that warm air rising in a building, stairwell or chimney creates between a low and a high opening, from the height and the two temperatures.
- EngineeringWeibull Reliability CalculatorChance that a component is still working after a given time, the share failed, the failure rate and the B10 life, from the Weibull shape and scale parameters.
- EngineeringHeat Exchanger Effectiveness (NTU) CalculatorEffectiveness, NTU, capacity ratio and duty of a counterflow heat exchanger.
- EngineeringPneumatic Cylinder Air Consumption CalculatorFree air consumption of a pneumatic cylinder in NL/min and m³/h, plus the push force it develops.
- EngineeringFin Efficiency CalculatorEfficiency and heat output of a straight rectangular fin from its thickness, length, material and air-side coefficient.
- EngineeringAir Receiver Size CalculatorThe receiver volume needed to cover a given air demand for a given time within an allowed pressure drop.