Pneumatics by the Numbers: Cylinder Forces, Air Consumption, Valve Flow, Demand Profiles, Compressor & Receiver Sizing, Pressure Drop, Condensate and the Cost of Compressed Air
Size a small compressed-air system from the cylinders up. You will convert pressures, pick cylinder bores for a load, turn strokes into free-air consumption, choose valves for a target speed, build a shift demand profile, size a compressor and receiver, pick pipe sizes from a pressure-drop table and price every cubic metre of air, with every cell checked as you go.
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About this course
This course sizes a small fictional compressed-air system step by step, with every cell checked. You convert bar, kPa and psi with conversion factors kept in cells, switch between gauge and absolute pressure and use the compression ratio to turn volumes into free air. You calculate extend and retract forces, solve for the minimum bore and pick the smallest listed size with MINIFS. You turn strokes into litres per minute, choose valves for a target piston speed, build a shift demand profile with diversity and a leakage allowance, size a compressor and receiver, read a pressure-drop table for the smallest pipe, estimate condensate and price the air per machine and per 1,000 cartons.
Lessons
- Pressure Units: Gauge vs Absolute, bar/kPa/psi & the Compression Ratio Pro
- Cylinder Forces: Extend & Retract, the Efficiency Factor and the Smallest Bore for a Load Pro
- Air Consumption: Swept Volume, Double-Acting Cycles and Free Air per Minute Pro
- Speed & Valve Flow: Flow for a Target Speed, the Smallest Valve and Cycle Times Pro
- Demand Profile: Consumption per Shift, Average vs Peak, Diversity & a Leakage Allowance Pro
- Compressor & Receiver: Capacity with Margin, Choosing a Model, Load Duty and Receiver Volume Pro
- Distribution & Treatment: Pressure-Drop Tables, Equivalent Length, the Smallest Pipe and Condensate per Day Pro
- Capstone – The Cost of Compressed Air: Specific Power, Cost per m³, a Lower Setpoint and Cost per Part Pro