Compact sorting gate: checking cylinder force, meter-out control and 24 V loads

Technical selection note: a compact sorting gate needs separate checks for actuator force, motion control and electrical supply.

For a hypothetical 20 mm bore cylinder at 5 bar gauge pressure, extension force is about 157 N before friction and opposing-chamber pressure are included. That is not the available force at a pivoting gate: linkage geometry and the package contact point matter. Retraction requires the rod-side effective area. Use guides or appropriate pivots to carry side loads.

For a 75 mm stroke mechanism, the AirTAC MA20X75SCM is a candidate with a magnetic piston and fixed impact pads. Those pads should not be treated as adjustable air cushioning. Check the stopping-energy limit at the intended mass and speed, and select compatible endpoint sensing.

The pneumatic interface deserves its own check. The cylinder listing specifies PT1/8 ports. The SMC AS2201F-01-06A listing specifies meter-out control, an R1/8 thread and 6 mm tube OD, without sealant. Confirm the exact port drawing, thread engagement and sealing procedure before treating the pairing as suitable. A directional valve is still required, and its flow capacity must be checked at operating conditions. Two correctly oriented controls can regulate the two directions; they are not directional valves or safety holding devices.

On the electrical side, a MEAN WELL HDR-60-24 is rated 24 V DC, 2.5 A and 60 W. Total the actual controller, sensor and simultaneous coil loads, then check transients, derating and voltage drop. A supply rating does not establish that a PLC output can switch the chosen coil.

The acceptance test should capture movement time, endpoint feedback and minimum pressure while nearby actuators operate. A missing endpoint must result in a defined fault response rather than simply letting the next package enter. Stop/restart behavior needs its own machine-specific validation.

These are catalog-based candidates, not a combination I claim to have installed or tested. Disclosure: I operate airtacs.com. Commercial product references for checking the exact variants:

AirTAC MA20X75SCM: https://www.airtacs.com/products/airtac-ma-double-acting-round-body-air-cylinder-ma20x75scm
SMC AS2201F-01-06A: https://www.smc.lat/products/smc-speed-control-valve-as2201f-01-06a
MEAN WELL HDR-60-24: https://www.meanwells.com/products/mean-well-hdr-60-series-din-rail-type-power-supply-hdr-60-24

For readers evaluating a similar gate, which constraint is dominant in your application: stopping energy, exhaust restriction or minimum item spacing?
 
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