How a screw-cap machine works
2025-09
The core of the capping machine is its ability to automatically achieve a "sealed connection between container and cap," which, simply put, works in four steps:
Bottle positioning for capping: Place the bottles awaiting cap sealing (such as beverage or medicine bottles) at the designated location, ensuring they remain steady and don’t shift.
Cap sorting and arrangement: Use a vibratory bowl feeder to align scattered bottle caps in a uniform direction (e.g., with the opening facing downward), then deliver them one by one directly above the bottles.
Pre-tightening step: First, lightly engage the cap with the bottle opening (e.g., screw on the threaded cap 1–2 turns) to prevent misalignment during the final tightening process.
Precision screw sealing: The capping head rotates at a preset force (torque) and speed, tightly securing the bottle cap. Once the correct level of pressure is reached, it automatically stops—ensuring a leak-proof seal without damaging the bottle or cap.
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