By Industry Reporter
October 2025
As the global atomizer market gears up for 46 billion yuan scale by 2030, a seemingly humble component-the tray jig for oil filling machines-has emerged as a game-changer for small and medium-sized manufacturers (SMEs). Chinese equipment developers have launched upgraded tray jigs featuring magnetic positioning and adaptive design, slashing defect rates from 3% to under 0.8% while ramping up production efficiency by 25%.
Precision Redefined Through Structural Innovation
The latest tray jigs address longstanding pain points in atomizer production: misalignment between filling needles and cartridges, and slow changeovers between product specs. Leading manufacturer Feihong's newly released dual-layer jig adopts a "magnet-assisted positioning + foolproof screw" structure, ensuring the fixture locks into place within 2 seconds and eliminating reverse installation errors entirely.
"Traditional jigs required manual calibration that took up to 10 minutes per batch," explained Lin Tao, R&D director at Feihong. "Our new design integrates conical guide holes above each cartridge slot, compensating for needle bending or installation deviations. This reduces positioning error to ±0.01mm-critical for high-viscosity liquids like CBD oil that demand precise dosing."
Key technical upgrades include:
Dual-layer Pressing: Upper and lower clamps secure the atomizer's cotton wick to prevent e-liquid leakage during filling.
Temperature Compatibility: 316 stainless steel construction withstands 30-50℃ heating modules, adapting to heated oil systems for thick liquids.
Rapid Adaptation: Adjustable limit plates accommodate cartridges from 0.5ml to 10ml capacity, cutting changeover time to 60 seconds.
Technology Direction of Smart Jigs: In the future, tray jigs will be deeply linked with AI-powered filling machines-pressure sensors can detect in real-time whether the pod is placed stably (detection accuracy 0.1N), and if there is improper placement, the filling will be paused immediately to avoid empty filling or missing filling; at the same time, the AI system can automatically calibrate the position of the filling needle through the positioning data fed back by the jig, realizing closed-loop control of "equipment-jig-pod" and reducing the overall production defect rate to below 0.3%.
Application Prospects of New Materials: Ceramic-reinforced composite jigs have a hardness of HRC70 (316 stainless steel is HRC20), with wear resistance increased by 3 times, and can withstand more than 100,000 cycles. They are 40% lighter than metal jigs, making them more suitable for high-speed fully automatic filling lines (over 60 pieces per minute); currently, the cost of this material is high (about twice that of 316 stainless steel), and it is expected that with the expansion of mass production scale in 2027, the cost will drop to the same level, gradually replacing metal materials.
Environmental Trend of Jigs: The EU's Waste Electrical and Electronic Equipment (WEEE) Directive requires that from 2026, atomizer production equipment components must meet 70% recyclability. The new jigs adopt a modular design (e.g., detachable ceramic positioning blocks, metal frames), which can be disassembled and recycled after scrapping, with a recycling rate of 85%, far exceeding traditional integrated jigs (recycling rate only 40%), helping enterprises comply with environmental regulations and avoid export obstacles.
After-Sales Maintenance Standards for Jigs: High-quality jig suppliers in the industry need to provide "three-level maintenance services"-Level 1 (daily maintenance): provide cleaning tools and maintenance manuals to guide customers to clean jig slots weekly (to avoid e-liquid residue affecting precision); Level 2 (fault repair): commit to responding within 48 hours and provide spare jigs to avoid production line downtime; Level 3 (upgrade service): provide free specification adjustment accessories (e.g., replacing limit gaskets of different thicknesses) to adapt to customers' new pod models and extend the jig service life by 3-5 years.
