Engineering Note
Roll Die Cutting Print Mark Sensor Setup
Set up print-mark registration by coordinating artwork contrast, sensor position, teach values, web tracking, encoder scale and cut verification.
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HANNAI ENGINEERING NOTES
Engineering Notes
Selected machine, quotation, acceptance and production knowledge for buyers turning a cup requirement into a workable project.
LATEST NOTES
Recent Technical and Buyer Guidance
All published notes remain available below; the featured paths above are the recommended starting points.
Engineering Note
Paper Cup Ultrasonic Horn Replacement: Confirm Compatibility
Prepare a horn replacement brief with actual stack identity, approved interfaces and system-specific checks, then validate the finished cup seam.
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Engineering Note
Paper Cup Machine Bottom Roll Splice Control
Control bottom paper roll splices with clear identification, stop-and-remove rules, affected-cup segregation, restart checks and material traceability.
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Engineering Note
Paper Cup Machine Suction Cup Selection Guide
Select paper cup machine suction cups by matching material, lip profile, compliance, connection, paper surface and dynamic pickup evidence.
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Engineering Note
Paper Cup Machine Thermocouple Wiring Guide
Prevent false heater readings by matching thermocouple type, polarity, junction, extension cable, connector and controller input on a paper cup machine.
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Engineering Note
Paper Cup Machine Sensor Replacement Checklist
Match a replacement sensor to the paper cup machine by checking sensing method, supply, PNP or NPN output, NO or NC logic, connector and mounting.
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Engineering Note
Paper Plate and Box Machine Heater Plate Temperature Uniformity Inspection Guide
Investigate uneven thermoforming through heater-zone identity, sensor contact, surface temperature mapping, platen condition and labeled products.
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Engineering Note
Hamburger Box Machine Hot-Melt Tank, Hose and Temperature Stability Maintenance Guide
Maintain consistent adhesive delivery by checking hot-melt identity, tank condition, hose zones, temperature evidence, filtration and demand.
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Engineering Note
Paper Cup Packing Machine Film Static and Bag-Opening Troubleshooting Guide
Resolve unstable bag opening by separating film static, layer adhesion, opener airflow, mechanical guides, timing and cup-stack interference.
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