Description Overview Customized hot welding machine for polycarbonate discs and TPU film Reference: YY-3217 Model: YY-3217 Technical Parameters Impulse welding process: pressure applied to seam area by impulse-heater Heat created by pulsing energy through the heating element for the duration of the weld After set weld time, a slight cool down cycle helps eliminate wrinkles Electrical Specifications Grounded AC 220 V supply with correct breaker and protection Pneumatic Specifications Nominal working pressure: 0.5 MPa Cooling System Chiller filled with clean water or manufacturer-specified coolant Chiller must remain upright with adequate airflow Operating Modes Manual mode for setup, fixture changes, alignment, and debugging Automatic mode for production after settings are confirmed and work area is clear When leaving unattended, switch to manual mode then power off Controls and HMI Password-controlled permission function for parameter changes Adjustable parameters: delay time, weld time, cooling time, rise and stay, and reset time Large, sudden increases in temperature or pressure not recommended; adjust in small steps Factory parameters marked as restricted should not be changed Safety Features Emergency stop: stops machine immediately in automatic mode In manual mode, designated control raises the heating plate Two hand controls required; one hand operation prohibited Guards and shields must be in place; interlocks must not be bypassed Lockout tagout required before cleaning, maintenance, or repair Condition and Maintenance Start of each shift: check two hand buttons, emergency stop, guards, interlocks, air pressure, and chiller operation Monthly: inspect structural screws and critical fasteners for loosening; retighten as required All inspections recorded in maintenance log Maintenance log updated after each service event Included Documentation User manual with safety instructions Maintenance log Not specified
