PLC-controlled production line

with touch screenwith mixerfor dispensers

Overview
JCT specializes in R&D and manufacturing of EVA hot melt adhesive production line equipment. We deliver turnkey production lines for shoe-edge sealing applications, including process design, equipment fabrication, installation and commissioning, automation control, formulation support and operator training to help clients set up stable, efficient production quickly.

Turnkey project scope

• Process design and factory layout
• Equipment manufacture and factory acceptance testing
• On-site installation and commissioning
• PLC-based automation and control integration
• Technical support for adhesive formulation
• Operator training and documentation

Why choose EVA hot melt adhesive for shoe-edge sealing?

• High initial tack ensures reliable bonding
• Good melt flow for consistent application
• Fast set/curing to increase throughput
• Solvent-free, low VOC for improved environmental compliance
• Flexible and crack-resistant joint performance
• Strong adhesion to EVA, PVC, PU, rubber and textiles
• Compatible with automatic dispensing, roller coating and spray systems

Equipment configuration (Main modules — Function)
Reactor — EVA melting, mixing and heat preservation
Sigma mixer — Compounding of high-viscosity raw materials
Thermal-oil heating system — Precise temperature control and efficient heat transfer
Vacuum system — Degassing to remove air bubbles and improve quality
Automatic metering and feeding — Accurate ingredient dosing
Precision filtration — Removal of impurities
Automatic packaging — Finished-product packaging for efficiency
PLC control system — Centralized operation and process monitoring

Technical specifications

• Daily output range: 1 ton to over 20 tons
• Heating methods: thermal oil or electric heating
• Agitation options: paddle, frame or ribbon type
• Vacuum capability: ≤ -0.095 MPa
• Temperature control accuracy: ±1°C
• Automation level: semi-automatic or fully automatic
• Voltage options (customizable): 220V / 380V / 415V
• Control system: PLC with touchscreen
• Product-contact materials: SUS304 / SUS316L stainless steel

Turnkey project advantages

• One-stop solution from planning and design to installation and after-sales
• Consistent product quality via precise temperature control, automatic dosing and vacuum degassing
• Energy-efficient heating through optimized thermal-oil circulation
• High automation reduces manual intervention and increases productivity
• Flexible customization for softening point, open time, color and viscosity

Application areas

• Shoe-edge sealing
• Sole bonding
• Shoe upper lamination
• Bonding of shoe materials
• Insole adhesion
• Edge binding and trimming
• Leather goods
• Luggage and bag manufacturing
• Packaging industry

Key features / specifications

• Capacity: 1–20+ t/day
• Heating: thermal oil or electric
• Agitators: paddle, frame or ribbon
• Vacuum: ≤ -0.095 MPa for degassing
• Temperature accuracy: ±1°C
• Automation: semi or full with PLC and HMI
• Voltage: 220V / 380V / 415V (custom)
• Materials: SUS304 / SUS316L for all product-contact parts