Introduction:This machine is primarily designed for roll-to-roll coating of various materials.
Main Raw Materials:Paper, film, and other roll materials.
Adhesive:Water-based coatings, solvent-based coatings, etc.
Coating Method:Wire-bar coating.
Main Equipment
1.Unwinding unit (dual-station type)
2.Coating unit (multi-functional coating)
3.Drying oven (1.5m length, single temperature zone)
4.Rewinding unit (single-station center winding)
5.Machine frame and transition section
6.Electrical control system
Unwinding unit (1 set)
1.Type: Single unwinding station
2.Effective unwinding width: 300mm
3.Effective unwinding diameter: ≤φ350mm
4.Unwinding shaft: Manual mechanical type / 3" (Φ76mm) air expansion shaft (optional)
5.Unwinding tension control: Automatic tension control (magnetic powder brake, tension controller)
6.Frame: Welded stainless steel
Coating unit
1.Coating method: Wire-bar coating
2.Effective coating width: 260mm
3.Coating parameters:
4.Backing roller: Material: Chrome-plated steel roller
5.Coating bar: 1–400 microns (selectable; one specification per bar; machine comes with 2 bars as standard)
6.Drive: Servo motor
7.Coating roller operation: Reverse rotation
8.Control box: Small control box equipped with warning indicators and an emergency stop button; controls include independent start/stop, speed adjustment, and pneumatic controls for coating operations
9.Exhaust hood: Exhaust hood installed at the coating section; allows for direct connection of piping to vent exhaust gas
Drying system
1.Type: Vertical arch-bridge style; pneumatic top-opening (single-sided)
2.Length: Oven: 1.5 meters, 2 temperature zones
3.Temperature:30–120°C ±3°C; heated by external stainless steel electric heating tubes; hot air circulation via centrifugal fan; automatic proportional temperature control using solid-state voltage regulators (SCR modules)
4.Thermal Insulation:60mm thick fiberglass insulation layer
5.Guide Rollers:Hard aluminum alloy guide rollers (Φ60mm, surface treated with brown hardening process to HV700, precision ground); 3 rollers per temperature zone
6.Oven Structure:Oven inner walls and internal air ducts made of 304 stainless steel; adjustable baffles installed on both hot air circulation and cold air intake vents
7.Hot Air Circulation: Hot air circulation driven by one 0.55kW centrifugal fan; airflow control dampers installed on both circulation ducts and exhaust ducts
Rewinding Mechanism
1.Type:Single-station center winding
2.Effective Rewinding Width: 300mm
3.Effective Rewinding Diameter:φ350mm
4.Rewinding Shaft:3" (Φ76mm) automatic air-expansion shaft (optional)
5.Drive System: Active synchronization via servo motor
6.Rewinding Tension Control: Servo motor torque control
7.Tension Control Method: Digital display for target value input
8.Machine Frame and Transition Section
9.Type:Column-supported arch bridge style
10.Transition Rollers: Aluminum alloy transition rollers (Φ60mm, precision ground, statically balanced); surface treated with brown hardening process to HV700
Electrical Control System
1. Type: Centralized control system with one control console (touchscreen program control with HMI interface)
Servo motor: Domestic brand;
Pneumatic components: Taiwan brand;
Low-voltage electrical components: Domestic brand;
Temperature controller: Domestic brand;
Electric heating system: Domestic brand;
2.Small control boxes are provided for both the coating head and the conditioning section, allowing for independent start/stop and speed adjustment; emergency stop buttons are also included.
3.Operation manual.
