PLC controlled 1600 IG hot press machine

For insulating glass manufacturers that need consistent pressure, straight sightlines, and fast processing of double glazed units, the automatic 1600 insulating glass hot press machine is a proven solution on busy production lines. This equipment is often selected as a hydraulic 1600 insulating glass hot press machine because its hydraulic-driven platens deliver even compression from edge to edge, which helps reduce sealant squeeze-out and improves the bond between spacer frame and glass. Manufacturers moving to larger formats also choose a 1600mm insulated glass hot press for double glazing in this class to handle wider units without sacrificing cycle speed. The welded steel frame and precision-ground platens of this hot press resist deflection under load, which is critical when pressing 1600 mm-wide units with Low-E coatings or tempered lites. Typical applications include residential double glazed windows, patio doors, and commercial curtain wall panels up to 1600 mm in width. The machine can also be integrated into automatic IG production lines alongside washing, spacer application, and gas filling stations, making it a flexible choice for both small workshops and high-volume plants. In addition, the PLC interface logs cycle data for quality control, allowing supervisors to trace press parameters for every batch. This level of documentation supports ISO and CE compliance in many window and door plants.

The PLC controlled 1600 IG hot press machine is engineered for precision pressing of insulating glass units after the spacer frame and glass lites have been positioned on the infeed table. Once the operator selects the recipe, the press automatically advances the glass pack to the pressing station and triggers the hydraulic cylinder. The upper heated platen lowers at a controlled speed, holds the pack at the programmed pressure for a defined dwell time, and then retracts smoothly so the finished unit can move to the discharge conveyor. Linear transducers and pressure transmitters feed real-time data back to the PLC, which adjusts the stroke and pressure to match the selected recipe. This closed-loop control keeps pressure variations within tight limits, protects thin glass from cracking, and improves bond quality for dual-seal and single-seal IG units. Operators can define separate recipes for different glass sizes, spacer widths, and sealant types, then recall those settings from the touchscreen with minimal downtime. The frame is manufactured from heavy-duty steel and normalized after welding to reduce residual stress. The platens are milled flat and heated by embedded resistance elements, with independent PID temperature loops for the upper and lower platens. A hydraulic power pack with oil cooling maintains stable operation during continuous three-shift production. For maintenance, the PLC provides diagnostic fault codes and a maintenance log, which reduces troubleshooting time and supports preventive maintenance planning. The press is also suitable for hot-press lamination trials and for verifying sealant compression in R&D departments. The following list and table summarize the main technical parameters of the PLC controlled 1600 IG hot press machine.

• PLC control with 7-inch touchscreen HMI and 30 recipe storage positions
• Hydraulic pressing system with automatic pressure compensation and overload protection
• Working width up to 1600 mm, height up to 2000 mm
• Pressure range from 0.1 MPa to 0.8 MPa, adjustable in 0.01 MPa steps
• Heated platen temperature adjustable from ambient to 120°C
• Pressing time adjustable from 5 to 120 seconds
• Maximum insulating glass thickness 50 mm
• Minimum unit size 200 x 300 mm
• Pneumatic supply requirement 0.6–0.8 MPa
• Electrical supply 380 V, 50 Hz, 3-phase with optional 220 V / 60 Hz configuration
• Two-hand safety start, emergency stop, and optional light curtain interface
• Conveyor roller height adjustable to match existing IG line transport height