Servo Driven Hot Plate Heavy Duty Pallet Welding Machine
Main Features
1. This machine uses a servo system to precisely control the vertical movement of the cold plates, while the hot plate moves forward and backward via the forward and reverse rotation of a servo motor.
2. Workpieces are moved left and right to the welding position by two lower cold plates; one cold plate loads the workpiece and the other performs welding, allowing for simultaneous operation and doubling efficiency.
3. The upper die lowers to make slight contact with the honeycomb panel to verify that the upper clamps align with the panel; fine adjustments can be made in the forward, backward, left, and right directions.
4. The upper and lower workpieces enter the baking zone separately, where the plastic components on the top and bottom of the workpiece are heated and melted.
5. The upper die rises, the hot plate rapidly retracts, and the upper die lowers to weld the workpiece.
Specifications
| Model | AC-ZBFBS |
| Dimensions | L6800 mm × W4100 mm × H2500 mm |
| Heating Power | 16 kW |
| Power Supply | 380 V, 50 Hz AC |
| Power Load | 24 kW |
| Air Supply | 4 m³/min |
| Pressure | 0.6 MPa |
| Maximum Ambient Humidity | 5–80% |
| Ambient Temperature | -5°C to 35°C |
| Equipment Weight | 5.0 T |
| Applications | Heavy-duty industrial pallets for the new energy sector, heavy-duty logistics transfer pallets, plastic pallets, biogas digesters, industrial base plates, etc. |
Product Advantages
No restrictions on dimensions or welding area:
Capable of completing full-circle and large-area splicing in a single pass; 1–1.8 m heavy-duty logistics pallets and hollow pallets can all be formed in one go, supporting the full-sheet splicing process
Comprehensive material compatibility:
Perfectly compatible with HDPE, PP, highly filled modified materials, and thick-walled soft rubber; effectively addresses the challenge of welding highly crystalline plastics that are difficult to weld using ultrasonic methods; serves as the mainstream process for heavy-duty plastic pallets
Extremely high weld strength and reliable load-bearing capacity:
Full-surface fusion ensures weld strength of over 80% of the base material's strength, withstanding repeated stacking and forklift impacts; ideal for heavy-duty shelving pallets and heavy-duty chemical pallets; excellent airtight and watertight performance
No special structural requirements for products:
Pallets do not require ultrasonic energy-conducting ribs; existing plastic part structures can be welded directly, reducing upfront mold modification costs; both irregular shapes and convex/concave welding surfaces can be processed
High precision with servo drive:
Rapid servo advance and retract (hot plate retraction ≤ 1 s); programmable segmented pressure control; 0.1 mm-level positioning; capable of compensating for 0.5–2 mm dimensional tolerances in plastic parts; stable batch consistency; 30%–40% energy savings compared to pneumatic hot plates
The welding process is highly controllable and repeatable:
Multi-stage precision control is employed. All parameters throughout the entire welding process (downstroke, welding, hold pressure, cooling, and return stroke)-including position, speed, and pressure-can be independently and precisely set and controlled. Perfect repeatability: Once the parameters are optimized, the machine will repeat the exact same sequence tens of millions of times, ensuring that the quality of every pallet and every weld point is completely consistent, thereby significantly reducing quality fluctuations.
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