Welcome to discuss your project requirements.
Welcome to discuss your project requirements.
- Material: Waste wood, sawdust, wood chips, wood shavings, straw, waste kraft paper, bamboo, palm trees, coconut, softwood, bagasse, etc.
- Configuration: Crusher, mixer, glue mixer, hydraulic press, cooling system, waste recycling system, plc
The Mexico compressed pallet production line assisted in the installation site. We provided professional on-site guidance to ensure that the machine was installed correctly and operated normally. After the machine was successfully installed, Dergo began production using agave residue as raw material. The final pallet was very strong and durable, fully meeting the customer's requirements.
Detailed introduction to the working process of wooden pallet hydraulic press
I. Raw material pretreatment stage
--Raw material crushing and grading
The logs/wood blocks are crushed to 10-30mm particle size by a double-shaft crusher, and the magnetic separation device removes metal impurities (iron removal efficiency ≥99%). The vibrating screen separates coarse materials (≥5mm) and qualified materials (≤5mm), and the coarse materials return to the crushing process for cyclic processing.
--Drying and mixing the glue
The dryer adjusts the moisture content to 8%-15% (wood-plastic mixture needs ≤3%). Add adhesive (such as PE recycled material + coupling agent) and stir it through a high-speed mixer for 20 minutes (temperature 70℃).
II. Compression molding stage
--Mold preheating and loading
The hydraulic press mold is heated to 50℃ in advance (the wood-plastic process requires 190℃ storage bin insulation). The automatic feeding system evenly spreads the mixture into the mold, and the filling density deviation is ≤2%.
--Pressure molding
Four-column/frame hydraulic press (tonnage 800-2000 tons) performs multi-stage pressurization:
1)Fast down pressure: pressurize to the set pressure within 35 seconds (pine 22MPa, miscellaneous wood 25MPa)
2)Pressure holding and curing: hold pressure for 6-10 minutes, pressure fluctuation ≤1MPa, ensure pallet density ≥0.8g/cm³
--Temperature control
WPC process mold temperature is maintained at 150-200℃, pure wood process uses steam heating (120-150℃)
III. Post-processing stage
--Cooling and demoulding
Natural cooling or forced air cooling to below 40℃ after pressing to avoid thermal deformation. Hydraulic press automatic ejection device completes demoulding (demolding force ≤ total pressure 10%).
--Finishing and quality inspection
Remove burrs, test pallet size tolerance (±1.5mm) and load strength (static load ≥1.5 tons). Waste is recycled and reused through the crushing system, and the raw material utilization rate is ≥95%.
IV. Core equipment parameters
--Process Technical indicators
Pressing speed: Single molding time 7-10 minutes, daily output 150-240 pieces
Energy consumption control: Steam heating system comprehensive energy consumption ≤120kW·h/ton
Automation level: PLC control positioning accuracy ±0.5mm, failure rate ≤0.3%
Zhengzhou Jiutian Machinery is a professional machine manufacturer with 20+ years of experience in China.
Jiutian focuses on wooden pallet machine, wooden pallet production line, plastic pallet machine, plastic pallet production line and other auxiliary equipment.
Sincere service, looking forward to win-win cooperation with domestic and foreign customers. Welcome to discuss customizing your solution.
Welcome to discuss your project requirements, we will give you customized Proposal & Quotation within 24 hours.
According to the customer's actual requirements, raw materials and use of customized solutions
Own production base, strict production standards and processes, professional quality control.
Engineers track the entire service, install and commissioning the equipment to ensure successful operation.
Provide technical support, technical service, technical training, after-sales service.
