Hollow Blow-Molded Mineral Water Plastic Pallet / Bottled Water Plastic Mold — Product Introduction (Motek Pallet Mold Series)
Hollow Blow-Molded Mineral Water Plastic Pallet / Bottled Water Plastic Mold — Product Introduction (Motek Pallet Mold Series)
Product Positioning
Motek introduces dedicated hollow blow-molded pallet mold solutions for the warehousing, stacking, and forklift turnover of mineral water bottles and 5-gallon (18.9L) bottled water. The core differences between bottled water pallets and general logistics pallets lie in: the pallet surface needs to be shaped to fit and position the bottle bottoms, a fixed number of bottles per layer (typically 16 bottles/layer), and the lightweight and impact-resistant advantages brought by the hollow blow molding process. The core challenges in mold development lie in the precision forming of bottle-bottom positioning grooves, the control of blow-molded wall thickness uniformity, and the load-bearing stability of the pallet when fully loaded with bottled water. Motek configures dedicated solutions around the blow-molded cavity layout, bottle position positioning structures, and cooling systems, helping customers achieve stable mass production of blow-molded pallets specifically for bottled water.
Core Specifications
| Item | Specification |
|---|---|
| Applicable Plastics | HDPE (High-Density Polyethylene, preferred for blow-molded pallets, low-temperature resistant, impact-resistant) |
| Mold Material | P20 / 718H (pre-hardened steel); surface hardness up to HV800–1000 after nitriding treatment |
| Number of Cavities | 1×1 (single cavity for large blow-molded pallets) |
| Molding Process | Hollow blow molding (extrusion blow molding), parison inflation forming |
| Applicable Specifications | 1080×1080×180mm (16 bottles/layer) and other bottled water specific dimensions |
| Load Capacity Reference | Static load approx. 4 tons / Dynamic load approx. 1.5 tons (reference values for bottled water specific pallets) |
| Cooling System | Circulating water channels + dedicated cooling layout for blow molds |
| Demolding Method | Mold opens for removal, coordinated with demolding mechanisms |
Product Features
Precision Forming of Bottle-Bottom Positioning Grooves.
The core function of bottled water pallets is to stably carry 5-gallon water bottles and prevent displacement or tipping during forklift handling and stacking. Motek directly forms positioning grooves or retaining edge structures adapted to the bottle bottom shape in the blow-molded cavity, ensuring accurate positioning and no wobbling after each bottle is placed. The depth and spacing of the positioning grooves are design-verified to fit the bottom profile of standard 18.9L bottled water while balancing the ease of picking and placing both empty and full bottles.
Uniformity Control of Blow-Molded Wall Thickness.
The load-bearing performance of blow-molded pallets depends on the uniformity of wall thickness distribution. Motek optimizes parison dimensions and blow ratios based on the bottle position distribution and support leg structure of the bottled water pallet, ensuring even material distribution between the bottle position load-bearing areas, support legs, and the deck. Industry experience shows that the wall thickness in the support leg areas of blow-molded pallets must be specifically reinforced based on the load-bearing requirements of fully loaded bottled water (16 bottles per layer with a large total weight) to prevent collapse or cracking in the legs after long-term use.
Mold Clamping Precision and Appearance Quality of Blow Molds.
Blow molding produces parting lines at the parting surfaces, affecting pallet appearance and bottle position fit precision. Motek performs precision matching machining on parting surfaces, positioning parting lines on non-bottle-contact surfaces or pallet edge areas wherever possible to reduce subsequent trimming processes. For bottled water pallets, the parting lines in the bottle position positioning groove areas must be carefully treated to prevent burrs from affecting the stability of water bottle placement.
Cooling Efficiency and Cycle Time Optimization.
Cooling time accounts for the major portion of the blow molding cycle for pallets. Motek designs circulating cooling water channels in cavities and cores, focusing on the bottle position load-bearing areas and support leg areas to equalize cooling rates across regions, avoiding pallet warpage or bottle position deformation caused by uneven cooling. The cooling layout balances mold rigidity with cooling uniformity, shortening cycle times while ensuring pallet flatness.
Weather Resistance and Hygiene Adaptation for Bottled Water Scenarios.
Bottled water pallets are typically used in water plants, distribution centers, and similar environments, requiring moisture resistance and easy cleaning. Motek ensures pallet surfaces are smooth and free of dead corners in mold design, with rounded transitions at the bottoms of bottle position positioning grooves for easy flushing and drainage. HDPE material itself is low-temperature resistant and impact-resistant, suitable for cold-chain or room-temperature bottled water distribution. For customers with hygiene requirements, cavity surfaces can be polished.
Blow Pin Position and Air Intake System Design.
Motek reasonably selects blow pin positions (typically at the pallet center or non-bottle position areas) based on the structural characteristics of bottled water pallets, ensuring even distribution of compressed air to each bottle position and support leg corner. Blow pin positions avoid bottle position contact surfaces and critical load-bearing areas for easy subsequent trimming.
Bottled Water Specific Pallet Specification Reference
| Pallet Specification (mm) | Single Layer Capacity | Load Reference | Application Scenarios |
|---|---|---|---|
| 1080×1080×180 | 16 bottles (18.9L/5-gallon) | Static load approx. 4T / Dynamic load approx. 1.5T | Water plants, bottled water distribution centers, four-way forklift entry |
| 1100×1100×150 | 16 bottles (adapted model) | Depends on wall thickness design | Standard bottled water turnover |
| 1070×1070×180 | 16 bottles (universal base) | Depends on wall thickness design | Bottled water dedicated base partition |
Note: The specific load capacity and self-weight of blow-molded bottled water pallets vary depending on wall thickness design, reinforcement rib layout, and HDPE raw material grade. Motek provides customized mold design based on customer 3D drawings and target load-bearing requirements.
Applications
Motek hollow blow-molded mineral water plastic pallet / bottled water plastic molds are suitable for:
- 5-gallon (18.9L) bottled water dedicated blow-molded pallets
- Mineral water bottle full-layer load-bearing blow-molded pallets
- Water plant/distribution center bottled water turnover dunnage pallets
- Four-way entry bottled water blow-molded pallets
- Blow-molded load-bearing boards requiring bottle-bottom positioning functions
Service Process
After the customer provides 3D product drawings, bottled water specifications (bottle bottom shape and dimensions), load requirements (static/dynamic), target output, and blow molding machine model, Motek completes blow molding simulation (including parison size evaluation, bottle position area wall thickness distribution prediction, and cooling optimization) and mold structure confirmation; cavity steel is selected per blow molding process requirements (P20/718H, nitrided); progress and key milestones are regularly reported during processing. During trial molding, Motek cooperates with the customer's blow molding machine for parison adjustment, inflation parameter optimization, and wall thickness inspection, with emphasis on verifying bottle position positioning precision, support leg forming completeness, and pallet flatness. Before shipment, molds undergo anti-rust treatment and action testing, with water circuit diagrams, consumable parts lists, and blow molding process parameter recommendations provided. Technical support is available during the warranty period, with lifetime maintenance consultation.
Motek — From general logistics pallets to bottled water specific blow-molded dunnage pallets, providing reliable mold solutions for the load-bearing needs of mineral water warehousing and distribution.
