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Blow-molded tray molds · turnkey programs
Make heavy-duty hollow pallets production-ready in one shot
A complete blow-mold program for logistics, chemical and cold-chain trays — structure simulation, steel selection, cooling layout, tryout and process windows — so plants can run impact-resistant, reusable HDPE pallets at stable cycle times.
√ 200+
√ Chair mould projects
√ 1,000,000
√ Shot life potential
√ ±0.05mm
√ Critical tolerance
√ 30+
√ Export markets
Application Coverage
Four bin families, one tooling method
Mold strategy follows volume, structure and finish: thin-wall household bins need gloss and multi-cavity; municipal bins need deep-core cooling and warp control; industrial containers need strength and axle inserts.
Nine-leg blow-molded pallet molds
Nine-leg blow-molded pallet molds are used to produce blow-molded plastic pallets with nine legs at the bottom. Common sizes include 1100×1100, 1200×1000, and 1200×800 mm. With a dynamic load of 1–2 T and a static load of 4–6 T, they are suitable for flat-floor warehousing, forklift handling, and logistics transport. The blow molding process creates a hollow interior with high overall strength and impact resistance, while the nine-leg structure ensures even load distribution and stable stacking. Overall advantages include strong load capacity, durability, and suitability for flat-floor storage.
Double-deck blow-molded pallet molds
Double-deck blow-molded pallet molds are used to produce blow-molded plastic pallets with load-bearing surfaces on both top and bottom. The symmetrical double-deck structure ensures more stable stacking and is suitable for flat-floor warehousing, stacking, and forklift handling. The mold can be customized with anti-slip textures, embossed company logos, and color-specific formulations to meet branding and anti-slip requirements. Overall advantages include double-sided load capacity, stable stacking, and high customizability — ideal for logistics warehousing and branded pallet production.
Special-purpose blow-molded pallet molds
Special-purpose blow-molded pallet molds are used to produce blow-molded plastic pallets customized for specific industries or products, including mineral water pallets, beverage pallets, water bottle pallets, chemical drum pallets, and food turnover pallets. These pallets are typically customized based on the size, weight, and stacking method of the products they carry. Mold design focuses on bottle or drum positioning structures, anti-slip design, load distribution, and stacking stability. For example, mineral water pallets must precisely match bottle diameter and arrangement to ensure stable, tip-free transport, while chemical drum pallets require corrosion resistance and reinforced load capacity. Overall advantages include strong specificity, high compatibility, and customizability — meeting the dedicated pallet needs of different industries.
Other blow-molded pallets moulds
In addition to nine-leg, double-deck, and special-purpose pallets, blow-molded pallets also include three-runner, picture-frame, heavy-duty, export, cold chain, anti-slip, and steel-reinforced types — meeting different requirements for load capacity, storage methods, and operating environments.
Workflow
From drawing to stable output
From initial 3D conceptualization to final trial shot testing in our high-tonnage injection machines, our streamlined 6-stage process ensures total transparency.
Communication of requirements
Discuss the product dimensions, structure, appearance, material, mold steel requirements, injection machine tonnage, and other key information needed for product design.
Step 1
Technical Drawing Approval
The documents to be confirmed include: product 3D drawings, mold drawings, and any related drawings required for mold flow analysis, if applicable.
Step 2
Custom Materials & Mold Processing
Prepare the required steel according to customization needs, and arrange mold processing such as CNC machining, EDM, deep-hole cooling, polishing and texturing, as well as steel heat treatment.
Step 3
Trial Sample Approval
Conduct trial molding and send samples to the customer for confirmation, and keep improving the mold until the customer approves it as qualified.
Step 4
Shipment and Delivery
Prepare the mold 2D/3D drawings, inspection reports, etc., and customize wooden crates as required, arrange booking, and confirm the shipping schedule.
Step 5
After-sales Follow-up Service
Provide services such as rapid response, technical support, repair and maintenance, and spare parts supply for customers' mold usage.
Step 6
Engineering solutions
Why a blow-molded pallet program
Accumulator-head blow molding forms a sealed hollow body and ribs in one shot — built for drop, impact, moisture and low temperature.
√ Hollow Blow-Molded Structure Design
The blow molding process creates a hollow interior with high overall strength and impact resistance. The mold must precisely control parison thickness and blow-up ratio to ensure uniform wall thickness.√ Load-Bearing and Rib Design
Bottom legs, reinforcing ribs, and load-bearing surfaces must be properly laid out to meet dynamic and static load requirements, ensuring even load distribution and resistance to deformation.√ Anti-Slip and Stacking Structure
The mold can be designed with anti-slip textures, anti-slip pad positions, and stacking registers to keep goods from sliding and ensure stable pallet stacking.√ Built-In Steel Tube and Insert Structure
For high-load pallets, the mold must reserve steel tube channels or insert positions to enhance overall rigidity and racking load capacity.√ Cooling and Cycle Time Control
Blow-molded pallets are large and thick-walled, so the mold cooling system must be uniform and efficient to shorten cycle time and reduce deformation and sink marks.√ Surface Treatment and Brand Customization
The mold can be finished with anti-slip patterns, leather grain, embossed logos, and color-specific formulations to meet branding and appearance needs across different industries.
Spec Sheet
Configurable Mould Parameters
Typical ranges only. Final build follows part size, resin grade and target output. Part size determines mold structure and machine tonnage; resin grade determines steel and runner system; target output determines tool life and steel grade. Cooling, surface finish, lead time and budget should also be confirmed together.
| Item | Options / Values | Notes |
|---|---|---|
| Cavity / Core Steel | P20, 718H, 2738, NAK80, H13, S136 | Selected by tool life and polish requirements |
| Cavity / Core Hardness | Pre-hardened steel HRC 30–35; Heat-treated steel HRC 48–52 | Directly affects wear resistance and mold life |
| Mold Base | LKM / HASCO / DME / MISUMI | LKM S50C or P20 are common choices |
| Runner System | Hot runner (pin-point gate) / Cold runner | Hot runner is common for chairs to reduce cold scrap and improve efficiency |
| Number of Cavities | Single cavity (large chairs) / Multi-cavity (stools) | Large chairs are usually 1-cavity; small parts can be multi-cavity |
| Resins | PP, HDPE, ABS, PC, regrind | PP is commonly used for chairs; UV-stable PP required outdoors; glass-filled resins need wear-resistant steel |
| Tool Life | 300,000 – 1,000,000 shots | P20 approx. 200,000–300,000; 2738/heat-treated steel can reach 600,000–1,000,000 |
| Cycle Time | 35 – 70 s | 1.3–2.5 kg chairs: 45–66 s on standard machines; 35–50 s on high-efficiency machines |
| Injection Machine Tonnage | 650T – 1650T | Standard chairs approx. 850T; PC chairs / gas-assist chairs require 1350T+ |
| Clamp Force Check | Projected area × cavity pressure (350–500 kg/cm²) × 1.17 safety factor | Must exceed the parting force; insufficient clamp force causes flash |
| Surface Finish | Mirror / grain / rattan EDM | Parting line should be smooth to the touch |
| Corrosion Consideration | PVC/POM/PBT and other corrosive resins require S136, 2316 | Halogen-containing or acidic plastics require stainless steel molds |
| CAD / CAE | UG, SolidWorks, Pro/E, AutoCAD, Moldflow | Fill and cooling studies completed before steel is cut |
Tools, lines and finished bins
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Line matching
Mold + machine pairing
In the production of large hollow products such as blow-molded pallets, the match between mold and machine directly affects production efficiency and product quality. Based on three core parameters — accumulator head capacity, clamp force, and platen size — we match the most suitable large blow molding machine for each customer, ensuring a high degree of compatibility between mold and equipment.
We provide not only molds, but a complete mold-and-machine matching solution — confirming accumulator capacity, clamp force, and platen size item by item to ensure efficient coordination between equipment and mold, helping customers avoid detours and start production quickly.
√ Accumulator Head Capacity Matching
Based on pallet weight, wall thickness, and parison size, we calculate the required accumulator capacity to ensure sufficient extrusion per shot, avoiding short shots, uneven wall thickness, or molding defects.√ Clamp Force Matching
Based on the pallet's projected area and blow pressure, we calculate the required clamp force to avoid flash from insufficient clamping or wasted energy from excessive clamping.√ Platen Size Matching
Based on mold dimensions and mounting method, we verify platen size, tie-bar spacing, and mounting hole positions to ensure smooth machine setup.√ Shorter On-Line Commissioning
Through precise machine matching and mold design coordination upfront, we reduce repeated adjustments after machine setup, shorten commissioning time, and help customers start production faster with lower trial-and-error costs.
Send the file.
A proposal in 2 working days.
Fill out a Request a Quote form
Prepare your project details and glass manufacturing specifications, and we will provide you with a quote within 24–48 hours.
Send Sample/Picture/3D
Once the sample or drawing is received, we will provide a solution within 2 working days to ensure you get the best product for your project.
Order Online
Once the drawing is confirmed, you can book online, and we will arrange production as soon as possible.
Emaiil：info@motekchina.com
Telephone：86-136 4603 1916
Address：Benzhou Group, Xinqian Industrial Zone, Huangyan District,Zhejiang Province, China
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Email：Contact Us