Foldable Crate Mould
Newest innovation for bottle crate mould design, excellent bottle crate mould structure for 4 inner angle lift, realize automatic ejection, mouldmax application for high speed injection.
In the beverage and packaging logistics industry, bottle crate mould is the core of producing high-quality plastic bottle crates, which are widely used for transporting beer bottles, cola bottles and various plastic bottles. As a professional high-tech plastic mould manufacturer, Sinomould focuses on innovating bottle crate mould technology, integrating advanced design and high-precision processing to provide efficient and reliable solutions for enterprises, helping improve production efficiency and reduce operational costs.
Standard Foldable Crate Mould Details
Below are examples of the most common parameters for foldable crate mold.
| Product Range | Typical sizes: 500x300x120mm and 400x300x160mm disposable foldable crates | Number of Cavities | 1 cavity |
|---|---|---|---|
| Mould Size | Fully non‑standard custom design (calculated based on maximum projected area and mould base size) | Machine Tonnage | 650T – 1800T (dynamically calculated according to volume and grid density) |
| Mould Main Material | DIN 1.2344 | Injection System | Valve-gated Hot Runner System (Multi-point gating, typically 4–6 points) |
| Ejection System | Ejector Pin + Ejector Block + Nitrogen Spring Assist | Cycle Time | 12 seconds |
| Mould Lifetime | 1-2 million shots | Delivery Time | 65-75 days |
| Mould Features | High-speed moulding (12s cycle)/Defect-free hinge areas/High-gloss & high-strength surface/ Mouldflow engineering |
Key Quality Points of Foldable Crate Moulds
1.Hinge Area Moulding Quality The living hinge is the functional core. Ensure complete melt fusion in the thin hinge area, no weld lines or cracks, and resistance to tens of thousands of flex cycles.
2.Flatness & Fit Precision of Side Walls Folded side walls must be flat and interlock tightly when unfolded. Cavity must ensure fit clearance between panels (typically <0.1mm) to prevent loosening.
3.Ejection Sequence & Mechanism Reliability Complex sliders, lifters, or forced ejection must operate in strict sequence to avoid damaging hinges or walls. Moving parts require hardening and wear plates.
4.Cooling System Uniformity Due to non-uniform wall thickness (very thin at hinge, thicker at corners), differential cooling is needed to prevent warpage and ensure dimensional stability in fast 12s cycles.
Machining Highlights for Foldable Crate Mould
1.High-Precision Machining of Hinge Area The radius and thickness of the living hinge directly affect flex life. Use high-speed milling or EDM finishing, surface roughness Ra≤0.2µm, no EDM white layer or tool marks.
2.Lapping of Slider/Lifter Fitting Surfaces Guide surfaces of all core-pulling parts for folding structures must be lapped for smooth motion. Forming surfaces must be flush with main cavity; mismatch <0.02mm.
Mould Flow Analysis for Foldable Crate Mould
