Fruit Crate Injection Molding Machine

High-Output Injection Molding for Plastic Fruit and Vegetable Crates
ARLEX Fruit Crate Injection Molding Machines are engineered specifically for high-volume manufacturers of agricultural crates, produce baskets, logistics totes, and stackable storage containers.

Molding large, ventilated containers presents unique mechanical challenges: complex rib structures create high melt resistance, deep cavity draws demand long ejector strokes, and heavy resin charges require high-torque plasticizing. ARLEX solves these challenges by combining heavy-duty hydraulic clamping, high-flow injection units, and specialized anti-wear screw designs tailored for virgin and 100% recycled PP/HDPE resins.

With clamping forces ranging from 150T to 1500T and shot capacities up to 8500g, ARLEX provides fully configured molding cells optimized for short cycle times, precise flash control, and lower cost-per-crate production.

Crate-Specific Machine Architecture

1. High-Torque, Anti-Wear Plasticizing System
Recycled Resin Compatibility: Standard nitrided or optional bimetallic screws featuring specialized mixing heads to homogenize melt temperatures when processing regrind or variable-MFI recycled PP/HDPE.
Rapid Recovery Rates: High-displacement hydraulic motors ensure the screw refills completely during the cooling phase, eliminating plasticizing delays in fast-cycle operations.

2. Reinforced Clamping & Extra-Large Tie-Bar Clearance
Deep-Cavity Platen Design: Extended tie-bar spacing and wide platen dimensions accommodate multi-cavity or tall crate molds without interference.
High-Tonnage Ejection Force: Upgraded ejector cylinders supply up to 30% higher hydraulic force and extended strokes, preventing part deformation or sticking during grid-pattern crate ejection.
Low-Pressure Mold Protection: Ultra-sensitive mold safety monitoring stops platen movement instantly if an unejected crate or foreign object remains in the mold.

3. Fast-Response Servo-Hydraulic System
Demand-Driven Energy Savings: High-response AC servo drives regulate hydraulic oil flow instantaneously, reducing energy consumption by 30% to 65% compared to fixed-displacement pumps.
Low Oil Temperature Operation: Decreased thermal load on hydraulic oil prolongs seal life, maintains stable oil viscosity, and reduces factory chiller demand.

Core Component Transparency

Subsystem	Brand / Specification	Engineering Advantage
Control System	Techmation / Gefran High-Performance PLC	Multi-language HMI, 200+ mold memory profiles, and EUROMAP 12/68 automation interface
Hydraulic Valves	Rexroth (Germany) / Yuken (Japan)	High-flow proportional control for fast, controlled and low-shock platen movement
Electrical Devices	Schneider Electric (France)	Heat-resistant relays, circuit breakers and overload protection for stable electrical operation
Main Bearings	NSK (Japan)	Heavy-load bearing design for continuous clamp movement and long-duty operation
Hydraulic Seals	Hallite / NOK	High-pressure sealing performance with resistance to wear during continuous hydraulic operation
Pump System	Sumitomo / Eckerle High-Pressure Gear Pump	Low-noise operation and stable hydraulic pressure delivery under demanding injection loads

Technical Specifications

Parameter	Specification
Clamping Force	150–1,500 Ton
Shot Weight (PS)	500–8,500 g
Platen Dimensions	Customized according to the required crate footprint and mold dimensions
Compatible Resins	Virgin PP, Recycled PP, HDPE, PE, ABS
Hydraulic Drive	Electro-Hydraulic Servo Drive System
Mold Opening Stroke	Extended-stroke configuration available for taller crate molds
Ejection System	Multi-point hydraulic ejector pin system with adjustable ejection speed
Certifications	CE Marking, ISO 9001:2015

408T Fruit Crate Plastic Injection Moulding Machine

Optimized for Popular Container Types

Agricultural Fruit & Vegetable Crates: Mesh/ventilated crates for apples, citrus, tomatoes, and grapes.

Heavy-Duty Logistics Totes: Solid-wall stackable containers for cold-chain transport and warehouse storage.

Nestable Produce Baskets: Deep-draw collapsible or tapered folding crates.

Seafood & Poultry Trays: Impact-resistant, low-temperature resistant HDPE trays.

Full Factory Cell Integration & Turnkey Automation

To reduce manual labor and prevent crate damage upon ejection, ARLEX configures complete automated production cells:

Top-Entry Servo Robots

3-axis servo robots equipped with vacuum grippers or mechanical clamps for rapid crate retrieval and conveyor placement.

Granulators & Regrind Mixers

In-line crushing systems to re-grind runners and defective crates directly back into the hopper loader.

Auxiliary Equipment

Dehumidifying dryers, chillers, mold temperature controllers, and automated hot-runner controllers.

Quality Assurance & Pre-Shipment Inspection

24-Hour Dry Run Test

Continuous high-speed toggle clamping cycling to verify mechanical stability.

Hydraulic Pressure & Leak Test

Full-system pressure test at max capacity to confirm zero valve bypass or line leaks.

Injection Precision Check

Shot-to-shot weight deviation verification (<0.3% variance).

Safety Interlock Audit

Physical door switches, electrical interlocks, and hydraulic safety valves thoroughly tested.

Customer Mold Trial (Optional)

Running your actual crate mold in our factory to verify cycle time and part quality before delivery.

Engineering Inquiry: Get a Custom Machine Proposal

To receive an accurate machine recommendation and quotation, please share your project parameters below. Our engineering team will match the ideal clamping force, injection unit capacity, and automation package within 24 hours.

Required Application Details:
1. Crate Dimensions: Length x Width x Height (mm)
2. Crate Weight: Weight in grams (excluding runner)
3. Target Material: Virgin PP, Recycled HDPE, Regrind blend percentage
4. Mold Specifications: Number of cavities, runner type (Cold Runner vs Hot Runner)
5. Mold Dimensions: Length x Width x Height (mm) & Total Weight (kg)
6. Target Daily Output: Required crates per 24 hours
7. Factory Voltage: Local power supply (e.g., 380V/50Hz/3Phase, 440V/60Hz)

568T Fruit Crate Plastic Injection Moulding Machine suppliers

FAQ

Q: What clamping force is typically required for a standard 1.5kg fruit crate?

A: Most standard 1.5kg PP fruit crates (approx. 500x300x300mm) require a clamping force between 450 Tons and 650 Tons, depending on the wall thickness, gate design, and projected area. Submitting your CAD drawing allows us to calculate the exact required tonnage.

Q: How does the machine perform when using 100% recycled PP or regrind materials?

A: When processing recycled resins, melt flow index (MFI) can fluctuate and contaminants can cause screw wear. ARLEX equips machines running recycled feedstock with bimetallic flighted screws, ceramic heater bands, and specialized nozzle filters to ensure smooth plasticizing and extended barrel life.

Q: Why is ejection force so critical for plastic crate molding?

A: Fruit crates feature dense cooling ribs and deep sidewalls that contract tightly onto core mold inserts during cooling. Standard ejectors may bend or punch through the plastic. ARLEX fruit crate machines feature reinforced hydraulic ejector cylinders with adjustable multi-stage speed and pressure controls to push parts off cleanly.

Q: What technical support is available during international installation?

A: ARLEX provides complete foundation drawings, electrical diagrams, and operational video guides. Overseas field engineers can be dispatched to your factory for machine positioning, leveling, mold installation, parameter tuning, and operator training.

Q: Can one machine handle multiple sizes of fruit crates?

A: Yes, as long as the largest mold fits within the machine tie-bar clearance, maximum daylight, and shot weight capacity. Smaller molds can easily be run on the same platform by calling up stored mold recipes from the PLC interface.

Ningbo Yalishi(Arlex) Plastic Machinery Co., Ltd. is one of the most reliable fruit crate injection molding machine 1 manufacturers and suppliers in China, featured by quality products and low price. Please rest assured to wholesale cheap fruit crate injection molding machine 1 made in China here from our factory. Customized orders are welcome.