Product Overview
Plastic Pail Bucket Handle 20 Liter Paint Injection Molding Machine is a heavy-duty injection molding system engineered for manufacturing 10–25L industrial pails, paint buckets, and structural plastic handles from PP and HDPE materials.
Engineering Features
Stable Rim Geometry for Sealing Applications
Heavy-duty platen structure minimizes deformation under sustained clamping loads. Parallelism is maintained within ≤0.05 mm to reduce flash formation and support consistent sealing surfaces for paint and chemical pails.
Controlled Cooling for Faster Cycle Stability
Balanced mold cooling channels accelerate heat extraction across deep bucket profiles and reduce localized shrinkage, helping maintain stable cycle performance for large-volume containers.
Closed-Loop Injection for Structural Consistency
Multi-stage pressure and holding control stabilizes melt packing at bucket base ribs and handle connection zones where stress concentration typically occurs.
Production Flexibility for Bucket and Handle Manufacturing
Supports:
- Dedicated bucket molds
- Dedicated handle molds
- Family mold production (bucket + handle)
Production configuration can be selected based on output targets and downstream assembly requirements.
Optimized for Recycled Material Processing
Optional bimetallic screw and wear-resistant barrel configuration supports recycled HDPE and regrind materials while maintaining stable plasticizing performance and reducing abrasive wear.
Manufacturing Validation
Each machine completes:
- 48-hour continuous dry-cycle verification
- 100-shot mold validation test before dispatch
- Injection repeatability inspection
- Hydraulic leakage inspection
- Electrical safety verification
Factory Acceptance Test (FAT) records available upon request.
Automation & Line Integration
Compatible with:
- Robot take-out systems
- In-Mold Labeling (IML)
- Automatic handle assembly machines
- Leak testing stations
- Conveying and stacking systems
Suitable for complete turnkey 20L pail production lines.
Customization Options
|
Configuration |
Available Options |
|
Drive System |
Standard Hydraulic / Servo |
|
Electrical Standard |
220V / 380V / 415V / 460V |
|
Frequency |
50Hz / 60Hz |
|
Mold Supply |
Included / Customer Provided |
|
Automation |
Robot / IML / Stacking |
Packaging & Delivery
Export anti-corrosion protection
Container loading support
Wooden secured packaging
Standard lead time: 30–45 working days
Turnkey line delivery: 60–75 working days
FAQ
Q: What tonnage is recommended for 20L bucket production?
A: Typical configuration ranges from 480–750 tons depending on bucket geometry, cavity quantity, and projected mold area.
Q: How is flash controlled on large bucket rims?
A: Machine platen rigidity and pressure holding stability reduce mold separation and maintain sealing edge consistency.
Q: Can recycled HDPE be processed?
A: Yes. Optional wear-resistant screw and filtration configurations support recycled materials and blended formulations.
Q: What determines the actual cycle time?
A: Cooling efficiency, wall thickness, resin type, mold venting, and ejection design all influence final cycle performance.
Q: Can bucket bodies and handles be produced on one machine?
A: Yes. Family molds can support synchronized production depending on output requirements.
Q: Is automation supported?
A: Yes. Standard interfaces allow integration with robots, conveyors, assembly units, and IML systems.
Q: How is dimensional consistency controlled?
A: Closed-loop injection control combined with pressure profiling maintains repeatable cavity filling and stable part weight.
Q: What mold materials are recommended?
A: P20, 1.2738, and H13 steel are commonly selected depending on output volume and resin abrasiveness.
Q: Is overseas installation available?
A: Remote FAT verification and commissioning support are available, with onsite service options depending on region.
Q: Can complete production lines be supplied?
A: Yes. Turnkey solutions including machine, mold, automation, testing, and downstream handling equipment are available.
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