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Welcome to Qingdao Yongke Machinery Co., Ltd. – a trusted manufacturer with over a decade of experience in plastic machinery. Our Semi-Automatic HDPE Spiral Tank Machine 7.5kW Servo Motor for Precision Coiling is engineered to deliver accurate, efficient, and reliable production of HDPE spiral tanks. With a factory spanning 10,000–30,000 square meters and a dedicated team of 51–100 employees, we combine advanced manufacturing techniques with rigorous quality control. This machine is ideal for producing high-quality water tanks, chemical storage tanks, and other cylindrical containers, offering a perfect balance between automation and flexibility.
The 7.5kW servo motor ensures precise coiling control, reducing material waste and improving product consistency. Whether you need tanks for agricultural, industrial, or residential use, this machine delivers repeatable accuracy and smooth surface finish. Its semi-automatic design simplifies operation while still allowing manual adjustments for complex requirements. Below we detail the key features, technical specifications, and benefits that make this machine a valuable investment for your production line.
Key Features & Technical Specifications
- High-Precision Servo Drive System: 7.5kW servo motor with encoder feedback ensures ±1mm coiling accuracy, critical for leak-proof tank seams.
- Semi-Automatic Operation: PLC-based control with manual override – easy to train operators and quickly adjust parameters for different tank sizes.
- Heavy-Duty Structure: Steel frame with vibration damping supports long production runs without deformation.
- Quick Mold Change: Tool-less mold locking system reduces downtime between tank diameter changes (diameter range 300mm–3000mm, customizable).
- Energy Efficiency: Servo motor consumes up to 30% less energy than traditional hydraulic systems at similar output.
- Safety Features: Emergency stop, overload protection, and safety guards comply with OHSAS18001 standards.
- Low Maintenance: Grease-free linear guides and sealed bearings reduce lubrication needs.
| Parameter | Value |
|---|---|
| Machine Model | YK-HDPE-SM7.5 |
| Motor Power | 7.5 kW (servo motor) |
| Coiling Thickness | 3–20 mm (HDPE) |
| Tank Diameter Range | 300–3000 mm (customizable) |
| Max. Tank Height | 6000 mm (single piece) |
| Coiling Speed | 0.5–5 m/min (adjustable) |
| Control System | PLC + Touch Screen (optional) |
| Power Supply | 380V/50Hz (3-phase) or customized |
Why Choose Our Semi-Automatic Spiral Tank Machine?
The precision coiling capability of the 7.5kW servo motor directly translates to stronger tank seams and reduced material waste. Unlike conventional winding machines that rely on manual skill, our system automatically adjusts tension and speed to maintain uniform wall thickness. For end-users, this means tanks that can withstand higher internal pressures and have a longer service life. The semi-automatic mode also allows experienced operators to fine-tune parameters for complex shapes or special additives (e.g., UV stabilizers).
Key benefits for your business:
- Higher Productivity: Achieve up to 2–3 tanks per hour (depending on size) without sacrificing quality.
- Reduced Labor Cost: One operator can manage two machines after basic training – semi-automatic design minimizes manual intervention.
- Versatility: Produce tanks with plain or flanged ends, with optional additive feeders for UV resistance or color masterbatch.
- Consistent Output: All units come with pre-calibrated parameters for common tank dimensions – ensure repeatability lot after lot.
- Easy Integration: Compact footprint (approx. 4m x 2m) fits most workshop layouts; can be linked to upstream extruders or downstream cutting stations.
Trust & Reliability – Backed by Qingdao Yongke Machinery
Since 2010, Qingdao Yongke Machinery has been dedicated to manufacturing high-quality plastic processing equipment. Our factory, certified under ISO9001, ISO14000, and OHSAS18001, follows strict quality management and environmental standards. With an annual export value exceeding US$1 million, we serve clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and more. Every machine undergoes a 72-hour continuous test run before shipment to ensure flawless performance.
We understand that a tank machine is a long-term investment. That’s why we offer comprehensive after-sales support: remote technical assistance, spare parts supply (within 48 hours for common parts), and optional on-site training. Our machines are shipped from Qingdao Port, with professional crating and door-to-door logistics options available.
Ready to upgrade your production? Contact us today for a tailored quotation or to arrange a factory visit. Our team will help you select the optimal configuration for your specific tank dimensions and output requirements. With Qingdao Yongke, you get precision, durability, and local support – all in one package.
Frequently Asked Questions (FAQ)
1. What materials can this machine process besides HDPE?
The machine is optimized for HDPE (high-density polyethylene). Other thermoplastic materials like PP or PPR can be processed with minor adjustments to heating and coiling parameters. Please consult our technical team for specific material recommendations.
2. Is the machine fully automatic or manual?
It is semi-automatic, meaning the coiling process is controlled by the PLC and servo system, but manual intervention is needed for loading the mold, removing finished tanks, and adjusting settings when changing tank sizes. This design offers flexibility while maintaining high precision.
3. What is the minimum tank diameter I can produce?
The standard lower limit is 300mm. Smaller diameters (down to 200mm) may be possible with a custom mold. Contact us to discuss your specific needs.
4. Does the machine come with a mold (mandrel)?
The machine is supplied with one standard mold matching your primary tank size. Additional molds are available as optional accessories. We can also design custom molds for non-standard dimensions.
5. How much floor space is required?
The machine footprint is approximately 4m (length) x 2m (width) x 2.5m (height). Additional space is needed for material feeding and finished tank storage – roughly 30–40 square meters total is recommended.
6. What is the power consumption per hour?
With the 7.5kW servo motor running at typical load, average power consumption is around 5–6 kWh (excluding auxiliary heaters). Actual consumption depends on tank thickness and production speed.
7. Can I connect this machine to an existing extruder line?
Yes, it can be integrated as a downstream coiling station. We provide interface options for common extruder outputs. Please provide your extruder specifications when ordering so we can ensure compatibility.
8. What after-sales support is provided?
We offer free remote troubleshooting via video call, a one-year warranty on mechanical parts (with extended warranty available), and a stock of commonly replaced components. For international clients, we also assist with installation guidance through detailed manuals and online support.
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