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ZJ-5K-SB Single-Head Push HF Welding Machine
The ZJ-5K-SB is a high-performance 5kW single-head push-type high-frequency welding machine designed for precision industrial sealing. Operating at a stabilized 27.12MHz frequency, this pneumatic-driven system integrates advanced spark protection and high-sensitivity current monitoring to safeguard tooling and extend vacuum tube longevity. Ideal for diverse material sets, it requires configuration validation for specific regional voltages and material samples to ensure optimal production output and equipment reliability in demanding manufacturing environments.
Sample Display
Zhenjia Machinery provides sample proofing service, and offers complete production process guidance and customized production solutions. If you need to check processed samples and product details, please contact us for physical samples or high-definition sample pictures to intuitively experience the processing accuracy and product effect of our machine.
Our Certificate
Mold Supporting Service
This machine can be equipped with various specifications of molds, suitable for processing products of different sizes and types. All molds are made of high-quality wear-resistant materials. We can provide customized molds according to customer product specifications, and offer professional mold maintenance guidance to extend mold service life and ensure continuous production.
Packaging & Delivery
ZJ-5K-SB Single-Head Push HF Welding Machine
The ZJ-5K-SB Single-Head Push HF Welding Machine is a precision-engineered industrial solution designed for high-frequency plastic welding and sealing applications. Manufactured by Zhenjia Machine, this 5kW unit utilizes electromagnetic energy at a stabilized frequency of 27.12MHz to fuse compatible materials. The push-type configuration allows for efficient material handling and positioning, making it a versatile choice for manufacturers requiring consistent seal quality and high operational safety.
Technical Specifications & Electrical Configuration
The ZJ-5K-SB is built to meet rigorous industrial standards, focusing on electrical stability and mechanical durability. The following table outlines the primary technical parameters as recorded in the company product catalog.
| Specification | Recorded Value |
|---|---|
| Model Number | ZJ-5K-SB |
| Output Power | 5 kW |
| Operating Frequency | 27.12 MHz |
| Drive Type | Pneumatic (气动) |
| Power Supply | 380 V |
| Spark Protection System | Integrated (火花保护系统) |
| Current Protection | High-Sensitivity (高感度电流保护) |
| Vacuum Tube Life Extension | Included (延长电子管寿命) |
| Dimensions / Weight | Not specified |
| Certification Scope | Not specified; confirm with manufacturer |
Core Features and Protective Systems
The ZJ-5K-SB is equipped with several advanced electronic safeguards designed to protect both the operator and the machine’s internal components during high-intensity production cycles.
Advanced Spark Protection System
The integrated spark protection system (火花保护系统) is a critical feature for high-frequency welding. It monitors the electromagnetic field between the electrodes; if an imbalance or potential spark is detected, the system immediately suppresses the high-frequency output. This prevents damage to the expensive welding molds (tooling) and minimizes material wastage, ensuring a higher yield of finished products.
High-Sensitivity Current Protection
To safeguard the internal circuitry and the high-frequency oscillation components, the ZJ-5K-SB features high-sensitivity current protection (高感度电流保护). This system prevents overcurrent conditions that could lead to electrical failure, providing an additional layer of reliability for the 380V power supply architecture.
Vacuum Tube Longevity
The engineering of the ZJ-5K-SB includes specific measures to extend the service life of the vacuum tube (延长电子管寿命). By optimizing the electrical load and cooling requirements of the oscillator, the machine reduces the frequency of component replacement, thereby lowering the total cost of ownership for industrial users.
Material Compatibility and Application Engineering
While the ZJ-5K-SB is a robust 5kW platform, material compatibility is not fixed and must be validated against specific samples. High-frequency welding is typically effective for materials with a high dielectric loss factor, such as PVC, PU, and certain specialized films or cards. Compatibility should be confirmed with the actual shell, card, or film intended for production.
Before finalizing a quotation or purchase, Zhenjia Machine requires a comprehensive configuration check to ensure the machine is optimized for the intended application. This review includes:
- Detailed material analysis and sample drawing review.
- Assessment of tooling requirements and the necessary working envelope.
- Target output requirements and planned shift patterns.
- Verification of site-specific utilities, including voltage, frequency, and air supply.
Optimize Your Production Line: Ensure your equipment is perfectly matched to your material specifications and regional power standards. Request a Configuration Review →
Installation Guidelines for International Markets
For buyers in Southeast Asian markets, specifically Malaysia, Indonesia, and Vietnam, the ZJ-5K-SB requires careful site preparation. The recorded supply is 380V, but local variations in frequency and voltage stability must be addressed before shipment.
- Voltage Stability: Industrial power grids can fluctuate. It is recommended to confirm whether a dedicated voltage stabilizer is required to protect the 5kW HF generator.
- Environmental Controls: High-frequency equipment is sensitive to humidity and heat. Facilities should plan for adequate ventilation and moisture control around the electrical cabinet.
- Factory Grounding: Proper grounding is essential for both safety and machine performance. The factory earth must be verified by a qualified technician before commissioning.
- Pneumatic Supply: As a pneumatic-driven machine, the site must provide a stable air supply. Pressure and consumption rates should be cross-referenced with the installation data provided in the manual.
- Regional Certification: Buyers should verify the specific certification requirements for their country, such as SIRIM (Malaysia), SNI (Indonesia), or QCVN/TCVN (Vietnam).
Safety and Routine Maintenance
CRITICAL SAFETY NOTICE: High-frequency welding equipment operates with high voltage and pneumatic pressure. Before performing any maintenance, changing tooling, or clearing jams, operators must isolate the main power supply, follow lockout/tagout (LOTO) procedures, and bleed all residual pneumatic pressure. Only trained personnel should access the electrical cabinet or adjust the sealing head.
To maintain the ZJ-5K-SB in peak operating condition, the following routine maintenance schedule is recommended:
- Daily Pre-Shift Inspection: Verify the functionality of all emergency stop buttons and safety guard interlocks.
- Pneumatic System Check: Inspect all air lines, fittings, and cylinders for leaks or signs of wear.
- Electrode Maintenance: Keep the sealing head, platen, and electrodes clean and free of carbon buildup or material residue.
- Electrical Inspection: Periodically check electrical connections and follow the manufacturer’s schedule for filter replacement and lubrication of moving parts.
Selection FAQ
What is the primary use of the ZJ-5K-SB?
The ZJ-5K-SB is designed for single-head push-type high-frequency welding. It is used to seal or fuse materials through electromagnetic heating. Specific applications depend on the material and tooling, which must be validated with a sample.
What are the power requirements for this model?
The machine is rated at 5kW and requires a 380V power supply. It is essential to confirm the local frequency (50Hz/60Hz) and site voltage stability before installation.
How does the spark protection system work?
The spark protection system (火花保护系统) detects the onset of an electrical arc between the electrodes and cuts the high-frequency power instantly to prevent damage to the mold and the workpiece.
Is the output capacity fixed?
No, the production output depends on several variables, including the material type, the complexity of the tooling, and the results of the sample validation process.
Related Configurations
single-head push HF welding machine: selection and next steps
When comparing a single-head push HF welding machine, confirm the material, tooling, cycle time and site voltage before quotation. A single-head push HF welding machine should be matched to the actual product, output target and operator model, not only to the machine size.
Related machines
- ZJ-8K-10K-SB Single-Head Push HF Welding Machine
- ZJ-15K Automatic Sliding-Table Seat Cushion HF Welding Machine
- ZJ-15K-25K-SB Automatic Sliding-Table HF Welding Machine
Standards and references
For quality-management context, see NIST. For CE marking on machinery, see the European Commission CE marking guidance.
