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On-site repair, operator training, spare parts supply (e.g., electronic tubes, capacitors).
high-frequency welding machines
A: High frequency welding machines utilize high frequency electromagnetic fields (typically 27.12MHz or 40.68MHz) to generate frictional heat in the molecules of polar materials such as PVC and TPU, and then fuse them under pressure. It is suitable for sealing, welding or embossing, without the need for glue or stitching, achieving high-strength bonding.
A: High frequency welding machines are specially designed for thermoplastic materials such as PVC, PU, TPET, and EVA, and can also handle coated fabrics and inflatable products. If you have any special material requirements, please provide samples and we will test the compatibility for you.
A: Yes. Our machines have passed CE and ISO certifications, hold 23 patents, and comply with FCC electromagnetic interference limits, ensuring safe use in regions such as the European Union and North America. Each device comes with a compliance certificate.
A: Our normal high frequency welding machine’s electrical voltage is 380V 50hz. If the power supply voltage in your country is different from ours, you can customize the voltage from our factory. For instance, the voltages of different countries such as the United States using three-phase 480V 60hz and Mexico using three-phase 220V 60hz can all be customized.
A: Sure. Our factory has its own high frequency mold production department, providing customized molds made of aluminum alloy or copper. Please provide the product design drawing or sample, and we will design and manufacture the matching high frequency mold for you.
A: We offer: 12-month warranty for high frequency welding machines (non-human damage)
Technical support for high frequency welding machines within 24 hours via email, WhatsApp or Wechat.
We offer long-term free video after-sales service and troubleshooting guides.
A: All standard high frequency welding machines are in stock, and the time for special machines will be determined based on complex situations. We usually package in wooden cases and ship by sea (EXW/FOB/CIF/DDP terms are available), and we can also arrange for express air freight.
A: Our high frequency welding machine press TPU requires high frequency molds. You can contact us for production and purchase high frequency welding machines from our factory. Our factory will provide free technical support such as how to press TPU and the pressing steps.
A: There are several reasons for the high frequency welding machine to be ignited: 1. The high frequency current is set too high. 2. The mold is not level. 3. The material is conductive or dirty. 4. The machine is not equipped with a high-sensitivity fireproof device. 5. No insulating material was padded.
Solutions: 1. Lower the high frequency. 2. Level the mold or make a new mold. 3. Replace materials and maintain their cleanliness. 4. Install a high-sensitivity fireproof device on the machine. 5. Place insulating materials on the high frequency welding machine pad.
If the above does not solve your problems, you can send an email to Linna@fszhenjia.com for consultation.
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after-sales support
A: We offer 12 months warranty, on-site installation & training, and lifetime technical support. Our service network covers major industrial regions across China.
A: For customers in China, our local service partners provide door-to-door repair within 48–72 hours (depending on location). Overseas, we guide remote troubleshooting or dispatch engineers for critical cases.
A: Yes. We provide free on-site training covering machine operation, mold adjustment, basic maintenance, and safety procedures for your production team.
A: Spare parts can be ordered directly through our sales offices or online portal. We keep common parts in stock and ensure fast delivery via express couriers.
A: Yes. Our mold workshop offers mold refurbishment, surface polishing, and design modifications to extend tooling life and adapt to product changes.
A: We provide emergency support via WhatsApp/WeChat for urgent issues. Standard technical inquiries are replied within 24 hours.
Yes. Each machine comes with a detailed English manual, circuit diagrams, and video tutorials for daily checks and troubleshooting.
A: Custom molds carry a 6-month warranty against manufacturing defects. Proper use and maintenance guidelines will be provided to ensure longevity.
A: Yes. We offer retrofit services such as PLC upgrades, new oscillator installation, and safety enhancements to extend your equipment’s service life.
A: Contact your nearest service office to arrange annual or bi-annual maintenance visits. We also offer remote monitoring guidance to help you track machine health.