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The welding principle of ultrasonic spot welder is to convert 50/60 Hz current into 15, 20, 30 or 40 kHz electric energy through an ultrasonic generator. The converted high-frequency electric energy is again converted into mechanical motion of the same frequency through the transducer, and then the mechanical motion is transmitted to the welding head through a set of amplitude modulator devices that can change the amplitude. The welding head transfers the received vibration energy to the joint of the workpiece to be welded. In this area, the vibration energy is converted into heat energy by friction to melt the plastic. The short pressure maintained on the workpiece after the vibration stops causes the two weldments to solidify into one body in a molecular link. Generally, the welding time is less than 1 second, and the obtained welding strength is comparable to that of the main body. Ultrasound can be used not only to weld hard thermoplastics, but also to process fabrics and films. The main components of an ultrasonic welding system include ultrasonic generator, transducer/amplitude modulator/welding head triple group, mold and frame.
Ultrasonic spot welding machine can be used for butt welding of thermoplastics. It can also be used to replace welding heads according to customer needs. It can be used for riveting, spot welding, embedding, cutting and other processing processes. Compared with other traditional processes (such as gluing, electric ironing or screw Fastening, etc.), has significant advantages such as high production efficiency, good welding quality, environmental protection and energy saving. Ultrasonic spot welding machine adopts imported piezoelectric ceramic vibration crystal, which has high efficiency and long life; original normal temperature cycle self-cooling ultrasonic generator, the lowest failure rate in the industry; aluminum alloy casting overall frame to ensure the rigidity of the machine body; gear rack lifting Mechanism, easy operation, precise positioning; both automatic and manual operation modes, convenient for debugging; optional cabinet workbench designed according to ergonomic principles; with automatic counter, and reserved foot switch interface. Ultrasonic spot welding machine is mainly used for the positioning and bearing of the workpiece. The metal tooling or resin casting tooling with imitation engraving and polishing has the function of protecting the surface of the workpiece from scratches. In addition, the tooling can be made into automatic tooling and welding machine linkage. , To improve the operating mode or increase production efficiency. Ultrasonic spot welding machine can also be used for welding, riveting, spot welding of thermoplastic products, as well as the inlay and edge pressing process between metal and plastic parts. It eliminates the backward process of pasting with chemical organic melting point agents and has low energy consumption. , High efficiency, no deformation, no pollution, firm welding, convenient operation, etc. The product adopts advanced circuit, program control, pneumatic transmission, automatic overcurrent protection, and safe operation protection circuit. The circuit adopts a circuit board plug-in structure, which is convenient for maintenance and replacement. A new 15KHz ultrasonic plastic welding machine with an electronic delay welding device is also designed. Welding softer PE and PP materials, as well as plastic weldments with extra large diameters and long lengths, have their unique advantages, which can meet the needs of various products and contribute to the improvement of production efficiency and product quality for users.
Ultrasonic spot welding machine: suitable for a wide range of applications, such as: car consoles, car door panels, car interiors, car interior sound insulation cotton, car interior sound insulation panels, car bumpers, car glove boxes, non-woven fabrics, pp plastic Plates, PP plastic film, PET plastic film, advertising cloth, chicken farm conveyor belts, various conveyor belts, sound-proof blankets, and clothing applications such as: mask belts, clothing elastic bands, underwear belts, medical equipment products, etc.
| Type | Power(W) | Frequency (KHz) |
| PLS-DHJ-300 | 300W | 15KHz/20khz/28khz/40khz |
| PLS-DHJ-500 | 500W | 15KHz/20khz/28khz/40khz |
| PLS-DHJ-800 | 800W | 15KHz/20khz/28khz/40khz |
| PLS-DHJ-900 | 900W | 15KHz/20khz |
| PLS-DHJ-1000 | 1000W | 15KHz/20khz |






1,
Q: How to ship your products to us?
A: You are always advised the customers to choose FedEx DHL UPS TNT if your order is not so large; if your order is large, by air or by sea maybe can save a lot of shipping cost. And the shipping cost depending on the total weight of your order.
2,
Q: How about the quality?
A: In order to get a reliable quality products, please tell and list all your product quality requirements and standard your
market requested before we produce the samples for you. Usually the sample quality is agreed by both of us. So-me items have CE, FCC and RoHs Approval, but not all. Tell us if you need a special approval in your market. We prefer to supply a reliable quality products to our customers and do not compete by a lower price immolating the quality.
3.
Q: How to place an order?
A: Please send us your purchase order by email or fax. Or you can ask us to send you a Proforma invoice for your order.
We need to know the following information for your order:
A. Shipping information-company name, street address, phone number, fax number, destination airport or sea port, transportation method (by courier, by air or by ocean container)
B, Product information-model numbers, quantity, unit price
C. Delivery time required
D. Freight payment (by collect or prepay)
E. Forwarder’s contact details if there’s any in China or Hong Kong.
4.
Q: What’s your usual payment term for orders?
A: We accept terms of Bank, T/T, West union payment or Paypal.
5.
Q: How about the delivery time?
A: Usually 7-14days for a trial order or small order.
25-30days for a large order or container order. We will specify a delivery time before you order. If we meet difficulties during production and could not ship to them in time, we will inform you in advance and tell you the causes.
6.
Q: What’s the warranty of your products and how about the after-sale service?
A: From 6 months to 2 years, depending on the products.We will tell you a specific warranty when you order from us.The warranty period is valid from shipment date or B/L date. Tell us by e-mail or telephone or fax in time any questions or
difficulties for help if you sale.
7.
Q: Do you accept OEM and print our logo or company name on these package box we order from you?
A: Yes, OEM and ODM is welcome. But sometimes we will set a MOQ for OEM order.
8,
Q: May I only buy a few pieces of your products or several samples to test?
A: Yes, you are also welcome! Usually we do not limit a MOQ for testing, just decide the QTY by yourself and your sales.
9,
Q: How much the courier freight will be for the samples?
A: Courier freight depends on the quantity, weight and carton size and your area., please call your local DHL, Fedex, UPS or TNT and ask a price.If you buy some samples, usually we will offer you a CIF price.
10.
Q: How can I get your price list and Catalogues?
A: Please E-mail us or fax us your contact information (your name, email address, company name and website).
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