{"id":30255,"date":"2023-10-18T10:39:23","date_gmt":"2023-10-18T08:39:23","guid":{"rendered":"https:\/\/sonimat.com\/?page_id=30255"},"modified":"2023-10-18T11:01:28","modified_gmt":"2023-10-18T09:01:28","slug":"ultrasonic-metal-welding","status":"publish","type":"page","link":"https:\/\/sonimat.com\/en\/metal-welding\/ultrasonic-metal-welding\/","title":{"rendered":"Ultrasonic metal welding"},"content":{"rendered":"

[vc_row][vc_column][vc_column_text]<\/p>\n

Ultrasonic metal welding \u2013 molecular seizure<\/span><\/h2>\n

The ultrasonic welding process is used to join many materials such as composites<\/a>, thermoplastics<\/a>, textiles<\/a> and also metals. It uses high frequency mechanical vibrations to generate heat by friction between the surfaces of the two parts to be welded.[\/vc_column_text][vc_empty_space height=”15px”][vc_row_inner content_placement=”top” gap=”35″][vc_column_inner width=”2\/3″][vc_column_text]<\/p>\n

How does ultrasonic metal welding work ?<\/h3>\n

Ultrasonic welding makes it possible to assemble metal components, particularly copper, aluminium<\/strong> and other non-ferrous metals<\/strong> (nickel, brass, etc.) that are difficult to weld using traditional methods.<\/p>\n

It ensures a true connection and mechanical strength combined with excellent electrical and thermal conductivity.<\/p>\n

Ultrasonic metal welding is a cold welding process<\/strong>, with very little heat generated outside the joint. This process is also non-destructive and non-invasive as it requires no filler materials or soldering flux.<\/p>\n

The parts are welded between the Sonotrode and the anvil<\/strong>. Both of these components are ridged. The anvil holds one workpiece while the Sonotrode sets the other workpiece in motion in order to create friction allowing assembly. (see diagram)<\/p>\n

This process, using friction, is also called molecular seizure<\/strong>.<\/span><\/p>\n

Drawing on our expertise and mastery of ultrasound developed over more than 30 years, SONIMAT has evolved solutions integrating this ultrasonic metal parts welding process.<\/p>\n

APPLICATIONS:<\/strong><\/span> The ultrasonic welding process is used in the assembly of electric batteries, electronic equipment, automotive components, etc.<\/strong>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n

But what is the ultrasonic energy ?<\/h3>\n

Ultrasonic mechanical vibrations have a frequency above the hearing range of the human ear (greater than 16 kHz). This is used in many applications, particularly in industry for cutting and welding<\/strong> processes of various materials (composite, textile, food, metal, plastic). Ultrasound, for cutting or welding a part, works with using an acoustic assembly.<\/p>\n

 <\/p>\n

The accoustic assembly<\/h3>\n

An ultrasonic acoustic assembly is a unit that uses high frequency sound waves. The operation of this acoustic assembly depends on several main components:<\/p>\n

    \n
  1. Ultrasound generator:<\/strong> This is an electrical energy converter that transforms electrical energy into high-frequency acoustic energy.<\/li>\n
  2. Piezoelectric converter<\/strong> (or transducer): It transforms high-frequency acoustic energy into mechanical vibrations of the same frequency. The energy is then mechanical.<\/li>\n
  3. Booster <\/strong>or amplitude modifier: This increases or reduces the amplitude produced by the converter.<\/li>\n
  4. Sonotrode<\/strong>: This is a metal part that transmits ultrasonic energy to the part to be welded.<\/li>\n<\/ol>\n

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    \"Ultrasonic<\/div>\n
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    Ultrasonic metal welding diagram<\/h3>\n\t\t\t<\/div>\n\t\t\t
    \n\t\t\t\"Ultrasonic\n\t\t\t<\/div>\n\t<\/div>\n\t<\/div>\n\t
    Close<\/div><\/div>\n<\/div>[vc_column_text]<\/p>\n

    Diagram of ultrasonic welding (molecular seizing) of metal parts<\/em><\/p>\n

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    Discover our ultrasonic welding machine !<\/strong><\/span><\/p>\n

    ✅ Excellent weld quality
    \n✅ Short welding time and without adding material
    \n✅ Operator safety[\/vc_column_text][vc_btn title=”Ultrasonic welding machine” style=”custom” custom_background=”#cd5b1b” custom_text=”#ffffff” size=”lg” align=”center”]\t\t<\/div>\t<\/a><\/div>[\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row bg_type=”bg_color” bg_override=”full” bg_color_value=”#f2f2f2″][vc_column][vc_empty_space height=”30px”][vc_column_text]🤔 <\/strong><\/span><\/span>In summary:<\/strong><\/span> The sound waves emitted by the generator are transmitted to the converter which transforms them into mechanical vibrations. These vibrations are then amplified by the booster and transmitted to the parts to be welded via the Sonotrode. The vibrations generated create heat by friction and melting of the surfaces to be welded.<\/span><\/p>\n

    [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=”64px”][vc_column_text]<\/p>\n

    Examples of products produced by ultrasonic welding<\/h2>\n

    [\/vc_column_text][vc_row_inner][vc_column_inner width=”1\/5″][vc_single_image image=”29790″ img_size=”medium” add_caption=”yes” alignment=”center”][\/vc_column_inner][vc_column_inner width=”1\/5″][vc_single_image image=”29787″ img_size=”medium” add_caption=”yes” alignment=”center”][\/vc_column_inner][vc_column_inner width=”1\/5″][vc_single_image image=”29793″ img_size=”medium” add_caption=”yes” alignment=”center”][\/vc_column_inner][vc_column_inner width=”1\/5″][vc_single_image image=”29796″ img_size=”medium” add_caption=”yes” alignment=”center”][\/vc_column_inner][vc_column_inner width=”1\/5″][vc_single_image image=”29784″ img_size=”medium” add_caption=”yes” alignment=”center”][\/vc_column_inner][\/vc_row_inner][vc_empty_space height=”64px”][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

    [vc_row][vc_column][vc_column_text] Ultrasonic metal welding \u2013 molecular seizure The ultrasonic welding process is used to join many materials such as composites, thermoplastics, textiles and also metals. 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