Find HS Code and trade information for ultrasonic cleaning machine

Ultrasonic Cleaning Machine

An ultrasonic cleaning machine is a device that uses ultrasonic waves to clean items, typically delicate or intricately shaped objects, by cavitation.

Material

The tanks of ultrasonic cleaning machines are commonly constructed from stainless steel (grades 304 or 316 are prevalent due to corrosion resistance). Transducers, which generate the ultrasonic waves, can be made of piezoelectric crystals (often lead zirconate titanate - PZT). Some models incorporate plastic or ceramic components for specific functions or cost reduction. The items being cleaned can be made of a wide variety of materials, including metals, plastics, glass, ceramics, and polymers, although compatibility must be verified (see Usage Considerations).

Purpose

The primary purpose is thorough cleaning of objects that are difficult to clean manually. This includes removing contaminants such as dirt, dust, oil, grease, rust, polishing compounds, carbon deposits, and other particulate matter. They are used for both general cleaning and specialized applications requiring a high degree of cleanliness.

Function

The machine operates by generating high-frequency sound waves (typically 20 kHz to 40 kHz) in a liquid, usually water, often with detergents or solvents added. These waves create millions of microscopic bubbles that rapidly form and collapse (a process called cavitation). The implosion of these bubbles generates intense localized energy, dislodging contaminants from surfaces. The liquid also provides a mechanical scrubbing action, enhancing the cleaning process. Heaters are often included to increase the cleaning efficiency by lowering surface tension and accelerating chemical reactions. Some machines also include timers, adjustable power settings, and digital displays.

Usage Scenarios

• Industrial Cleaning: Metal parts degreasing, surface preparation for painting or coating, cleaning of precision components, mold cleaning.
• Automotive Repair: Cleaning carburetors, fuel injectors, valves, and other engine parts.
• Jewelry Cleaning: Removing dirt, grime, and polishing compounds from jewelry items.
• Medical and Dental: Cleaning surgical instruments, dental tools, and implants.
• Electronics: Cleaning printed circuit boards (PCBs), removing flux residue, and preparing components for assembly.
• Laboratory: Cleaning glassware, test tubes, and other laboratory equipment.
• Gun Cleaning: Removing fouling and residue from firearms.
• Optical: Cleaning lenses, prisms, and other optical components.

Common Types

• Benchtop Ultrasonic Cleaners: Small, portable units designed for smaller items and lower-volume cleaning. Typically have a tank capacity of 1 to 10 liters.
• Industrial Ultrasonic Cleaners: Larger, more robust units designed for heavy-duty cleaning and higher-volume applications. Tank capacities can range from 20 liters to several hundred liters.
• Submerged Ultrasonic Cleaners: The entire part is submerged in the cleaning liquid.
• Dip Tank Ultrasonic Cleaners: Parts are dipped into the cleaning liquid.
• Multi-Frequency Ultrasonic Cleaners: Allow the user to select different frequencies for optimal cleaning of various materials and contaminants.
• Automated Ultrasonic Cleaners: Feature automated lifting, lowering, and rinsing functions.
• Heated Ultrasonic Cleaners: Include a heater to warm the cleaning solution, improving cleaning performance.

Usage Considerations

• Material Compatibility: Ensure the cleaning liquid and ultrasonic waves are compatible with the material being cleaned. Some materials (e.g., certain plastics, soft metals) may be damaged by ultrasonic cleaning.
• Cleaning Liquid Selection: Choose a cleaning liquid appropriate for the type of contaminant being removed. Water with detergent is common, but solvents or specialized cleaning solutions may be required for certain applications.
• Frequency Selection: Higher frequencies are generally more effective for smaller particles and delicate surfaces, while lower frequencies are more effective for larger particles and heavier contaminants.
• Cleaning Time and Temperature: Optimize cleaning time and temperature to achieve the desired level of cleanliness without damaging the item being cleaned.
• Safety Precautions: Wear appropriate personal protective equipment (e.g., gloves, eye protection) when handling cleaning liquids and operating the machine. Avoid contact with the ultrasonic waves, as they can cause discomfort or injury.
• Maintenance: Regularly inspect and clean the machine to ensure optimal performance and longevity. Replace the cleaning liquid as needed.

Ultrasonic cleaning machines are devices utilizing ultrasonic waves to clean items, typically used for removing contaminants from various materials. They find applications in industries requiring high precision cleaning, such as manufacturing, automotive, and medical fields.

The following HS codes from the provided reference material may be relevant:

• 8451100000: This code covers machinery (other than machines of heading 8450) for washing, cleaning, wringing, drying, ironing, pressing (including fusing presses), bleaching, dyeing, dressing, finishing, coating or impregnating textile yarns, fabrics or made up textile articles and machines for applying the paste to the base fabric or other support used in the manufacture of floor coverings such as linoleum; machines for reeling, unreeling, folding, cutting or pinking textile fabrics; parts thereof. Specifically, it includes dry-cleaning machines. While not explicitly stated, ultrasonic cleaning machines fall under the broader category of 'washing, cleaning' machinery.

  • Chapter 84: Machinery and mechanical appliances; parts thereof.
  • Heading 8451: Machinery (other than machines of heading 8450) for washing, cleaning, wringing, drying, ironing, pressing (including fusing presses), bleaching, dyeing, dressing, finishing, coating or impregnating.
  • Subheading 8451100000: Covers a broad range of cleaning machinery, including dry-cleaning machines. The tariff is a base rate of 0.0%, a surcharge of 25.0%, and a surcharge of 30.0% after April 2, 2025, resulting in a total tariff of 55.0%.

• 8451400000: This code also covers machinery (other than machines of heading 8450) for washing, cleaning, wringing, drying, ironing, pressing (including fusing presses), bleaching, dyeing, dressing, finishing, coating or impregnating textile yarns, fabrics or made up textile articles and machines for applying the paste to the base fabric or other support used in the manufacture of floor coverings such as linoleum; machines for reeling, unreeling, folding, cutting or pinking textile fabrics; parts thereof, specifically washing, bleaching or dyeing machines. Ultrasonic cleaning machines are included in the broader category of 'washing, cleaning' machinery.

  • Chapter 84: Machinery and mechanical appliances; parts thereof.
  • Heading 8451: Machinery (other than machines of heading 8450) for washing, cleaning, wringing, drying, ironing, pressing (including fusing presses), bleaching, dyeing, dressing, finishing, coating or impregnating.
  • Subheading 8451400000: Specifically covers washing, bleaching, or dyeing machines. The tariff is a base rate of 3.5%, a surcharge of 25.0%, and a surcharge of 30.0% after April 2, 2025, resulting in a total tariff of 58.5%.

According to the provided reference material, the HS code options related to 'ultrasonic cleaning machine' are limited, with only the following 2 found.