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How to select a cost-effective ultrasonic cleaning machine?

Date: 2022-11-19Number: 469

Many instruments in the laboratory must be kept clean and dry in order to ensure the accuracy of the measurement value and ensure the instrument life. To this day, researchers in the lab have to“Brush the instrument” every time they finish the work, but now the vast majority of the cleaning work can be overcome by ultrasonic cleaning machine.

Use ultrasonic cleaning machine cleaning products, cleaning faster, cleaning effect is obvious, do not need to touch the cleaning fluid, can trust, but also save organic solvents, site and labor. It is widely used in electronic components, magnetic materials, hardware tools, glass containers and other products. Furthermore, the ultrasonic cleaning machine can also be used for extracting, emulsifying, degassing, even and crushing cells in the laboratory. It can be said that laboratories without ultrasonic cleaning machines are imperfect. How to select a cost-effective ultrasonic cleaning machine? 

ultrasonic cleaning machine

1. What should I clean? Van Ying ultrasound procurement Butler has repeatedly stressed that the purchase of laboratory equipment, the most important is to understand the value of demand. The same is true for the purchase of ultrasonic cleaning machines. Before you buy an ultrasonic cleaner, consider these questions first:

(1) the size, material and quantity of the cleaning material

What materials are used for the product parts to be cleaned? What is its shape, structure and size? How many pieces must be cleaned at a time?

(2) what are the dirty spots that must be washed

What dirt should be removed from the parts of the product? Is it dust, grease, or stamping, stretching grease, polishing wax, carbon deposits?

(3) what is the appropriate ultrasonic frequency for cleaning?

If is the large-scale product work piece and the precision request is relatively low, may consider the low frequency ultrasonic. High-frequency ultrasound, or even megahertz ultrasound, is the preferred choice for electronic component or circuit boards, which require precision and fear damage.

(4) what is the cleaning time?

If only the occasional short-term product parts of the ultrasonic cleaning, can buy a slightly cheaper small ultrasonic cleaning machine. If the frequency of use of ultrasonic cleaning machine is high, each time the cleaning time is longer, it is recommended to buy industrial or laboratory ultrasonic cleaning machine. This kind of ultrasonic cleaning machine in the design and manufacturing process are better, the service life is longer, to ensure long-term continuous operation.

2, ultrasonic cleaning machine purchase key points to determine the demand, is in accordance with the circumstances to choose their own products. Purchasing housekeeper reminds you of the following:

(1) the size and material of the groove body

Tank material should be based on the chemical characteristics of the cleaning medium to decide, the most common is SUS304 stainless steel, if the use of harsh environment, you can choose SUS316 material.

The size of the tank body should be based on the size of the object to be cleaned, the number of minimum volume to determine. In addition also need to pay attention to the size of cleaning basket mesh, in the cleaning of small parts, often use basket, because the mesh to cause ultrasonic attenuation, when the frequency is 28 khz when using more than 10 mm mesh appropriate.

(2) the selection of power frequency band

The strength and weakness of the power of the ultrasonic cleaning machine have a great influence on the actual cleaning effect. The frequency of the ultrasonic cleaning machine usually in the range of 20 khz to 100 khz, when using water or water cleaning fluid obviously use low frequency will be more efficient, the regular cleaning frequency to choose 28 khz and 40 khz more, for the workpiece surface of the provisions of very small particles and the surface can not be damaged to select a relatively high frequency. The 40 to 60 khz frequency range can be considered for precision parts.

(3) the related function of cleaning process

According to the workpiece to be cleaned material, waste nature to determine which cleaning method. Most of the cleaning fluid in the chemical composition of the general at a certain temperature to achieve the best practical effect of cleaning, so heating is indispensable. In addition, the ultrasonic cleaning machine and cleaning technology-related efficacy are: set ultrasonic working time, ultrasonic power, heating temperature.

(4) other functions

In addition to meeting the basic requirements, consider the selection of other functions. For example, is there a touch panel, is there a mute, manual, semi-automatic or fully automatic, one-piece or split?

In general, the manual cleaning machine is suitable for the simple process of small amount of cleaning operation. Semi-automatic cleaning is suitable for large-scale heavy objects or medium and large-scale cleaning. Full-automatic cleaning has stable performance and obvious effect, but the cost of equipment is high, suitable for large-scale cleaning.

The integrated desktop machine is smaller in volume and more space-saving. Multi-slot ultrasonic cleaning machine is often extracted from the generator to keep it away from the wet cleaning environment, multi-slot ultrasonic cleaning machine is often based on the specific conditions of the unit used to tailor-made.

(5) cleaning fluid selection

In addition to ultrasonic cleaning machine, you need to clean the workpiece according to the material and waste characteristics to choose their own cleaning agent. The cleaning agent divides into the organic solvent class and the water-based class cleaning agent.

Cleaning agents should be non-toxic and harmless, easy to operate, cleaning efficiency and strong and durable. The use of organic solvent cleaning agents often require continuous recovery of waste liquid equipment.