When it comes to molds, it is easy for many people to understand, ranging from small batches for making cake impressions to large molds for various industrial products. There are often residual raw materials on the mold, which will directly affect the continuous production of the next product, and even need to stop for manual mold cleaning, resulting in missed work and missed work. industrial laser cleaning machine ,  The second problem is the rust removal of the mold. Traditional cleaning will consume a lot of labor and bring great cleaning trouble to the manufacturer.


The principle of laser cleaning is to use the high-energy and high-frequency beam of the laser to hit the surface of the workpiece, so that the surface residue, rust, dirt, oil, etc. will instantly evaporate or become particles. and separated from the workpiece surface. Anyone who has seen the effects of laser cleaning



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Look at the locks: The national standard stipulates that Class A anti-theft doors should use Class B anti-theft locks, and anti-theft doors below Class B should use Class A anti-theft locks.door lock hardware , At present, most anti-theft doors use Class B lock cylinders.


Look at the buckle edge and the lock point: some manufacturers have designed a card slot on the side of the lock tongue, which is more anti-theft than the ordinary buckle edge; the lock point is the lock head that can be connected between the door panel and the door frame, the more the lock points, the better Hard to pry open.


There are many classifications of anti-theft door locks, each with its own characteristics. At present, most anti-theft doors use ordinary buckles, and there are generally more than 7 lock points.



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1. Before operating the drone, first make sure that the battery of the drone and the remote control battery are sufficient, otherwise the operation will easily lead to the loss of control of the drone.light up drone ， It is strictly forbidden to fly over people's heads, which may easily cause casualties.


2. Be sure to keep the drone flying within your field of vision. Keep away from high-voltage power lines that are prone to collisions.


3. In addition, the installation and use of the remote control model requires professional knowledge and technology, and cannot be operated at will. Incorrect operation may result in equipment damage or personal injury.


4. It is strictly forbidden to fly in rainy days! Water and water vapor can enter the transmitter through gaps in antennas, joysticks, etc., and can cause loss of control.


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There are many types of laser cutting machines,  Laser Engraving Machine ，so how to choose a suitable laser cutting machine?


There are two main types of laser cutting machines: metal laser cutting machines and non-metal laser cutting machines. Metal laser cutting machine is also called fiber laser cutting machine, non-metal laser cutting machine is also called carbon dioxide laser cutting machine.


After selecting the main category of laser cutting machine, it is necessary to confirm the size and power of the laser cutting machine, and select the corresponding laser cutting machine model according to the size and thickness of the material to be cut.


The model, size and thickness of the product determine the table, power and model of the laser cutting machine, which can be selected according to specific materials.


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How to judge the quality of a microphone is mainly judged from the three aspects of the microphone core, wire and shell.


Microphone: We can observe the size of the microphone from the naked eye. car microphone，Generally speaking, the microphone with a large microphone will have a better sound pickup effect than a small microphone, but this is not absolute;


Wire: The audio signal is transmitted through the line inside the microphone, so whether the sound quality is smooth and stable also depends on the quality of the wire. For high-quality microphones, the copper core of the wire is often thicker and less prone to damage;


Shell: Appearance is naturally an important factor affecting the overall quality. Moreover, the high-quality microphone housing also has some noise suppression.


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First of all, you must determine whether the purpose of your purchase is for shading, or for matching clothing and decoration; in addition to shading, whether there are requirements for anti-ultraviolet function; whether there are special requirements for the safety performance of lenses; design your own sunglasses with logo，The actual effect of my face, in order to buy a suitable pair of sunglasses.


One is the "sunshade mirror". People usually adjust the luminous flux by adjusting the pupil size in the sun. When the light intensity exceeds the adjustment ability of the human eye, it will cause damage to the human eye. Sunshade mirrors can block sunlight and reduce fatigue caused by over-regulation of the eyes or damage caused by strong light stimulation;


The other type is "light-colored sunglasses", which is also a more popular variety in recent years. It mainly plays a decorative role and can also be used when the sun is not strong. If the wearer mistakenly uses such glasses as sunshade glasses, it will not only fail to provide the effect of sunshade, but may also damage people's eyes.


The choice of the color of the lens should be determined according to the place where the activity is required. For different light sources and occasions, the color of the lens will affect the shading effect.


Finally, when choosing, pay attention to the smooth surface of the lens, no ripples, no blemishes, no bubbles, no wear marks, lay the lens flat, and see the lens from the horizontal direction without warping. Then move the glasses up and down and back and forth. If it is found that the straight line is distorted or swayed, it means that the lens is deformed and should not be purchased.


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Today's style kitchens are not only invisible, but convex stainless steel. The shape of the apartment is suitable for torture instruments. kitchen cabinet handles ，This kind of feel is better, easy to use, the material is more delicate, and the hygiene is convenient.


The one-word cabinet handle is the most common and most common style. Its shape looks like a single word, which belongs to a relatively simple handle style, which makes the cabinet look more concise and beautiful.


Classic-style kitchens are generally dominated by classic colors. There will be some concave and convex classical copy on the kitchen utensils, such as classical porcelain handles suitable for copper. There are some patterns printed on the china, which echo with the kitchen utensils and give the kitchen a classic feel.


There is also a round cabinet handle, which is somewhat similar to a button being installed on the cabinet, which is also a relatively simple and direct style.


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condenser microphone
Advantages: The sound quality is delicate and full, the clarity and sensitivity are high, mic & speaker，and it is suitable for quiet environments such as recording studios.
Disadvantages: Afraid of getting wet, afraid of falling, too high sensitivity, easy to absorb noise and vocal glitches.


Dynamic microphone
Advantages: strong noise resistance, soft and full sound quality, suitable for KTV environment and stage performance.
Disadvantages: low volume, dull vocals, poor clarity, and poor sensitivity


From the above, condenser microphones seem to have an advantage over dynamic microphones. In fact, everything has two sides. In a noisy environment, if there is no high requirement for sound quality, a dynamic microphone is preferred. Condenser microphones are the right choice for scenarios that require professional recording or clear sound quality.

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Each sculpture will have different shapes and themes when it is made, so designers need to design different stainless steel sculptures according to the theme. outdoor metal sculpture for sale ，What are the requirements for stainless steel sculpture design? What principles should designers follow?


1. Unity
Because stainless steel sculpture cannot speak like a person, it can only express its theme through external expressions, even if it is a very abstract unity on the theme of stainless steel sculpture.


2. Highlight the highlights
No matter what kind of stainless steel sculpture is designed, it will have its own highlights, because only in this way can it catch people's attention without being too dull. This is also the soul of stainless steel sculpture.


3. Creativity
If such a stainless steel sculpture loses its cultural creativity, there will be no freshness at all. Only through the surface, no novelty works will not get much recognition.





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