The advantage of water jet cutting machine compare with laser machine

Water jet cutting machine with advantage than laser cutting
1, there is no limit to the cutting thickness;
2, Reflective material such as brass, aluminum can also be cut;
3, Just cost 1/2 to 1/3 of laser equipment can have a full nest of water cutting equipment;
4, cnc water jet cutting equipment maintenance is more professional and higher difficulty;
5, Dont need heat energy, so will not burn or produce heat effect;
6, more cutting head can be easily installed to increase production capacity.
7, when you change the cutting material, you only needed to change the cutting speed;Without change of gas, focus, or other objects.


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Basic knowledge of marble parquet cut by water jet cutting machine

First, the marble parquet to draw a negative map, according to the different materials and treatment, parquet processing plans should be preserved. Save the need to pay attention to the order, select CAD2000 DXF file format, check the "select object" box. First select the form of the first choice in turn. Note that if the ring, such as the ring, you should first select the inner ring, and then choose the outer ring, water jet cutting machine diagram should not have other non-water knife pattern.Marble parquet drawing 1.



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Second, the original size of the marble mosaic map is basically a single outward expansion of about 0.3mm to make up for the gap generated by water cutting. If the ring, the inner ring inward expansion of about 0.3mm, the outer ring outward expansion of about 0.3mm (due to the waterjet cutting machine nozzle uncertainty, the expansion of the distance will change).Third, tracing the starting point should be moved to 0:00 CAD dots, respectively, to the right and left offset 3mm. Marble mosaic of the line for the polyline, that is, including circular, circular and linear lines should be converted to polyline. For cnc waterjet cutter You can use the JOIN command to merge, merge the first choice into the knife line, and then select the middle of the polyline, and finally select the knife line. There are many ways to add in and out of the water knife line, you can extend the original line segment, can also be manually added at the endpoint. If you have a circular arc or straight line, you can first use the PEDIT command to convert it to polyline and then merge. 1: BO picking boundary 2: expanding edge 3: breaking up 4: PEDIT turning polyline 5: adding cutting line 6: J merging, from feeding line to cutting line.Water Jet Cutting machine 
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Industrial cooperation to feature China-Africa ties-EAAK waterjet cutting machine

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BEIJING, April 3 (Xinhua) -- China and Africa face "historic opportunities" as the Chinese market for basic industrial materials is saturated while less-developed African countries are crying out for them, according to a foreign ministry official.

Cooperation in what the Chinese government refers to as "industrial production capacity" will not only help China's economic development, but also meet African countries' demand at this relatively early stage of their industrialization, Lin Songtian, head of the foreign ministry's department of African affairs, told Xinhua.EAAK CNC cutting machine.

Industrial production capacity cooperation mainly refers to moving production lines from a country to another one or setting up factories, industrial parks with local partners, mainly employing local people.

In the past year or so, Chinese leaders have, on many occasions, raised the concept when meeting with leaders of other developing countries, saying China's extra industrial capacity with low cost can meet the demand of countries in the middle of industrializing process.

After more than three decades of reform and opening up, China's capacity to produce these fundamentals such as iron an steel, cement and plate glass, is huge. However, most African countries cannot manufacture them themselves and rely heavily on imports, according to Lin.

"While we need to divert these products from the domestic market and expand the overseas market, African countries are eager to import them so as to speed up their industrialization," he said.

African countries are rich in natural resources, while China boasts capital, machinery, technology and managerial experience in manufacturing these industrial products, thus creating a "golden opportunity".

That hasn't stopped some from questioning China's motives in this area since Foreign Minister Wang Yi said in March that promoting industrial capacity cooperation is the top priority for China-Africa work in 2015 laser engraving machine.

Lin responded to such concerns by stressing that industrial capacity cooperation should not be interpreted as shifting China's outdated, polluting overcapacity abroad.

"The cooperation will never be conducted at cost to the natural environment and long-term interests of Africa," he said. "It is rather something mutually beneficial, and a real integration of China and Africa's developmental demand."

While the demand and political willingness is there, Lin warned, however, that China and Africa are "not completely prepared" for the cooperation.

Many African nations must improve their laws and administrative efficiency to make foreign investors feel "secure, happy and comfortable," he said.

According to the diplomat who used to serve as China's ambassador in Liberia and Malawi, another big obstacle for investors is the weak infrastructure, including a fragile power generation sector and poor transport systems, in many African countries.

Lin said, this problem can be solved and many Chinese companies would be happy to give a hand in building those basic infrastructure.(water jet cutting machine)

On the other hand, Chinese investors in Africa, mostly private firms, are also faced with bottlenecks, such as lack of financing and experienced staff, Lin added.

Industrial capacity cooperation will not only prosper between China and Africa and is set to feature China's economic cooperation with other developing countries.

On March 27, Chinese Premier Li Keqiang and Kazakhstan Prime Minister Karim Masimov witnessed the signing of 23.6-billion-USD deals in industrial capacity cooperation in Beijing, involving iron and steel, nonferrous metals, plate glass, refinery, hydropower and automobiles.

In Chinese waterjet cutter manufacturing sector, the amount of industrial fundamentals like iron and steel exceeds domestic demand by nearly 28 percent, while 35.5 percent of manufacturers have seen less than 75 percent of their capacity fully utilized, latest data from the Ministry of Commerce showed.

The central government has vowed to help companies seeking to transfer their spare industrial capacity abroad by increasing financial support, cutting red tape, broadening funding channels and coming up with more favorable policies.woodworking cnc router machinery.

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EAAK rotary platfoam water jet glass cutting machine

This is specially design for carrying large size glass after water jet glass cutting machine processed.This platform is suit for cutting glass max 4000mm length,load-bearing is max 1000kgs,the max tilt angle can be up to 85 degree.The platform is lifted by hydraulic.

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After the glass being cut on most common water jet cutting platform,especially being cut many lirregular arge hole,it is very easy to be broken when erecting and carrying,for example,in the popular toughened glass processing.

Youtube video link: http://youtu.be/bTOmHHCvduA

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Cutting Thickness of water jet cutting machine on different materials

Cutting Thickness of water jet cutting machine on different materials
Cutting Material 5mm 10mm 15mm 20mm 30mm 50mm 100mm
Titanium 1,481,668,419,301,189,105 37
Carbon steel 1112 5,013,142,261,427,927
Stainless 1129 5,093,192,291,448,028
Copper 2,194,989,620,446,280,155 54
Aluminum 3000 1352 84860938221274
Marble 8954 4,035,253,118,181,141,634 221
Glass 4897 2270 1,384,994,624,347,121

Waterjet Cutting parameters
Pressure: 380MPa
Water nozzle: 0.33mm (13 #)
Abrasive nozzle: 0.889mm
Sand material: 80 mesh
Motor: 37kw (50hp)
Water flow: 3.7L/min
Sand Flow: 0.54kg/min
Note:
1, the cutting speed mm / min.
2, the table shows the cutting speed, for a higher cut quality, you need to be reduced accordingly cutting speed.
3, the table working pressure of 380MPa, if the working pressure up to 410MPa, speed will be submitted to 15%; under maximum pressure conditions, the service life of the high-pressure parts will be significantly reduced.

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Several forms of water jet cutting machine

  In the abrasive situation to points: water cutting with abrasive and without abrasive cutting.
       With equipment to points: divided into large and small water jet cutting water cutting.
       Pressure to points: divided into high-and low-pressure type, generally 100Mp as boundaries. 100Mp more high-pressure type, 100Mp following is a low pressure type. The 200MP above is UHP type.
       Technical principles to points: divided into pre-and post-Mix-Mix.
       Safety cut to points: cutting into the safety and non-safety cut class, the main difference in pressure above, 100Mp the following low pressure type water jet cutter can be applied.
       Special industries such as: hazardous, areas of oil, coal, hazardous materials handling. After a lot of experiments it was found that when the pressure exceeds a certain threshold, even if the water will put some sensitivity to chemicals detonated, and sediment containing abrasive waterjet cutting due to the sand, the sand and the potential impact and objects collide, producing the energy can also cause instability specialty chemicals, after a lot of experimentation and demonstration, and finally come to its threshold at around 237.6MP. Therefore, in the water cutting industry, people on the 200MP above waterjet cnc cutting is mainly used in the machining industry.
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Analysis of water jet cutter's characteristic and abrasive

Pressure on the depth of cutting:
Determined pressure and velocity of the water jet erosion energy, and its size is proportional to the water jet cutting ability. When high pressure, the machining tank side area, high efficiency, removing less; contrary, low efficiency, better quality; processing tank is too wide, it will result in waste of material. Different types and thickness of material being cut, the pressure corresponds to a certain limit, the case where only the water pressure exceeds the pressure value can be effectively cut. Often considered the best pressure is about 2.5 times the limit pressure value, then the pressure and the depth of cut is linear.

Nozzle traverse speed, but also have a greater influence on the surface quality of the processed material. With the increase of the traverse speed, the cutting capacity per unit area decreased, increasing the surface roughness of the material, particularly when the traverse speed reaches a critical value, the machined surface roughness increased dramatically. The size of its critical value and the abrasive nature of the greater impact.

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