CNC flame cutting machine cutting flame by adjusting the ratio of oxygen and acetylene can be obtained three kinds of cutting flame: neutral flame (ie, normal flame), oxidation flame, reducing flame, see above.
The normal flame of a CNC flame cutting machine is characterized by the absence of free oxygen and activated carbon in its reduction zone. There are three distinct areas. The flame core has a sharp outline (close to a cylindrical shape). The composition of the flame core is acetylene and oxygen, and its ends have a uniform circular shape and a bright shell. The shell consists of red hot carbon dots. The temperature of the flame core reaches 1000°C. The reduction zone is outside of the flame core, and the apparent difference from the flame core is its darker brightness. The reduction zone consists of products of incomplete combustion of acetylene, carbon monoxide and hydrogen. The temperature in the reduction zone can reach around 3000°C. The outer flame is the complete combustion zone, located outside the reduction zone. It consists of carbon dioxide, water vapor, and nitrogen, and its temperature varies from 1200 to 2500°C.
The oxidizing flame is produced under the condition of excess oxygen. The flame core is conical, its length is obviously shortened, the outline is not clear and its brightness is dim; similarly, the reduction zone and the outer flame are also shortened and the flame is purple blue. , Accompanied by the sound of burning, the size of the sound and oxygen pressure, oxidation flame temperature is higher than the normal flame. If an oxidizing flame is used for cutting, the cutting quality will be significantly deteriorated.
The reduction flame is produced in excess of acetylene. The flame core has no obvious outline. The flame core has green edges at the end. Judging from this green edge, there is excess acetylene; the reduction area is unusually bright and almost The flame core is mixed; the outer flame is yellow. When too much acetylene is left, black smoke begins to occur because of the lack of oxygen necessary for acetylene burning in the flame.
The energy of the preheating flame is closely related to the cutting speed and incision quality. As the thickness of the workpiece is increased and the cutting speed is increased, the energy of the flame should also be enhanced, but it must not be too strong, especially when the thick plate is cut, the reaction heat generated by metal combustion increases, and the cutting is strengthened. Point the front of the preheating ability, then, a strong preheating flame will make the upper edge of the incision severe melting edge collapse. Too weak a preheating flame will make the steel plate not get enough energy, forcing the cutting speed to be reduced, or even causing the cutting process to be interrupted. Therefore, the relationship between the strength of the preheating flame and the cutting speed is mutually restricted.
In general, CNC flame cutting machines can achieve good cutting quality by cutting a steel sheet below 200mm with a neutral flame. In the cutting of large thickness steel plates, the reduction flame should be used to preheat and cut because the flame of the reducing flame is longer and the length of the flame should be at least 1.2 times the thickness of the plate.
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Zowell XP30 Electric Pallet Truck with 3000kg load capacity is a material handling equipment mainly used in the transfer of materials in pallet inside and outside the production line and warehouse. The pallet truck is only used for plane transportation for no lifting mast. Although the pallet truck cannot lift the goods, but the purchase and maintenance costs are quite lower than other forklifts.
Zowell XP electric pallet trucks are equipped with AC drive motor and multi-functional handle, emergency switch, dual balance wheel as well as side loading battery for safety, efficiency and less fatigue in operation. Buffered pedal also extends the flexibility for various scenarios.
Detail features
1. Multifunctional handle
The multifunctional handle is imported from Germany. The operators can control
the moving speed easily through the use of the handle, which is equipped with
an emergency reverse button. This effectively protects the operator against
injury in the event of an accident. The handle can achieve braking in both vertical
horizontal positions, thus improving the tugger safety.
2. Safety protection
The soft PU armrest features a superior resistance to compression and impact,
thus reducing indirect hits and injury during stacker movement. This can
provide safety protection as well as comfort for the operators.
3. Safety switch
The power can be rapidly cut off in an emergency to ensure safety.
4. Buffered pedal
The foldable pedal saves space when the stacker is not in use. It features an
excellent shock absorption function, providing comfort for the operators, and
reduce working fatigue.
5. Side loading and unloading of storage battery
Side loading and unloading of storage battery makes maintenance and changing
easy. Users can select among different brands, including FAMM, GS, HOPPECKE,
and Trojan.
6. Dual balance wheel device
This device has a high passing ability because the running is stable.
7. AC drive
The maintenance free AC drive motor has no carbon brush, no contacts, a large
torque and large output power. It uses a rear axle drive, providing perfect
power and gradeability.
8. Lifting height limit
The lifting height can be precisely controlled to reduce energy waste.
9. Multifunctional meter
A multifunctional meter can display integrated electricity quantity, working time
and failure codes. The operators can know the running condition of the stacker
via the meter.
10. High power pump station
The 2.2kw high power pump station can provide a strong power for transporting
goods. The noise is low as well. The whole truck noise is lower than 70 dB.
Hyster Electric Pallet Jack,Double Electric Pallet Jack,Semi Electric Pallet Stacker,Noblelift Pallet Jack
Suzhou Pioneer Material Handling Equipment & Technology Co., Ltd , https://www.xianfengforklift.com