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| How Strong is 7075 t6 Aluminum |
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Posted by: toyota1515 - 06-08-2022, 08:18 AM - Forum: aluminium faq
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The 7075 t6 aluminum have better hardness than other temper of 7075 aluminum alloy. The hardness of 7075-T6 aluminum is about 150HB. The strength is extremely high, and it has good mechanical properties. The mold manufactures aviation parts, etc.
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| Aluminium sheet in PCB Drilling Process |
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Posted by: toyota1515 - 06-08-2022, 07:30 AM - Forum: Knowledge & Technique
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The first step in the manufacturing PCB (for two layer) is drilling. The CNC drill machines are enormous. Some of the machinces are setup to drill three panels at once and one of the bigger machines (pictured below) could drill six panels of PCBs simultaneously! A layer of aluminum foil sheet is laid down over the board stock to help absorb and distribute heat from the drilling process.
After drilling, the PCB panels have the aluminium foil sheet covering removed and are ran through a machine to remove burs and smooth out any other abraisions that may have happened during the drilling process. This ensures that surface is relatively uniform for the electroless chemical plating process, the next step. The aluminum foil sheet protects the board.
After being drilled, the boards are cleaned.
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| What is a Printed Circuit Board(PCB)? |
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Posted by: SpbPTSml - 06-08-2022, 07:29 AM - Forum: aluminium faq
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A printed circuit board (PCB) serves as a foundation and mechanical support for electronic components. Non-conductive surfaces, printed circuit boards are also referred to as etched wiring boards and printed wiring boards. After it is populated with conductive pathways, signal traces and electronic components, it is referred to either as a printed circuit board assembly (PCBA) or a printed circuit assembly (PCA).
An entry material for use in drilling circuit boards to avoid marring of such boards comprises a wood pulp-glass composite substrate (14) having aluminum foil (15, 16) bonded to the opposite surfaces thereof. This entry material is relatively economical and has a stiffness sufficient to avoid upward bending or "oil canning" when pressure feet spaced from the drill are employed to hold the workpiece during drilling and further has enough strength to withstand high torsional drill forces with drills operating for high rates of material removal. The double layers of foil separated by the low heat conductive substrate material affords a pair of heat sinks which more effectively can carry away heat from the drill.
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| What is an aluminum drill entry sheet? |
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Posted by: toyota1515 - 06-08-2022, 07:28 AM - Forum: aluminium faq
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Aluminium pre-entry board for CNC drilling printed circuit board is placed on the top of the stack before drilling. Being aluminium it acts as a heat sink and it’s soft structure provides a good stable entry point for the rotating drill bit. Aluminium entry board can reduce ‘drill wander’ significantly. This is of importance especially when machining Via & buried Via holes in modern Multi layer or Flexible pcb’s
Haomei's Printed Circuit Board (PCB) entry sheets are manufactured with state-of-the-art equipment which matches international standards. Tight thickness tolerance, flatness, dimensional accuracy and grease-free surface and hardness optimal for burr-free drilling required in the manufacture of PCB are ensured.
Continuous upgrades and process improvement enable us to keep pace with the demands of its ever-growing clientele.
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| What Does Aluminum Wire Mean? |
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Posted by: toyota1515 - 06-06-2022, 09:55 AM - Forum: aluminium faq
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Aluminum wire is a wire that is used for electrical wiring in houses, power grids and airplanes. Aluminum wire is an alternative conducting material considering its electrical and mechanical properties and price compared to copper wire. Aluminum is a poorer electrical conductor compared to copper, so it is infrequently used in small applications such as home wiring. However, when copper prices skyrocketed in the 1960s aluminum wiring became a favorable choice.
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| What wire do you use for aluminum? |
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Posted by: toyota1515 - 06-06-2022, 09:52 AM - Forum: aluminium faq
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Aluminum wire is generally easier to use than copper because it’s lighter and more malleable, making it an ideal wiring material to use over long distances. Likewise, it’s significantly more affordable than copper, so much so that you will generally have half as much copper wire than you would with aluminum for the same cost. The downside to aluminum wiring is that it’s vulnerable to corrosion and therefore cannot match the lifespan of copper wire. Likewise, its softness makes it prone to breakage and loose connections.
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| How strong is 2mm aluminium? |
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Posted by: toyota1515 - 06-06-2022, 07:10 AM - Forum: aluminium faq
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The 2mm aluminium sheet we stock is 1050A grade. This is a popular grade of aluminium for general sheet metal work where moderate strength is required. This 1050 alloy is known for its excellent corrosion resistance, high ductility and highly reflective finish blue/silver apperance.
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| How to start the aluminum plastic recycling business? |
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Posted by: SpbPTSml - 05-27-2022, 06:21 AM - Forum: aluminium faq
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Recycling business is a potential development business, and many countries' government also published some policy to support the recycling business. Therefore, more and more people plan to start a recycling business, like scrap wires recycling, waste circuit board recycling, aluminum plastic recycling and so on. But how to start? Today, take the aluminum plastic recycling business as an example, let' s have a talk about how to start aluminum plastic recycling business?
To start the aluminum plastic recycling business, you should make some preparations as follows:
aluminum plastic recycling machineVarious aluminum plastic composite materials
First, collecting cheap raw material(aluminum plastic films, aluminum plastic panels, medical blister packs,ect.). To collect adequate cheap raw materials is an important part for starting a business. As the price of aluminum is transparent in market, what you can control is the cost of collecting raw material. The cost of raw material is lower, the profit you make is higher.
aluminum plastic recycling machine Aluminum plastic recycling machine
Second, choosing a proper machine. You can choose the suitable aluminum plastic recycling machine according to your processing capacity and the raw materials. For example, the aluminum plastic recycling machine of Henan Doing Environmental Protection Technology Co., Ltd has the processing capacity of 200 kg/h, 300 kg/h, 500 kg/h, 1000 kg/h, etc. If you have big requirement of processing capacity, it can be customsized accordingly.
Capacity (Kg/h) Overall Dimension Power (Kw) Weight (Kg) Recovery Rate
200-300kg/h 8500*4500*4200mm 94kw 6800kg ≥99%
300-400kg/h 9500*5000*4200mm 135kw 7600kg
500-600kg/h 11500*6500*4200mm 316kw 12600kg
800-1000kg/h 16000*9000*4200mm 483kw 13500kg
Besides, the aluminum plastic recycling machine should also has the advantages of environmental protection, high separation rate and low cost. Most importantly, the machine shouldn't damage the quality of aluminum. The quality and purity of aluminum will determine how much money you can make.
aluminum plastic recycling machineSeparated aluminum and plastic
Third, considing the handling way of final product (aluminum and plastic). Normally, there are two ways to handle the final product. Firstly, sell directly. The aluminum and plastic with the good quality and high purity can be sold in the market directly. Secondly, you can choose to further processing the aluminum and plastic, and then to sell them. For example, the plastic can be made into sheath of wires and cables, flowerpot and so on. Both the two ways of handling with final product can bring considerable profit.
In addition, the related procedures, location of factory, funding, etc are also the preparations should made to start the recycling business.
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| How to remove aluminum fins from copper tubing? |
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Posted by: toyota1515 - 05-27-2022, 06:17 AM - Forum: aluminium faq
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As we all know, air conditioner and car radiators contain metals copper aluminum and iron which have big value to recycle, but these radiators is hard to separate manually. How do you remove aluminum fins from copper tubing? Today I will introduce two mechanical ways to remove aluminum fins from copper tubing.
radiator recycling machine Scrap radiators and the separated copper aluminum & iron
The first way is using stripping type radiator separator machine to remove aluminum fins from copper tubing. It can stripe the aluminum fins off copper tubing and keep the good shape of copper tubes. This machine can recycle both aluminum fins and copper tubes. Stripping type radiator separator machine is a single-unit design with small land occupy size, easy to operate with safety control. The scarp radiators could be pre-cutted by an auxiliary equipment- radiator cutting machine.
radiator separator machineStripping type radiator separator machine
The second way is using copper aluminum radiator recycling machine to remove aluminum fins from copper tubing. It is a complete production line including shredding, crushing, magnetic baffle separator machine, magnetic separation and air separation. By the whole process, aluminum fins and copper tubing and iron will be shredded and crushed to small particles and separated. This production line adopts fully automatic PLC control with vacuum loading and pulse dust collection system. Fully automatic, high efficiency and dust-free.
radiator recycling machine Copper aluminum radiator recycling machine
There are some differences between the two recycling ways. First, the copper aluminum radiator separator machine can recycle radiators which are in good shapes and well-formed. But copper aluminum radiator recycling machine can recycle all kinds of radiators no matter whether deformed or large shapes. Second, copper aluminum radiator recycling machine has bigger capacity and efficiency than copper aluminum radiator separator machine. Third, the copper tubes and aluminum separated by copper aluminum radiator separator machine can keep the good shapes, the copper and aluminum separated by copper aluminum radiator recycling machine are pieces. Customers can choose a suitable machine for their radiator recycling business.
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