इतिहास (History) से अच्छा शिक्षक कोई दूसरा हो नहीं सकता। इतिहास सिर्फ अपने में घटनाओं को नहीं समेटे होता है बल्कि इन घटनाओं से भी आप बहुत कुछ सीख सकते हैं।
Possible causes of problems: (1) Insufficient injection speed. (2). Plastic... moreTrash Can Mould https://www.furnituremould.com/products/trash-can-mould/ may encounter such and such problems in the injection moulding process. What is the most likely problem?
Possible causes of problems: (1) Insufficient injection speed. (2). Plastic shortage (3). Screw cushion is not left at the end of travel. (4). Change of running time. (5) The shooting cylinder temperature is too low. (6) Insufficient injection pressure. (7) The nozzle is partially sealed. (8) The heater outside the nozzle or shooting cylinder cannot operate. (9) Injection moulding time is too short. (10). Plastic is attached to the throat wall of the hopper. (11). The capacity of injection moulding machine is too small (i.e. injection weight or plasticizing capacity). (12). The mould temperature is too low. (13). The antirust oil of the mould was not cleaned. (14). The check ring is damaged, and the melt flows backwards.
Solutions: (1) Increase injection speed. (2). Check the amount of plastic in the hopper. (3) Check... less
1. Look at the appearance. Check whether the color of DC freezer https://www.chinafreezers.com/product/dc-freezer/ meets the requirements, and whether the surface is smooth, level and free from scratches and looseness. The interior of DC freezer is... more1. Look at the appearance. Check whether the color of DC freezer https://www.chinafreezers.com/product/dc-freezer/ meets the requirements, and whether the surface is smooth, level and free from scratches and looseness. The interior of DC freezer is required to be smooth, free of cracks and bubbles, free of scraggy, free of peculiar smell and severe color spots, etc. The sides of the cabinet door should be straight, the assembly should be firm, the freeze door should not be skewed, and the clearance between its rotating shaft and shaft pin should be well matched. The foaming liquid shall not leak out at the contact places such as cabinet door, cold drink cabinet body and placket.
2. Power-on inspection. After power is applied to the prior door, when the door is closed, the DC freezer door close to the door frame will automatically close due to the attraction of the magnetic strip, and there should be no gap. Then check the compressor. When the power supply is turned on, the freezer can start... less
The internet is full of free MMORPG games. They have become so cheap runescape gold many in the past few years that they have actually outnumbered the pay play games. Since you understand yourself better and know your needs you should decide whether you... moreThe internet is full of free MMORPG games. They have become so cheap runescape gold many in the past few years that they have actually outnumbered the pay play games. Since you understand yourself better and know your needs you should decide whether you want a paid game or a free game. Usually new MMORPG games offer free trial versions so that gamers can familiarize themselves with the consoles. Paid games are usually more fun than free games. This is because they don have the various gaming restrictions which will hinder you from enjoying and achieving your gaming missions with ease. Subscriptions to an MMORPG game will cost you like $15 or slightly more for a monthly play. If you want to gain edge over other players you will have to spend some money.
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There are currently two basic types of sprayers on the market, one is an airless paint sprayer, and the other is an air-driven sprayer. These two spraying machines are suitable for different types of paint.
Most of the small and exquisite hand-held paint... moreThere are currently two basic types of sprayers on the market, one is an airless paint sprayer, and the other is an air-driven sprayer. These two spraying machines are suitable for different types of paint.
Most of the small and exquisite hand-held paint sprayers have some form of pump inside, so they are actually a miniature airless sprayer. These miniature handheld sprayers are also called spray guns. Such sprayer is very suitable for spraying in those narrow areas. At the same time, the spray gun is small and light, which is convenient for users to carry.
The HVLP spraying machine, also known as a cordless spraying machine, can spray paint in both horizontal and vertical directions with the help of a rotating cover, and can complete a good quality nozzle operation within a few minutes. This type of spraying machine is most suitable for spraying larger projects such as houses, boats, and fences. Because it does not have wires, it is more convenient during transportation. Some cordless sprayers... less
