The most affected nature of high-altitude trucks on bumpy road conditions is the chassis of the aerial work platform. If there is a clear scraping of the chassis, high-altitude operations owners need special attention. Sometimes, some minor scratches can also cause oil. Slight leakage of the bottom shell.
If a high-altitude vehicle runs on slippery muddy roads, it will inevitably cause the mud to splash on the chassis. If accumulated dirt is not cleaned in time, the chassis and suspension system of the aerial vehicle will be seriously corroded. Therefore, if it is to some road conditions, Too good place to drive, need to do a special chassis cleaning and anti-rust maintenance. If there has been abnormal chassis, steering wheel jitter and other phenomena, that the suspension system has been damaged.
Every time long-distance trucks run long distances, long-term high-load operation is a test for high-altitude vehicle engines. Therefore, engine oil and water tank replacement frequency will be higher. In some halfway stations, there will be supply of oil. In the case of poor product quality, if the high-altitude trucks add such inferior oils, if they do not pay attention to them, the engine will generate knocking noise and noise, and on the other hand, the three-way catalytic converter will become ineffective. Some will also block the exhaust pipe, which in turn will cause the engine to perform weakly and increase fuel consumption. Severe damage to the internal parts of the engine will occur. Therefore, after the long-distance return, clean and maintain the engine of the aerial work vehicle.
For high-altitude vehicles that run a long distance, check the frequency of braking should be higher than other uses of the vehicle. The first is to observe whether it is liquid-deficient, and check whether it needs to be replaced.
Nowadays, highways between cities provide great convenience for high-altitude vehicles. However, the chance of damage to the window glass has also increased. If the glass is damaged, the owners need to increase the polishing and repair of the glass. budget
The Die Castings that are created in this process can vary greatly in size and weight, ranging from a couple ounces to 100 pounds. One common application of die cast parts are housings - thin-walled enclosures, often requiring many ribs and bosses on the interior. Metal housings for a variety of appliances and equipment are often die cast. Several automobile components are also manufactured using die casting, including pistons, cylinder heads, and engine blocks. Other common die cast parts include propellers, gears, bushings, pumps, and Valves.
Die casting is a manufacturing process that can produce geometrically complex metal parts through the use of reusable molds, called dies. The die casting process involves the use of a furnace, metal, die casting machine, and die. The metal, typically a non-ferrous alloy such as aluminum or zinc, is melted in the furnace and then injected into the dies in the die casting machine. There are two main types of die casting machines - hot chamber machines (used for alloys with low melting temperatures, such as zinc) and cold chamber machines (used for alloys with high melting temperatures, such as aluminum). The differences between these machines will be detailed in the sections on equipment and tooling. However, in both machines, after the molten metal is injected into the dies, it rapidly cools and solidifies into the final part, called the casting. The steps in this process are described in greater detail in the next section.
Die cast parts can vary greatly in size and therefore require these measures to cover a very large range. As a result, die casting machines are designed to each accommodate a small range of this larger spectrum of values. Sample specifications for several different hot chamber and cold chamber die casting machines are given below.
| Type | Clamp force (ton) | Max. shot volume (oz.) | Clamp stroke (in.) | Min. mold thickness (in.) | Platen size (in.) |
| Hot chamber | 100 | 74 | 11.8 | 5.9 | 25 x 24 |
| Hot chamber | 200 | 116 | 15.8 | 9.8 | 29 x 29 |
| Hot chamber | 400 | 254 | 21.7 | 11.8 | 38 x 38 |
| Cold chamber | 100 | 35 | 11.8 | 5.9 | 23 x 23 |
| Cold chamber | 400 | 166 | 21.7 | 11.8 | 38 x 38 |
| Cold chamber | 800 | 395 | 30 | 15.8 | 55 x 55 |
| Cold chamber | 1600 | 1058 | 39.4 | 19.7 | 74 x 79 |
| Cold chamber | 2000 | 1517 | 51.2 | 25.6 | 83 x 83 |
The selection of a material for die casting is based upon several factors including the density, melting point, strength, corrosion resistance, and cost. The material may also affect the part design. For example, the use of zinc, which is a highly ductile metal, can allow for thinner walls and a better surface finish than many other alloys. The material not only determines the properties of the final casting, but also impacts the machine and tooling. Materials with low melting temperatures, such as zinc alloys, can be die cast in a hot chamber machine. However, materials with a higher melting temperature, such as aluminum and copper alloys, require the use of cold chamber machine. The melting temperature also affects the tooling, as a higher temperature will have a greater adverse effect on the life of the dies.
| Materials | Properties |
| Aluminum alloys | ·Low density |
| ·Good corrosion resistance | |
| ·High thermal and electrical conductivity | |
| ·High dimensional stability | |
| ·Relatively easy to cast | |
| ·Requires use of a cold chamber machine | |
| Copper alloys | ·High strength and toughness |
| ·High corrosion and wear resistance | |
| ·High dimensional stability | |
| ·Highest cost | |
| ·Low die life due to high melting temperature | |
| ·Requires use of a cold chamber machine | |
| Zinc alloys | ·High density |
| ·High ductility | |
| ·Good impact strength | |
| ·Excellent surface smoothness allowing for painting or plating | |
| ·Requires such coating due to susceptibility to corrosion | |
| ·Easiest to cast | |
| ·Can form very thin walls | |
| ·Long die life due to low melting point | |
| ·Use of a hot chamber machine | |
| Advantages: | ·Can produce large parts |
| ·Can form complex shapes | |
| ·High strength parts | |
| ·Very good surface finish and accuracy | |
| ·High production rate | |
| ·Low labor cost | |
| ·Scrap can be recycled |
Die Casting,Aluminum Die Casting,Die Casting Parts,Zinc Die Casting
Ningbo City Yinzhou Ruican Machinery Co.,Ltd , https://www.kstcasting.com