Password lock is a common type of lock we have in life. It has a wide range of uses and is commonly used on bicycles, travel boxes, and home doors. Now many high-end communities, family hotels, second landlords, short-term rental apartments, villas and other areas also use a password lock, but they ......
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Model NO.: WAL1, WAl2, W1, W2 OEM: Acceptable Surface Condition: Black,Cleaned,Polished ......
GO Jiaju Nowadays, We invited the teacher of the plant culture Man Mei, Let her talk to the big guy , What kind of plants will be better at home . As a plant lover who wants to run into the forest to hide, My first reaction was to come to a few pots of green plants. The green plants are bea ......
Since the birth of China's first synthetic diamond in 1963, China's superhard materials and products industry has gone through 40 years of development. Over the past 40 years, the technology and quality of superhard materials and products in China have been continuously improved, the vari ......
Bitter gourd often has blight, anthracnose, powdery mildew and the like. The main pest is the fruit fly. 1. Powdery mildew: In the process of flowering and melon, the leaves are covered with white powder, which causes the leaves to lose green and yellow, causing premature senescence of the plan ......
1. Workpiece structure characteristics and positioning scheme Figure 1 shows the left sliding sleeve on the front left shock absorber of the motorcycle, and the symmetrical one is the right sliding sleeve of the front right shock absorber. The materials are cast aluminum alloy, and their The key di ......
The machine tool guide is the important working surface of the machine tool, the assembly basis of the whole machine tool, and the basis of the machine tool work accuracy. The failure mode is mainly due to the wear and scratch of the working surface of the guide rail, which causes its own loss of fl ......
Large lead screw, worm, spiral spline, etc. all use multi-thread thread to ensure fast transmission. In the turning, the multi-thread thread splitting method has axial line dividing method (percent dial, block gauge branch) , small knife holder scale line) and circumferential line method (hanging t ......
The O-shaped rubber ring is a common sealing ring, and the manufacturing process cannot be separated from the mold. Figure 1, 2 is the mold for making the O-ring rubber ring. In the female and male molds, the key dimension is the diameter of the O-ring (this figure is φ19.2_0~(+0.05)mm) and the ......
A new type of intelligent casting sand multi-mechanical performance testing system is introduced. The test system uses modern advanced testing technology and computer technology to quickly and accurately measure the stress-strain dynamic characteristic curve of the sand sample and the eight mechanic ......