What are the characteristics and advantages of extension springs?
The working principle of extension springs is exactly the opposite of compression springs. Compression springs have a reverse effect when there is pressure, while extension springs have a reverse effect when stretched. When the tension spring is pulled back, the spring wants to pull back, which creates a force.
How to correctly select materials for automatic laminating machine
The automatic laminating machine generally includes three parts: gluing, drying and hot pressing. This machine has a wide range of use and stable and reliable processing performance. It is currently a very widely used laminating equipment. The advantages of the automatic laminating machine are that there is no gluing and drying part, small size, low cost and flexible and convenient operation.
How to match the decorative style of the retractable Awnings
Various types of duplex rooms are increasing with the increase of the area of modern rooms. For the decoration of the retractable Awnings outside the room, people pay more attention to its coordination role in the entire outdoor decoration while satisfying its use functions. Below, let us take a look at the matching style of the retractable Awnings.
Plum blossom type elastic coupling
Plum-shaped elastic coupling is a kind of high-speed miniature coupling product among coupling parts. Because of its simple processing technology and low price, it is deeply loved by new and old customers. Whether the coupling transmission parts need to be processed by precision machine tools depends mainly on the working environment.
The common use of O-rings is due to its many advantages. In summary, there are 8 advantages of O-rings. Each of these advantages expands the scope of application of O-rings. Then there are 8 advantages. Hi-tech rubber and plastic insulation board will analyze one by one for everyone;
Two things to pay attention to when connecting pvc drainage pipes
The length of the saw pipe is determined layer by layer according to actual measurement and combined with the size of each connecting pipe. Saw pipe tools should use fine-tooth saws, cutters and pipe cutters. The fracture should be flat and there should be no deformation at the cross section.
How to control the cost of container house
The emergence of container houses helped many people who could not afford or rent commercial houses to solve their daily housing problems, and its high quality and low price advantages made it quickly occupy the market. Many people will be curious about where they will be used.
Dustproof and waterproof of electric chain hoist
The distance between the upper and lower hooks of some ultra-low chain electric hoists is too small, which is very suitable for places with strict requirements on the lifting height. The chain of the Electric Chain hoist is generally equipped with a chain belt, so that the Electric Chain hoist can look neat and beautiful.
Polishing knowledge about floor polishing wax
Floor polishing wax can actually be used in products with higher surrounding hardness. Polishing wax is mainly used in furniture, car phone shells and cell phone watch shells. The following briefly describes some relevant knowledge of polishing wax.
ntc thermistor suitable for substrate
In recent years, as the demand for miniaturization of electronic equipment has increased, electronic components such as NTC thermistors embedded in substrates with built-in components are becoming smaller and thinner. It will be placed on a substrate with built-in components, filled with insulating resin and embedded in the substrate.