xinboke

The aluminum liquid sucked from the electrolytic cell contains various impurities, so it needs to be purified before casting. The industry mainly uses purification methods such as clarification, flux, and gas, and some try directional solidification and filtration methods for purification, and there are some small methods on the Internet， precision casting . 1. Flux purification Flux purification is to use the flux added to the aluminum liquid to form a large number of fine droplets, so that the oxides in the aluminum liquid are wetted, absorbed and dissolved by these droplets, forming new droplets that rise to the surface, and form a float after cooling. The slag is removed. The flux used for purification is composed of salt with low melting point, low density, low surface tension, high activity, and strong adsorption capacity for oxidized slag. When in use, first put a small piece of flux into the iron cage, then insert it into the bottom of the mixing furnace and stir it back and...

1. The working principle is different. The CNC lathe is the rotation of the workpiece, and the CNC milling machine is the rotation of the tool. Lathe refers to a machine tool that mainly uses a turning tool to turn a rotating workpiece. Generally, the turning tool is fixed at a certain position on the machine tool, and the workpiece rotates along the axis under the clamping of the fixture, and is cut when it is close to the knife edge, so it is mainly suitable for processing shafts, discs, sleeves and other workpieces with rotating surfaces. cnc turning service . It is the most widely used type of machine tool in machinery manufacturing and repair factories. Rotating machines such as milling machines and drilling machines are all derived from lathes. 2. Different programming methods. Determined by the working mode, the programming of the CNC lathe only needs to input two coordinates, the milling machine needs to input 3 coordinates, the lathe xy2 axis, most of the circular shaf...

Precision CNC machine tools are processed according to instructions given in digital form. At present, the pulse equivalent of CNC machine tools generally reaches 0.001mm, and the backlash of the feed transmission chain and the lead screw pitch error can be compensated by the CNC device. Therefore, the CNC machine tool can achieve high machining accuracy. Strong adaptability to processing objects When changing the machining parts on the CNC machine tool, you only need to reprogram (replace) the program and input the new program to realize the processing of the new parts. cnc machine service ， This provides a way for single-piece, small-batch production and trial production of new products with complex structures. Great convenience. High degree of automation, low labor intensity The machining of the parts by the CNC machine tool is automatically completed according to the pre-programmed program. The operator does not need to perform complicated repetitive manual operations except...

Nowadays, more and more people pay attention to the quality of sleep. The daily routine is very important, but it is also very important to have a comfortable mattress. There are more and more mattress brands on the market, so how to choose? What kind of mattress is comfortable to sleep on, let me share some tips about mattresses for everyone. There are many types of mattresses. From the structure point of view, they can be divided into three categories: sponge mattresses, traditional spring mattresses, and independent bucket spring mattresses; from the material point of view, they can be divided into four categories: spring beds Mattresses, palm mattresses, latex mattresses, air mattresses. First look at the modern palm mattress: it is made of mountain palm or coconut palm with modern adhesive. It has the characteristics of environmental protection. Water mattress: It can use the principle of buoyancy and has the characteristics of buoyant sleep, dynamic sleep, warm in winter a...

1. Spring mattress The air permeability of spring mattresses is better, and the price is relatively affordable, which is very suitable for the needs of low and medium consumers. When purchasing, pay attention to the covering fabric of the mattress and the quality of sewing, which also affects the performance of the mattress. One of the elements. 2. Brown mattress Compared with other mattresses, the palm mattress is harder. It is moisture-proof and has better permeability. In addition, the palm mattress has used super high health care functions, which is very suitable for elderly friends who like to sleep harder. Environmental protection and durability are also a major feature of palm mattresses. 3. Latex mattress Latex mattresses are made of natural latex. factory direct mattress Mattresses made of latex are very flexible and, most importantly, can meet the needs of people of different weights. It is suitable for various sleeping postures, can correct people with poor sleeping ...

Let's take a look at what kind of mattress is suitable for middle-aged people to sleep? Choosing to buy a hard mattress can be a good treatment for low back pain, and it can also prevent low back pain for people who do not have low back pain. People are prone to symptoms of low back pain after middle age. The cause of low back pain is bone hyperplasia and soft tissue strain and hypertrophy. The nerves are stimulated and compressed and cause low back pain, so middle-aged people who want to prevent low back pain must choose a harder mattress when choosing a mattress. What kind of mattress is good? However, many people who do not understand the effects of hard mattresses will think that this kind of hard mattress will only add pain to middle-aged people invisibly. This is not unreasonable. The stability of a hard bed is good, but the pressure on human tissue is too severe, so when patients with low back pain sleep on a hard bed, it is best to put some cotton pads to protect their bo...

The first is the issue of paper compatibility. Generally, inkjet printers can be compatible with many types of paper, including but not limited to: printing paper, envelopes, photo paper, CD cover paper, etc. You can use anything you want, even high-end ones. All of them can be printed directly on some physical objects. However, because the consumables of laser printers are mainly toner, they are basically only suitable for ordinary paper, because if you change to special paper (photo) with low surface friction and adhesion, the toner may not hang, and it may fall off. Relatively narrow. The second is the issue of clarity. Inkjet printers are much stronger than laser printers. The printing resolution of the laser printer is too low, and the printed pattern has very serious dot matrix features (similar to the dot matrix with low-end tempered film attached to the mobile phone). blue film inkjet printer If you look closely, you can see each pixel; here Inkjet printers are very advanta...