• June 03, 2021

At present, more than 80% of copper in the world is made by fire method, and it is mainly used to process copper sulfide ore. Pyrometallurgy is to melt copper ore (or calcine, agglomerate, etc.) and flux at high temperature, or directly smelt into blister copper, or first smelt into matte (melt mainly composed of copper, iron and sulfur) Then smelt into blister copper. Except for some operations (...

• July 20, 2021

The valve body is one of the main parts of the valve; there are different mechanical manufacturing methods according to the pressure level. For example: casting, forging, etc. The definition of "valve" is a device used to control the direction, pressure, and flow of fluid in a fluid system. A valve is a device that allows the medium (liquid, gas, powder) in the piping and equipment to flow or stop...

• August 24, 2021

SS304 is better. There are several reasons below that: 1.The hardness of stainless steel faucet is higher than that of all-copper. The service life of stainless steel faucet is longer than that of all-copper faucet. It does not need to change the faucet frequently, which is more environmentally friendly. 2.Stainless steel faucets do not contain lead, are resistant to acid and alkali, and are not e...

• November 09, 2021

Abrasive Belt Polishing Machine This equipment is widely used in plumbing and bathroom brass casting, door control hardware, fire hydrants, auto parts and other appearance intelligent and efficient polishing and polishing. Novel design, simple operation, intelligent and efficient production. Belt grinding is a kind of elastic grinding, so belt grinding is a composite processing technology with mul...

• November 23, 2021

Injection molding machine is also known as injection molding machine or injection machine. It is the main molding equipment for making thermoplastic or thermosetting materials into various shapes of plastic products using plastic molding molds. According to the arrangement of the injection device and the clamping device, the injection molding machine can be divided into vertical, horizontal and ve...

• November 30, 2021

The working principle of the injection molding machine is similar to the syringe used for injection. It uses the thrust of the screw (or plunger) to inject the plasticized plastic in the molten state (that is, the viscous fluid state) into the closed mold cavity. The process of obtaining the product after curing and shaping. Injection molding is a cyclic process, each cycle mainly includes: quanti...

• March 14, 2022

The polishing machine is a power tool, and the polishing machine consists of basic elements such as a base, a throwing disc, a polishing fabric, a polishing cover and a cover. The motor is fixed on the base, and the taper sleeve for fixing the polishing disc is connected with the motor shaft through screws. The polishing fabric is fastened on the polishing disc through the ferrule. After the motor...

• May 06, 2022

The core-making method in which the sand core is rapidly hardened in the core box by blowing air at room temperature is called the cold core box method. The core-making method in which the sand core is rapidly hardened in the core box by blowing air at room temperature is called the cold core box method. Cold core box method includes: blowing amine cold core box method, SO2 cold core box method, a...