• November 24, 2020

A Ball Valve is a quarter turn valve which can be opened or closed by applying pressure on the hollow and pivoting ball inserted into void opening. It is usually used as a switch that can control and direct the flow of fluids (including air, water, gas, oil etc.). When the hole in the ball is aligned to the flow, it is open and closed when it is perpendicular. Automatic brass ball machine carries ...

• November 30, 2020

To cast a metal means to shape it by melting it then pouring it into a mold. As the metal cools and solidifies, it adopts the shape of the mold that surrounds it, and once it is completely cool it can be withdrawn. When they want to make cast aluminum products, manufacturers can choose between several methods. One of these is called die casting. In die casting, the manufacturer melts the aluminum ...

• January 20, 2021

Brass bars are rod-shaped objects made of copper and zinc alloys. They are named for their yellow color. Brass has good mechanical and wearing resistance, and can be used to manufacture precision instruments, ship parts, shell of guns, etc. Our machine could cut many kinds of products. DN32,DN50,DN60 etc. More information, welcome to contact D&S Automatic Co.,Ltd.

• January 26, 2021

Traditional faucets are made of brass. The process flow is as follows: copper ingot→dissolving→casting→cleaning after casting→casting inspection→machining→tolerance inspection→grinding→surface inspection→plating→plating inspection→assembly→pressure test→ Finished product inspection → packaging → delivery. There are a total of 16 processes, and each process is strictly controlled to ensure quality....

• April 09, 2021

Gravity casting refers to the process of injecting molten metal into a mold under the action of the earth's gravity, also known as casting. The generalized gravity casting includes sand casting, metal casting, investment casting, lost foam casting, mud casting, etc.; the narrow gravity casting specifically refers to metal casting. The molten metal is generally poured into the gate manually, and th...

• 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 (...

• June 30, 2021

When buying a single-handle basin faucet, you should pay attention to the diameter of the spout. Most of the water in the market belongs to the hard pipe, so you should pay attention to the height of the upper spout. It is most suitable to go down from the basin to 35 work points. During installation, a special angle valve must be selected, and the angle valve must be fixed to the hot and cold wat...

• July 07, 2021

Brass is a copper alloy with zinc as the main alloying element. According to its chemical composition, brass is divided into two types: ordinary copper and special brass. (1)Ordinary brass is a binary alloy of copper and zinc. Due to its good plasticity, it is suitable for manufacturing plates, bars, wires, pipes and deep-drawn parts, such as condenser tubes, radiator tubes, and mechanical and ele...