• 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 (...

• 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...

• 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...

• August 26, 2021

The fire sprinkler system is a kind of fire extinguishing device, and it is a kind of fixed fire protection facility that is widely used. It has the characteristics of low price and high fire extinguishing efficiency. According to different functions, it can be divided into two forms: manual control and automatic control. The system is equipped with an alarm device, which can automatically send an...

• September 27, 2021

Daily maintenance 1、Check the air cylinders, gas circuits and valves for leaks and eliminate them in time. 2、Clean the contact surfaces of moving parts at any time during work and add lubricating oil, such as guide sleeves and guide posts everywhere. 3、Lubricating oil filling cycle for the sliding sleeve and the lifting sliding sleeve of the box: every shift/time. 4、Frequently check whether the fa...

• October 19, 2021

50kg Ball Sand Mixer is a small-sized spherical sand mixing device with a spherical rotating throwing and falling back type. It is used for gravity casting or mixing of small and large batches of core sand. Its working principle is to quickly mix quartz sand, curing agent, and resin into casting core sand. Through the core-making equipment, high-quality sand cores with smooth surface, small gas ge...