China Casting
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A introduction to Sand casting
https://www.bonlycasting.com/uploads/表面处理视屏.mp4 Clay molds were used in ancient China since the Shang Dynasty (c. 1600 to 1046 BC). The famous Houmuwu ding (c. 1300 BC) was made using clay molding. The Assyrian king Sennacherib (704–681 BC) cast massive bronzes of up to 30 tonnes, and clai...Read more -
A Introduction to Cast Iron
https://www.bonlycasting.com/uploads/视频4.mp4 Cast iron is a group of iron-carbon alloys with a carbon content greater than 2%. Its usefulness derives from its relatively low melting temperature. The alloy constituents affect its colour when fractured: white cast iron h...Read more -
A brief introduction to Ductile iron
https://www.bonlycasting.com/uploads/视频3.mp4 Ductile iron is a high-strength cast iron material developed in the 1950s. Its comprehensive properties are close to that of steel. Based on its excellent properties, it has been successfully used to some castings with high performance requirements...Read more -
Valve Industry Standard Code Summar
https://www.bonlycasting.com/uploads/视频2.mp4 Valve Industry Standard Code Summar China Valve Standard Code GB National standard JC National Building Material Administration Standard MT Coal Industry Standard JB/Z (Original) Guiding Document of the Ministry of Machinery Industry...Read more -
3D Printing Precision Casting Applications
https://www.bonlycasting.com/uploads/22.mp4 Lost foam casting is a process that belongs to precision casting, also known as gasification casting, solid casting, and cavityless casting. The dimensional accuracy of this process is up to 0.2mm, and the surface roughness can reach Ra5μm ~ Ra6μm. Los...Read more -
Valve Industry Standard Code Summary
https://www.bonlycasting.com/uploads/b32774aab8a012c7db26ff88d108dcc5.mp4 Valve industry standard code summary China Valve standard code GB National standard JC National Building Material Administration Standard MT Coal Industry Standard JB/Z (Original) Guiding Document ...Read more -
The meaning of CF8 / CF8M on the valve body
https://www.bonlycasting.com/uploads/221b79fe85cb939a7958e5fc878542bc.mp4 We may often see some letters or numbers on the valve body, and friends who are not familiar with the valve may be confused by these letters and numbers. As long as you study for a time,you will find these letters and numbe...Read more -
Knowledge Summary of Common Problems in Precision Casting Technology
Industrial technology mainly involves smelting, casting, forging, welding, heat treatment, physical and chemical testing, etc., supplemented by knowledge of mechanical processing and computer design. Most people now know that stainless steel precision casting, also known as investment casting wa...Read more -
The sprits of Bonly People
Nowadays, the temperature in Hangzhou City is raising higher and higher. People around me always complain that they are almost melted by the high temperature. However, 35 degrees to 40 degrees is not such a high temperature on my mind! If they have been to the workshops of our foundry, they will ...Read more -
Types and applications of precision forging technology
Precision forging forming technology refers to the forming technology of mechanical components that requires little or no processing after the parts are formed. In production practice, people are used to divide the precision forging forming technology into: cold precision forging forming, hot pre...Read more -
Do you know the top ten casting processes?
Casting classification: (1) Sand casting: producing castings in sand casting. Steel, iron and most non-ferrous alloy castings can be obtained by sand casting. Sand casting process technical characteristics: 1. Suitable for making blanks with complex shapes, especially with complex inner cavities;...Read more -
Foundry sand
Foundry sand is used as a granular refractory material for molding sand and core sand in foundry production. In the case of using clay as a molding sand bond, for every ton of qualified castings produced, it is necessary to add 1 ton of new sand. Therefore, a largest amount of foundry sand is...Read more -
Celebration for the May Day / Advanced Commendation Conference
International Labor Day or May Day, is Labor Day in most countries in the world. The festival originated from the workers ‘strike in Chicago, USA. In commemoration of this great workers’ movement, the 1889 International Convention for the Establishment of the Second International an...Read more -
U.S. state sue China again
On 22 Apr, Attorney General of Mississippi, sue china and announced that China should also pay for the economic loss of Mississippi under harm of the new crown pneumonia, which will make it the second state of U.S. that plan to prosecute China. In response, Geng Shuang, the Chinese Foreign Affa...Read more -
Mobilization meeting of Bonlycasting
At present, China has won a great battle with the new coronavirus-infected pneumonia (NCP). But for the epidemic, the current primary work and tasks of all of us are: be careful of embankments, prevent recurrence, continue to fight against viruses, race against time, and resolutely prevent ...Read more -
An introduction to Fuyang
Fuyang was called Fuchun in ancient times. It is a district under the jurisdiction of Hangzhou, Zhejiang Province. It is located in the southwest of Hangzhou and is a city with a long history. Fuyang is located in the hills, with a long history and profound cultural heritage. It was located in 2...Read more -
Ion exchange method
Ion exchange method for silica sol precision casting. The cation exchange resin uses strong acid styrene cation exchange resin; the anion exchange tree refers to the weak basic styrene anion exchange resin. Ion exchange is an equilibrium reaction. The process of the reaction is that when a silic...Read more -
Automobile industry &Casting indurstry
Automobile castings are one of the main downstream industries of China’s automobile manufacturing industry. About 10.5% of the parts of a complete vehicle are iron castings and 6.4% aluminum castings. These castings are not only large in quantity, but also have high quality requirem...Read more -
Research on Butterfly Butterfly
The butterfly plate is the core part of the butterfly valve equipment, which can open, close and adjust the fluid flow by rotating around its own axis in the valve body. The traditional butterfly board is thick and heavy, and consumes a lot of materials. With the increasing shortage of met...Read more -
Precision Casting
In order to respond to the call of national green manufacturing and meet its own needs for the transformation and upgrading of upstream industrial chain, the company’s main business involves the research and development of metal materials, metal casting, precision processing and precision m...Read more -
Classification of Vavle
The valve has a wide range of uses and types, which can be generally divided into two types: 1. automatic valve: a valve that operates by itself depending on the capacity of the medium (liquid and gas). Such as check valve, safety valve, regulating valve, drain valve, pressure reducing valve, et...Read more -
General situation of investment casting
1、 General situation of precision casting Precision casting is the general term of precision casting technology. Precision casting is a kind of metal forming object obtained by the method of precision casting, that is, by pouring molten liquid into the prepared casting mold through po...Read more -
Research and practice of cleaner production in precision casting of Bonly casting Co.,Ltd
China is a big foundry country in the world, but the current situation of high energy consumption, heavy pollution and poor economic benefits in China’s foundry industry is still far behind the foundry industry. Therefore, how to reduce the energy and resource consumption of castings, imp...Read more -
Characteristics Of Four Shell Making Processes In Precision Casting
1、 Water glass shell This process has been produced in China for nearly 50 years. After half a century of unremitting efforts of colleagues in the investment casting industry, the application and research of water glass shell technology has reached a high level. Over the years, the stre...Read more -
The development of foundry enterprises needs a long-term goal
In the development of foundry enterprises, foundry enterprises should continuously improve the development mechanism and state. The most improtant is that foundry enterprises should keep up with the trend of the continuous development of social environment. First of all, enterprises themselves ...Read more -
Characteristics of four shell making processes in precision casting
1、 Water glass shell This process has been produced in China for nearly 50 years. After half a century of unremitting efforts of colleagues in the investment casting industry, the application and research of water glass shell technology has reached a high level. Over the years, the strength o...Read more -
Characteristics of precision gravity casting industry
Investment casting, also known as lost wax casting, is commonly used in precision gravity casting: select appropriate investment materials (such as paraffin) to make investment mold; repeatedly immerse refractory coating on the investment mold, sprinkle refractory sand, make the mold shell ha...Read more -
The 14th China (Beijing) International Foundry Exhibition 2020
Product trade, Summit Forum, market development, brand promotion, joint performance! Exhibition time: October 14-16, 2020 Venue: China International Exhibition Center (Tianzhu Museum) ■ Exhibition introduction: China (Beijing) International Casting Exhibition (CIFE) is one of the most influentia...Read more -
Technological process
With the development of science and technology and the vigorous development of foundry industry, different foundry methods have different mold preparation contents. Taking the most widely used sand mold casting as an example, mold preparation includes two major tasks: modeling material preparatio...Read more -
The world’s largest iron Buddha head
Located in the southwestern corner of the city, Dayun temple, ordered by Wu Zetian(The only female emperor in Chinese history), was built during the Zhenguan period of the Tang dynasty. It was rebuilt in the 54th year of the reign of emperor kangxi (1715) due to an earthquake. In 690, the empress...Read more -
A simple introduction of the development of China Casting
At around 1700 ~ 1000 BC, China had entered the heyday of bronze casting and had reached a high level in casting technology. Casting is a process where a solid metal is melted into a liquid and poured into a specific shape of a mold to be solidified. Cast metal usually refer to cop...Read more -
The 15th China international
The 15th China international die-casting conference & the 6th China nonferrous alloy and special casting technology seminar will be hold in Shanghai in July. Time:July 15-17, 2020 Place: N2 pavilion ,M42 meeting room ,Shanghai new international expo center The theme:Innovative development and...Read more -
Fight the epidemic. We’re here!
Fight the epidemic. We’re here! The virus was first reported in late December. It is believed to have spread to humans from wild animals sold at a market in Wuhan, a city in central China. China set a record in identifying the pathogen in a short time following the outbreak of the c...Read more