E-mail: dongrun@dongruncasting.com

News

No image found.
How to do bellhousing by cast aluminum
No image found.
The injection speed is directly affected by the pressure, and together with the pressure, it plays an important role in the internal quality, surface quality, and contour clarity of the casting. In p…
No image found.
How to make Transmission oil Pans by casting
No image found.
How to do mirror polishing of aluminum castings
No image found.
The processing technology of aluminum alloy die-casting​ mirror glass should meet two requirements: the plate itself should achieve the actual effect of mirror glass; The air oxide film on the surf…
No image found.
Summary of main causes for surface defects of cast alloy die castings: undercosting, cold shut, peeling, bubbles, flyer, slag inclusion, porosity, strain, hot cracking, hot brittleness, depression, e…
No image found.
Casting is the process of casting parts with required shape and performance by pouring molten metal liquid into the mold and cooling and solidification. Casting is a commonly used manufacturing metho…
No image found.
What are the steps of wax injection process in dewaxing casting? Die casting dewaxing casting is one of the glass manufacturing processes. The main process is to heat the glass to a high temperature …
No image found.
Sand casting and investment casting are the two most widely used casting processes in the casting industry. What are their process methods and their respective advantages and disadvantages?
No image found.
The basic raw materials for making sand molds are foundry sand and molding sand binder. The most commonly used foundry sand is siliceous sand. When the high temperature performance of silica sand can…
No image found.
Aluminum alloy die-casting products are mainly used in electronics, automobiles, motors, home appliances and some communication industries. Some high-quality aluminum alloy products with high perform…
No image found.
In the production process of aluminum alloy castings, porosity defects often occur due to improper operation or unskilled craftsmanship. Once pores appear, castings are often scrapped due to quality …
No image found.
The draft angle of die casting process refers to the taper or slope in the vertical direction of the casting. The surface of the die casting piece perpendicular to the parting line of the die needs t…
No image found.
However, many common casting defects may exist during the production process of investment casting. Based on our engineering experience and advanced equipment, we can find ways to prevent such proble…
No image found.
The continuous development of numerical control and computer technology, so that they are in many mold processing methods to be widely used.
No image found.
It is important to realize thin-walled die casting in the fields of aerospace, automotive, electronics, etc. High pressure die casting, low pressure die casting and differential pressure die casting …
No image found.
Sand casting, as its name implies, uses sand mold as the basic mold to form the required castings after pouring metal solution. At present, iron, steel and many non-ferrous metals can be obtained by …