Improvement of impeller casting process
The production difficulty of impeller mainly lies in the whole molding process. Using traditional casting technology, it is difficult to […]
The production difficulty of impeller mainly lies in the whole molding process. Using traditional casting technology, it is difficult to […]
According to the foundry process CAD system developed by the laboratory, the foundry process design is carried out. It is
Take the valve body as an example to briefly introduce the casting process design. 1.Selection of pouring position and parting
Titanium and titanium alloy have many excellent properties, such as low density, high specific strength, corrosion resistance, small linear expansion
Since the 12th Five Year Plan, China’s foundry industry has continued to develop steadily, but its growth rate has slowed
The shape and size of core head have a great influence on the processability and stability of core in mold
Attention shall be paid to the following items when purchasing casting coating: (1) Different materials of castings correspond to different
In the production process of nodular cast iron, a certain amount of additives should be added to the molten iron
The key technical indexes of casting coating have great influence on the quality of casting, as follows. Influencing factors of
Generally, for a qualified casting coating product, in order to ensure the normal realization of the function of the casting
Oxygen and sulfur are the main surface active elements, which have an important influence on the change of graphite base
The first step of casting production is to determine the casting process plan and draw the casting process diagram according
For the application of casting coating, brush coating, dip coating, flow coating and spraying methods shall be selected according to
Casting coating is one of the indispensable raw and auxiliary materials in the casting process, which has a significant impact
For the same casting, the pouring time is different when the pouring speed is different. If the pouring speed is
Pouring temperature is the temperature at which the liquid metal enters the gate. If the pouring temperature is too high,
1 Inspection for fleshy defects of castings The contour of the two blanks is clear, and there is no obvious
The black area is the casting part, which is divided into two parts: embedded box and casting. The embedding process
EPC is divided into white area, yellow area and black area, and each part is closely linked and highly related.
Dimensional tolerance of castings refers to the difference between two allowable limit dimensions of nominal dimensions of castings. Within two
Production conditions, structure and technical requirements of fixture Product production nature – mass production Part material – 35Cr The part
In casting production, mold is very important. All kinds of process knowledge we talked about before should be included in
Using riser, chill and cast steel bar to obtain high quality castings is a common technological measure in foundry production.
(1) According to the position of the choke section A closed gating system The closed gating system refers to the
Gating system design: 1.Design of sprue cup (1) Sprue cup shape The shape of sprue cup can be divided into
1.Casting shrinkage There are many factors that affect the casting shrinkage, such as the type and composition of the alloy,
Casting features: 1.Casting has a wide range of adaptability, great flexibility, product requirements and various working conditions. It can manufacture
1.Improve the structure of boss, flange and rib plate that hinder the lifting The boss (LAP), flange, rib plate, etc.
There are many advantages as a result of the technology Foam Lost, not to mention just a few: – Energy
In this technology, is a stock made from foamed polystyrene (EPS). Foaming of the polystyrene out not only to patrons