1. Composition design In order to understand the influence of vanadium, titanium, carbon and silicon content on the microstructure and […]
Open riser empty shell pouring can effectively solve the problem of casting crack. The occurrence of casting cracks in the
With the progress of science and technology, green sand casting technology has made great progress, but there are some problems
There is no aluminum alloy brand equivalent to d357 alloy in sand casting aluminum alloy materials in China, and the
The thermal fatigue resistance of gray cast iron can be characterized by its tensile strength at corresponding temperature, which has
China produces more than 30 million tons of foundry used sand every year, and some large foundry enterprises discharge more
ZHY casting’s senior engineer team was lucky to participate in the preparation of a new lost steam Steelcasting production line.
(1) Sand casting process: it is a casting system composed of molding, core making, drying, mold closing, pouring, sand dropping,
The cylinder heads of high-speed and heavy-duty marine diesel engines are mostly high toughness ductile iron (see Figure). The cooling
1. Tensile strength test The experimental results of tensile strength of samples after different high temperature oxidation cycles are shown
At present, organic binders are widely used in the casting industry, with many advantages, such as large production output, low
(1) What is the lost foam casting process: the lost foam casting process is called full mold casting and vaporization
Confirmation of the main factors affecting the casting process deformation defects of bed castings, track and observe the actual production
The design and selection of mold materials is something that mold designers must carefully consider, so that the materials can
1. High temperature oxidation cycle test The size shall be 30 mm in a muffle furnace × 30 mm ×
Nodular cast iron has high mechanical properties, good sand casting performance, good fluidity, no hot crack tendency, shrinkage and high
Among all the components of water-based lost foam casting coating for cast iron, refractory aggregate is the main part. The
A base is an important part of 430 vertical milling machine of a machine tool Co., Ltd. It is made
The output shaft shell is wind power, large agricultural equipment Transmission shaft of mechanical equipment such as truck and elevator
Sand mold casting process design is the core task of mold design. No matter how good the material, surface quality
Gray cast iron is a common material for the production of ingot mold, chassis, sintering grate and industrial valves. Its
The casting seat part material is zg310 – 570, which belongs to casting alloy steel. The material has good mechanical
1. Water based lost foam casting coating test materials Bauxite: the main mineral composition is mullite, which has the advantages
The fire-resistant coating for lost foam casting includes refractory aggregate, carrier (solvent), suspending agent, binder and other additives. ① Refractory
There are many kinds of defects in heat treatment, and the causes are various. The causes of defects in heat
Heat treatment is an important process method to obtain the service performance of casting parts to meet the needs of
With the joint unremitting efforts of sand casting process design engineers and mold practitioners, after years of continuous development, the
The samples of gray cast iron were treated by isothermal quenching and boronizing. The isothermal quenching process of gray cast
In the actual production of castings, there will be many defects, so the design and optimization of casting process scheme
Lost foam casting technology is known as “casting technology in the 21st century” and “green revolution of casting industry”, which
