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Application technology of ANJ-F series high efficiency heating riser for casting

Most of the casting alloys, such as cast steel, ductile iron, malleable iron and some non-ferrous all……

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Application of heat insulation riser independently developed by Anaijie New Material Company in casting

Most casting alloys, such as cast steel, ductile iron, malleable iron and some non-ferrous alloys, have a large volume shrinkage during solidification, which will induce the casting to produce shrinkage porosity and shrinkage casting defects. In order to prevent the occurrence of these defects, the feeder is often used for feeding. Before the emergence of high efficiency heat insulation riser, people use the same modeling material as the cast to directly make ordinary riser during modeling, but this riser is only 10% of the metal liquid used to supplement the casting. In order to meet the market demand and improve the feeding efficiency of the riser, the company has successfully developed a series of high efficiency heat insulation riser of different shapes made of special materials and special processes, mainly high efficiency heat insulation riser, heat insulation riser, heat insulation riser, and easy to cut riser.

1: ANF-200X series series of efficient core shooting heating and insulation riser

The 200X core heating and insulation riser is made of a variety of materials (thermal insulation material, heating material, accelerant, thermal insulation material, binder) through a specific process, with high heating, low density, strong thermal insulation characteristics. Suitable for a variety of molding processes, to ensure that the casting solidification has excellent feeding performance.

Perfect raw material and product testing system to ensure good product quality stability.

We can provide use plan according to different production process of customers.

Customized products can be provided according to customer specific requirements.

Calculate the casting modulus, the required feeding liquid amount and feeding distance, and calculate the required riser modulus, liquid amount and quantity.

A large number of user production shows that the time of complete solidification of the iron liquid in the center of the 200X core heating and insulation riser is more than 2 times that of the ordinary riser, and the yield of the riser is increased by 10%-20%

200X core heating and insulation riser is shown as follows:

2: ANJF-100B series high efficiency adsorption heat insulation riser

100B adsorption heat insulation risers by a variety of materials (insulation materials, heating materials, insulation materials, binders) using vacuum adsorption molding process, its low density, strength and toughness is good, suitable for various grades of cast iron, cast steel molding process.

Perfect raw material testing system to ensure product quality stability.

Riser strength increased by 50-70%, less damage during molding.

The riser sleeve has good air permeability, uniform wall thickness and V-shaped cone on the dark riser, which can improve the performance of heat insulation and feeding.

According to the customer's different production process to provide the use of the scheme.

Customized products can be provided according to customer characteristics.

Casting processes using ordinary sand risers usually have low yield and high cleaning costs due to their large contact area with the casting. The chilling effect of ANJF-100B adsorption heat insulation riser is very small, and once the heating reaction is triggered, a large amount of heat is released from the riser sleeve to heat the metal liquid. After the end of the heating reaction, the thermal insulation material of the riser sleeve begins to play an effect to ensure that the solidification time of the metal liquid in the riser is effectively extended.

Compared with the sand riser, the solidification time of ANJF-100B adsorption heat insulation riser is 2.55-2.9 times longer, and the metal liquid used for feeding is reduced by 50-70%, which greatly increases the casting process yield.

Calculate the required riser modulus, fluid volume and quantity. The amount of filling liquid required and the filling distance.

ANJF-100B adsorption heat insulation riser can eliminate the porosity defect that sand riser can not overcome. The use of riser sleeves on automatic molding lines ensures castings of consistent quality.

The 100B adsorption heat insulation riser is shown as follows:

3: ANJF-400D series of high efficiency adsorption thermal insulation riser

The 400D adsorption thermal insulation heating riser is made of a variety of raw materials through a specific process, and has the characteristics of medium-strong heating and excellent thermal insulation. Riser shapes are straight barrel, oval, neck, torticollis and so on. Suitable for medium and large black, colored castings and various grades of cast steel, cast iron, can be applied to a variety of modeling processes. In addition to excellent thermal insulation performance, the necking riser can greatly reduce the cutting and grinding area of the riser and reduce the cleaning cost; In addition to the above two types of riser performance, the torticollared riser can also be equipped with a riser cover, so that you can choose to use open or dark risers. It is mainly used on the inclined surface of castings, such as the smashing wall and crushing wall of high manganese steel crusher.

400D adsorption thermal insulation heating riser has medium strong heating, low density, to ensure excellent feeding performance during casting solidification.

High refractoriness, riser does not rise large deformation. Low gas volume, good air permeability.

Perfect raw material and product testing system to ensure good product quality stability.

According to the customer's different production process to provide the use of the scheme.

Customized products can be provided according to customer characteristics.

Calculate the required riser modulus, fluid volume and quantity. The amount of filling liquid required and the filling distance.

The modulus amplification coefficient of 400D adsorption insulation heating riser can reach 1.55-1.45 (black metal castings) and 1.40-1.25 (non-ferrous alloy castings). ANJF-909(ferrous metal castings) or ANJF-808(non-ferrous alloy castings) should be used at the top of the risers to minimize the heat exchange at the top of the risers to ensure the feeding effect.

400D adsorption thermal insulation heating riser figure:

4: Riser application technology

In the long-term customer service, the technical application department of the company has accumulated a lot of practical experience in riser application, and summed up a set of personalized riser technology solutions.

ANJF series of high efficiency heating and insulation riser for casting has been successfully developed since 2021, and has been widely welcomed by customers after being introduced to the market. At present, it has been widely used in the casting production of automobile, machine tool, internal combustion engine, agricultural machinery, power generation and electricity, mining and metallurgy heavy machine, construction machinery, rail transit, ships and other industries, and has achieved good technical results and economic benefits.

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