High-Quality Rear Frame Castings from China Suppliers | Advanced Factory Production with Vacuum Method
Manufacturing technique |
Automatic molding of clay sand |
Material |
QT600-3,QT600-6,QT650-5,QT650-6,QT700-5, QT700-10,GQT800-5 |
Weight range |
2kg-200kg |
Surface Treatment |
Shot blasting,Polish,Rust prevention treatment |
OEM |
Yes |
Producing area |
Shandong province,China |
Production Capacity |
An annual output of 40,000 tons |
Product Introduction
The operation is further enhanced by the inclusion of two blast furnaces, which play a crucial role in ensuring the quality of the molten iron used in the casting process. The high-purity molten iron produced by these furnaces is a key factor in achieving castings with few porosity issues. This high level of purity contributes to the overall compaction of the product, resulting in counterweights that are dense and robust.
Moreover, the smooth surface of the castings is a standout feature of this advanced production method. The vacuum process, coupled with the use of high-quality molten iron, ensures that the final products exhibit a refined and uniform finish. This smooth surface is not just an aesthetic benefit but also a critical factor in enhancing the performance and durability of the counterweights in various applications.
The refined finish achieved through this production method also facilitates easier post-processing, such as machining, coating, or painting, if required. This can lead to additional cost savings and efficiency in the manufacturing process, as less time and effort are needed to prepare the castings for their final use.
In summary, the production of counterweights using the vacuum method, supported by two blast furnaces, results in high-quality castings characterized by minimal porosity, high compaction, and a smooth surface. This efficient and effective production process, housed in a 100,000 square meter facility, underscores the commitment to excellence and the ability to meet substantial annual production targets.
Frequently Asked Questions
Q How do the two blast furnaces improve the quality of the counterweights?
The two blast furnaces ensure the quality of the molten iron by producing high-purity molten iron. This high purity is a key factor in achieving castings with minimal porosity, resulting in dense and robust counterweights.
Q What are the benefits of using the vacuum method in production?
The vacuum process, combined with high-quality molten iron, ensures that the final castings exhibit a refined, uniform, and smooth surface finish, which enhances overall product performance and durability.
Q Why is the smooth surface of the castings important?
Beyond its aesthetic appeal, the smooth surface is critical for improving the performance and durability of the counterweights in various applications. It also facilitates easier post-processing.
Q How does this production method lead to cost savings?
Because the castings have a refined finish, post-processing steps such as machining, coating, or painting require less time and effort. This increases manufacturing efficiency and leads to additional cost savings.
Q What is the scale and capacity of the manufacturing facility?
The entire production process is housed in a large 100,000 square meter facility, which supports the capabilities needed to meet substantial annual production targets.
Shipping & Warehousing


Transportation and payment information
1 |
Accepted delivery terms |
EXW,FOB,FCA,CRF,CIF,CPT,DDP |
2 |
Accepted payment currencies |
CNY,USD,GBP,EUR,JPY |
3 |
Accepted payment types |
T/T,L/C,D/P,D/A |







