| Machinery |
Part name |
Material |
Process |
Technical advantages |
| Farm Machinery Tractor parts |
Steering arm |
Carbon steel |
Lost wax casting |
Lost wax casting process, using silica sol in the pre-process, good product surface quality, less mold cost, and small quatity production. |
Commercial Cehicle
Clutch parts |
Release bearing housing |
Carbon steel |
Lost wax casting |
Agricultral Machinery
Seeder parts |
Seeder template frame |
Carbon steel |
Lost wax casting |
Qingdao Starise Metal Technology Co., Ltd. is an industry and trade integration enterprise focusing on the research and development, production and global trade of precision casting parts. Relying on the holding factory Pingdu Sanxing Precision Casting Co., LTD. (founded in 1996), the company has been deeply engaged in the industry for 30 years, with 47,000 square meters of modern production base (including 10,000 square meters of high-standard production workshop), with an annual production capacity of more than 30,000 tons of precision steel castings, products are exported to Europe, America, Asia and other more than 20 countries and regions.
Our History:
1. Founding Period (1995-1998):
Established in 1996 in Pingdu City, Qingdao, China, the company initially focused on delivering high-quality precision casting solutions for the agricultural machinery and automotive axle industries. During this phase, it primarily manufactured small-scale precision castings using traditional silica gel precision casting technology.
2. Technological Accumulation and Expansion (1998-2014):
In 1998, the company introduced advanced investment casting and sand casting technologies, enabling the production of medium and large-scale precision castings. In 2006, it successfully obtained ISO9001 certification, ensuring consistent quality and reliability in its casting products. Between 2009 and 2014, the company significantly expanded its production facilities, added multiple new production lines, and adopted efficient casting processes, thereby enhancing its production capacity to meet the demands of diverse, multi-batch, and customized product manufacturing.
3. Brand Marketing (2016-2020):
In 2016, the company began prioritizing brand building by actively participating in domestic and international industry exhibitions to enhance brand recognition. In 2017, it expanded its global market presence and established long-term cooperative relationships with overseas customers. By 2020, the company had successfully developed multiple patented technologies, further improving product precision and quality.
4. Technological Innovation and Sustainable Development (2018-2024):
In 2018, the company invested in establishing a dedicated research and development center focused on the exploration of new materials and processes. In 2019, it developed an environmentally friendly precision casting process that effectively reduced pollution emissions during production while significantly improving the quality of surface and internal defects in castings. In 2020, the company was officially recognized as a national high-tech enterprise, underscoring its achievements in technological innovation.
5. Intelligent Manufacturing and Future Vision: In response to the challenges posed by the global pandemic in 2019, the company swiftly adjusted its market strategy, strengthening online marketing and service capabilities to ensure stable business growth. In 2021, it launched an intelligent manufacturing initiative, integrating automation and information technology to enhance production efficiency and management capabilities.
6. Looking Ahead: The company remains committed to its innovation-driven development philosophy, striving to secure a leading position in the global precision casting industry.
Investment casting is a highly sophisticated and intricate manufacturing process renowned for its ability to produce high precision metal components. Whether it's for aerospace, automotive, medical, or various other industries, this process offers unparalleled accuracy and quality. Here are the detailed and refined basic steps involved in the investment casting process, which can help you better understand how these remarkable components come to life.
1. Wax Pattern Creation
The investment casting journey commences with the meticulous creation of wax patterns. Highly skilled artisans carefully inject premium wax material into precisely engineered aluminum molds. These molds are designed to replicate the exact shape and dimensions of the final product with remarkable precision. The resulting wax model serves as the fundamental blueprint and foundation for the entire subsequent casting process. It's crucial to note that the quality and accuracy of the wax pattern directly impact the final outcome of the metal component.
2. Assembly
In the assembly stage, the individually crafted wax patterns are meticulously and carefully attached to a central wax sprue. This assembly is commonly referred to as a pattern assembly or a wax tree. The central sprue plays an indispensable and pivotal role as it will act as the essential channel through which the molten metal will eventually flow, filling the intricately shaped cavities of the wax patterns. This step requires great attention to detail to ensure proper alignment and secure attachment of the wax patterns to the sprue.
3. Shell Building
Once the pattern assembly is complete, it's time to embark on the transformative shell-building stage. In this complex and delicate step, the pattern assembly is repeatedly dipped into a high-quality ceramic slurry. Multiple layers of refractory materials are gradually applied, but it's of utmost importance to ensure that each layer is completely dry before adding the next one. This painstaking process results in the creation of a robust, durable, and thick ceramic shell that envelops the delicate wax patterns, providing the necessary structure and protection for the subsequent steps.
4. Dewaxing
After the ceramic shell has been fully formed, the critical step of dewaxing comes into play. The entire assembly, now encased within the ceramic shell, is placed into a specialized furnace and subjected to high temperatures. This heating process causes the wax inside the ceramic shell to melt and drain out, which is why investment casting is also commonly known as "lost-wax casting." The end result is a hollow ceramic mold with precisely defined cavities that are an exact replica of the original wax patterns, ready to receive the molten metal.
5. Burnout/Preheating
Following the dewaxing process, the ceramic mold undergoes a burnout stage, during which it is exposed to extremely high temperatures. This burnout process serves several important purposes. It ensures that any residual wax is completely removed from the mold, hardens the ceramic structure, and prepares the mold for the upcoming pouring process. Preheating the mold is essential as it helps the molten metal flow more smoothly and fill the cavities evenly, reducing the risk of defects. Once the preheating is complete, the mold is in the optimal condition to receive the molten metal.
6. Pouring
The pouring step is the core and most crucial part of the entire investment casting process. Molten metal, carefully selected to meet the specific metal grade requirements of the component, is meticulously poured into the preheated ceramic mold. The metal flows rapidly into the intricately shaped cavities, filling every corner and crevice of the mold. As the molten metal cools and solidifies within the mold, it takes on the exact shape and dimensions of the original wax patterns, bringing the desired metal component to life. Precise control of the pouring process is essential to ensure the quality and integrity of the final product.
7. Shell Removal
Once the metal has fully solidified, the ceramic shell that once protected the casting needs to be removed to reveal the final metal component. Vibratory methods are commonly used to break away the ceramic shell, carefully unveiling the intricately crafted metal casting hidden within. This step requires careful handling to avoid damaging the delicate metal part.
8. Cut-off
After the shell has been removed, the individual metal castings are separated from the central sprue using specialized saws or cutting tools. This separation process is carried out with precision to ensure a clean and accurate cut, leaving the metal component ready for further processing.
9. Finishing
The final step in the investment casting process involves performing any necessary finishing operations to meet the specific requirements of the component. Depending on the application, various finishing techniques may be employed. For instance, heat treatment might be necessary to enhance the mechanical properties of the metal, such as its strength and hardness. CNC machining can be used to achieve more precise dimensions and tolerances. Shot blasting is often utilized to clean the surface and achieve a fine, smooth finish, while polishing can be done to obtain the desired bright and attractive surface appearance.
Investment casting is a truly remarkable manufacturing process that combines skill, precision, and advanced techniques to produce high-quality metal components that meet the most demanding standards across a wide range of industries.
| Material |
Carbong Steel |
Ductile Iron |
Alloy Steel |
Stainless Steel |
Manganese Steel |
| Material Grade/Designation |
ZG200-400
ZG230-450
ZG270-500
ZG310-570
ZG340-640
Q235 |
QT350-22L
QT400-18
QT400-18L
QT450-10
QT500-7
QT600-3
QT700-2
QT800-2
QT900-2
QTD800-10
QTD900-8
QTD1050-6
QTD1200-3
QTD1400-1 |
ZG20Mn, ZG30Mn
ZG40Mn, ZG20Mn2
ZG35CrMnSi, ZG40Cr
ZG35CrMo, ZG42CrMo
AH36,EH36,FH36
Q420qE,Q500qE
16MnDR
09MnNiDR
ZGD410-620
ZGD535-720
ZGD650-830
ZGD730-310
ZGD840-1030
ZGD1030-1240
ZGD1240-1450 |
06Cr19Ni10
022Cr19Ni10
06Cr17Ni12Mo2
022Cr17Ni12Mo2
06Cr18Ni12Mo2Cu2
015Cr21Ni26Mo5Cu2
12Cr13
30Cr13
68Cr17
022Cr12
10Cr17
019Cr19Mo2NbTi
022Cr23Ni5Mo3N
022Cr25Ni7Mo4N
05Cr17Ni4Cu4Nb
07Cr15Ni7Mo2AL |
ZGMn13-1
ZGMn13-2
ZGMn13-3
ZGMn13Cr2
Q355B
Q460C
30Mn2Cr10
40Mn18Cr3
ZGMn18Cr2
|
| Standard |
GB/ASTM/AST/AISI/JIS/DIN/DINEN/ISO/EN |
| Note |
Apart from the above materials, we can cast based on customers' specifications |
Packaging
1. Rust Prevention Treatment: The surface of the cast steel parts is sprayed or smeared with high-quality rust preventives to form a dense anti-rust film, effectively preventing rust during transportation and storage.
2. Buffer Protection: To prevent collision damage during transportation, buffer materials such as foam boards and sponges wrap parts prone to bumps.
3. Outer Packaging: Small cast steel parts are packaged in sturdy wooden boxes, and the inside is filled with stuffing to ensure that there is no shaking during transportation; large cast steel parts are fixed with customized metal frames or wooden frames, and if necessary, container transportation is adopted to ensure transportation safety.
Shipping
1. Logistics Selection: We have established long-term cooperative relationships with several well-known logistics enterprises. According to customer needs and the characteristics of the goods, suitable transportation methods such as road transportation, railway transportation, sea freight, and air freight can be selected to ensure the timely and safe delivery of the goods.
2. Delivery Timeliness: For regular orders, the goods will be dispatched within [X] working days after the products are completed and pass the inspection; for urgent orders, the delivery time can be negotiated to be shortened, and the production and delivery processes will be prioritized.
3. Logistics Tracking: We provide a real-time tracking service for the transportation of goods. Customers can query the transportation status of the goods through the order number or logistics tracking number on our company's official website or the cooperative logistics platform, and keep abreast of the transportation location and estimated arrival time of the goods at any time.
1. Q: How to get a quotation?
A: Please send your 2D drawings and 3D model with the required material, annual usage, or lot quantity to us.
2. Q: What is the MOQ?
A: According to the part's specification, material, technical demands, etc. For some parts, 1 pcs is also acceptable.
3. Q: What is our advantage?
A: We have built a complete and strict quality control management system, from material to finished products.
We can offer you the best service for casting, machining, and sheet metal parts with the most favorable unit price and freight cost within 48 hours.
4. Q: Do we have in-house engineering capability?
A: Yes, our engineering team has rich experience from the finished OEM and ODM projects, and we can also supply you with some suggestions during the production process.
Audited Supplier 
){kind=link}