Industry |
Material |
Process |
Application |
Technical advantages |
Commercial Vehicle
Heavy-duty Truck Axle |
Carbon steel |
Coated Sand Casting/
Lost Wax Casting |
Leaf Spring Support Bracket for Rear Axle |
Multiple process layouts can take advantage of the advantages of two processes, with flexible production arrangements and high efficiency |
Mining Truck Axle |
Carbon steel |
Coated Sand Casting |
Steering Knuckle/Axle Shaft Connection Bracket on Axle |
The coated sand casting uses independent sand preparation, with stable quality, good product surface finish and high production efficiency. |
Heavy-duty Truck
Exhausted System |
Carbon steel |
Lost Wax Casting |
Commercial Vehicle Heavy-Duty Exhaust System |
Lost wax casting process, using silica sol in the pre-process, good product surface quality, less mold cost, and small quatity production. |
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Qingdao Starise Metal Technology Co., Ltd. stands as a beacon of excellence in the precision casting industry, seamlessly blending industry expertise with trade innovation. With a rich legacy of over three decades, our company is at the forefront of research, development, and global trade of high-precision casting parts. Anchored by our expansive production facility spanning 47,000 square meters, including state-of-the-art workshops of 10,000 square meters, we boast an impressive annual output of over 30,000 tons of precision cast steel parts. Our products, celebrated for their quality, find homes in more than 20 countries and regions across Europe, America, Asia, and beyond.
Our History:
1. Founding Period (1996-1998):
In the bustling city of Pingdu, Qingdao, in 1996, our journey began with a commitment to delivering superior precision casting solutions, particularly for the agricultural machinery and automotive axle industries. During these formative years, we honed our craft in small-scale precision castings using traditional silica gel precision casting techniques, setting the foundation for future success.
2. Technological Accumulation and Expansion (1998-2014):
1998 marked a turning point as we embraced advanced investment casting and sand casting technologies. This progression enabled us to create medium and large-scale precision castings. With the prestigious ISO9001 certification in 2006, we fortified our promise of unwavering quality. Between 2009 and 2014, our extensive facility expansion and the addition of cutting-edge production lines propelled us to meet the rising demand for diverse, multi-batch, and bespoke casting solutions.
3. Brand Marketing (2016-2020):
2016 was the dawn of a new era as we focused on brand elevation, participating vigorously in both domestic and international industry exhibitions. This strategic push amplified our brand's presence and recognition. By 2017, our global ambitions bore fruit through long-lasting partnerships with overseas clients. As we closed 2020, our development of several patented technologies ensured superior precision and quality in our offerings.
4. Technological Innovation and Sustainable Development (2018-2024):
In 2018, our commitment to innovation took a quantum leap forward with the establishment of a specialized research and development center dedicated to pioneering new materials and processes. 2019 witnessed the birth of our environmentally conscious precision casting process, which not only minimized pollution but also elevated the quality of our castings. Our efforts were nationally recognized in 2020 when we were honored as a national high-tech enterprise, a testament to our pioneering spirit.
5. Intelligent Manufacturing and Future Vision:
Amidst the 2019 global pandemic, our agility shone as we swiftly revamped our market approach, strengthening online marketing and services to ensure resilience and growth. The new chapter in 2021 saw the launch of our cutting-edge intelligent manufacturing initiative, weaving automation and information technology into the fabric of our operations to enhance efficiency and management.
6. Looking Ahead:
Guided by an unwavering commitment to innovation-driven growth, we are resolute in our pursuit of leadership within the global precision casting landscape, continuously pushing boundaries and setting new benchmarks.
Investment casting is an advanced and artful manufacturing technique, celebrated for delivering highly precise metal components. Across industries like aerospace, automotive, and medical, investment casting shines by offering unmatched precision, superior quality, and consistency. Dive into the elaborately refined steps of this process to appreciate the artistry and scientific rigor involved in bringing these exceptional components to fruition.
1. Wax Pattern Creation
The investment casting process begins with the meticulous crafting of wax patterns. Talented artisans inject premium wax into expertly designed aluminum molds, achieving exacting shapes and dimensions of the final product. These wax models are the essential blueprints guiding the casting process to success. The precision and quality of these wax patterns are vital, directly influencing the integrity and excellence of the end metal component.
2. Assembly
During the crucial assembly stage, each unique wax pattern is meticulously attached to a central wax sprue, forming what is known as a pattern assembly or wax tree. This assembly is critical, as the central sprue channels molten metal to fill the detailed cavities of the wax patterns. Each attachment requires precision and care to ensure alignment and security, setting the stage for flawless casting.
3. Shell Building
With the pattern assembly ready, we move to the transformative shell-building phase, an intricate step that defines the process. The assembly is repeatedly immersed in premium ceramic slurry, building layers of refractory materials. Each layer must thoroughly dry before adding the next, eventually forming a robust, durable ceramic shell that encases the wax patterns, ensuring structural integrity and protection for the casting.
4. Dewaxing
Following the formation of the ceramic shell, the critical dewaxing step begins. The entire assembly is placed in a specialized furnace where high temperatures melt and evacuate the wax. This 'lost-wax casting' leaves behind a hollow ceramic mold, an exact negative of the original wax patterns, perfectly prepared to welcome molten metal.
5. Burnout/Preheating
Post dewaxing, the ceramic mold undergoes a burnout stage at extreme temperatures. This essential phase removes any wax residues, solidifies the ceramic, and prepares it for pouring. Preheating ensures the molten metal flows smoothly and fills the mold evenly, minimizing defects and optimizing the final product's quality. The mold is now primed for metal infusion.
6. Pouring
Pouring is the heart of investment casting. Carefully selected molten metal, matched to meet the component's specifications, is expertly poured into the preheated ceramic mold. The metal swiftly fills the mold's intricate cavities, cooling and solidifying to replicate the wax patterns precisely. Every detail of the pouring process is controlled meticulously to uphold the integrity and excellence of the final product.
7. Shell Removal
After solidification, the ceramic shell is methodically removed to unveil the crafted metal component. Vibratory methods break the ceramic shell, revealing the exquisite casting within. This step demands careful handling, ensuring the delicate metal piece retains its intended form and function.
8. Cut-off
Once the protective shell is meticulously removed, the individual metal castings gracefully part ways from the central sprue through the use of advanced saws or precision cutting tools. This separation is executed with unparalleled accuracy, ensuring a flawless and precise cut that leaves the metal components poised and primed for their next stage of refinement.
9. Finishing
The crowning step in the investment casting journey involves executing any essential finishing operations tailored to the unique specifications of each component. Depending on its intended use, a suite of sophisticated finishing techniques may be employed. For example, heat treatment can significantly bolster the metal's mechanical properties, enhancing both its strength and hardness. CNC machining is harnessed to achieve precise dimensions and exacting tolerances. Shot blasting serves to cleanse the surface, imparting a refined and smooth finish, while polishing bestows a dazzlingly bright and aesthetically pleasing surface appearance.
Investment casting stands as an extraordinary manufacturing marvel, where artistry meets precision. Through a symphony of skill, expertise, and cutting-edge techniques, it crafts premium metal components that consistently surpass the most rigorous standards across an impressive array of industries.
Material |
Carbon 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 |
AISI - American Iron and Steel Institute ASTM - American Society for Testing and Materials DIN - Deutsches Institut für Normung BS - British Standards ANSI - American National Standards Institute JIS - Japanese Industrial Standards AFNOR - Association Française de Normalisation AS - Standards Australia ASME - American Society of Mechanical Engineers EN--European Norm GB--National Standard Chinese |
Note |
Apart from the above materials, we can cast based on customers' specifications |
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Packaging
- Rust Prevention Treatment: Our premium cast steel parts are expertly treated with state-of-the-art rust preventives, forming a robust anti-rust film. This meticulously crafted layer ensures outstanding protection against rust during both transportation and storage, maintaining the pristine condition of the parts.
- Buffer Protection: To safeguard parts vulnerable to impacts, we employ advanced protective materials like foam boards and sponges. These materials are strategically wrapped around the parts to absorb shocks and prevent any collision-induced damage during transit.
- Outer Packaging: Precision is key at Qingdao Starise Metal Technology Co., Ltd. Smaller cast steel parts are enveloped in durable wooden boxes, with abundant filling to avert any movement during shipping. Larger components are securely fastened in bespoke metal or wooden frames. For heightened security, we also utilize container transportation, ensuring absolute safety throughout the journey.
Shipping
- Logistics Selection: We proudly collaborate with renowned logistics enterprises, forging long-standing partnerships. This allows us to tailor transportation methods such as road, rail, sea, or air freight, aligning with customer preferences and the specific characteristics of the goods, guaranteeing their punctual and secure arrival.
- Delivery Timeliness: Regular orders are efficiently dispatched within 30 working days post-completion and quality inspection. For urgent requests, we offer flexible scheduling, prioritizing production and expediting delivery to meet your immediate needs.
- Logistics Tracking: Enjoy peace of mind with our cutting-edge real-time tracking service. Easily monitor your shipment's journey via your order number or logistics tracking number on our official website or affiliated logistics platforms, staying informed about the location and anticipated arrival time of your goods at all times.

1 Q: Where is our company, Starise Metal, located?
A: We are located in Qingdao City, Shandong Province, China. Maybe you know Tingdao Beer, welcome to Qingdao!
2 Q: Are we the manufacturer?
A: Yes, we are a professional manufacturer of metal castings. Our foundry mainly produces iron and steel castings by ourselves. Also, we supply the service of alloy parts casting and sourcing.
3 Q: Which casting process is the best in our company?
A: Sand Casting, lost wax casting, precision casting and investment casting process. The permanent mold casting, low pressure casting and die casting are also available.
4 Q: What materials can we cast?
A: Cast grey iron, ductile iron, carbon steel, stainless steel, alloy steel, aluminum, bronze and others.
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