Introducing our large size CNC Double Ends Facing Centering CNC Drilling Milling Center Machine - a powerhouse of precision and efficiency, built for unparalleled performance.
Boasting a state-of-the-art 4-axis design, it features a self-centering fixture that ensures one-time clamping to flawlessly complete the processing, elevating production quality.
Our Double-End Centering Machine is a specialized CNC masterpiece, expertly crafted to handle the end face and center hole processing of shaft parts. Enjoy the benefits of one-time clamping coupled with simultaneous milling, drilling, tapping, chamfering, and other processes on both ends of the workpiece. This innovation drastically enhances processing efficiency and precision, redefining productivity standards.
The versatile multi-spindle centering machines are categorized into flat bed, inclined bed, and vertical forms according to the bed design. Depending on the spindle count, these machines range from single head to double head and multi-head variants, offering tailored solutions for diverse industrial needs.

Double-head centering machines serve as a cornerstone in the shaft part processing sector, finding applications in automobiles, motorcycles, motors, pump valves, agricultural machinery, construction machinery, and beyond. From half shafts to cams and E-bolts, these machines deliver precision milling capabilities across various industries.

Employing advanced milling, drilling, and threading spindles at both machine ends, our CNC tool offers functionalities such as chamfering and end cylindrical turning. This machine supports the use of identical or separate spindles for each end, ensuring simultaneous and versatile processing. Experience the quintessential multi-functional spindle combination CNC machine tool, designed for unparalleled adaptability.
PRODUCT NUMBER |
MILLING PIN DIAMETER RANGE |
ST80-1000 |
150-1000 |
ST10-1000/1200/1600/2000 |
150-1000 150-1200 200-1600 200-2000 |
ST16-1200/1600/2000/2500 |
200-1200 400-1600 500-2000 500-2500 |
ST20-1200/1600/2000 |
200-1300 200-1700 200-2100 |
ST26-2000/3000/4000 |
200-2100 200-3100 200-4100 |
ST30-2000/3000/4000 |
200-2100200-3100 400-4100 |
| ARGUMENT
Project |
Unit |
ST30-2000 |
ST30-3000 |
ST30-4000 |
Processing length range |
mm |
200-2100 |
200-3100 |
400-4100 |
Milling diameter range |
mm |
φ30-350 |
φ30-350 |
φ30-350 |
Single side milling amount |
mm |
5 |
5 |
5 |
Drilling diameter |
mm |
φ30 |
φ30 |
φ30 |
Spindle speed |
rpm |
200-1500 |
200-1500 |
200-1500 |
Machine tool working accuracy |
Three-axis repeatable positioning accuracy |
mm |
0.006 |
0.006 |
0.006 |
Consistency of overall milling length |
mm |
±0.05 |
±0.05 |
±0.05 |
Center hole depth consistency |
mm |
0.05 |
0.05 |
0.05 |
Both ends face the center hole and run out |
mm |
0.03/φ50 |
0.03/φ50 |
0.03/φ50 |
End surface roughness |
Ra |
3.2 |
3.2 |
3.2 |
Center hole roughness |
Ra |
1.6 |
1.6 |
1.6 |
Optional function parameters |
Outer circle diameter of the set car |
mm |
φ200 |
φ200 |
φ200 |
Rigid tapping |
mm |
M30 |
M30 |
M30 |
High speed U drill |
mm |
φ50 |
φ50 |
φ50 |
| DETAIL PRESENTATION
TWO-WAY HYDRAULIC CLAMP
Our two-way self-centering hydraulic clamp, alongside the two-way self-centering hydraulic vise, adapts seamlessly to workpieces of varying specifications, ensuring superior flexibility and reliability in processing.
SPINDLES AND FUNCTIONS
Featuring a double-ended spindle box design, this machine guarantees high efficiency and enhanced coaxiality. The spindle is highly scalable, accommodating not only end face milling and center hole drilling but also optional functions like double-end chamfering, external turning, deep drilling, and threading.
COMFORTABLE CHIP REMOVAL EXPERIENCE
Experience seamless chip removal with our premium chain scraper type automatic chip conveyor, renowned for its powerful, smooth operation. Its customizable layout design in the left/right/rear directions offers unmatched flexibility in factory setups.
CNC SYSTEM
Our Bus absolute value servo system eliminates the need for resets upon power-up, enabling immediate operation and optimizing workflow efficiency to meet your production demands.
Perfectly suited for automated production environments, our system is highly compatible with multifunctional machining tasks like drilling, boring, milling, grinding, tapping, and chamfering. The optional dual channel control system promises superior performance, catering to the most demanding manufacturing scenarios.
| CERTIFICATES & ACTIVITIES

Renowned as China's leading manufacturer of CNC machine tools for double-sided processing, we stand at the forefront of innovation with a commitment to excellence.
Armed with hundreds of technical patents, we specialize in the precise drilling, milling, and turning of shaft parts, achieving exceptional accuracy and setting industry benchmarks.
Our high-quality positioning machine tool products have garnered high esteem from users across developed nations globally, a testament to our unwavering dedication to quality and performance.
|ABOUT FACTORY
Discover Shandong Youtai Machine Tool Manufacturing Co., Ltd., proudly located in Tengzhou City, the "Capital of Small and Medium-sized CNC Machine Tools in China." This city, brimming with historical significance, is the birthplace of philosopher Mozi and craftsman Lu Ban. Nestled near the iconic Confucius' three holes, our factory stands as a beacon of rich cultural heritage and cutting-edge metalworking excellence, playing a pivotal role in the global machinery manufacturing landscape.
Since our inception in 2011, Shandong Youtai Machine Tool Manufacturing Co., Ltd. has emerged as a beacon of innovation, driving the future of efficient machining equipment tailored for shaft parts. As a technology-driven enterprise, we are passionately committed to crafting high-end CNC machine tools and specialized machinery that cater to a multitude of industries. Our expansive facilities, sprawling over 50 acres, house more than 30,000 square meters of state-of-the-art workshops and offices. Equipped with advanced precision machines, including gantry machining centers and CNC guide rail grinders, and complemented by high-precision measuring instruments, we ensure unparalleled product quality and excellence.
At the heart of our company is a dynamic team of over 100 devoted professionals, featuring more than 30 highly skilled technical experts and an equal number of adept engineering specialists. We engage in profound collaborations with over ten bespoke part enterprises, pushing the boundaries of innovation. Through our independent R&D endeavors, we have pioneered a diverse array of machinery, including milling end face drilling center hole tools, double-side lathes, and sophisticated twin-head horizontal machining centers for cylinder barrels. Our extensive portfolio encompasses over twenty series and more than fifty unique products, which have found their place in the global market, exported to developed economies across Europe and Asia. This international presence has cemented our status as a distinguished domestic brand, renowned for quality and innovation in the industry.
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