Unveiling the impressive Large Size CNC Double Ends Facing Centering CNC Drilling Milling Center Machine, designed for those who seek precision engineering and robust performance in machining.
Featuring a state-of-the-art 4-axis design, this machine includes a self-centering fixture that enables one-time clamping, delivering seamless and precise processing at every turn.
The Double-End Centering Machine stands as a pinnacle of CNC innovation, crafted to expertly handle the end face and center hole processing of shaft parts. With the capability to clamp a workpiece once and execute milling, drilling, tapping, chamfering, and more on both ends concurrently, it significantly boosts productivity and enhances precision.
Discover the versatility of Multi-Spindle Centering Machines, available in flat bed, inclined bed, and vertical designs. These can be further categorized by spindle count into single head, double head, and multi-head configurations, catering to diverse machining needs.

Our Double-Head Centering Machines play a pivotal role in the machining of shaft parts across various industries including automotive, motorcycle, motor, pump valves, agricultural, and construction machinery. This versatile machine can process components such as half shafts, cams, and E-bolts with remarkable efficiency.

Both ends of the machine are equipped with milling, drilling, and threading spindles, offering ancillary functions like chamfering and end cylindrical turning. The same spindle type can be used on both ends, or different functional spindles can be employed separately for simultaneous processing, epitomizing a quintessential multi-functional spindle combination CNC machine tool.
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: An innovation for effective and secure workpiece handling.
Our Two-Way Self-Centering Hydraulic Clamp and Vise are crafted to accommodate workpieces of varying specifications, ensuring a flawless processing experience.
SPINDLES AND FUNCTIONS
Boasting a double-ended spindle box design, this machine promises high efficiency and superior coaxiality. Its scalable spindles extend beyond basic end face milling and center hole drilling to offer optional combined functions such as double-end chamfering, external turning, deep drilling, and threading, truly embodying versatility.
COMFORTABLE CHIP REMOVAL EXPERIENCE
The high-caliber chain scraper-type automatic chip conveyor is engineered for powerful and smooth operation. Its customizable layout options in the left, right, or rear directions offer unparalleled freedom in your workspace setup.
CNC SYSTEM
Equipped with a Bus Absolute Value Servo System, this machine eliminates the need for resetting upon startup, allowing for immediate, as-needed operation.
Highly adaptable to automated production, this system boasts remarkable compatibility with multifunctional machining processes like drilling, boring, milling, grinding, tapping, and chamfering. The optional dual-channel control system elevates performance to new heights.
| CERTIFICATES & ACTIVITIES

Proudly recognized as China's foremost manufacturer of CNC machine tools for double-sided processing, a testament to our unwavering commitment to quality.
With a foundation supported by hundreds of technical patents, we specialize in the precise drilling, milling, and turning of shaft parts, setting the industry standard for excellence.
Our esteemed high-quality positioning machine tool products enjoy widespread admiration and trust from users across developed nations globally.
|ABOUT FACTORY
Nestled in the heart of Tengzhou City, Shandong Youtai Machine Tool Manufacturing Co., Ltd. stands proud. Located in the 'Capital of Small and Medium-sized CNC Machine Tools in China,' our factory is steeped in cultural heritage, with ties to legendary figures like philosopher Mozi and craftsman Lu Ban. Near Confucius' three holes, we are not only a beacon of cultural richness but also a modern hub for metalworking excellence that fuels the global machinery manufacturing industry.
Since our exciting inception in 2011, Shandong Youtai Machine Tool has consistently positioned itself at the pinnacle of innovative advancements in efficient machining solutions, especially for shaft parts. As a forward-thinking, technology-driven enterprise, we dedicate our expertise to the creation of high-end CNC machine tools and specialized equipment tailored for a myriad of industries. Our sprawling facilities cover over 50 acres, encompassing more than 30,000 square meters of state-of-the-art workshops and corporate offices. We are equipped with sophisticated precision machinery, including gantry machining centers and CNC guide rail grinders, complemented by high-precision measuring devices. This ensures our unwavering commitment to superior product quality.
Our dynamic team is composed of over 100 dedicated professionals, featuring more than 30 proficient technical experts alongside an equal number of seasoned engineering specialists. We proudly engage in profound collaborations with over ten bespoke custom part enterprises. Through our relentless independent R&D initiatives, we have pioneered a comprehensive array of machines, such as milling end face drilling center hole tools, dual-side lathes, and twin-head horizontal machining centers meticulously designed for cylinder barrels. Our diverse portfolio encompasses more than twenty series and over fifty unique products, with successful exports to developed nations throughout Europe and Asia, further cementing our esteemed reputation as a distinguished domestic brand in the industry.
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