Experience the precision power of our large-size CNC Double Ends Facing Centering CNC Drilling Milling Center Machine. Designed for optimal performance, this machine is the epitome of advanced engineering, ensuring exceptional centering tasks with unmatched accuracy.
Innovatively crafted with a 4-axis design, our machine boasts a Self-centering fixture that ensures one-time clamping, revolutionizing the processing experience with ease and precision.
The Double-End Centering Machine, a marvel of CNC technology, is expressly crafted for shaft parts, specializing in the end face and center hole processing. Capable of single clamping, it efficiently performs milling, drilling, tapping, chamfering, and multiple other operations on both workpiece ends, significantly enhancing processing efficiency and accuracy.
Our Multi-Spindle Centering Machines come in three distinctive bed forms: flat, inclined, and vertical. Additionally, based on spindle number, they are categorized into Single Head, Double Head, and Multi-Head, offering versatile solutions for diverse processing needs.

Double-Head Centering Machines find extensive application in processing shaft parts across industries like automobiles, motorcycles, motors, pump valves, and agricultural and construction machinery. They adeptly handle components like half shafts, cams, and E-bolts, embodying versatility through milling precision.

This innovative machine features milling, drilling, and threading spindles on both ends, supplemented by chamfering and cylindrical turning capabilities. The spindles can either mirror functions on both ends or possess varied functionalities for simultaneous or sequential processing, exemplifying 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
Our Two-Way Self-Centering Hydraulic Clamp and Vise seamlessly adapt to a diverse range of workpiece specifications, offering unmatched precision and reliability.
SPINDLES AND FUNCTIONS
Utilizing a Double-Ended Spindle Box Design, this machine achieves stellar efficiency and coaxiality. The spindle's strong scalability extends beyond basic milling and drilling to include optional functions such as double-end chamfering, external turning, deep drilling, and threading, ensuring comprehensive processing capabilities.
COMFORTABLE CHIP REMOVAL EXPERIENCE
Featuring a high-quality Chain Scraper Type Automatic Chip Conveyor, this system offers powerful, smooth operation with customizable layout designs in left/right/rear directions, providing unparalleled freedom in layout arrangements for a superior chip removal experience.
CNC SYSTEM
Our cutting-edge Bus Absolute Value Servo System eliminates the need for reset upon powering on, allowing immediate use and ensuring operational efficiency and productivity.
Boasting high adaptability to automated production and remarkable compatibility with multifunctional machining-including drilling, boring, milling, grinding, tapping, and chamfering-our optional Dual Channel Control System delivers superior performance for complex tasks.
| CERTIFICATES & ACTIVITIES

Proudly recognized as China's premier manufacturer of CNC machine tools for double-sided processing, a testament to our innovation and quality.
Backed by a wealth of technical patents, we specialize in drilling, milling, and turning shaft parts with unparalleled precision, standing at the forefront of CNC technology advancement.
Our top-tier positioning machine tool products are globally acclaimed, earning high esteem from users across developed countries for their precision and performance.
|ABOUT FACTORY
Shandong Youtai Machine Tool Manufacturing Co., Ltd. is strategically located in Tengzhou City, a revered hub known as the 'Capital of Small and Medium-sized CNC Machine Tools in China.' This culturally rich city, home to historical icons like philosopher Mozi and craftsman Lu Ban, and near the esteemed cultural site of Confucius' three holes, is a vibrant epicenter of metalworking excellence, contributing robustly to the global machinery manufacturing industry.
Since our establishment in 2011, Shandong Youtai Machine Tool has proudly led the charge in the innovative realm of efficient machining equipment tailored for shaft parts. As a technology-driven enterprise, we are passionately focused on the creation of high-end CNC machine tools and specialized machines that cater to a multitude of industries. Our expansive facilities, spanning over 50 acres, are home to more than 30,000 square meters of state-of-the-art workshops and offices. Here, we house sophisticated precision machines, including cutting-edge gantry machining centers and CNC guide rail grinders, all complemented by high-precision measuring equipment, ensuring that our product quality is nothing short of exceptional.
Our team is a powerhouse of over 100 dedicated professionals, featuring more than 30 skilled technical experts and an equal number of proficient engineering specialists. We engage in impactful collaborations with over ten custom part enterprises, driving forward our independent R&D efforts. This has led to the development of an impressive range of machines, including milling end face drilling center hole tools, innovative double-side lathes, and versatile twin-head horizontal machining centers specifically designed for cylinder barrels. Our diverse portfolio covers more than twenty series and over fifty distinct products, which have been successfully exported to developed nations across Europe and Asia. Our achievements have firmly established us as a prestigious domestic brand within the industry.
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