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Intelligent built-in ultra-high-speed grinding spindle with coolant through spindle
Industry type：Productivity and energy
Product model number：THG series / TTG series
Theta Precision Co., LTD.
To enhance machining efficiency, THETA developed Taiwan’s only built-in ultra-high-speed grinding spindle with through-spindle coolant (CTS). Its performance rivals that of top European brands.
Key Features
● Maximum Speed: 90,000 rpm
Higher grinding speeds can increase production efficiency by 2–5×.
In addition to meeting ISO 21940 G1 balance standards, the rotating assembly is optimized to G0.4 for enhanced vibration control.
● Coolant Through Spindle (CTS) Function
Effectively cools the cutting area, improving workpiece accuracy and surface finish.
Facilitates chip removal and improves operational convenience.
Extends tool life by 1–2×, reduces replacement frequency, and supports environmental sustainability.
● Built-in Spindle Structure
Low-friction bearings ensure high-speed stability.
Compact design integrates oil, air, water, and electrical systems in a confined space.
Direct-drive design simplifies system architecture and enhances reliability.
About Theta Precision Co., LTD.
Theta Precision Co., Ltd. was established on September 21, 2005. We are a professional manufacturer specializing in high-speed, high-precision, and high-quality spindles. We offer customized spindle sizes, technical support, and integrated machine planning solutions. Our dedicated maintenance department provides repair services for conventional spindles—both in Taiwan and globally—as well as repair solutions for built-in motorized spindles. In today’s competitive market, we uphold a spirit of continuous improvement to enhance the quality of our products and services. ● THETA – Technology · High Efficiency · Top Accuracy Business Philosophy: Customer Satisfaction, Innovation, Responsibility, Respect for Employees, Emphasis on Quality. ● Service & Repair Network THETA has established a comprehensive global network of authorized after-sales service and repair centers in Japan, the United Kingdom, the United States, Spain, Portugal, Germany, South Korea, China, Taiwan, and Türkiye.
We are a professional spindle manufacturer. We offer customized spindle sizes, technical support, and integrated machine planning solutions. Main Products: ‧Milling / Grinding Spindles ‧Grinding Spindles ‧Dressing Spindles We have also established a dedicated maintenance department to provide services for mechanical spindles—whether in Taiwan or abroad—and to carry out repairs for built-in spindles. All critical components undergo rigorous inspection using precision measuring instruments and in-house quick-check tools. Inspection data for every part is fully recorded, ensuring that each spindle delivered achieves optimal geometric precision and operational stability. Company History: ‧2005: Company founded on September 21 ‧2012: Expanded and relocated to a new 900-ping facility in Daya, Taichung ‧2017–2018: Received multiple local government awards ‧2023: Achieved ISO 9001 certification ‧2025: Celebrating 20th anniversary with a showcase of new built-in spindle models
