What is spindle rigidity?
The formula for stiffness is Stiffness (K) = Applied Force (F) ÷ Displacement (δ). Here are the inspection criteria.
Spindle rigidity refers to the ability to suppress deformation in response to external forces, and is typically expressed in N/μm (Newtons/microns). When spindle rigidity is insufficient, elastic deformation and vibrations are more likely to occur during machining, leading to issues such as reduced dimensional accuracy and deterioration of surface roughness. Furthermore, uneven bearing loads can occur, potentially adversely affecting long-term operational stability. On the other hand, a high-rigidity spindle design improves machining stability, contributes to the reduction of machining errors and tool wear, and can maintain high-precision machining quality over extended periods. 【Rigidity Calculation Formula】 ■K = Rigidity (N/μm) ■F = Applied Force (N) ■δ = Displacement (μm) *For more details, please download the PDF or feel free to contact us.
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Our company was established in 1977, starting with the development of dedicated machines. As we progressed with in-house development, we deeply recognized the importance of spindles. In 1998, we introduced repair and manufacturing technology for high-frequency spindles from Europe, and in addition to repairing these high-frequency spindles, we have also been engaged in the research and development of built-in high-speed spindles. With the management philosophy of "Quality First," we aim to enhance our customers' competitiveness by continuously developing high-quality built-in high-speed spindles. Additionally, in addition to mass production, we provide specialized services for machine tool manufacturers with specific needs for built-in high-speed spindles, including design, development, assembly, and testing.