Rotary Table Support Clearance Layout for Thermal Centering Stability

The patent applies thermal expansion principles by designing a connection structure where the metal support and ceramic stage have different thermal expansion coefficients. The support includes an insertion portion that fits into a protruding portion of the stage, with clearances designed to accommodate differential thermal expansion. The outer clearance is smaller than the inner clearance, allowing the metal support to expand more than the ceramic stage without causing misalignment or breakage during temperature changes.

The patent uses composite materials by combining metal support components with ceramic stage components. The metal support provides structural strength and durability, while the ceramic stage provides thermal stability. The connection structure integrates these different materials with carefully designed clearances to accommodate their different thermal properties, creating a reliable composite support system.

The patent designs the clearance between the support and stage to account for thermal expansion. The outer clearance is intentionally made smaller than the inner clearance, creating a gradient that allows the metal support to expand radially outward during heating without contacting the ceramic stage. This prevents misalignment while maintaining good centering precision.

The patent applies local quality by having different clearance dimensions at different locations of the connection structure. The outer clearance is smaller than the inner clearance, creating a non-uniform clearance distribution that optimizes both centering precision and thermal expansion accommodation. This localized variation in clearance allows the structure to handle thermal stresses effectively while maintaining precision.

The patent addresses thermal expansion by designing a simple yet effective clearance gradient in the connection structure. The outer clearance is made smaller than the inner clearance, creating a radial expansion path for the metal support during heating. This straightforward geometric design accommodates thermal expansion without requiring complex mechanisms or additional components.

The patent uses parameter changes by varying the clearance dimension radially across the connection structure. The clearance transitions from larger at the inner radius to smaller at the outer radius, creating a gradient that naturally accommodates thermal expansion. This parameter variation is achieved through simple geometric design rather than complex mechanisms.