Selecting Horizontal Rotary Table Surface Grinder Specifications for Large Diameter Workpiece Machining

For workpieces with large diameters (≥800mm), the selection of rotary table surface grinders requires a balance between machining capacity and investment cost. First, confirm the worktable diameter, which is generally required to be 10%-20% larger than the maximum outer diameter of the workpiece to leave allowance for clamping and safety. Large-size rotary table surface grinders (Φ1000mm-Φ1250mm) feature substantially increased equipment weight and energy consumption, yet they enable completion of all machining processes in a single clamping setup, avoiding precision loss caused by repeated re-clamping.

When selecting a large-diameter horizontal spindle rotary table grinder, attention should also be paid to the overall rigidity design of the machine tool. Shandong Linmo adopts high-rigidity cast iron bed and hydrostatic guideway technology. Even for large-diameter models, the flatness error can be controlled within ≤0.0015mm. Load capacity is equally critical. The maximum grinding height of large-size horizontal spindle rotary table surface grinders can exceed 320mm, covering the machining requirements of most large-diameter disc parts.

Machining of large-diameter workpieces usually comes with low output. Two solutions are available: centralized machining with one large-size machine, or separate process machining via multiple medium-sized grinders. The former saves floor space and labor, while the latter offers greater flexibility amid capacity fluctuations. It is recommended that users select the optimal solution in terms of return on investment according to the annual output and batch size of their workpieces.