How to check the straightness of granite straightedge
Method 1: Pitch Method (High Precision, for Arbitration / Acceptance)Appl Scenarios: Factory Inspection, Customer Acceptance, High-Precision Tooling Calibration.Required Tools: Digital Level (or Repeating Level), Plate (Pitch Block), Recording Form.【Direct Execution Steps】Preparation: Place the granite straight edge stably on the temperature-controlled workbench20℃±2℃), preheat for 1 hour to be isothermal.Segmentation: Use the bridge plate to divide the…
