Knowledge

I. Source Control: Reducing and Releasing Internal Stress Cast iron platforms (such as HT300) retain internal stress during casting, machining, and us

I. Identifying Deformation Type and Causes Based on Anomaly Characteristics 1. Overall Tilt (One End Higher, One End Lower) Manifestation: Level measu

I. Electronic Level Method: Quick On-Site Assessment (Suitable for Medium to Large Platforms) Suitable for daily inspections and quarterly retests. Si

I. Manual Scraping: The "Gold Standard" for High-Precision Repair Suitable for high-precision platforms (such as inspection-grade and scribi

I. On-Site Correction Situations: Overall Tilting or Support Imbalance When the platform exhibits a sloping deformation with one end higher than the o

I. Ensuring Welding Accuracy and Workpiece Consistency The flatness of the 3D welding table, as a "process reference surface," directly affe

I. Direct Judgment Basis: Exceeding Standards in Test Data When flatness error detected by professional instruments exceeds the factory standard, adju

I. Daily Cleaning and Inspection (Daily/After Each Use) 1. Remove Welding Slag and Debris: After each welding operation, use a dedicated cleaning need

I. Core Judgment Standard: Flatness Tolerance Ordinary Grade Table: Flatness ≤ 0.15mm/1000mm, suitable for general welding and assembly scenarios.

I. Situations Where On-Site Adjustment is Possible: Overall Tilting or Uneven Support When the flatness error manifests as a sloping surface with one

1. Optical Alignment Level Method (Recommended for On-Site Inspection) Principle: Calculates the overall flatness error by measuring the relative heig

I. Check the Material Report: Confirm the Basic Material Grade and Composition Should include: The material type should be clearly marked as HT250 or