High-precision linear displacement sensor for industrial automation and CNC machinery
A linear scale, also known as a linear encoder or glass scale, is a precision measurement device that converts linear mechanical displacement into digital or analog electrical signals. It consists of a main scale (typically glass or steel with fine gratings) and a reading head that detects position changes through optical, magnetic, or inductive principles. Used in CNC machines, coordinate measuring machines, and industrial automation for closed-loop position feedback with micron-level accuracy.
诱因 → 失效模式 → 工程缓解
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Incremental scales measure relative displacement from a reference point and require homing after power loss. Absolute scales provide unique position values across the entire measuring length without needing reference points, maintaining position data during power interruptions.
Optical scales offer higher precision (down to 0.001μm) and are ideal for clean environments like metrology labs. Magnetic scales are more robust against contamination, vibration, and shock, making them suitable for harsh industrial environments with slightly lower precision (typically ±5μm).
Signal dropout occurs due to contamination on gratings, excessive vibration, electrical interference, or misalignment. Prevention includes regular cleaning with approved solvents, proper grounding/shielding, vibration damping mounts, and maintaining alignment within manufacturer specifications.
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CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。
说明目标数量、应用场景、交期和关键技术要求，用于准备 RFQ 或供应商评估。