Depth Control & Stop-Etch

蚀刻深度控制与停蚀判断

type:tutorial · level:intermediate · material:brass · variant:chloride · scale:decorative-object · equipment:hand-tools · stage:patternmaking

标签：选型,蚀刻深度,试片,时间曲线,停蚀

依线条用途确定目标深度（装饰 0.1–0.3mm，印刷版 0.2–0.5mm），用试片计时建立"时间-深度"曲线。停蚀前用探针或显微镜抽检，达标立即取出水洗断蚀。

Set target depth by use (decorative 0.1–0.3 mm, print plate 0.2–0.5 mm) and build a time-depth curve from test coupons. Before stopping, probe or microscope-check; once reached, remove and rinse to halt etching.