Coining Die Glossary
压印模具术语
标签：阴模, 阳模, 挤压力, 模衬, 浮雕
**阴模（female die / hub）**刻有凹下图文，决定正面浮雕；**阳模（punch / die）**压出背面。对硬币用**钢模（steel die）**经热处理至 HRC 58–62 耐磨。**挤压力（coining force）**= 投影面积×单位压力。**模衬（liner）**便于更换磨损图文区。
The **female die / hub** carries the sunk relief and sets the front face; the **punch** forms the back. Coin dies are **steel dies** hardened to HRC 58–62 for wear. **Coining force** = projected area × unit pressure. A **liner** lets you replace a worn detail zone. ---