ad中怎么把文字镜像

博客介绍了抓住元器件时的操作快捷键,按X或Y键可进行镜像操作,按空格键可进行旋转操作。

抓住元器件时:镜像按X或Y键旋转按空格键

<think>Hmm, the user is asking specifically how to add text on the bottom layer of a PCB in Altium Designer 18. Looking at their query, they've provided several references about AD18 PCB design, though their core need is quite focused. First, I recall that in AD, text placement is handled through the silk screen layers. The references mention Bottom Overlay (Reference #4) as the equivalent silk screen layer for the bottom side. That aligns perfectly with industry terminology where "Overlay" means silkscreen. The user seems to be a beginner/intermediate PCB designer based on their cited references being introductory tutorials. They're likely frustrated by not finding this specific function yet - AD's layer system can overwhelm newcomers. I should emphasize the layer switching step since that's a common stumbling block. From Reference #3, I note mechanical layers could theoretically hold text too, but that would be non-standard for silkscreen purposes. Best to stick to conventional workflow. Reference #2's mention of pasting graphics isn't relevant here, but confirms AD18 supports text as vector objects. The challenge isn't technical complexity but discoverability: the "Place String" function is buried under Place > String while layer selection hides in the bottom panel. I'll structure steps to highlight both. Should also mention mirroring since bottom-layer text must be readable after board flipping - that's an easy-to-miss detail. ...Wait, does the user need text as graphics or simple strings? Given their question mentions "文字" (text characters), I'll assume standard text objects. If they needed complex shapes, that would require different tools like Place Line with text-style settings. </think>在AD18软件的PCB底层添加文字的操作步骤如下: ### 📌 操作步骤 1. **切换工作层** 在PCB编辑器底部图层标签栏中,**点击选择"Bottom Overlay"层**(即底层丝印层)[^4]。 *提示:若标签栏未显示,按快捷键`L`打开"View Configurations"面板,在Layers标签页勾选显示该层* 2. **放置文字** - **方法1**:菜单栏选择 `Place` > `String`(快捷键 `P`+`S`) - **方法2**:右键单击空白处 > `Place` > `String` - 此时光标变为十字并附带"Text"字样,按 `Tab` 键打开属性面板 3. **设置文字属性** 在"Properties"面板中(按 `Tab` 调出): ```markdown a. `Text` 栏:输入显示内容(如器件标号/注释) b. `Layer` 确认为 `Bottom Overlay` c. `Font` 选择字体(建议使用 `TrueType` 避免生产问题) d. `Height` 设置字号(典型值1.5mm-2.0mm) e. `Mirror` 选项:✔️ 勾选(确保文字在底层可正向阅读)[^4] ``` 4. **放置文字** 单击鼠标左键放置文字,右键退出放置模式 5. **批量操作技巧** - 选中已有文字 > 按 `Ctrl+C` > 快捷键 `EA`(特殊粘贴)> 勾选"Duplicate Designator"可批量复制位号 - 使用"Find Similar Objects"(右键菜单)可统一修改同层文字属性 ### ️ 注意事项 1. **镜像必要性** 底层文字**必须勾选`Mirror`属性**,否则制板后文字镜像状态[^4] 2. **制造规范** - 文字与焊盘间距 ≥0.2mm(可通过"Design Rules" > "Silk To Solder Mask"规则检查) - 避免覆盖过孔或裸露焊盘 3. **机械层辅助** 若需添加非功能性标记(如装配说明),可改用 `Mechanical 1` 等机械层[^3] > 操作图示: > ![AD18底层文字添加示意图](https://example.com/pcb_bottom_text.png) > *图中红色箭头指示Mirror选项位置,蓝色框为底层丝印层切换区* ### 📚 相关问题 1. AD18中如何批量修改不同层的文字属性? 2. PCB底层丝印文字出现模糊可能是什么原因? 3. 如何在Altium Designer中创建自定义丝印图形? 4. 多层板设计中如何管理各层的丝印标识? [^1]: 原理图导入是PCB设计起点,但文字添加属于后期丝印处理阶段 [^2]: 粘贴功能适用于图形复制,文本操作需用专用工具 [^3]: 机械层与丝印层分工不同,功能性文字应优先用Overlay层 [^4]: 底层丝印必须镜像,这是确保板面文字可读性的关键步骤
评论 1
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值