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"type": "listItem", "children": [ { "type": "paragraph", "children": [ { "type": "span", "marks": [ "strong" ], "value": "阶次 vs. 时间瀑布图" }, { "type": "span", "value": " – 监控阶次图谱随时间的变化而非仅关注当前图谱" } ] } ] }, { "type": "listItem", "children": [ { "type": "paragraph", "children": [ { "type": "span", "marks": [ "strong" ], "value": "阶次 vs. 参照瀑布图" }, { "type": "span", "value": " - 监控阶次随转速或其他客户指定的通道变化的图谱" } ] } ] }, { "type": "listItem", "children": [ { "type": "paragraph", "children": [ { "type": "span", "marks": [ "strong" ], "value": "阶域谐波" }, { "type": "span", "value": " - 用户定义的所有阶次谐波通道，可以以复数形式在2D图上显示。" } ] } ] } ] }, { "type": "paragraph", "children": [ { "type": "span", "value": "测量记录完成后，客户依然可以更改阶次跟踪的相关设置。 DewesoftX 软件存储了相关原始数据，能够在后处理中重新计算阶次分析的结果。" } ] }, { "type": "paragraph", "children": [ { "type": "span", "value": "设定转速区间（转速上限和下限），以及选择是否在升速、降速或两者兼具（覆盖整个频谱）时计算瀑布谱和阶数提取。" } ] } ] } }, "blocks": [], "links": [] }, "images": [ { "responsiveImage": { "aspectRatio": 1.8658892128279883, 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"Order tracking campel diagram" } } ] }, { "__typename": "FeatureRecord", "id": "120854050", "anchor": "bin-settings", "video": "", "content": { "value": { "schema": "dast", "document": { "type": "root", "children": [ { "type": "heading", "level": 2, "children": [ { "type": "span", "value": "频段(Bin)设置可自由配置" } ] }, { "type": "paragraph", "children": [ { "type": "span", "value": "在 Dewesoft 软件中可以自由配置如何显示测量频谱，可通过时间、RPM 或其他频段轴。" } ] }, { "type": "paragraph", "children": [ { "type": "span", "value": "为了防止频段之间产生跳跃，您可以定义差值和迟滞以将测量范围（例如 RPM 转速范围）拆分为相应的区间进行计算。" } ] }, { "type": "paragraph", "children": [ { "type": "span", "value": "决定是在每个 bin 上连续收集数据还是仅在 bin 中心收集数据。" } ] }, { "type": "paragraph", "children": [ { "type": "span", "value": "用户可以选择不同的策略来计算频谱结果：" } ] }, { "type": "list", "style": "bulleted", "children": [ { "type": "listItem", "children": [ { "type": "paragraph", "children": [ { "type": "span", "value": "频谱中保留每个频段中首次计算结果" } ] } ] }, { "type": "listItem", "children": [ { "type": 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<li>确定临界速度</li>\n <li>变速箱故障</li>\n <li>轴承元件故障</li>\n <li>机械松动</li>\n <li>不平衡</li>\n <li>弯轴</li>\n <li>错位</li>\n <li>电机中的电气故障</li>\n <li>泵中的气蚀</li>\n <li>分离旋转和结构噪声和振动现象</li>\n <li>其他与振动相关的问题，例如 齿轮、皮带、风扇、泵、压缩机和涡轮机</li>\n</ul>" }, { "question": "做阶次跟踪分析需要哪些仪器?", "answer": "<p>对于旋转机械的阶次跟踪分析，需要在设备上安装一个振动传感器(通常是加速度传感器，麦克风或者是压力传感器)，和一个用于读取转轴转速RPM的计数器或者编码传感器。</p>\n<p>这两个传感器连接到数据采集系统(DAQ)，而且需要同步采集。在采集数据的同时，还需要数据分析软件来进行阶次跟踪的分析。</p>\n<p>Dewesoft可以提供，包括传感器，数据采集系统以及带有实时可视化分析功能的数据采集软件在内，完整的阶次跟踪分析解决方案。</p>" }, { "question": "阶次跟踪分析可以不需要RPM转速传感器吗？", "answer": "<p>Dewesoft 仅允许使用加速度传感器执行阶次跟踪分析。要获得电机的旋转频率，可使用 <strong>精确频率数学</strong>使用，并可选择跟踪一次谐波。</p>\n<p>该数学运算可计算出 FFT 中最高峰的频率，并可进一步用于阶次跟踪分析，而不是外部转速传感器的读数。更多详情，请参阅 <a href=\"https://manual.dewesoft.com/x/setupmodule/modules/machinery/ordertracking\" target=\"_blank\" rel=\"noopener\">本指南</a>.</p>" }, { "question": " 什么是发动机的阶次?", "answer": "<p><span>发动机振动的阶次或谐波，都是基频的倍数。再以发动机为例，一个4缸4冲程的发动机，发动机转一周燃烧2次。</span></p>" }, { "question": " 訂單跟踪是如何計算的？", "answer": "<p><span>訂單跟踪是如何完成的？</span><br /><span>階次跟踪是通過測量信號（通常是振動）並為每個預定義的轉速區域（類別）計算 FFT 來完成的。</span></p>" }, { "question": "FFT 瀑布圖上顯示的是什麼與時間的關係？", "answer": "<p><span>在 FFT 瀑布 vs. 時間上，您會顯示一個 FFT，該 FFT 是根據採集的信號計算的，每次計算。 這為您提供了在測量時間內所有計算出的 FFT 的概覽。</span></p>" }, { "question": " FFT 瀑布圖與 RPM 顯示什麼？", "answer": "<p><span>與在每次 FFT 計算中更新的 FFT 瀑布與時間相對，FFT 瀑布與 RPM 會在預定義的 RPM 變化時更新。</span></p>" }, { "question": "階次 FFT 瀑布與 RPM 上顯示的是什麼？", "answer": "<p><span>階次 FFT 瀑布與 RPM 顯示諧波及其在旋轉軸速度上的幅度。</span></p>" } ], "relatedProducts": [ { "__typename": "ProductRecord", "slug": "sirius", "title": "SIRIUS® Modular", "subtitle": "模块化数据采集 (DAQ) 系统", "image": { "url": "https://www.datocms-assets.com/53444/1654677172-sirius-modular.png" } }, { "__typename": "ProductRecord", "slug": "mini", "title": "SIRIUS® Mini", "subtitle": "4-通道振动/噪声分析仪", "image": { "url": "https://www.datocms-assets.com/53444/1659516795-sirius-mini-cover.png" } }, { "__typename": "ProductRecord", "slug": "krypton", "title": "KRYPTON®", 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