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demo D204

Statistical process control

Control limits against spec limits, which are not the same thing

type: 'control', y, baseline

Building…
Loading a live grid…

The configuration

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.27.0/lattice-grid.min.css">

<script type="module">
  import { defineLatticeGrid } from 'https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.27.0/modules/webcomponent.esm.js';
  defineLatticeGrid();
</script>

<div id="chart" style="height: 340px"></div>
<lattice-grid row-key="id" style="display: block; height: 320px; margin-top: 14px"></lattice-grid>

<script type="module">
  import { createChart } from 'https://cdn.jsdelivr.net/npm/@toclocoinc/lattice-grid@1.27.0/modules/charts.esm.min.js';

  const el = document.querySelector('lattice-grid');
  el.config = {
    columns: [
      { field: 'part', title: 'Part', layout: { width: 110 } },
      // The spec declares the tolerance; the control chart reads it.
      { field: 'bore', title: 'Bore', type: 'number',
        spec: { lower: 9.5, upper: 10.8, target: 10 } },
    ],
  };
  el.rows = rows;  // machined bore measurements

  // baseline sets the control limits over the first readings. The chart reads
  // el.grid, the live grid inside the element, so it follows the table.
  createChart({ grid: el.grid, container: '#chart', type: 'control', y: 'bore', baseline: 20 });
</script>