How rice milling works

Trace one batch through the line

Begin with a defined input batch. Record its weight, variety, condition and moisture measurement. Keeping these observations together makes later comparisons meaningful.

1. 01PaddyHarvested grain with its husk
2. 02HuskingRemove the outer husk
3. 03Paddy separationSeparate remaining paddy
4. 04WhiteningRemove the bran layers
5. 05GradingSeparate size fractions
6. 06PackingPrepare the finished product

Separate before whitening

Husking does not necessarily remove every husk on the first pass. A paddy separator directs unhusked grain back for another husking pass while brown rice continues toward whitening.

Finish and grade for the intended market

Whitening and polishing address different parts of the finishing task. Grading sorts the finished rice into size fractions. Neither a finishing machine nor a grader repairs kernels that have already broken.

Make a simple stage record

Investigate a change systematically

Compare the same batch at adjacent points. When a symptom first appears between two points, inspect that stage and its upstream feed. If the symptom is already present at the inlet, investigate the batch before assuming a machine fault.

What this flow cannot tell you

An idealized diagram does not specify motor size, throughput or roller clearance. Those values require the exact equipment documentation and a defined test condition.