Rice Mill Wiki THE RICE MILLING KNOWLEDGE CENTERField guides
From grain to understanding

The Rice Milling
Knowledge Center.

Understand the process. Know your machines.
Solve the problems that matter.

Start withBroken rice N90 rice mill Head rice
Learn the fundamentalsStart with the grainExplore the equipmentUnderstand each machineSolve a milling problemFind a practical next stepWork out the numbersYield and capacity tools
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Get to know the milling process

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Learn

What is rice milling?

Rice milling turns paddy into edible rice by removing the husk and, for white rice, the bran layers. Good milling aims to preserve intact kernels while removing the required outer layers.

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How rice milling works

A milling line separates unwanted material and progressively removes the husk and bran. Sampling between stages helps distinguish grain-quality problems from equipment-related losses.

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What is head rice?

Head rice is the whole-kernel fraction, including sufficiently long kernels under the grading definition being used. Report that definition and the mass basis whenever you quote a head-rice result.

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The troubleshooting desk

What’s happening
at your mill?

Start with the symptom. Trace the likely causes and know what to check next.

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01

Lower output than expected

Separate feed interruptions from capacity limits.

02

The mill is overheating

Locate the heat source and investigate safely.

03

Too much broken rice

Check grain condition, moisture and milling intensity.

The machine encyclopedia

Every machine has a job

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Machines

Paddy separator

A paddy separator sorts unhusked paddy from brown rice after husking. Returning the paddy to the husker keeps the two material streams on their intended processing routes.

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Rice whitener

A rice whitener removes bran from brown rice. Its operating balance affects appearance, bran removal and kernel breakage, so evaluate finished quality together with throughput.

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Rubber roll husker

A rubber roll husker removes the husk from paddy as grain passes between rubber-covered rolls. The result should be assessed by husk removal and newly damaged grain together.

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Follow the grain

One process. Connected stages.

See the complete flow
  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
Practical tools

Turn your measurements into answers

All tools
Tools

Rice mill capacity calculator

Estimate the nominal hourly paddy capacity needed to meet a daily processing target, allowing for operating hours and utilization.

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Rice milling yield calculator

Calculate head rice, broken rice, bran and husk from paddy weight. Check the balance using one clearly defined input basis.

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Model reference

A code is only the beginning

Identify the machine. Verify the configuration. Understand which specifications still need a source.

N90Identification guideSB50Identification guide
Keep a reference close

The rice milling
field handbook

Equipment records, batch measurements and maintenance in one practical guide.

Read the handbook
Useful connections

More knowledge to build on

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Rice whitener vs rice polisher

A whitener primarily removes bran from brown rice; a finishing polisher focuses on the surface of already milled rice. Confirm the actual function because suppliers may use these names differently.

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Rice whitener

A rice whitener removes bran from brown rice. Its operating balance affects appearance, bran removal and kernel breakage, so evaluate finished quality together with throughput.

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