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Author: Site Editor Publish Time: 2026-11-11 Origin: Site
A buyer asking us for a Chapati Flour Mill Machine for Commercial Atta Flour Production usually expects a different grinder. What we actually change is the flow. Atta keeps the bran in the finished product, so the cleaning, dampening, break and sifting decisions all shift compared with a line built to pull white flour out of the same wheat. Quoting a standard flour plant and changing the sieve at the end does not produce the meal a chapati maker recognises.
This is how our engineers configure that flow, using only the machine counts and extraction figures we publish for our wheat plants. Atta-specific protein, ash or granulation targets are not on our pages, and we will not fill that gap with a plausible-looking figure. Those belong in the order, agreed against your wheat sample.
Whole wheat atta is defined by what stays in the bag. A refined flour line separates endosperm from bran and germ as early and as cleanly as it can. An atta line has to keep bran finely distributed through the meal without turning it coarse or gritty. That is a different objective for the roller gap, the sifter and the number of grinding passes, even though the raw grain and many of the machines are the same.
We start by asking what the buyer's market calls atta. In some towns it means a fairly fine wholemeal for soft flatbread; elsewhere it is coarser, with visible bran and a shorter shelf life. Those two products need different sifter decks and different tempering. If a request arrives with only a tonnage, we send it back with three questions about the finished meal. Our chapati flour mill overview collects those questions.
The cleaning train is not a formality on an atta line, because the bran you keep is the bran that was on the grain. Our 100T lists three separating, two scouring, two dampening and three magnetic separating stages. The 220T lists three sieves, two beating, one destoner, computerised dampening and three magnetic separators, with two dampening stages to improve the tenacity of the wheat skin so bran comes off complete.
That last phrase matters more for atta than for white flour. If the bran shatters into dust during grinding, it disappears into the fine streams and the meal loses the texture buyers expect. Our engineers use the dampening stages to hold the skin together, then set the break rolls to open the kernel rather than scrape it. The dampener unit is therefore a quality component on this flow, not merely a preparation step.
On a refined line, purifiers and scratch systems work to pull clean endosperm away from bran. Our 220T description states that purifiers and sifters are matched to obtain the maximum wheat cores for milling, and that the tail mill, scratch and reduction systems use smooth rolls with an impact detacher to raise yield and quality. That configuration is built around separation. For atta we want much of the bran to rejoin the final meal, ground fine enough to be evenly distributed.
We do this by changing cut points rather than removing machines: streams that would go to bran or feed on a white flour line are reground and returned to the atta stream. We publish extraction rates for graded flour, not an atta specification, so your target goes in the contract with a test method instead of a number we cannot reproduce.
Scale changes the flow more than buyers expect. Our 100T plant uses ten sets of double-roller mills and three sets of high-efficiency square sifters, arranged as four break, five reduction, one coarse, one tail and two purifying systems. The 220T plant runs five break, seven reductions, two scratches, two tails and six purifiers in a steel workshop of 52 by 11 by 12 metres, with six dirty wheat bins and four dampening bins.
More passes mean more chances to separate, which is useful for graded flour and a complication for atta. Our engineers reduce the number of diversion points on an atta configuration and keep the grinding gentler, because over-grinding bran produces heat and a darker meal. The wheat flour mill range shows the full ladder from 15T to 300T, which is where we begin when a buyer has not yet settled on capacity.
Published configuration at two wheat plant scales | |||
Item | 100T plant | 220T plant | What changes for atta |
|---|---|---|---|
Cleaning | Three separating, two scouring, two dampening, three magnetic | Three sieves, two beating, one destoner, computerised dampening, three magnetic | Bran condition, not just dirt removal |
Roller and sifter sets | Ten double-roller mills, three high-efficiency square sifters | Five break, seven reductions, two scratches, two tails, six purifiers | Fewer diversion points |
Power | About 290 kW, 380V, 50HZ | 630 kW, utilisation factor 60-65 percent | Same supply question at both scales |
Workshop | 30 by 12 by 11.5 metres | 52 by 11 by 12 metres, six dirty wheat and four dampening bins | Bin count affects tempering control |
Containers | Three 40ft, one 40HC, one 20ft | Four 40ft, five HC, one 20ft | Site access before the order |
We publish extraction figures for two wheat plants, and they show the trade-off clearly. The 80T plant lists 80T per 24H with a yield of 65-70 percent for special grade 1 flour and 72-78 percent for grade 2 flour. The 120T plant lists 120-130 T/D, a roller length of 14400 mm, and extraction of 75-80 percent for standard flour, 70-75 percent for grade 2 flour and 68-72 percent for grade one flour.
Those numbers are not atta yields, and we want that stated plainly. They describe how much flour a plant draws off when it is configured for graded wheat flour. An atta flow retaining bran will sit on a different basis altogether. What the figures do tell a buyer is that higher grade means lower extraction, and that any quotation promising both maximum yield and the lightest flour deserves a second look.
Published flour extraction rates and what they mean | |||
Plant | Flour grade | Published extraction | Reading |
|---|---|---|---|
80T | Special grade 1 | 65-70 percent | Lightest grade, lowest yield |
80T | Grade 2 | 72-78 percent | More of the kernel in the bag |
120T | Grade one | 68-72 percent | Tighter front streams |
120T | Grade 2 | 70-75 percent | Wider cut points |
120T | Standard flour | 75-80 percent | Highest published yield |
All | Whole wheat atta | Not published | Must be agreed against a wheat sample |
Sifting decides where a particle goes next, and on an atta line it also decides how coarse the bran feels in the finished meal. Our 150T plant lists four sets of 6 by 24K high-efficiency six-section plan sifters alongside twelve FMFS6 by 2 roller mills and two double purifiers. That sifter surface is there to make many clean separations. For atta we need fewer, and we need the returned bran stream ground again before it reaches the final collection point.
We specify the cut points in the drawing, not in a sales email. The flour sifter range covers the machines involved, but the deck arrangement is a project decision. A buyer who changes wheat origin mid-season will see the granulation move even if nothing else changes, which is why we ask for a sample from the actual intake rather than a generic description of hard or soft wheat.
Dampening is a time-dependent step, and time is the part buyers rarely budget for. Our 220T plant has six dirty wheat bins and four dampening bins and uses two dampening stages specifically to adapt to wheat of different initial moisture. Holding grain long enough for moisture to penetrate evenly is what gives the bran its tenacity and the endosperm a predictable break. Shorten that hold and the whole flow drifts.
We ask buyers to show us the bin capacity and the intended throughput together, because a tempering system sized for a steady 24-hour run behaves differently when the plant is started and stopped twice a day. We do not publish a tempering time in hours; it depends on the wheat you buy and its condition at intake. Our engineers set it during commissioning against your own grain, then we write the observed setting into the handover notes.
An atta order should end with a sample that both sides keep. We ask for a wheat sample from the buyer's actual supply, run it on the configured flow, and agree on the meal before the plant ships. Colour, bran distribution, granulation and the absence of sand or off-odour are all things a miller can judge by hand; a protein or ash target needs a laboratory method and a named tolerance.
Where a buyer wants a written guarantee for any of those, we put it in the order with the test method, the sampling point and who pays for the test. We will not attach a figure to a parameter we do not publish. The engineering and service background describes why we work this way: our team has configured plants for markets with quite different flour and unga expectations, and a sample settles those differences faster than a specification sheet.
A Chapati Flour Mill Machine for Commercial Atta Flour Production is a wheat line configured around keeping bran, not a grinder with a new sieve. Two-stage dampening, gentler break rolls, fewer diversion points and a sifter deck for an evenly distributed meal are the changes we make. Our published machine counts give the framework; the atta specification comes from your wheat sample.
Tehold International supplies grain cleaning, drying, storage, milling and packaging equipment as turnkey packages, and we would rather run a trial batch than quote a granulation figure we cannot stand behind. Send your wheat, the meal your market buys and your target tonnage; we will return a flow diagram with the cut points.
The same machines can, but not the same settings. A graded flour line pulls endosperm away from bran; atta needs the bran ground fine and returned to the final stream. We change the cut points and loosen the break. Protein, ash and granulation targets are not figures we publish, so we agree them against your wheat sample.
Because bran that shatters during grinding loses the texture a chapati maker expects. Our 220T plant uses two dampening stages and computerised dampening to hold the wheat skin together and obtain complete bran. We do not publish a tempering time in hours; it depends on the moisture and condition of your grain.
They show the trade-off between grade and yield: 65-70 percent for special grade 1 and 72-78 percent for grade 2 on the 80T, and 68-72 percent for grade one through 75-80 percent for standard flour on the 120T. These are graded-flour figures, not atta yields, so we ask for a wheat sample rather than quote a percentage.
It depends on the tier. Our 100T lists a 30 by 12 by 11.5 metre building, about 290 kW at 380V and 50HZ, and three 40ft plus one 40HC plus one 20ft. The 220T lists a 52 by 11 by 12 metre steel workshop and 630 kW at a 60-65 percent utilisation factor. We mark those dimensions on your site sketch first.
That the configured flow produces the meal your market buys from your actual wheat. We judge colour, bran distribution, granulation and freedom from sand or off-odour on a retained sample, with a named laboratory method for any protein or ash figure. Guaranteed items go into the order with a test method.
