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SimpleERP

Stone crushers and M-sand

Manufacturing software for stone crushers

Turn boulders into a cost per tonne for M-sand and each aggregate size, with a bill of materials and a work order for every crushing run.

In short

SimpleERP is manufacturing software for stone crushers and M-sand units in India. A bill of materials plans boulders per tonne of output, a work order records each crushing run, and the product enters the yard at actual cost.

Illustration of a bill of materials with cost roll-up and a work order moving from planned to in progress to completed.

A manufacturing day at Godavari Blue Metal and M-Sand

On a good day the jaw crusher at Godavari Blue Metal and M-Sand takes about 600 tonnes of boulders. The cone and the screens split it into 40 mm, 20 mm, 12 mm and 6 mm, the VSI turns part of the flow into M-sand, and quarry dust is left at the end.

The partners price by habit, yet the cost of a tonne moves with the boulder source, the diesel for the excavator, the power bill and how hard the jaw plates are wearing. Without a record of each run, the M-sand rate quoted to a builder is a guess.

SimpleERP records crushing through work orders. A bill of materials says how many tonnes of boulders a tonne of output needs, a work order consumes what was really fed, and the output enters the yard at the run's actual cost.

How do I write a bill of materials for aggregate?

A BOM gives the boulders per batch of output, a scrap percentage for fines lost in the plant, and labour and power per batch. The table is a BOM for 100 tonnes of 20 mm, with boulders at their current average cost.

  • One BOM per size you cost, such as 20 mm and M-sand.
  • Power, diesel and labour per batch added to the output's cost.
  • Standard cost per tonne shown as you type.
BOM linePer 100 t of 20 mmCost
Boulders100 t @ ₹420₹42,000
Scrap allowance3%₹1,260
Power, diesel and labour per batchper 100 t₹9,500
Standard cost₹527.60 per tonne₹52,760
Godavari's BOM for 20 mm allocates boulders tonne for tonne; the other sizes from the same feed go in by adjustment or their own work orders.

What is the yield from a day's boulders?

A typical day's 600 tonnes of boulders gives around 180 tonnes of 20 mm, 90 of 40 mm, 80 of 12 mm, 60 of 6 mm, 150 of M-sand and 30 of quarry dust, with about 10 lost as fines. One work order covers one output, so choose how to record the rest.

  • The main size as the work order output, with its share of boulders consumed.
  • Other sizes added by stock adjustment with the reason Other and the run in the note.
  • Or a work order per size, each consuming the boulder share you allocate.

Illustration of stock on hand by warehouse at average cost, with a low-stock row highlighted and a movement ledger.

Sizes from the run sitting in the plant yard.

How does a crushing run move from plan to complete?

Plan the work order for the tonnes you expect, and the boulders needed are frozen with any shortage in the quarry yard flagged. Start it when the jaw crusher starts, and complete it with the tonnes measured off the stockpile and the boulders actually fed.

  • Complete from the plant on a phone.
  • Consumption defaults to the plan scaled to the output, editable line by line.
  • Planned against actual boulder cost kept on every run.

Why does M-sand cost more some weeks?

Because each completed run carries its own consumption. When softer boulders or worn VSI tips mean more feed per tonne of sand, the higher boulder figure shows on that work order and lifts the M-sand average from that day on.

  • Filter work orders by product, yard and date.
  • Overhead absorbed posted with each run.
  • Link a run to a sales order for a builder's booked quantity.

Honest limits

What SimpleERP does not do yet

  • No production stages or shop-floor tracking; a work order is planned, started and completed
  • No piece-rate pay or scrap by-product in the work order
  • Work orders are internal; job work sent outside is a purchase, not a work order
  • No by-product yield split in a single work order: one size is the output, the rest go in by adjustment or their own work orders.
  • No stage-wise counts from the jaw, cone or VSI.

Getting started

Start with manufacturing

  1. Sign up with your phone

    Name, phone number and a password. No card for the seven-day trial, and email is optional.

  2. Tell us about the business

    Type your GSTIN and the state fills itself. Accounts, GST rates, units, roles and numbering are seeded for you.

  3. Add bills of materials

    Add boulders as a component and a bill of materials for 20 mm and for M-sand, with boulders per batch, a scrap percentage and power and labour per batch.

  4. Complete a work order

    Components leave stock, finished goods arrive at real cost, and the journal posts in the same step.

FAQ

Questions, answered

Can one work order produce every size from the screens?

No. A work order has one output. Most crushers make their main size or M-sand the output and add the other sizes by stock adjustment with the run noted. If you need a cost for every size, run one work order per size with the boulders you allocate to it.

Our boulders come from our own quarry. What cost do they carry?

Whatever you put into them. Bought boulders take the supplier bill rate. Own-quarry boulders can enter stock by adjustment at a cost per tonne you work out from royalty, blasting and excavator expenses, and the work order then uses that average.

Can I record the cone crusher and VSI as separate stages?

No, there are no production stages. A run is planned, started and completed as one work order. If you sell 20 mm before it goes through the VSI, it is simply a product in stock, and an M-sand work order can consume it as a component.

Does SimpleERP count the tonnes coming off the conveyor?

No. There is no plant or weighbridge integration and no shop-floor counting. The operator or supervisor enters the tonnes produced when completing the work order, measured however you measure today: by trips, a pile survey or the belt scale reading.

See how manufacturing works in SimpleERP for stone crushers and M-sand

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