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ExploreTypical oil expellers & oil mill machinery products
Oil expellersCold-press oil machinesMini oil millsFilter pressesComplete oil-mill plants
Typical products for this category, not a claim about any one company’s range.
What are oil expellers & oil mill machinery?
Oil expellers are screw presses that squeeze oil from seeds such as groundnut, sesame, mustard, coconut and sunflower. Rajkot and Gondal make many mini expellers and cold-press machines, and larger makers supply complete oil-mill plants with cookers, filter presses and storage. The right machine depends on the seed, capacity and whether you want cold-pressed or conventional oil. Most buyers are small and medium businesses, so after-sales support matters. Ask for a demonstration on your own seed, the expected oil recovery, and the price and availability of the screw and cage. A simple, robust machine with spares nearby often beats a complex one that stops for weeks.
How to choose
- Start with the seed and the quantity you will press per hour or per day. Capacity differs for each seed.
- Decide cold press or hot press. Cold pressing keeps seed below a set temperature and suits premium oil; hot pressing usually gives higher recovery.
- Ask for the expected oil recovery on your seed and the residual oil in cake, and confirm it in a trial.
- Check the screw and cage material and hardness, since these wear and are the main spares.
- Review the motor rating, gearbox and cooling, and the size of the electrical connection you need.
- Plan the whole line: cleaning, pressing, filtering and storage, not only the expeller.
- Confirm availability and price of wear parts and service.
- Think about what happens to the by-product: the pressed cake is sold as animal feed or fertiliser, so confirm how much residual oil it holds and plan how you will store and sell it.
Specifications to confirm with the supplier
| Specification | What to ask |
|---|---|
| Capacity per hour | Rated throughput for your seed. |
| Motor and gearbox | Rated power, gearbox type and cooling. |
| Screw and cage | Material, hardness and replacement cost. |
| Oil recovery | Expected recovery and residual oil in the cake. |
| Press temperature | Cold-press capability and temperature control. |
| Filtration | Filter press or other method for clean oil. |
| Cake handling | Residual oil in cake and how the cake is discharged. |
Where it is used
- Food ProcessingEdible oil extraction and filtering for small and medium oil mills.
- AgricultureOn-farm and village-scale oil pressing from locally grown seed.
Frequently asked questions
What is the difference between cold press and hot press?
Cold pressing limits temperature and keeps more natural flavour; hot pressing generally recovers more oil per kg of seed.
Which part wears out first?
The screw and cage wear with use and are the main spare parts to budget for.
Can one expeller press different seeds?
Often yes, but capacity and settings differ by seed, so ask for performance figures on each.
How much power does an oil expeller need?
It depends on capacity and seed. Ask the supplier for the motor rating and the electrical connection required for the model you choose.
Do I need a licence to sell edible oil?
Food-safety registration and labelling rules apply to edible oil sellers. Check the current requirements with the food-safety authority before you sell.