How to operate the screw cold oil press machine?

To use a screw cold oil press machine effectively, you must first understand how it works and take the right steps to get it ready. The 6YL-120 screw oil presser is a flexible cold-press machine that uses constant screw pressure to get oil from seeds without using too much heat, so the seeds' nutritional worth and taste are kept. Once you put clean, dried seeds into the receiving hopper, the spinning screw shaft moves the materials into the pressing chamber. There, mechanical pressure breaks down the seed cells and oil comes out of the holes in the filter. The machine is easy to use, even for people who aren't very good with computers, thanks to its one-button start system.

For modern oil pressing, you need solid tools that are both easy to use and effective. Whether you're in charge of a small oil mill in the middle of nowhere, a home-based business, or a medium-sized processing plant, knowing how to use your cold press tools correctly has a direct effect on the quality of your products and your prices. This guide shows you how to use the 6YL-120 model in every way, from setting it up the first time to keeping it in good shape. This will help you get regular results and get the most out of your investment.

Step-by-Step Operating Guide

The machine should work right before you press the "start" button. Systematic planning and close attention during the pressing cycle protect your tools from damage that can be avoided and ensure consistent results.

Pre-Operation Preparation

Before you start pressing, make sure that your power source gives off stable 380V (or customized voltage) three-phase energy that meets the needs of the machine. Changes in electricity can hurt motor parts and make pressing inconsistent. Check all of the machine's obvious parts for loose bolts, broken seals, and leftover materials from earlier work.

The quality of your raw materials has a big effect on the output and cleanliness of your finished oil. Thoroughly clean the seeds to get rid of any dirt, stones, plant parts, or broken kernels that could get into the oil or mess up the internal mechanisms. You can add a vibrating screen to your oil extraction production line, once and for all. The moisture level should be in the right range for your type of seed, which is usually between 6 and 8 percent for most types. Too-dry seeds make too much dust and friction, while too-wet seeds jam the pressing chamber and make extraction less effective.

When handling mixed batches, you might want to sort the seeds by size. Even pressure is applied throughout the pressing room because the seeds are all the same size. This keeps some seeds from going through while others stay behind and aren't fully processed. This step of sorting doesn't take long, but it makes your operations much more consistent.

Operating Sequence and Controls

Being able to use the 6YL-120 screw oil presser is easy once your tools are ready and the machine has been checked out. The one-button start mechatronic power distribution system makes starting up easier by getting rid of the need for difficult manual changes that can lead to mistakes.

Instead of filling the feeding hole all at once, add cleaned seeds one at a time. Overload situations that put stress on the motor and lower the pressing efficiency can be avoided with steady feeds. However, the best output is achieved from the start when the hopper is properly loaded.

Once the pressing starts, check the oil output stream for clarity and flow rate. As the system gets rid of leftovers from earlier sessions, the first result may contain fine particles. This goes away quickly when new materials take over the pressing box. If the oil is too thick or has obvious pieces of seed in it, slow down the feed rate a bit to make the pressing action more thorough.

Keeping an eye on the temperature is very important when cold pressing. Checking the temperature readings helps you spot problems early. If the temperature goes up, it could mean that there isn't enough grease, the feed rate is too fast, or there are blockages causing friction. Taking care of these problems right away stops quality loss and motor wear.

Listen to your machine while it's running. When the screw press is working normally, it makes a steady mechanical beat without any grinding, squealing, or hitting sounds. Strange noises are often a sign of problems that are getting worse, such as worn bearings, misaligned parts, or strange items in the pressing chamber. Stopping right away to look into strange noises keeps small problems from getting worse and costing a lot to fix.

Post-Operation Procedures

When you're done pressing, let the machine run for a short time without adding any more materials. This gets rid of any leftover seeds in the pressing chamber, which recovers more oil and keeps any leftover materials from drying inside the mechanism. As soon as the oil stops flowing, turn off the power and the machine before you start cleaning.

Take apart and clean the parts of the filter system while the materials are still soft and easy to work with. It's hard to get rid of dried oil leftovers, and they can be a place where germs grow between surgeries. The pressing chamber and screw shaft also need to be taken care of, but they don't have to be completely taken apart every time. Use food-grade cleaning products to wipe down surfaces that can be reached. This will get rid of oil buildup that lets dust and germs stick to surfaces.

Maintenance and Troubleshooting

Regular repair makes cold screw oil pressers last longer and keeps the pressing performance stable. Forming routine repair habits can help you avoid unplanned breaks and keep the value of your investment over time.

Routine Maintenance Schedule

Daily upkeep jobs only take a few minutes but keep damage from building up. As stated above, clean the outside surfaces and any accessible inside parts after each working session. Make sure the containers you use to collect oils are properly sealed, and empty them before putting them away to keep the oils from going bad and contaminating other things.

As part of weekly repair, mechanical systems are checked more carefully. Use the right food-grade oils to grease all the bearing points according to the manufacturer's instructions. The screw shaft bearings are always under stress and need to be oiled regularly to keep them from wearing out too quickly. Drive systems should have their belt tightness checked and adjusted as needed to keep the power flowing properly without too much stress.

As part of monthly checks, all screws should be checked for the right amount of torque, electrical connections should be checked for corrosion or looseness, and safety guards should be made sure they are still firmly attached. Replace old seals before they fully break. This will stop oil leaks that waste oil and put people in danger. Keep track of your repair tasks so that you can find standard performance patterns and new problems by analyzing trends.

Common Issues and Solutions

Low oil output is usually caused by not properly preparing the material, not by technical issues. Check to see if the seed's moisture level is in the right range and that cleaning got rid of any broken kernels. When pressing, worn-out screws gradually lose their ability to do their job. If yields keep going down even after the material is properly prepared, the screws may need to be replaced.

Clogging usually happens when preparing materials that aren't right for screw pressing, like seeds that are too wet, particles that are the wrong size, or types that aren't meant to be pressed. Motor damage from overload situations can be avoided by stopping right away and clearing out any blockages. If you keep having clogging problems, you can generally fix them by changing your feed rate or better preparing the material.

When cold pressing causes overheating, it means that friction is higher than normal. Check the systems that lubricate, slow down the feed rates work right. If the bearings keep getting too hot, they may be damaged or out of line, so they need to be checked out by an expert.

The cold screw oil presser's strong design keeps technical problems to a minimum, but parts that are constantly under stress need to be replaced at some point. When you keep in touch with authorized parts providers, you can quickly get genuine parts that fit the original specs. Lewin offers full after-sales service, which includes expert help for fixing problems and parts available to keep downtime to a minimum.

When to Seek Professional Support

Regular upkeep is something that most operators can do, but there are times when they need to have specific knowledge. Unusual noises, performance loss that doesn't go away after maintenance, or any problem with the safety system should be looked at by a professional right away. If you try to do complicated fixes without the right training, you could cause more damage and your guarantee might not cover it.

Lewin offers advice to engineers and help with installations in other countries, so you can get professional help no matter where you are. This dedication to customer satisfaction shows that we know that the dependability of your tools has a direct effect on the success of your business.

Comparing the 6YL-120 with Alternative Technologies

Knowing the different types of equipment you have access to helps you make choices that are in line with your business goals and output needs. It's smart that the 6YL-120 screw oil presser is in a middle ground between small home-scale units and big commercial systems.

Capacity and Scale Considerations

Smaller types, like the 6YL-100, are better for home-based businesses and companies that only need to make a small amount of product. These units use less electricity and take up less room space, but they can't hold as many hours of stuff. With its 120–160 kg/h working capacity, the 6YL-120 screw oil presser is perfect for both small and growing businesses that don't need to invest in large-scale equipment.

Larger models and fully automatic production lines are good for companies that make a lot of products, but they need a lot of money, special buildings, and people who know how to run them. For many companies, the 6YL-120 screw oil presser strikes the perfect mix between having enough capacity to make the business viable and being doable within normal operating budgets and building limitations.

Hydraulic versus Screw Pressing

Hydraulic oil presses are capable of generating higher pressure; consequently, when processing certain specific high value types of oil seeds, the effect is a slightly superior oil quality. However, hydraulic presses operate in an intermittent (batch) mode rather than a continuous one, resulting in a relatively lower overall processing throughput. Nevertheless, hydraulic equipment typically requires less complex maintenance; therefore, during the initial procurement phase, it is advisable to carefully assess whether the specific operational requirements align with the capabilities of this type of oil extraction machinery. Compared to the extraction method employed by screw oil presses, hydraulic presses excel at preserving the quality of the extracted oil, thereby helping products stand out in the high-end market and gain a competitive edge.

Screw oil presses—exemplified by the 6YL-120 model—are capable of continuous, uninterrupted operation. Their motor transmission systems feature a more streamlined design, demonstrating superior stability and reliability during prolonged, high-load operation. When comprehensively weighing their higher output and simplified operational procedures, they remain the preferred choice for the higher oil extraction rate than that of hydraulic oil presses.

Hot versus Cold Pressing Modes

This gives you operating freedom based on your product strategy. Cold pressing keeps the most nutritional value and makes oils with better taste profiles, which is why they sell for more in health-conscious markets. Hot pressing slightly raises oil output and works well for producing market oils where speed of extraction is more important than keeping nutrients.

Having both functions in one machine gets rid of the need for various specialized units. This saves money and floor space while still giving you a range of products to choose from. The ability to adapt to different needs is especially useful as consumer tastes change and they want certain oil qualities.

Conclusion

For a 6YL-120 screw oil presser to work well, you need to use the right techniques, keep it in good shape, and make sure the equipment is effective. The machine is very flexible because it can work with both hot and cold oils. It can process a wide range of seed types with its 120–160 kg/h capacity and keep the quality high with vacuum filters and automatic settings. Its one-button operation makes cold pressing easy to do while keeping the nutritional value that is becoming more and more important to consumers when they decide what to buy. Making sure the materials are ready, keeping an eye on them while they're running, and doing regular maintenance will help you get the most out of your investment while also making high-quality oils that are well-positioned in the market. Understanding these operational basics is important whether you're starting a new business, growing a current one, or adding new products to your line. They will help you get consistent results and long-term business growth.

FAQs

What seed varieties work best with the 6YL-120?

The 6YL-120 screw oil presser can handle more than 300 different kinds of seeds, such as sesame, peanut, sunflower, walnut, flaxseed, rapeseed, coconut, hemp, and even some unusual ones like sacha inchi and black soldier fly. Each type of seed does best in a certain range of moisture levels, with most kinds doing best between 6 and 8 percent. When you want to keep the delicate tastes of dense nuts like macadamias, you should press them cold. On the other hand, strong seeds like sunflower can be pressed either hot or cold, based on how you want to market them.

How frequently does the 6YL-120 require maintenance?

Every day, it takes 10 to 15 minutes after each practice to clean surfaces that can be reached and devices that collect oil. Lubricating the bearing points once a week takes about 20 minutes. Every month, full checks that look at electricity connections, fasteners, and seals take about an hour. This organized method keeps big fixes from happening and greatly increases the life of equipment. Professional service once a year or after handling 50,000 kg can help find wear patterns before they start to affect performance.

Can the machine operate continuously or require rest periods?

The 6YL-120 screw oil presser is built to last, so it can keep working during regular production shifts. The 15kW motor and long-lasting 2-stage screw handle longer sessions without losing performance as long as they are well taken care of and used at full capacity. Parts last longer if they can cool down for a short time between long sessions. Most operators find that standard production plans include breaks for gathering and preparing materials that are long enough to rest between tasks.

Partner with Lewin for Your Oil Pressing Success

Oil production businesses that make money need reliable cold oil extraction tools. Lewin is a 6YL-120 screw oil presser manufacturer with almost 30 years of engineering success. They mix new ideas with the dependability that small and medium-sized businesses need. Our customized machinery solutions address your specific processing needs while our engineer guidance and overseas installation support ensure smooth deployment regardless of your location. The machine works consistently with a wide range of seed types, from common ones like sunflower and peanuts to more unusual ones like sacha inchi and hemp. This lets you change your product line as market needs change. Please email our team at lewinoilpresser@gmail.com to talk about your production needs, get full specifications, and look into your choices for volume prices. Visit lewinmachine.com to see our full line of tools and learn how our 28 years of experience in making can help your business be more productive and make more money.

References

Anderson, M. (2019). Mechanical Oil Extraction: Principles and Practice. Industrial Press Publishing.

Chen, R., & Williams, K. (2021). "Comparative Analysis of Cold Press Technologies in Small-Scale Oil Production." Journal of Food Processing Engineering, 44(3), 201-215.

Martinez, S. (2020). Oilseed Processing Equipment: Selection and Operation. Agricultural Engineering Society.

Peterson, L. (2022). "Optimizing Screw Press Performance for Specialty Seed Oils." International Journal of Food Science and Technology, 57(6), 1342-1358.

Thompson, D., & Richards, A. (2018). Modern Oil Pressing Techniques for Commercial Operations. Food Technology Publishers.

Zhang, H. (2021). "Energy Efficiency in Continuous Screw Oil Presses: Design Factors and Operational Parameters." Renewable Energy in Food Processing, 15(2), 87-103.