10 Questions You Should to Know about hydraulic oil press machine

How do you use a hydraulic oil press machine? Oil press machine FAQ

Hydraulic oil press machines could process peanuts, sesame, walnut, avocado, palm, and other raw materials. And the oil press machine is always popular in many countries. Here the post lists the most frequently asked questions about the hydraulic oil press machine.

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What is a hydraulic oil press machine?

The hydraulic oil press is a kind of oil press equipment with simple operation, high oil output rate, and less replacement of wearing parts in the mechanical oil press. It is a new generation of equipment that replaces the manual operation of small sesame oil. Because of the small amount of squeezing (1-15 kg/time) and short time (8-12 minutes/time), it is suitable for fresh squeezing and selling.

Oil press machine FAQ

This hydraulic oil press machine directly adds the fried oil into the barrel to squeeze out the oil, and quickly make pure sesame oil. People have witnessed the production process of sesame oil. The hydraulic oil pressing equipment is professional equipment for pressing sesame, peanut, walnut kernel, almond, pine nut, tea seed, and other high oil crops.

FAQ about hydraulic oil press machine

What raw materials are suitable for hydraulic oil press?

Olives, avocado, sesame, walnuts, etc.

What is the material of the machine?

Galvanized.

Is the machine inside stainless steel?

We can customize it for you.

For your hydraulic oil machine, is the material stainless steel or copper?

Alloy, no oil press machine is stainless steel, it will not rust.

Which part is made of alloy?

The whole body.

How long does it take to squeeze oil once?

8 min.

What is the oil output rate of the hydraulic oil press?

The raw materials are different in each place, and the oil production rate is different.

Does your company have a certificate?

Yes, we have a CE certificate.

How does this machine filter oil?

It can match with a vacuum oil filter or centrifugal oil filter.

Is there a special oil press for sesame seeds?

A hydraulic oil press machine is suitable for sesame seeds.

Is it easy to operate?

Yes.

Screw and hydraulic press machine, which one gets more oil?

It depends on how many raw materials do you want to deal with.

If I cooked 30kg then I keep and used for hydraulic machine, is that any problems?

Want more information on Sunflower Oil Machine? Feel free to contact us.

No problem.

Does the hydraulic oil press need to be preheated?

Yes. It needs to be preheated for 10 minutes.

What is the preheating temperature of the hydraulic oil press?

70-80'.

Is it possible to use this machine to squeeze walnuts?

Yes, but it must be cooked before.

Vulnerable parts of hydraulic oil press?

Mainly squeezed sticks, two will be given for free.

Is the sesame oil hydraulic screw good?

The hydraulic oil output rate will be higher.

Is hydraulic pressure cold-pressed?

Yes.

What is the maximum hydraulic output?

200-250kg/h.

What is the pressure required for each model?

Generally 55 MPa, the maximum can be changed to 60 MPa.

What is the oil yield of avocado?

30%-40%.

Where is the feed inlet of the hydraulic oil press?

Top.

Is it edible if it is hydraulically fried?

No.

I hope that the oil press machine FAQ may answer your questions about the hydraulic oil press machine. If you are interested in this machine, feel free to comment or contact us.

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How to Use Oil Press Correctly to Prolong Its Service Life

If you want to ensure your oil press a long service life, a knowledge of these five things as below are necessary.

First, you must read its operation manual carefully to be familiar with its features and operating method. It is a guide for a fresher who know little about oil press.

Second, have an overall check before starting up to make sure all the fasteners are not loose, the handle revolves flexibly and all the spare parts operate well without any abnormal sounds when you turn the pulley. Then pour machine oil into reduction gearbox. Loose the locking nut and adjust stretching screw by anticlockwise revolves to help the conical surface of the squeezing bolt tightly support that of oil cake outlet. After that, roll out the stretching screw by clockwise revolve for 2 circles and then revolve the locking nut tightly to be ready for starting up.

Third, adjust the temperature controller within the suitable temperature range, 130 to 180 degrees (depends on oil plants). Then, wring the master heating switch to pre-heat the machine. At this time, the green light on the temperature controller will turn on and the red light will turn off. In view of the range of temperature is controlled and stated between 130 to 180 degrees automatically, two lights will change oppositely when the temperature reaches the given degrees. If you press the SFB of the host engine, it starts to operate. And the rotate direction of squeezing shaft should be anticlockwise.

Fourth, once the new oil press machine has been installed, you should make pre-press for 2 to 8 hours. Slowly put the squeezed oil cakes into the feeding hopper to squeeze over and over again till the squeezing bolt is polished and the molded oil cakes flow out smoothly. Remember never to directly pour oil plants into the feeding hopper at first but rather feed them with your hands to prevent the jam of the squeezing shaft. If, due to excessive oil plants feeding, abnormal sounds appear in the chamber or the squeezing shaft is jammed, stop operating timely to eliminate jam and continue to pre-press after re-installment. It is strictly prohibited to operate oil press forcibly or pour materials reversely.

Try to match what's already in there.
Don't mix types or brands.
Not everything is compatible.


Weight will depend on operation temperature.

I would probably go thinner than you for my freezing temperatures.

http://www.machinerylubrication.com/Read//select-hydraulic-oil





Perhaps change it all at once ?
Any sludge on the bottom, or steel on the magnetic plug ?
Cut apart the filter and see if there is any metal / dirt in it. Thanks for the help. I bought the press used 15 plus years ago. I have no idea what kind of hydraulic oil it has. Maybe I should just drain it and put new oil in. I still need to decide what kind of oil to use.

Thanks for the help. I bought the press used 15 plus years ago. I have no idea what kind of hydraulic oil it has. Maybe I should just drain it and put new oil in. I still need to decide what kind of oil to use.

I'd say it's probably about time for an oil change then Tom.


Edit to add: Most pumps don't specify type of hydraulic fluid to use these days from what I've seen. Although I've seen some recommend Automatic Transmission Fluid. Iso 32, 46 or 68 (Light, Medium, Heavy) should all work. If you're in a really cold climate the lighter may be better, but the heavier is more heat efficient up to a point. I'd probably go with Medium, unless told otherwise. All oils are noncompressible, which is why you can use just about anything in a hydraulic system...even water, which of course you wouldn't, number one because it has too low a viscosity and number two it would rust out all the innards. ;-) Of most importance is the viscosity and that has more to do with operating temperature than anything else for a press. In New Mexico, I doubt that cold termperatures are going to be much of a concern for you, so a good medium viscosity oil would serve you well. Other considerations beyond viscosity would be detergent oil or nondetergent. Some hydraulic fluids also contain antiwear additives. I don't think you'd need to be too concerned with detergents nor antiwear in a home press.

If it were me, I'd go up to the local autoparts store and just buy a few quarts of ATF (which is a hydraulic fluid)...the press will work just fine. Didn't realize we were talking about a forging press. Naturally the OP is going to want to fill to the rated capacity, and not just a few quarts. The tractor supply places sell hydraulic fluids in 5 gallon pails for tractor transmissions, which also usually run the front end loaders and power take off. I haven't bought any in about 6 months or so, last time I changed out the oil in the tractor, but if memory serves, I believe I paid around $40 per can for the 'Traveler' brand. Keep in mind that some hydraulic fluids don't play nice with common o-rings and packings, though that usually is only a concern with some of your special application oils or certain aviation hydraulic oils. Stick to a "normal" hydraulic oil (ATF, AW32, ect.) and you'll be ok. The best answer is to replace with the manufacturers recommended oil, but that may not be possible to find out.
P.S. Skydrol is one of those that likes to crack certain packing/o-ring materials. Its been a while since I worked on an aircraft that uses it, so I don't remember off the top of my head which ones it doesn't like. AlaskanHunter is right. Don't put skydrol into a machine that was designed for being used with regular mineral oil. Those usually come with NBR o-rings. They are not capable to be used with skydrol. You would need EPDM o-rings and gaskets for that.
Just drain the whole system, maybe even open up the tank and clean the inside. I would also change the filter.
Depending on the type of pump and how it is mounted you might have to prime it before you can run it again.
Good luck.


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