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Lubrication System Design

05/21/2009 8:34 AM

I need to design an oil lubrication system having several (10) machines drawing from a pressurised supply with gravity return to a continuously, kindney-loop filtered storage vessel.

Question one. I need to calculate how much oil could be required at any given time. Help!

Question two. How do I determine what size tank I need to store the system reserve? Limited space available, would like 500 gallon.

Thank you.

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#1

Re: Lubrication System Design

05/21/2009 11:44 AM

Where are you located?

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#2
In reply to #1

Re: Lubrication System Design

05/21/2009 11:59 AM

Owensboro, Kentucky.

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#3

Re: Lubrication System Design

05/21/2009 12:09 PM

I'm not sure who I'm supposed to direct you to in Kentucky...

Call up our Lube Specialist, and see what he says. We typically give our engineering away for free in this industry. (its sad, I know)

(hydraulics, Pneumatics, motion control, Lubrication)

503-250-4904

His name is Kevin

Tell him Russ sent you.

If you cant get through, try the main line

503-667-9222

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#4
In reply to #3

Re: Lubrication System Design

05/21/2009 1:57 PM

Thank you very much Russ.

Sean Boyce

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#5

Re: Lubrication System Design

05/22/2009 2:07 PM

What ype of machines are these ? What is the loading condition / will it generate too much heating / if so then you need to keep Tank - Oil Sum size 3 times the normal Oil requirement.

As regards to the oil requirment at any point of time, you must calculate the quantity of Oil required by each machine multiplied by the numbar of machines under operation at that particularl moment and count the highest of all this.

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#7
In reply to #5

Re: Lubrication System Design

05/26/2009 8:32 AM

They are wire drawing machines. Basically a oil flood or low pressure shower design. Obviously the flood systems just fill a drawing chamber where stepped capstans are used to pull wire thru a cold drawing operation using carbide, composite or natural diamond dies. The wire reduction % is the fundamental controlling factor for everything else. Capstan size determines the reduction of the machine. Anyway, the only heat is generated by the circulation of the oil, the point of draw at the dies and slip on the capstans. We have several machines with tanks of only 20 to 50 gallons. We need to keep the oil below 150┬░ F, per supplier operating instructions.

Is this something that is a product of line size and fluid pressure? Each machine has a pump and supply lines of various size. I have no way to measure flow, therefore I am sure that it can calculated. The system I need is a single supply pump (with back-up) pressurizing a line the machines tap into via solenoid valve when required. They do not operate at the same time, all the time, but may sometimes. I need to know how to calculate maximum system pressure requirement, I think.

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#11
In reply to #7

Re: Lubrication System Design

03/27/2012 10:47 PM

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#6

Re: Lubrication System Design

05/22/2009 6:11 PM

What are you lubricating? Do you have compressed air? OIL SMOKE® might be the answer. Tom

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#8
In reply to #6

Re: Lubrication System Design

05/26/2009 8:36 AM

I am lubricating wire that is being drawn as well as the capstans that are pulling the wire through the dies. The systems are either a flooded or low pressure shower design. I could not find OIL SMOKE to research, too much to filter on the web, so I do not know what that is.

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#9
In reply to #8

Re: Lubrication System Design

05/26/2009 8:41 AM

I think he meant oil mist lubrication. This is commonly done on machines by spraying with atomised oil.

Just a link for you, however a lot of material exist on web.

http://www.machinerylubrication.com/article_detail.asp?articleid=799

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#10
In reply to #9

Re: Lubrication System Design

05/26/2009 8:52 AM

Thank you, I checked the link, it is more like water pouring out of a drinking fountain.

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