Author Topic: Any one now about wood splitters  (Read 6086 times)

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Offline leadslead

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Any one now about wood splitters
« on: July 30, 2015, 09:16:58 pm »
I have a 27 ton blue box store specHal it's cycle time is around 20 sec I was woundering what I could do to make it faster I split 30-40 cord a year I'd like to split more but splitter is slow & I run out of time any advice would help thanks buying new spitter is not a option
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Offline redline

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Re: Any one now about wood splitters
« Reply #1 on: July 30, 2015, 09:50:36 pm »
I asume it has it's own engine driving the pump?
Ours has a 3 point mount and is driven off the tractors auxillary hydraulics.
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Offline Tom Price

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Re: Any one now about wood splitters
« Reply #2 on: July 30, 2015, 10:11:34 pm »
If it is a self contained unit with a gas engine driving a hydraulic pump you could get a different pump with more GPM to speed it up but you would loose force


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Offline PJG56

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Re: Any one now about wood splitters
« Reply #3 on: July 31, 2015, 04:46:38 am »
I have a 27 ton blue box store specHal it's cycle time is around 20 sec I was woundering what I could do to make it faster I split 30-40 cord a year I'd like to split more but splitter is slow & I run out of time any advice would help thanks buying new spitter is not a option

You need about 13hp and 20 gpm 2 stage pump to fix your problem!
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Offline leadslead

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Re: Any one now about wood splitters
« Reply #4 on: July 31, 2015, 07:48:25 am »
So the faster it isthe less power it has for hairy hickory or knots ? Also the one that hooks to 3 point is that faster than 20 sec cycle time
STEVE HENDERSON

Offline Gui961

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Re:
« Reply #5 on: July 31, 2015, 09:27:54 am »
no because tractor have a single stage pump and low gpm

bigger engine and bigger pump will help your speed.

if 2 setup are for 2800 psi power will be the same
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Offline redline

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Re: Any one now about wood splitters
« Reply #6 on: July 31, 2015, 10:34:15 am »
I think ours is somewhere around a 28" or so stroke, with about a 5 second cycle time from fully retracted to full extension. So, about 10 seconds round trip. Thats with the tractor running about 1500-1800 rpm.
Thats just going from memory, have not used it since last fall. But, I know it's fairly quick. My Dad bought it back in 1977.
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Offline Huffy044

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Re: Any one now about wood splitters
« Reply #7 on: July 31, 2015, 11:58:41 am »
The two stage pump as said earlier is the answer, it shifts from flow to pressure, also change your oil to synthetic automatic fluid. Ounce for ounce ATF has the most additive package of any oil. It also has a much lower viscosity than the oil you are useing.

I have a 5" cylinder on my verticle splitter and a two cyl Onal running it, splits 4 ways at once,
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Offline redline

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Re: Any one now about wood splitters
« Reply #8 on: July 31, 2015, 12:13:46 pm »
I could be wrong, but I am pretty sure a hydraulics guy told me not to use ATF in an industrial type hydraulic system, as is disagrees with the seals commonly used.
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Offline berthyd

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Re: Any one now about wood splitters
« Reply #9 on: July 31, 2015, 03:02:48 pm »
Leadsled, i will specifically answer all your questions when I get home from work I've got too many Packer fans in my area right now. Screwing up my smart phone's ability to use the web.

Bert
Bertrand Hydraulics
Gary Busey and Rick James both used to live in my shop. Redline stole them.

Offline berthyd

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Re: Any one now about wood splitters
« Reply #10 on: July 31, 2015, 06:37:22 pm »
I am the guy that told Redline not to use red oil. Here are some answers to your questions.

1. Speed is dictated by gpm at the work port of the cylinder and the bore of the cylinder. A bigger bore takes longer to fill, and thus is slower than a comparable smaller bore cylinder. You can go to a bigger pump (more gpm), but you need more engine to turn it. The biggest 2 stage pump available right now is 28gpm. That will take a 20hp engine to turn. You would also need bigger hoses and probably valve body. Valve bodies are rated for max gpm.

2. Power in a cylinder is determined by cyl. bore and psi output of the pump. Pi R squared times psi gives you your force. While your pump may have an adjustable pressure relief,, don't mess with it. Or set the pressure higher and wait for something oily and explosive to happen.

3. Never use synthetic oil in a hydraulic application unless it was made specifically for hydraulic applications.  This oil and any red oil significantly shorten the life of seals made from buna rubber or urethane because of its detergent content. Your system has buna rubber and urethane. Red oil is used because of the cold flow characteristics, not because it's a good hydraulic oil. The manufacturer doesn't want you blowing up the pump on a cold morning.

Dedicated hydraulic oil has anti-wear, anti-oxidation anti-foam additives. Red oil doesn't. Oils rated with the AW designation are fine to use in your system. AW 20 is light, AW 32 is a good all-around weight, and anything higher is strictly warm weather, 70 degrees or warmer.

I love red oil because it creates work for my shop. But brown oil is the way to go.

Your speed is what it is unless you're willing to spend $$ or ignore safety.

Bert
Gary Busey and Rick James both used to live in my shop. Redline stole them.

Offline leadslead

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Re: Any one now about wood splitters
« Reply #11 on: July 31, 2015, 08:52:10 pm »
Thanks for input
STEVE HENDERSON

Offline Huffy044

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Re: Any one now about wood splitters
« Reply #12 on: August 03, 2015, 11:23:48 am »
See http://www.arboristsite.com/community/threads/can-i-use-atf-dextron-iii-in-my-wood-splitter.56858/

There is one guy one here that says his log spluitter specifically requires ATF.  I got the ATF idea from a teacher in a Noria oil class
I attended, it's worked for me more than 20 years? Not argueing, just saying
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Offline berthyd

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Re: Any one now about wood splitters
« Reply #13 on: August 03, 2015, 07:35:33 pm »
Like I stated Tommy, red oil is recommended by log splitter manufacturers because of cold flow ability. Pump damage can occur immediately on a cold winter day because of poor cold flow of brown oil. Proper warming of a hydraulic system by idling for a time will prevent this damage.

The pump, if using brown oil will fail immediately without the warming procedure, and possibly while still under warranty. Red oil degradation takes a couple of years. No warranty.

Bert
Gary Busey and Rick James both used to live in my shop. Redline stole them.

 

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