Re: wood splitter pictures and comments

Posted by Wardner on November 18, 2006 at 20:21:07 from (206.148.20.217):

In Reply to: wood splitter pictures and comments posted by phil lowe on November 18, 2006 at 18:39:10:

Stepped keys are available for mismatched keyways. There is no need to make one. Try an industrial supplier like Graingers or a local bearing house. Better yet, go to a machine shop and have them broach the smaller keyway to match the larger one. A good shop will have the broach and mandral and they can do it while you wait. The job is done in an arbor press and takes ten seconds.

When you reach the end of the stroke in either direction and continue to send fluid to the cylinder, you are "dead-heading". That is a no-no. Something will break. Most likely an old hose. In your case, it was the keyway.

Throw that valve in your junk pile and get one with a relief valve. They cost around $70. Make sure the setting is around 2500 psi or lower.

If your pump is in good shape, a six inch ram will produce about 40 tons. That is about double what most people run with a four inch ram. Four inch is marginal on some wood like elm. Your six inch ram should barely notice the oak you are spliting.

You have a decent sized pump if your cycle is ten seconds with a six inch cylinder.

If your transmission is running one-to-one, throw that in the junk pile too. I suspect you are stepping up the output RPMs. That's OK because the pump can run faster than 540.

It looks like you have a ten inch I-beam. That is marginal. A ten inch wide-flange beam would be more than adequate. You need to watch for flexing as it is warning you of the possibility of taking a permanent bend. A good log splitter beam will not flex. I have seen heavy six inch wide-flange beams handle a five in ram with no deflection with a log placed in a cross-cut position.

Please reduce the size of your pictures to 640 pixels. Thanks.

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