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  1. #1
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    Default Nagase SWG-4 Operators Manual

    Just bought a Nagase SWG-4 surface grinder. Does anybody have a PDF of an operator's manual or service manual that may help me out with this machine. Looks reasonably simple to operate but would like some info.

  2. #2
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    We have a general rule on this forum that NO PICS, DIDN'T happen
    Did you search on Google?
    Kryn
    To grow old is mandatory, growing up is optional.

  3. #3
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    Found a 20 second video on google https://www.youtube.com/watch?v=9KJjogGuyBw , but that's about it for useful information.... until I found the manufacturer's website and figured out that the model is SGW, not SWG NAGASE INTEGREX Co.,Ltd. | Product information | ??????????? SGW/M SERIES

    They still make them and I'd imagine the Japanese are quite meticulous with record keeping, so it might be as simple as contacting them NAGASE INTEGREX Co.,Ltd. | Latest information

    Going off internet pics https://www.graysonline.com/lot/0001...edwardstown-sa it seems pretty straightforward: right handwheel is rise/fall, middle wheel is in/out, left wheel is manual side-to-side, the levers in front of the table are for table movement and auto cross-feed and I'd guess the knob on the front is stepover size for the auto cross-feed

  4. #4
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    Lots of googling. Will try contacting Nagase.

  5. #5
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    Tried contacting Nagase again and this time they replied!!! I now have a copy of the SGW-4 manual.

    Reading through it I note that the machine requires 11.9" of concrete under the machine. That is huge. I only have a 4" concrete floor in the shed. What are your experiences with surface grinder mounting? Do you have thick floors or are you getting away with a depth similar to me?

  6. #6
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    Im sure a foot of concrete wouldn't hurt but there are plenty of grinders making good parts on wooden floors or thin domestic concrete. Remember a manufacturer has to guarantee performance so a spec like that results but youll be fine.

  7. #7
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    The other thing to consider is that the foot thick concrete may be for an isolated plinth.
    If you're putting it on a slab then you effectively have it connected to a larger mass. Probably all a bit academic unless you're going to bolt it down anyway.

    If you really wanted - assuming the existing floor is on the ground (and not forming the roof on a room below) then its pretty simple to cut a square out, dig deeper and add a thicker section. Reasonably commonly done when people put in 2 post vehicle hoists at home and they are a bit suss on the existing concrete.

    Steve

  8. #8
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    Yes I have considered that. Will have a think, the 4" concrete floor is on a few inches of compacted dolomite that it sitting on rock. Might be OK as it is...

  9. #9
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    Perhaps these would give some of the damping benefits without having to dig in a foot of concrete https://www.essentracomponents.com.a...oduct_id=30988 The baby 170kg feet are under $300 for a set of 4

  10. #10
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    The concrete foundation would be for reducing vibration from other nearby machines rather than for the accuracy, remember these machines were sold to shops that would have dozens of different machines running at one time, or maybe even some stamping presses. Most grinders that size are monolithic and don't require the floor for alignment (ie my SJ12 only has 3 leveling feet). your concrete slab will be fine, assuming your not running a 60T stamping press in your garage while using the grinder.

  11. #11
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    almost certainly just the one machine running at a time.

    The grinder is over 1000kg..

  12. #12
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    Quote Originally Posted by Mk1_Oz View Post
    almost certainly just the one machine running at a time.

    The grinder is over 1000kg..
    I often machine parts that weigh more than that.

  13. #13
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    Default Copy of SWG-4 manual

    Hi MK1 OZ, i am new to this forum. I have just picked up a Nagase SWG-4 today and was searching online for a manual (as it requires some maintenance) when I came across this thread. So I was hoping you may be willing to share a copy of your manual with me.

    Cheers Matt

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