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| Linear and Rotary Motion Discuss ball/Acme screws, R&P, linear slides and theory here. |
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#1
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Hello my geeky friends. I am possibly about to make (for me) a major purchase, around $350 for a pair of 54" IKO LRW30 linear guides and bearings.. This is a major component I need for a medium sized gantry router I have been planning for years. The problem is, they are going fast, even at this price, but I want to see a datasheet before I purchase these. If they dont work, i am slightly worried about recovering my money. Even if i cannot find this datasheet, I will probably purchase them in about an hour... I mostly want to see just how big they are, and what the tolerances are reported to be when they were new... Also, if someone can think of a good reason not to purchase these(such as that they ahve some to sell me) let me know. Thanks! Robert |
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#3
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| i havent bought them. i made offers of $250, and $270, both refused. so, i am treading water waiting for better deals to pop up... you got them from the JRhelicopter seller? it is frustrating, i would have purchased them, but he didnt respond when i asked where he got his data, or if he knew where there was a datasheet.. cl;early he had some technical info on the things... oh well.. i wanted to see what the accuracy\foot was... and see a drawing of the blocks to figure out what actual travel would be... once you get them, please let me know. he has 4 more sets, and i am still considering them.. i wish he had taken the $270.. the more i sink into components, ballscrews, rails, limit switches, fastening hardware, extrusion, aluminum plate, etc.., steppers, etc... the more I wish i had started out purchasing complete axis... sure the work area would be a bit smaller, but it sure would come out better, and probably cost less, and the accuracy.. i am sure my machine wont reach the .0005 these lienar components sometimes brag.. thx! robert. |
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