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  1. #31
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    Jun 2010
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    You've also purchased a later model Makita too? Hmmm...

    As posted previously I considerably reduced the run out in my Chinese router by fitting a genuine Makita collet; this was a relatively cheap ($21) option to determine if the issue was in the machining of the collet or the shaft. Would you please be able to expand on your test to measure the run out & vibration of the Chinese unit using all three collets; and how the 3DTek collet performs in the genuine Makita router compared to the OEM one?

    As I have two Chinese router bodies if there is a noticeable difference between the Makita collet and the 3DTek in the Chinese router then I might splurge and invest in one of those too.
    A thief stole my anti-depressants. I hope heís happy now.

  2. #32
    Join Date
    Aug 2002
    Location
    Williamstown, Melbourne
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    448

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    Quote Originally Posted by derekcohen View Post
    The 1/4" collet from 3DTek arrived yesterday - super quick delivery...
    Not only this, but 3DTek included a 1/8" collet, which I did not order. I assume it was a gift!
    Do you think the 1/8" collet would be suitable for Dremel bits? For the very rare occasion I need to make small grinds or cuts, I could try hold the trim router by hand and use it that way?

    Or am I being stupid, because for $40 I can get a whole Ozito dremel with parts.

  3. #33
    Join Date
    May 2011
    Location
    Albury
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    Quote Originally Posted by John G View Post
    Do you think the 1/8" collet would be suitable for Dremel bits?
    Absolutely. Ideal for any 1/8" shank bits.
    Forum members PM me for a discount on all my products - https://www.ebay.com.au/str/aldavsstore

  4. #34
    Join Date
    Jul 2008
    Location
    geelong
    Posts
    154

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    All I can say is As far as trimmers go- some are worse -but good - still waiting to get feedback -still waiting etc. The metal bodies are a clear advantage conpared to the plastic -accuracy etc. - chances the guts of it is still the same.Some brands you run gfrom . In this category I couldn't recommend anyone from experience. You might pay twice the $ and get the same kinda crap. Mostly used Makita trimmers at work -but I don't pay for them -or the replacements?
    One of my best VALUE buys has been a Ozito random orbit sander -has taken a thrashing over the years - even worn out it's main bearing -on the random orbit bit (Was the gruntier version) have known Makita ones to die within half the time. _Absolutely not a recommendation for the brand. Have had total from them as well- (heavy duty ) jigsaw had molten plastic coming down the shaft- was replaced once -the next one had it too the shaft wandered about as this happened. I presume that the molten plastic WAS the guide for the shaft. Still using the same blade that was used with BOTH of these saws -lots of life left in the blade!!!!! Other Ozito issues - battery drill -battery melted!, drop saw Vauge as with the settings. But the random orbits were good.

  5. #35
    Join Date
    Apr 2001
    Location
    Perth
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    Photos to share. Please keep in mind that I have done my best to obtain as accurate a result as possible for run out on three collets in two machines, however my set up is rudimentary at best! I did redo all measurements, and they were repeated.

    All collets and machines were cleaned with compressed air.

    The machines are the Makita RT0700CX (on left) and the Chinese equivalent.





    The custom 1/4" collet came from 3DTek. They machine them for CNC use. There is also a 1/8" collet, which they sent as a gift!



    This is an example of a replacement on eBay ...



    It is difficult to say whether it is any different from the Chinese version as the image is much larger and shows any roughness. The photo does look rougher than my version (the one that came with the router)

    These are the collets examined (Chinese, Makita, 3DTek) ...



    The 3DTek was a tight fit ...



    I could not see much difference in the collet nuts (Makita on right). The threads on the Makita seems a little cleaner...



    The set up ...





    Above ... the router bit used was a 1/4" carbide upcut. This was cleaned and polished before hand. I did have a straight "set up" bit, but this was found to have higher roun out, and discarded.

    Readings: All bits are zeroed, and then the widest deviation recorded (below) ...

    Makita with Makita collet :



    Makita with 3DTek collet:



    Makita with Chinese collet ...



    Chinese trim router with Chinese collet ...



    Chinese Trim router with Makita collet (I did this three times - same result!) ...



    Chinese Trim router with 3DTek collet ...



    There are some slightly variable results with the 3DTek, but the pattern is clear (I think ..): the Chinese trim router is decent, while its collet is not. Perhaps it depends on the seating of the collet. I tried a few twists, but did not get different results in my measurements. The Makita collet seems very good and not really that different (no better, no worse) than the 3DTek collet. Looking at the rougher finish in the eBay version, i would not purchase one. I suspect it is the same, or no better, to the collet which came with the Chinese router. I did purchase the 3DTek, and that has now gone into the Chinese machine.

    Regards from Perth

    Derek
    Visit www.inthewoodshop.com for tutorials on constructing handtools, handtool reviews, and my trials and tribulations with furniture builds.

  6. #36
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    May 2011
    Location
    Albury
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    Thanks Derek. That's conclusive enough for me. I ordered a genuine Makits 1/4" collet earlier this week and now have the confidence to invest in some 3Dtek collets. Still concerned about possible run-out problems with any collet that is only a cone (because of larger internal dimensions not allowing the collet to be full depth) but I'll post my results here when I have something to report.
    Forum members PM me for a discount on all my products - https://www.ebay.com.au/str/aldavsstore

  7. #37
    Join Date
    Jan 2005
    Location
    Campbelltown NSW
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    73
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    125

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    Quote Originally Posted by derekcohen View Post
    Chinese Trim router with 3DTek collet ...



    There are some slightly variable results with the 3DTek, but the pattern is clear (I think ..): the Chinese trim router is decent, while its collet is not. Perhaps it depends on the seating of the collet. I tried a few twists, but did not get different results in my measurements. The Makita collet seems very good and not really that different (no better, no worse) than the 3DTek collet. Looking at the rougher finish in the eBay version, i would not purchase one. I suspect it is the same, or no better, to the collet which came with the Chinese router. I did purchase the 3DTek, and that has now gone into the Chinese machine.

    Regards from Perth

    Derek
    Isnít that photo showing a runout of 1.09mm? Or is it 0.109?
    Last edited by apple8; 16th Nov 2019 at 07:22 PM. Reason: Second thoughts

  8. #38
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    Jun 2010
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    Bundaberg
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    Iíll take a stab at 0.09mm; I suspect the DTI was set up at zero but with a full sweep on the dial already. When youíre expecting sub-millimeter measurements you just ignore what the counter says and watch the needle.
    A thief stole my anti-depressants. I hope heís happy now.

  9. #39
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    Jun 2010
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    Bundaberg
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    Thank you very much Derek, for that comprehensive test. Your test rig isnít any less rigid than what I used and Iíll take your measurements as valid as my own.

    A real surprise to me was your reading of the OEM collet; that one was much worse than mine! Itís also good to see that my experience fitting a genuine Makita collet has also been replicated in your test.

    My unit is currently on loan at the moment; fitted with the plunge base and a 5mm straight bit it is perfectly sized for one of the ladies at the Bundaberg Woodworkers Guild. She was too nervous of normal small 1/4Ē routers but this is giving her the confidence she needs to move up to larger machines.
    A thief stole my anti-depressants. I hope heís happy now.

  10. #40
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    Apr 2001
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    Perth
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    Quote Originally Posted by apple8 View Post
    Isn’t that photo showing a runout of 1.09mm? Or is it 0.109?
    That's about 0.085mm.

    Regards from Perth

    Derek
    Visit www.inthewoodshop.com for tutorials on constructing handtools, handtool reviews, and my trials and tribulations with furniture builds.

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