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26th January 2024, 02:19 PM #16Intermediate Member
- Join Date
- Apr 2015
- Location
- Australia
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- 44
I might just put the plans up for sale somewhere. no idea. it needs much more work!
It almost went in the bin last night.
I started off with the 8mm bit (100mm long), to put it through its paces so to say. the hole it cuts is around 9mm wide. maybe more. it's so bad that I didn't even bother measuring it. So I beefed up the router mount and the plate that swivels, as that had some flex. it didn't make much sense as if you hold it all steady there should be no up and down movement anyway, only in and out, left and right.. but its all plastic so maybe while applying the left and right movement it would move up and down.
Anyway, I reassembled the whole thing with all of its bolts and nuts and screws (as it was only partially assembled for testing), hold the fence every so carefully, and just do a shallow plunge with no sideways motion. still oversized, and the router didn't sound great. when I'd been using it yesterday I pretty much always had the (LOUD) vacuum on so I didn't notice the noise. With the 8mm*100 bit in it has quite a vibration! I put a left over piece of my machined 8mm stainless rod into the router to check runout/square. at 100mm from the router it seems to have quite a bit of runout. not sure if it's the collet or the router yet... the 6mm (only 75mm long) bit I can get decent cuts with (6.25mm or so).. I don't really want to be limited to 75mm long bits as it only gives me 25mm depth of cut with the router bit full seated.
should probably just go out and buy a makita!
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26th January 2024 02:19 PM # ADSGoogle Adsense Advertisement
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26th January 2024, 02:45 PM #17Intermediate Member
- Join Date
- Apr 2015
- Location
- Australia
- Posts
- 44
so stuck the dial indicator on, and getting 0.4mm runout at the cutting tip distance. rotated the collet 180 degrees and the runout stayed in the same direction, so I guess it's the router shaft bore. let me go indicate that. bit harder as it doesn't have to length to magnify the issue.
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26th January 2024, 04:30 PM #18GOLD MEMBER
- Join Date
- May 2011
- Location
- Albury
- Posts
- 3,031
Yep! Those cheap trimmer/routers are notorious for runout. These's a thread on here somewhere about members trials and tribulations with them. A few people seem to be lucky enough to get them going okay, but you can spend a lot of time and some money on collets and whether you have a win or not is in the lap of the gods.
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27th January 2024, 01:21 AM #19Intermediate Member
- Join Date
- Apr 2015
- Location
- Australia
- Posts
- 44
yep. I remember why I bought the ozito other than price - it came with an 8mm collet. I think the general quality is above the vevors and aliexpress makita knockoffs. There's a full tear down on youtube which shows it's a pretty well built machine.
I've ordered a makita 8mm collet from adams bits, will see if that makes an improvement. I checked the router bit vs the front of the jig and in one orientation it is perpendicular, the opposite orientation it's way out. I tried clamping a piece of timber to the front face, and it still cut too big a hole. Same when clamping timber to the fence. So I don't think it's a fence alignment/movement issue. If the collet doesn't fix it, I'll buy a 240v makita trim router. RT2070 or something like that.
Other than this issue, it works really well. I'm amazed by the dust collection. I used it without dust collection yesterday and it sends dust everywhere. starts clogging up the linear carriages and requires a good clean to run smoothly again. Interestingly, with the vacuum off, the dust port gets clogged up a fair way down, so there must be some air flow from the router bit forcing sawdust down there. With the vacuum on, you get a tiny bit down in the jig, but takes a second or two to vacuum it out.
I need to work out a perspex cover for it - it's a bit hairy having that 8mm bit spinning in the open. I'd love to work out a trigger switch for it so it turns off when you release the trigger. probably not viable as it has some electronics in it - lock button and then power button - like the makitas.
Also, it doesn't seem to need any alignment - i added a centre mark in the fence, and it's perfectly in line with the centre of the bit, and the bit sits central to the fence slot. I have mounts for a perspex alignment window if it needs it.
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3rd February 2024, 01:58 PM #20Intermediate Member
- Join Date
- Apr 2015
- Location
- Australia
- Posts
- 44
ok.
so the router is fine. the jig is fine. the collet is as good as I'm going to get I think
I ordered a makita 8mm cone collet from adam's bits, and well, it was worse than the ozito one. I figure this is because you only get the cone part, not the longer style, so it's easier to misalign the bit in the collet. I found that you can get different alignments depending on how the bit is aligned when the collet is tightened. You can hear the difference in the router between aligned and not aligned. I now do a quick check with a 4mm allen key against the shank of the bit - sit the router on it's battery so it's vertical, tighten the collet, start the router, touch an allen key as high up the shank you can/dare before hitting the cutting flutes. you can easily see, feel and hear the difference between good and bad alignment.
I think the _big_ issue is that I am exceeding the abilities of a little (what should arguably only be a 1/4" collet) router, especially considering the 100mm length of the bit. I have a 75mm bit arriving on monday. This will give 25mm depth of cut when the bit is fully inserted into the router. This will be fine for most uses. and is pretty much the max depth of cut of the DF500. I think it does 28mm to allow for offseting 50mm or 40mm long dominos. Basically if you have the DF500, the longest domino you can use is 50mm, which is what the 75mm bit in this jig will be capable of.
This is the 8mm collet I bought.
260_source_1540902056.jpg
The only other option is this:
8mm Collet for Makita Compact Routers (tsoproducts.com) from America but it's not particularly cheap, and shipping is more than the the bit. $25 for the bit, $50 for shipping. USD. That's $115 AUD. The router was only $119!!!
Also, all the diy jigs I've seen on youtube all seem to only use shorter 6mm bits.
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3rd February 2024, 05:18 PM #21GOLD MEMBER
- Join Date
- May 2011
- Location
- Albury
- Posts
- 3,031
The collet cones that Adam's Bits sells can be bought on Aliexpress for a fraction of the price and as you've found they're rubbish. There was an Australian manufacturer of collets for these router/trimmers that made good stuff. Do a Google search including the forum name in your search terms.
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16th February 2024, 03:29 PM #22Woodworking mechanic
- Join Date
- Jan 2014
- Location
- Sydney Upper North Shore
- Posts
- 4,472
I bought a 6mm from Adam’s Bits and it’s fine.i have used it heaps with my CNC.
i have an 8mm from them but haven’t tried it yet.
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