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Post by holmz on Jun 8, 2017 5:27:31 GMT -5
I still don't own an Erika and Mafell is making it hard by only offering the Erika 85 in 220V only and it doesn't look like they'll change their minds about it. I've already moved to the point of "acceptance" by procuring a brushless angle grinder with an intent to make it into a motor of a portable tablesaw made out of aluminum extrusions and linear motion elements to make my own "Erika" since 120V operation is a requirement for me. ... Requirement of 110v? So no 230v transformer? No 220v US drier plug? And no generator?
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Post by reflector on Jun 10, 2017 16:35:19 GMT -5
Yep. No 220V dryer plug for me, I got a gas dryer and I don't have the option to access 220V easily or retrofit the space I am working in. No generator option for the current space I work in since I'm not a contractor on site. This is in addition with a stupid requirement with it having to have a bigger working surface than my Bosch 4100 but still pack up into a small package that rolls away when I need it to (And weigh under 50-70lbs, fit into a relatively small space, have storage space/mounts in the chassis for dodads like one way rollers, push sticks, jigs, ZCIs, etc) Call me mad, overambitious and/or feeling emotionally rejected.
I also want to run the thing with battery powered grinders as an option. Just undo the pulley wheel and then take the grinder out, swap a cordless one in... I joking that I'd have one of the first battery powered table saws that accepts a normal 10" blade but it seems like Metabo is on the way to beat me with their 36V table saw at the rate I am doing things.
I should take this to another thread and just take some photos of the splitter already.
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Post by reflector on Jun 10, 2017 16:53:35 GMT -5
Photos as promised Bonus video of the improved suction in action (But no cuts, those don't really show the suction off):
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Post by kraftt on Jun 11, 2017 10:26:04 GMT -5
I looked for the manual online but couldn’t find one. Does anyone know the recommended circuit breaker size for 110v 70Ec? Looks like at 110v it’s going to pull right around 20amps if similar specs to 240v motor. So I’m guessing they might lower the power consumption for the 110v versions (?) Makes sense why they don’t offer the 85Ec in 110v. if it’s supposed to be portable.
Great idea to use a 36v angle grinder motor but I also can’t see why they wouldn’t come out with a cordless Erika within a year or two.
On the slim chance there are any 20amp 120v dedicated circuits from panel to your shop you could always use existing 12 ga wires, if run is short enough, and appropriate the white wire (again, if dedicated) as other leg for 240v and just pop in / arrange the breakers. If the building uses conduit, you could also pull through some new wires if there’s room in existing conduit. You’d be surprised how many wires are allowed in a ½” conduit. Or what about an twist lock receptacle installed next to panel and a 10ga extension to shop?
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Post by reflector on Jun 11, 2017 11:17:44 GMT -5
The Erika 85EC is rated at 2,500W, which at 120V would be ~ 20.8 amps and at 110V ("Average") would be 22.7 amps. The motor electronics are more than capable of say, having the saw operate with an amperage limit, so that it could operate on a 15A or 20A circuit. Given the saw never fully draws the rated power unless you really feed aggressively with a dull blade. This is also along with how universal motors can pull much, much more than 20 amps when you try to stall them out (With no electronics) and how breakers will tolerate some draw over the rated limit for a limited duration, inversely proportional and all to the amperage over limit.
As for the grinder, I might be utilizing a Bosch for the cordless component. The reason for this is that the new "Core" ("Eneracer" outside of the US) are apparently capable of outputting 1440W of power. Seems like Bosch did what Metabo did with their LiHD packs but Bosch managed it cram it into a very compact formfactor. Otherwise the AC powered brushless Hitachi I have is rated at 12A, which is very comparable if you look at wattage output.
The other thing is that these brushless motors are really just 3 phase induction motors being run by an inverter. Losses and all from the angle grinder gearing, they should have fairly comparable output to even a single phase 120V motor. Given, I have to also run them through a reduction belt drive so I can turn 10k RPM into 4-5k RPM on the blade.
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questa
Junior Member
Posts: 62
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Post by questa on Jun 11, 2017 11:59:33 GMT -5
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Post by reflector on Jun 11, 2017 12:11:51 GMT -5
I've only tripped a breaker on my Bosch 4100 when I run a vacuum off the same line. I avoid this problem now by running the vacuum on a 15a line and the 4100 on a 20a line. If Mafell only offered the Erika 85EC in 120V...
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Post by couson on Nov 17, 2018 2:16:12 GMT -5
I'm also struggling with getting the dust collection on the Erika "acceptable". I mean, there is lot of dust in the vacuum cleaner but in my opinion too much dust on and below the table. For the on top dust the current red hood does not create a real vacuum box. I have a slight feeling that this solution may be much better: . Did anyone try this option (or anything like that) on the Erika?
What I also have in mind for some time is adding a Oneida dust deputy. Does anyone have any experience with this? Does this addition create a stronger suction or is the only thing that it keeps almost all of the dust out of the vacuum cleaner?
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Post by couson on Nov 17, 2018 2:57:42 GMT -5
What I also have in mind for some time is adding a Oneida dust deputy. Does anyone have any experience with this? Does this addition create a stronger suction or is the only thing that it keeps almost all of the dust out of the vacuum cleaner? Ignore this question. In the meanwhile I read about these cyclones in this same thread as not being the solution (making things even worse as the suction is worse).
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Post by naildrivingman on Nov 30, 2018 6:44:44 GMT -5
What I also have in mind for some time is adding a Oneida dust deputy. Does anyone have any experience with this? Does this addition create a stronger suction or is the only thing that it keeps almost all of the dust out of the vacuum cleaner? Ignore this question. In the meanwhile I read about these cyclones in this same thread as not being the solution (making things even worse as the suction is worse). RE your results with the stock hood for dust collection. Do you lower the hood so that it clears the work by 1/4”? This is what I do and my dust collection is pretty good. RE the dust deputy decreasing suction, that is not my experience.
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Post by aas on Dec 1, 2018 6:37:09 GMT -5
I've never had good dust collection with the Erika - acceptable if I run two vacs, but never good. Dust pours out the bottom - I have two slot in shelves for the plethora of Erika accessories I have, one across the feet, one across the leg pull down bars - there is so much dust that falls on to the top shelf, it is hard to find anything on it. I have pretty much given up, I have fitted the clean box and just accepted I will die a few years younger from dust inhalation!
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Post by occamsrazor on Jun 25, 2019 13:06:15 GMT -5
Very interesting reading everyone’s thoughts and ideas on improving the Erika’s dust collection.
One thing I did with my blade dust hood was to stick door draught excluder bristle strips to each side of the hood, much like a CNC router dust shoe. It looks laughably lo-fi but it really does help to control the dust especially when ripping MDF. There is a minimal amount blowout from the front and rear of the hood where I didn’t cover up and I can cope with that and that’s with using one Metabo ASR 35 extractor with the vacuum split between top and bottom hoses.
OR
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Post by aas on Jun 26, 2019 5:45:49 GMT -5
I connected mine up to a proper chip collector with high airflow - the dust collection works pretty well. It's just that the Erika is a mobile saw for using with a portable dust collector, not a workshop saw for using with a workshop dust system. Still, since getting the Festool Precisio CS50, the Erika stays in the workshop, it will be getting a connection to the dust system when I get time.
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Post by naildrivingman on Jul 8, 2019 5:00:38 GMT -5
I have not experienced poor dust collection except when the vacuum gets beyond ~75% full, then the collection, well, sucks. I have a dust deputy on my miter saw and I am impressed at least with not having to change bags as often. I don’t believe it improves suction, but I do believe it maintain a more consistent suction. When the DD gets about 1/2 full, I do notice that I have more stray dust, but it is just that, enough to notice. I have put off a DD purchase for the Erika. I will be adding one soon. When I do, I will get back here and report my experience.
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Post by limitedtime on May 16, 2023 8:19:05 GMT -5
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