Thread: Higher end Chinese controllers?
2 Weeks Ago #11
Chinese are on a vacation till end of the week. Its national holiday there.
They recommend the GSk218 as it is more expensive. They want too much money for it. Though i think it has to has some serious benefit for new modern machining centers.I have not looked deep into it. 980 and 990 are GSk but not the 1000, which is totally different company. The paneling is difference in letter V vertical, H horizontal and so on.
"Cnc makers" are very expensive resellers. Their only benefit is that they are a bit more responding, speaking english and have the web a bit better than typical chinese web. Nothing more. Their "wholesale" prices were ridiculous. And i said that to them.
2 Weeks Ago #12
I know the Chinese are on holiday, and I'm surprised I even got a response. I wasn't expecting any until next week.
CNCmakers just emailed back with the prices for the 218, and unless they offer something magical over a similar spec Newkye unit on aliexpress, they won't be getting much business. Prices quoted are $2300 for the standard 3-axis simultaneous version, or add $800 for the 4-axis simultaneously version.
I'm going to spend some time going through the spec sheets to see what the actual differences are between the models. I'm aware the H/V relate to the control panel orientation, and generally a T means Turn, and a M mean Milling, but the rest seems to be a bit of a lucky dip.
The main makes I'm aware of so far are, Newkye, GSK, and SZGH, although I'm sure there will be some re-branding going on.Avoiding the rubbish customer service from AluminiumWarehouse since July '13.
2 Weeks Ago #13
2 Weeks Ago #14
Newkye do appear to be the cheapest, but what concerns me is the lack of information. Even the product listings on their website/aliexpress are pretty much all identical, with little information as to what the differences actually are.
Take for example on Aliexpress they have two 4-axis milling 1000 series controllers with Panel C (the panel I'd like), but one is a "best price NEW1000MDb" and the other a "Modbus type NEW1000MDc" with a $110 premium.
Is the difference between them simply one has Modbus, and what are they actually referring to as Modbus? GSK have controllers (983 series IIRC) that will only work with their own bus link servo drives, so are they referring to a drive control Modbus, or do they simply mean conventional Modbus for communicating with a PC. If so, does that mean the cheaper one doesn't have the ability to be drip fed from a PC?
The other thing I have noticed, is some controller manuals don't mention anything about being able to run of a USB stick. They have instructions for copying files from USB, but nothing about running from USB.
Having spent a good bit time looking through and comparing the GSK manuals last night, other than certain models having specific features, I suspect the difference between a lot of the models is simply different hardware, but still with the same key features.
The 988 series are the top of the range controllers, capable of 6 axis with 3 spindles.
1000/990 other than being physically different, I can't find anything majorly different in the specs.
983/980 (bus version) are for bus controlled servo drives.
218 seems to be a newer version of the 990, or a lower spec version of the 988.
Certainly for what I'm looking for, the GSK 218MC-H seems like the best fit. However the standard control panel doesn't include a MPG, but a remote MPG may be a better option.
I'm not going to make any decisions until I've heard back from the other suppliers, to see what they suggest, and what their prices are.Avoiding the rubbish customer service from AluminiumWarehouse since July '13.
2 Weeks Ago #15
If the road takes you anywhere near Bristol, come and have a look at the 980MDc on my machine to get a feel for it.www.emvioeng.com
Stocking more goodies than just Smoothsteppers
2 Weeks Ago #16
I perfectly understand what you are saying, after 2 weeks spent trying to figure things out and reading manuals. Its an absolute mess. I even have tried to make an Excel file so i could compare. They have absolutely no idea how to sell a product to an European or a Westerner in general.
You would not believe the insane conversations i had last 2 weeks with different Chinese companies.
What is your specific need that you find that you need the 218 versus 980 controller?
2 Weeks Ago #17
Komatias, I've not got any plans to be down that area, but if I do happen to be, I'll give you a shout.
Boyan, the GSK990 (their 980 now appears to be a bus link unit only) is just a pretty basic control panel, whereas their 218MC-H or V control panel comes with E-stop,FRO,SSO,Cycle Start/Stop knobs/buttons. The only option listed for the 990, is an additional panel, which is just a precut frame for adding your own controls.
The reason I'm looking at the Chinese controller option, is I want a ready made control panel, and don't want to be faffing around making one. If I wanted to do that, I've got a KFlop+Kanalog+KStep sat in a cupboard, or a pair of Mesa boards lying around that would work well for this machine, but both of those involve trying to mount a PC in the machine.Avoiding the rubbish customer service from AluminiumWarehouse since July '13.
but both of those involve trying to mount a PC in the machine.
with a SSD it will also run off 12V It is being mount on the control box door inside. Using a mesa 5i25/7i76 combo..Clive
I have been looking on Alibaba and ther appears to be several cnc control makers making what looks like copies of the popular gsk and newke models. Not sure yet whether it is just the front panel or whether the whole unit is copied. As someone has said cnc maker are expensive but at least you have a good idea what you are purchasing.
2 Weeks Ago #20
Ideally I'd just like to modify/make a housing, wire the controller in, bolt it in place, configure it, and be good to go.
The big thing is cost/time.
A good metal industrial panel mount keyboard with track pad/ball is around £200, a suitable resistive touchscreen monitor is another £200, then you have the cost of separate switches, which will probably be at least £50 for good quality ones, and say another £50 for assorted wiring/connectors to connect that lot up. That's £500 before you even consider the controller or PC, which means you can quite easily spent £1000 on the hardware. Then you still need the time to design it all, build it, and wire it up.
Admittedly, that's buying stuff new, and building a good industrial quality controller, which is overkill for most hobby users, but when you need the machine to make money, you have to consider the whole picture.Avoiding the rubbish customer service from AluminiumWarehouse since July '13.
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