Author Topic: Wanhao D7 SLA Printer... under 500  (Read 4454 times)

Offline CdRsKuLL

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Wanhao D7 SLA Printer... under 500
« on: March 27, 2017, 10:25:18 AM »
A SLA printer for under 500.00,  I just couldn't resist....



I'll be doing a full review when it turns up. I've not used an SLA before so it's going to be a bit of a learning curve.  I'll document it as I go just in case you want to follow the same path. 

  • Is it really easy to use? 
  • What's the print quality like?
  • How long does it take to print?
  • How expensive are the prints?

Just some of the questions I'm hoping to answer.... can't wait for it to come..  new toy :-)
« Last Edit: March 27, 2017, 10:28:17 AM by CdRsKuLL »
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Offline sunnyc90

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Re: Wanhao D7 SLA Printer... under 500
« Reply #1 on: March 27, 2017, 01:32:36 PM »
SLA's are a different animal. You need to print the parts always on a support structure. I am sure the software will do this on its own but never print the parts flat on the bed or vertical. Print them on an angle of 45 degrees or so with as many support structures as possible. the support breaks away very easily and is easy to clean. Also, once cleaned let it cure under UV light for a few hours before working on them. Curing them will make them much stronger. Do you have a source for the liquids yet?  If not check these guys out https://makerjuice.com/

Is it really easy to use?
Once you figure out the part positioning. Its easy to use and maintain.
 
What's the print quality like?
Far better than FDM but parts can be brittle if not cured properly.

How long does it take to print?
Depends on the resolution. But they are much faster than FDM. 60% faster in some cases

How expensive are the prints?
Much more expensive since the liquids can be costly depending of the material finish you want. To give you an idea, the liquids are twice as much as the filaments for FDM. Also, what has not been used should be kept in a UV safe bottle for storage. I provided a source with decent prices. https://makerjuice.com/products/g?variant=19772271683

PS. Thanks for all the work you do!
« Last Edit: March 27, 2017, 01:40:35 PM by sunnyc90 »

Offline CdRsKuLL

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Re: Wanhao D7 SLA Printer... under 500
« Reply #2 on: March 27, 2017, 02:03:36 PM »
Hey Sunnyc90,  first welcome to the site :-)  and thanks for the great info. I'm been doing some reading and watching reviews already and from what I understand the D7 doesn't like the maker juice G+.  It seems it has something to do with the bed not moving much and after a while the pigment settles in the bath.  'Fun to do' resin seems to be okay but I'm not sure if this is just the clear. If so, then the G+ might be the same where clear is okay.  It's defo costs more but I'm wondering how much FDM filament do I actually waste ?  At the moment quite a lot. The brittleness does concern me a little, would you recommend getting a UV light.. also is it uvA / B or C ?  I need to do some more reading!

I would also need to re-design the mavic to suit the bed size.. or even build a mini-mavic :-)
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Offline sunnyc90

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Re: Wanhao D7 SLA Printer... under 500
« Reply #3 on: March 27, 2017, 02:22:04 PM »
Thank you! I have been hanging around watching builds and in the process to start building my own soon. Here is a site to give you better information with Fun to Do resins (http://www.buildyourownsla.com/forum/viewtopic.php?f=19&t=2630). I am a bit surprised that the maker juice wont work with D7 since since its not a laser type printer. It's based from a Projector style Printer but rather than a bulb it uses a UV LED to cure the resin and yes I definitely recommend getting UV lamps to speed up the curing process and it will evenly cure the part unlike just leaving it out by the window. UVA is the most commonly used source.

https://www.amazon.com/ADJ-Products-BLB18W-Ultraviolet-Blacklight/dp/B00MRH7NWM


I like the sound of a mini mavic. :-)

Offline Kondratev

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Re: Wanhao D7 SLA Printer... under 500
« Reply #4 on: March 27, 2017, 08:52:35 PM »
Steve where did you get a sla for 500.  I have been wanting one but they are always super expensive.

Offline CdRsKuLL

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Re: Wanhao D7 SLA Printer... under 500
« Reply #5 on: March 27, 2017, 09:12:22 PM »
shhhh.. it's who you know ;-p

Email Gary and ask him for a price including shipping to your address. He accepts paypal so it's really easy to pay.  From what I understand the D7 has just been released so not all stockists have information on it. I thought it was best to get it from Wanhao themselves.

His email address is - gary@wanhao3dprinter.com  he's the general manager there.  Tell him you saw the D7 on DIYRC and he might even give you a little discount ;-) can't promise anything but worth asking.

There are a few reviews up on YouTube which I've been watching but like you say.. they are normally 2k plus. 

Let me know if you take the plunge.

Steve

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Offline CdRsKuLL

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Re: Wanhao D7 SLA Printer... under 500
« Reply #6 on: March 27, 2017, 09:19:15 PM »
Ordered a UV lamp from Amazon UK.  http://amzn.eu/6PLa0V4  I've also ordered a clip on lamp holder.. going to look at making a curing box.. maybe with a timer on it.

I think if I can find resin for about 50 per litre then I would be happy. I currently pay about 15-20 per 1kg roll of filament but I bet I waste half of that.. lol 
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Offline Busted44

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Re: Wanhao D7 SLA Printer... under 500
« Reply #7 on: March 27, 2017, 09:38:52 PM »
That's very tempting I was close to hitting the buy now but put off by the print volume.

It will be interesting to see what other companies release now Wanhao have broke the 500 price barrier.

Offline Kondratev

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Re: Wanhao D7 SLA Printer... under 500
« Reply #8 on: March 27, 2017, 09:45:51 PM »
Thanks Steve.  I'm gonna take the plunge.  I have to get one.   I need a third printer in my home haha

Offline CdRsKuLL

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Re: Wanhao D7 SLA Printer... under 500
« Reply #9 on: March 27, 2017, 10:16:27 PM »
Busted44, Yeah the volume isn't great but for small components like the gimbal I think it's made for it. :-)  You do have a 200mm height limit so I'm guessing things could be rotated more that way. If you do this then you get a 120 x 200 x 68.. which isn't bad.  I would have to play a bit to see whats possible. .. Mavic base would fit if you stood it up.

You're governed by the size of the LCD screen I think with it at the moment.
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Offline Kondratev

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Re: Wanhao D7 SLA Printer... under 500
« Reply #10 on: March 28, 2017, 04:24:35 PM »
Steve I took the plunge.   I ordered two of the d7 wanhao

Offline Busted44

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Re: Wanhao D7 SLA Printer... under 500
« Reply #11 on: March 28, 2017, 04:37:28 PM »
Kondratev, ordered 2...wow, thats a brave decision knowing its only just been released.

I was watching some the youtube videos last night of the pre-release models and looked into using a raspberry pi so it can be used untethered from a computer.
I am so tempted but resisting (maybe) as I know this will only open the flood gates and expect more models to be released soon. and this should help reduce the price of the resin as well.

Steve/Kondratev, do you have a delivery date or will it be a case of expect it when ever it arrives?


Offline CdRsKuLL

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Re: Wanhao D7 SLA Printer... under 500
« Reply #12 on: March 28, 2017, 06:57:05 PM »
wow.. 2, I should be on commission!   :-)   No delivery date mentioned, I'll email him and ask.

Regarding the PI, yes I've been doing some reading and I think it's going to be a great addition to be honest. My current PC has 3 screens and a projector attached so I don't have any free hdmi ports.  I did a bit of reading and someones already come up with a solution but you need to reflash it with different firmware that talks back it seems.

Will do some more reading tonight.

Steve
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Offline Kondratev

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Re: Wanhao D7 SLA Printer... under 500
« Reply #13 on: March 28, 2017, 07:09:35 PM »
Yea I figured why not. He said discount if I get more than one hahah could not resist.    The second will be a nice present for my wife's brother.   For shipping all he told me was that it was really fast.   Not sure if it's gonna come from China warehouse or the u.s, one.   He is gonna email me tomorrow on more info of purchase.

As for the pi.  Yes do it. Currently use 7 different pi,s for each of my projects.  For example. Got one hooked up to current printer for octopi.  Another one for media center.  Third one as a door bell.  Once some one rings door bell. It will take there picture and send me a text message of it.  I have another as a NAS server to back up all of our phones laptops computer etc.   one to search for alien life forms Ghana yes you read that right.   

I would invest in a pi 3 or even the new zero.   I like the 3. Since it's got a very good CPU and just plain awesome.  Let me know if you guys ever need help setting up.  The raspberry pi is one of my favorite projects I work on.   Shoot Steve. As a appreciation to what you have done here on DIYRC I would more than happy to send you one.   I have about 20 in stock.  Just message me your address

Offline CdRsKuLL

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Re: Wanhao D7 SLA Printer... under 500
« Reply #14 on: March 28, 2017, 07:43:36 PM »
Hey Kondratev,

Thanks for the kind offer but Ive got a pi3 somewhere i bought for a retropi project that needs finishing.. yet another project!  oh and Ive got one running home automation thats never really worked so i might just use that one.

I have another printer coming soon to do a full review on.. well two actually but cant say much more until its confirmed.

Defo think the PI is the right way to go.. once configured do you just connect via a webpage do you know? upload the stl via that?

steve
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