Good Hobby CNC Machine
I'm thinking seriously about getting a CNC. Been browsing on Ebay. Mostly these China made 3020 cnc machines are popping up, and they all seem to be relatively well priced. Just thought I'd get some opinions from members on any actual experience on these. Also any recommendations on getting a hobby CNC machine in general would be greatly appreciated. I'm planning on using the machine to make hub plates, motor mounts, etc. I'd probably be milling aluminium and/or carbon fibre.
LIST OF EQUIPMENT UNDER CONSIDERATION:
Motors/Controllers:
- cadcamcadcam.com (servo motors and controller)
- 3-axis Stepper Motor System based on DQ542MA, on Ebay
- 6-axis Stepper Motor System based on DQ542MA, on Ebay
- DC1 Servo Motor Controller, from Makerbot
- Servo Motor Encoder
05/26/2012: After some discussion. This blog is starting to look into building a CNC machine of our own. Keep following to stay informed. We're in the brainstorming stage at this point any input from users is welcomed.
05/27/2012: DIYDrones CNC Project group is created. Let's move our activity to that group.
Comments are closed for this blog post
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Comment by Ellison Chan on May 24, 2012 at 9:17am -
There's also one's like this where the spindle motor is not mounted on the gantry, like a dentist drill. Are these better and more accurate, due to the better motor, and lower weight on the gantry motors?
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Comment by Ellison Chan on May 24, 2012 at 9:22am
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Wow, I'd love to get a machine that can sculpt turbines, but that's probably out of my budget, and I can imagine the mess of needing coolant spray all over the place.
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Comment by Ellison Chan on May 24, 2012 at 9:29am
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Yes, I would want to mill soft billet aluminium. I don't mind it being slower. Do you think that 3020, I posted would be able to mill something like that turbine blade in the video? Are the one's with separate spindle motors better?
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Comment by Ellison Chan on May 24, 2012 at 9:33am
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If I had a CNC machine I can make my own trunnion table. ;-)
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Developer Comment by R_Lefebvre on May 24, 2012 at 9:50am -
Monroe, my wife hates you. ;)
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Comment by Ellison Chan on May 24, 2012 at 9:56am
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Lol, just doing small parts. If I get a larger machine, I'm gong to have to start a business to justify the cost, and write off the expense. ;-)
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Comment by wilfrid.babilas on May 24, 2012 at 11:02am -
I use this model from 6 month,
I buy it for less 900$ with shipping,
It run with Carbon fiber and Aluminium for my Drone !
Show the result :)
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Moderator Comment by Ruwan on May 24, 2012 at 11:19am -
@wilfrid.babilas could you tell more about the machine? from where did you buy?
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Comment by Ellison Chan on May 24, 2012 at 11:22am
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Monroe, when you get chance have a look at these specs for the one listed above:
Specification Effective Traveling Range 200(X) X 300(Y) X80(Z) mm Machine Dimension 410(X)*540(Y)*440(Z) mm Working Table 240(X)*440(Y)*20(Z) mm Frame Material Aluminum Alloy 6061/ 6063 Driving Core X: 1605 ball screws Y: 1605 ball screws Z: 1605 ball screws Sliding Core X: Dia. 16mm Y: Dia. 16mm Z: Dia. 12mm Limit Switch X, Y, Z (2 switch per axis) Stepping Motor 57 2 phase 3A 1.8 Degree (Brand New) Spindle Motor 48V 180W DC High Speed motor (Brand New) Principal Axis Collet ER11 / 3.175mm Spindle Speed PWM up to 3000-13000 RPM Repeatability 0.05mm Max No Loading speed (X, Y, Z) 2500mm / min Spindle Precision (Beat error) 0.01 - 0.04mm Carving Code G code/TAB files/nc file/NCC files PC connection Parallel Port OS Win2000 XP (Support Mach2 Mach3) Carving Speed Depend on material Weight 25KG CNC Controller Input 110V to 220V (Switch interchange, we will changed in factory according to your country) Front Panel Switch Emergency Stop Limit Switch Enable/Disable Power ON/ OFF Spindle Speed control Limit Switch Connector Yes, support up to 6 limit switch Motor Connector Paraellel Port Motor Connector X, Y, Z,S1(4th axis) Spindle Motor Support Control Software Mach3,EMC2 (Setting on Mach will be provided after purchase) Thermal Control 24V Fan for cooling Regulated Power Supply Spindle Motor: 48V 7A 350W Stepper Controller: 24V 10A 240W
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Comment by Michael Pursifull on May 24, 2012 at 11:27am -
This blog entry is a question, and belongs in the forum. Please delete it and restart it as a discussion in the forum. Please remember to always give blog entries (and forum posts) a proper title. Without a title, the Ning platform is having problems handling the article. It appears as "No Title" in some places, and in other places uses the entire text of the blog as a title. This makes navigating a difficult mobile site nearly impossible. Moderators are also expected to follow the guidelines regarding blog posts, but are expected to self-moderate because their posts are not subject to approval prior to publication. Thank you.
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