CNC Design Limited - CNC Desktop Router

14/2/2015

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CNC Desktop Router Title

CNC Design Ltd Desktop CNC Mini Muscle Machine.

What the desktop CNC market has been waiting for!

Desktop CNC Mini Muscle Machine MK2.

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CNC Design Links Welcome Forum CNC Custom Solutions CNC 200mm Coil Winder Guitar Mini Coil Winder CNC Router Machine CNC 3D Printer CNC 3D Cake Icing Machine Contact

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Please feel free to contact us on [email protected]

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CNC Design Limited CNC Desktop Router

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DIY unassembled kit.

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If you would like to view the assembly instructions to see what is included in the kit and what is involved then please click the link below: View Assembly Instructions

Fully assembled machine and fully wired.

Assembled Option1 Kit.

Please find below pictures of the New Desktop CNC Machine.

The Desktop CNC Market is flooded at the moment with cheap frames from China, that are okay for light engravi do not actually do the speeds or range of materials they claim to.

After the feedback over the last year we have concluded that there is a gap in the Desktop market for a more Ro full range of materials, just like a commercial machine, but at an affordable price for the hobby people or small b

Well the pictures below are what we have came up with and we can assure you that not only does this machine through a range of materials with ease and no chatter or wobble to be found. We offer three purchase options which will be just the frame or frame with controller and motors as shown in th in kit form to keep the price down even more.

Here is a quick run down of the specs.

Ball Screws on each Axis (Not cheap trapezoidal threads) 12mm Quad Rails on Z‐Axis 12mm Quad Supported Rails on X‐Axis 12mm Dual Supported Rails on Y‐Axis Frame built of 60x20 anodised aluminium profile. Mixture of tough 6mm‐10mm aluminium plates, custom made. Total dimension of the aluminium frame(approx): width: 465 mm x depth: 465mm mm x height: 410 mm Cutting area (Approx) X‐Axis 310mm Y‐Axis 310mm Z‐Axis 90mm Clamping area: 370mm x 160mm, width of the t‐slots: 3 x 5mm and 4 x 8mm Built in Kress spindle holder, or can be changed out for smaller holder. 3.1nm Motors on each Axis 4.3 amps motor drivers mounted in custom box to match machine. Motors fully wired and protected in flexi conduit. http://www.ukcnc.info/forums/2012cncmachine.php

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Inductive Sensor Limit/Home Switch on each Axis with custom mount brackets. Emergency Stop button wired back to controller.

As you can see below the Quad rail setup on the X and Z Axis means zero wobble or movement when the machin especially when it is cutting.

With the traditional way of mounting a spindle you always get the expected overhang and this can cause unwant vibration, not to mention undesirable chatter when cutting certain material. The Quad rail setup does away with spindle center of the machine and keeping as rigid as we can get it.

The Z Carriage has been design to take a Kress spindle, but you can also drop a range of other spindles/routers We supply it with a 43mm spindle holder, but can custom make you one to suit your spindle.


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Below is a quick video showing the prototype machine cutting a few different materials.

With the 3.1NM motors and combination of ball screws, this machine moves fast when performing rapid travel m when cutting.


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Keeping the wiring safe and out the way is a must when making up a machine for obvious reasons.

We fit the motors with custom end caps that allow for the conduit to be fixed securely in place and keep the who and tidy.

With our own custom made box to suit the machine, we not only try and keep the style in with the look of the m extra care that all joints are soldered and secured neat and tidy.


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All the conduit from the motor cables terminate inside the box and are fixed rather than having plugs. The main reason for this is that it only takes one of the motor plugs to become loose and you will easily blow a d


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On each Axis there is fitted one Limit/Home switch. We have used inductive sensors that switch at around 3.5‐4mm distance and are very reliable compared to mech that can wear out.

Custom mounting brackets have been made to suit our machine, keeping the limit switches neatly where they ar


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Using C7 Grade ball screws on each axis not only provides smooth movements, but also gives us more accuracy a


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Using Rails are now bolted down into t‐nut clamps, 10 on each rail.

FK08 bearings are now being used on the X‐Axis and Y‐Axis ballscrews along with upgraded driver couplers.


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Customers Work created on the Mini Muscle Machine. I will add photos as people send their work in.

Wood Carving

This is a really nice carved Dragon done purchased one of the first batch of CNC Machines.

He setup the toolpath to do the first ro endmill.

Next he created a toolpath that used a the rest of the waste.

Finally he set a toolpath for a 3mm ball off the whole piece.

I think you will agree, it is stunning.

Cutting 15mm Aluminium plate and 0.5mm Silicon Steel Laminations

Barry says the following:

The Mini Muscle machine can be used 0.5mm silicon steel laminations succes following..

1. Raise the machine bed by 50mm or m axis travel and improve rigidity. I used acetal sheet to accomplish this, c pocket to hold the lamination. The lamination must be clamped aroun vibration.

2. Use TiNi coated slot drills. Don't was carbide slot drill1s they will blunt very I used a Guhring 3mm slot drill GUR161 Tools, for a roughing pass. Allow +0.2m RPM set to 4.5 on the Kress spindle, fee Don't run slower. Plunge rate 100mm/m

3. I used a Guhring 2mm slot drill GUR1 Cromwell Tools, for a finishing pass to s RPM set tp 4.5 on the Kress spindle, fee 1000mm/min. Take 0.15mm depth ram


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4. Airline to cool cutter.

5. I also employed hold down tabs to ke place.

6. The Guhring tools have a 6mm shank tool rigidity. Straight shank tools of 2 and 3mm dia, finished dimensions and surface finish variable.

7. Dimensions cut were within 0.05mm

Engraving

This engraving example was produced our demo video and took less than 2 m As stated in the video, we used an old to hand, but still the quality at those sp well.

Example of 2.5/3d carving aluminium.

More details can be found on this thread in the forums: http://www.ukcnc.info/forums/showthread.php?810‐Example‐of‐2‐5D‐3D‐milling‐on‐the‐CNC‐Mini‐Muscle‐Mac


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Video Example of carving wooden gear head.

More details can be found on this thread in the forums: http://www.ukcnc.info/forums/showthread.php?849‐Example‐of‐Carving‐a‐wooden‐gear‐wheel

Video Example of milling aluminium profile.

More details can be found on this thread in the forums: http://www.ukcnc.info/forums/showthread.php?811‐Example‐of‐milling‐Aluminium‐Profile‐on‐the‐CNC‐Mini‐M

Video Example of milling slots and holes in electronic project box.


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Certain things to keep in mind when comparing this machine to other low cost Desktop CNC solutions out there.

∙ We are supplying the machine with Ball Screws on each axis, along with commercial bearings. These are not the cheap Acme/ Trapezoidal threads that struggle to hit rapid movements and can cause backlash

∙ The frame is using Rigid, strong, good looking!, lightweight aluminium profiles and not thin tin that has been ben

∙ There are no plastic parts within the mechanics of the machine apart from the retainers that stop the ball screw nuts, this is a standard component.

∙ Not only do we have Quad Rails on the Z and X Axis, but we have also gone for supported rails which make speeds and using bigger cutting tools. These extras do increase the price, but you will not be disappointed in the performance or how rigid this makes t

∙ Stainless steel nuts and bolts are used all around for strength and from preventing rust if your workshop months!

∙ You get 100% support on email and from the support forums on our website, you do not have to learn another worry about us not being there next week!

∙ We show via video and photos examples of what our machine can do, so you can decide before you buy it, We have always done this and find it strange how many companies just do not bother to do this with their mach

We have tried to keep the price down as much as we can, by this time introducing the Option1 as being a self‐bu Option 1: Complete DIY Frame Kit.

Clicking on image will show a larger picture

**NOTE*** These pictures are showing MK1 Kit parts and the photos need to be updated with MK2 Kit parts. This includes all the aluminium plates/profiles drilled, countersunk and tapped.


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Also included are stepper mount plates, spacers, couplers, ball screws and linear rails with bearings. All the stainless nuts and bolts will also be included.

The standard Spindle Holder we supply is designed for the popular Kress Router with a 43mm hole. We can make the spindle you wish. Just let us know, and we will cut a custom Z‐Axis bottom plate along with a spindle holder t


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You will need to supply your own motors, stepper drivers, breakout board, controller box, power supply and spin If you would like to view the assembly instructions to see what is included in the kit and what is involved below: View Assembly Instructions

Take me back to the top of the page. Option 2: Fully Assembled and Aligned Frame


This includes all of the parts listed in Option1, but we will deliver a fully assembled unit aligned and tested. **NOTE*** These pictures are showing MK1 Kit parts and the photos need to be updated with MK2 Kit parts.

The standard Spindle Holder we supply is designed for the popular Kress Router with a 43mm hole. We can make the spindle you wish. Just let us know, and we will cut a custom Z‐Axis bottom plate along with a spindle holder t Please note you are still buying a Kit, this is a build service we provide as a separate service.


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You will need to supply your own motors, stepper drivers, breakout board, controller box, power supply and spin

Take me back to the top of the page. Option 3: Fully Assembled and Aligned Frame with Motors+.


This includes all of the parts listed in Option1, as with Option2 we will deliver a fully assembled unit aligned and t complete with 3.1Nm Stepper Motors fully wired into custom made controller box with conduit/end caps, break 4.2amp Stepper Drivers. Also Limit switches and Emergency stop buttons are wired in for you. Fully tested before it goes out the door. Please note you are still buying a Kit, this is a build service we provide as a separate service.


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The standard Spindle Holder we supply is designed for the popular Kress Router with a 43mm hole. We can make the spindle you wish. Just let us know, and we will cut a custom Z‐Axis bottom plate along with a spindle holder t

If ordering Option3 with motors and drivers then we will be supplying 3.1Nm motors, long with 4.5amp Stepper

Again with the power supply, the drivers will run from 20‐50 volt. It is recommended though, that you try to stick

We were using a 36 Volt Power supply in our video, but depending on whether you want better performance the up to 43 volts or even down to 25 volts. Take me back to the top of the page. 08/08/2014 Option3 Bundle


We are now at the stage where in the next couple of weeks we can offer a fully working bundle, which should to you going.

Up to now we have been supplying the Option3 (Fully Assembled Machine) with everything except the power CAD/CAM software. But that is about to change in the next couple of weeks.

CNC Design Ltd are now OEM distributors of the popular Vectric software suites and also now distributors the

We will be now looking to bundle Option3 with Vectric's Cut2D software.


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For full product details please check out their site http://www.vectric.com/products/cut2d.html

Also we will be bundling the top of the range Kress Spindle 1050 FME‐1

Product features:

Nominal rated input 1.050 Watt No‐load speed 5.000 – 25.000 1/min. Soft start‐up and start current limitation Armoured motor winding to protect against dust and particles Stainless steel motor flange with double bearing for improved milling performance Electronic overload protection prevents the motor from overheating Carbon cut‐off brushes for motor protection 4 m rubber power cable with patented quick‐lock system (Fitted with UK plug

Also as well as having the spindle fitted with a UK plug on the lead we are going to supply two collets and nuts (8 of just the standard 8mm collets that comes with the Kress as standard.

Keep in mind that to purchase Cut2D and the Kress 1050FME with 3mm collet you are looking at £340.00 from m suppliers out there.

We are planning on still offering the Option3 fully built and wired machine with the bundle listed above for

More information to go up soon.

Take me back to the top of the page.

Software Our machine will work with the popular software already out there on the market such as Mach3 and Kcam. In fa interpreter will work if it supports I/O via the printer port.

Simply plug in the controller box to your computer's printer port and configure the software with the settings we

You can use any Cad/Cam software to produce your artwork and then produce Gcode to load into Mach3 or Kcam parts.

Popular programs such as CUT2D allow you to draw up your design and create your Gcode. We use this ourselve from our online forums if any help is needed.

Please do not hesitate to email [email protected] back with any questions.


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Here are a few pictures of our small assembly line. The turntables are ideal as the machines get to a fair weight as they are assembled.


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