HEEKSCNC TUTORIAL PDF

I want to jump straight forward to how do I Ok i am confused as all get out Draw a sketch around the shape. This got a lot more useful for me very quickly. I was wrong again! For example, these are used to define the drawing plane and the direction of an extrusion. Please help improve this article by adding citations to reliable sources.

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Heeks is a capable bit of software. While I prefer using Creo or SketchUp for the design, this works for actually turning that into a millable object. Tutorial The short version You will need to create 2 pocket machining jobs from heeks - one as a roughing pass, and one as a finishing pass.

You will need your 3d object, some tabs, a stock and a sketch. Create a surface from the 3d object and tabs, create a stock from a stock cuboid.

Make a simple rectangle sketch on the stock. Make a rough pocket operation to take out material layer by layer, and a finishing pocket operation to go over the job smoothly. Step 1 - Real world preparation and measuring You will need to prepare and have measure the stock you will be milling. Stock - the block of wood, plastic or metal you will use.

Make sure you know the depth, and to state the obvious - make sure your 3d design will fit in it. Ensure you have a spoil board under the stock if your operation will mill the final object right out, and that you have the whole setup well clamped down. A time-expensive mistake. Make sure you know the end mill the tool you clamp into the spindle of your CNC machine - you need to know its diameter, and the operational length or stick-out I think is the correct terminology.

If the stock is deeper than this - it is not going to work. Make sure you know the routers operating limits - and have experimented with long empty rapids so you have the acceleration and rapid feed rates correct - if they are too high, you will have steppers that beep and fail to go anywhere - which will ruin your job.

You will also need to have some idea of the feed rate - the speed at which you can cut through the material, given the RPM of your Cnc spindle, the type of endmill and the material itself. If it is too high - you risk damaging the tool and snapping it off, if it is too low, you risk burning material or heating the tool. There is a relatively wide sweet spot, and you want to err to the higher end of this for the optimal setting.

Now turn the router off - there are a number of software things to prepare before you get going. I used an STL file for this. If it was done in heeks, or is multiple objects, I suggest grouping them here to make them easier to manipulate. Ensure that they are at the right scale, and that they are not distant from the zero point 0,0,0. You will want it below this point, and make sure that the top is facing up Z-positive.

You will want to add tabs - so when the object is milled out of the stock, it still has a couple of small attachments and does fly off or into the mill and get gouged.

I need to experiment with it - but I chose 1mm deep tabs, with a width of 10mm - around the object. Small enough to be able to manually take out, but not so flimsy they accidentally detach. Create the surface. Save at this point. Step 3 - Stock For stock, I suggest creating a cuboid that is the same depth as your stock. Make it at least large enough to visualise the cut out, and to see if the path would result in any collisions or gouges. Position the stock so the point where you want to start milling from where you will 0 the mill , will be at 0,0,0 in heeks.

In my opinion, the stock should be milled in the positive X and Y direction from 0. Position the 3D object and the tabs so they are at the bottom of the stock - and to the right and forward of it. Make sure to leave some material clearance to cut the 3d object clear out of the stock. This will be the pocketing sketch. You may want to set the stock visibility to off here. If you wish to see its bounds - select the object from the structure panel on the left. Save again here.

Step 4 - Endmill and first pocket Use the machining menu to add your endmill with the correct parameters that you took above. You can right click to save the tools selection as a default for further projects - and you will be able to skip this step in later projects.

When you are milling out a chunk of material, including the material around an objcet you are cutting out stock, this is a pocket operation. For reasons of speed, and precision, it is common when machining to have multiple passes.

Machining the whole part in finishing would take a long time - hence a roughing step. Set the stepover to around half the mill diameter. Step the stepdown to 1 mm - you may be able to use larger, I am yet to experiment with this. There is a start depth - set to 0, and an end depth - set to the bottom of the stock a negative Z value - in my case it was if you will mill the part out entirely. Now choose the surface you created earlier, and the sketch you made on the stock.

Choose the endmill. Set the other parameters to your choosing, and ok this. You now have the roughing pocket - yuou may want to use the properties dialog to name it as that. Save your work.

Step 5 - Finishing Pocket Again, use Add pocketing operation, but now set the stepover to a smaller value - like 0. Set the start and end depth to the bottom of your stock. It will then only 1 pass.

Choose the same surface and sketch. Ok this, and you will have a second operation in your structure. Use the properties to set your machien details in the program object, and save.

You are now ready to start generating toolpaths. This will postprocess the python by running it with pyCAm and other libraries into the GCode for your machine. If you have the output window visible - you will see the GCode, and when this is complete, you will also see the toolpath lines. I had to turn off the visibility of these - as it seemed to slow down my laptop rendering.

Once in there, maximize the preview window, and use the mouse wheel to zoom out to see the whole stock. You can use the slider to increase the speed. If you see any red marks, your mill has gouged your job, and things may be about to go wrong.

As you watch - you will see how the material is coming out of it, and if the mill is doing anything alarming or inefficiently. If things are wrong - you may have to go back and alter the parameters for the operations above to get this right. Do not send it to the actual router until you are happy with this. I will later add images and video to make this tutorial a bit more visual.

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Lisa said Dan Heeks, this is a great review of software! Your blog has a lot of excellent in-depth coverage across a multitude of CNC Milling topics. Hi Dan Heeks, thanks for the great software. For starter, I plan to turn off tool change. Keep up the good work.

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Two or more sketches can be combined in a similar way. Sometimes progress is rapid in one area and lags in another. He has no business using such powerful tools. Many of these operations are provided natively by HeeksCNC but some rely on other open-source libraries. Next, it runs that script. As in most applications, improvements to the user experience, speed, and stability are always possible.

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Heeks is a capable bit of software. While I prefer using Creo or SketchUp for the design, this works for actually turning that into a millable object. Tutorial The short version You will need to create 2 pocket machining jobs from heeks - one as a roughing pass, and one as a finishing pass. You will need your 3d object, some tabs, a stock and a sketch. Create a surface from the 3d object and tabs, create a stock from a stock cuboid. Make a simple rectangle sketch on the stock. Make a rough pocket operation to take out material layer by layer, and a finishing pocket operation to go over the job smoothly.

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HEEKSCNC TUTORIAL PDF

JoJoramar For example, we can copy that code, edit it, tutorrial paste it back in the window. Feed, mist, drill, rapid, use metric or imperial, etc, etc etc. Figure 11 — Even simple projects require multiple operations. I do that all the time, and it mostly happen after I rotate some of the object. HeeksCNC provides a large collection of operations for doing things like milling, drilling, counter-boring, chamfering, V-bit carving, cutting pockets Figure 9 and 3D surfacing Figure Rutorial of the most powerful features of HeeksCNC is the way in which the post-processor can be extended and customized to produce exactly the g-code your machine needs to do the job you want. FreeCAD Forum True open-source software, as opposed to freeware or shareware, is also free of nag screens, tutoeial, trial periods, and limited functionality. Heekscnc starts backplotting as soon as the.

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