I have been looking into the issue some of you have been facing where MasterCAM hangs / crashes when it is loading. I may have found a potential fix for this. In digging around I have found this to solve the problem for me:
It seems as if this issue is related to an incompatibility with certain versions of Windows, Nvidia graphics processors, and MasterCAM. This solved it on my computer, but I haven’t had a chance to test this elsewhere yet.
Build the common disposable plastic spoon depicted below. This object will be distributed in class for you to inspect. This Rhino file provides some of the curves you can use to build this object. Begin by building just the “top” surface of the spoon (as shown below) – don’t worry about giving it thickness or making it a solid. If you succeed with that, try to complete the “bottom” and other surfaces necessary to form a solid.
The section on the Bank CNC training website listed below has a thorough tutorial you should follow along to for creating surface toolpaths in MasterCAM.
I just wanted to make everyone aware that if you double click on a MasterCAM file (on your desktop or in a folder), it will open MasterCAM, but it will not open the file you double clicked on. You need to open the file from within MasterCAM.
Some of you have asked: Is there a way to update the geometry in MasterCAM when I make changes in Rhino, like you can do with the Keyshot plugin?
There is not a plugin that links the two applications like Keyshot has with Rhino, but there is a fairly simple way to accomplish something similar:
You can use the same technique to add additional geometry or to otherwise change the geometry that is associated with a specific toolpath operation.
Some of you may be experiencing a problem where your layers are not preserved upon merging from Rhino into MasterCAM. Here is the workaround to solve this problem:
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Sorry we did not post this sooner, but you can get the tool library with the 15/32 bit below. You will see that this tool is tool #8 in this library. You should go back into your operations and choose this tool. You should also make sure that your tool settings are not set to “assign tool numbers sequentially”. If you do have it set to assign tool numbers sequentially, the first tool you select will be called #1, regardless of which tool it is in the library. This will cause your part to cut with the wrong tool. See the image below for a reminder where you access this option.
If for some reason you don’t see this tool as an options from the library, be sure to uncheck the option for “Filter Active”
If you have the correct tool – “15/32 Flat Endmill”, but the tool number is wrong (maybe assign tool numbers sequentially was checked), you can just go in an change the tool number:
See the PDF below for recommended settings for MasterCAM:
Build the object shown below. The Rhino file available here has curves you can use as a reference to build with / from.
If you have not completed your name plate and the Cat Face tutorial, we can use the start of class to work on this.
If you have, you can work on the following exercise:
Create several chair models, each one using the following commands as the primary (if not exclusive) method for creating the form:
Put each model on a layer in the same Rhino file. Using Keyshot, create a rendering of the 5 chairs in one image. Post this image to the shared google drive. Name this file: FirstnameLastname_6Chairs.jpg
It’s been brought to our attention that the method for defining the stock shown in the tutorial does not work. This is a factor of some changes that were made in MasterCAM 2017 from the previous versions. Instead of clicking on the “Bounding Box” button, click on the “All Entities” button and this will work the way that “bounding box” used to work.
Sorry for this confusion.
In order to install Windows on your Mac, you will need to install Parallels. You can start with the trial version of Parallels, and download the free Student edition of Windows from https://risd.onthehub.com . Be sure to give yourself plenty of time for downloading and installing as the files are quite large. If you have downloaded your free copy of Windows 10 previously while at RISD, you will not see an option to get Windows as they only allow you to download the OS once. Check the bottom of this post for more information.
Once you download the Windows 10 ISO (the installer file) and Parallels, install Parallels first. It will then guide you through installing a virtual machine (where you will run Windows). You will need the ISO file on your computer or a USB thumb drive and your License key but the install should be fairly automated with Parallels.
This is what you should see for windows once you add it to your cart. You don’t need to add the “Extended Access Guarantee”, but this will provide you 24 months of access to download the software or view your key. Otherwise, your access to download is limited to approximately 1 month and your keys are in the confirmation email you receive when you purchase.
Can’t Find or Access Windows on onthehub?
If you previously installed or downloaded Windows 10 from onthehub, you will need to find the email that contains your license key that was sent when you originally. If you don’t have this you’ll need to talk to OIT to retrieve it or pay for a new license. You can get the ISO file (the disk image of the installer) from OIT, another student or we will try to have Marylin have a USB drive you can check out with the file.