CATI Tech Notes

SOLIDWORKS Tips and Tricks and Info on Professional 3D Printing with Stratasys from the Technical staff of CATI

Reverse Engineering with Creaform and SOLIDWORKS

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Reverse Engineering with Creaform and SOLIDWORKS   The hand held Creaform scanners are a great addition to your Inspection lab to speed up bottle necks and get more info quicker on your parts, but they can also be used for quick and effective reverse engineering. Once we have all of this scanned data acquired, we can use the VXElements software to extract all of the useful information we might need to build up a new part or a variation of the existing Geometry.   In this case, we are going to be building a completely new product, but we want it to fit onto an already existing piece of hardware.

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Posted in 3D Scanning, Digital Prototyping, SOLIDWORKS Tips and Tricks

Stratasys 3D Printing: Splitting Large Parts to Print in Multiple Pieces

Splitting Large Parts to Print in Multiple Pieces   Bigger might be better, but it might not be necessary. When searching for the right 3D Printer, you should always to try to find a machine that can fit no less than 75 % or 80% of your parts. But it doesn’t have to fit every single one. Don’t sacrifice quality, price, or capability for a large unnecessary build volume. Printing parts in two or more sections is much easier than you’d expect.   Here is a quick tutorial on how you can best split your large parts into printable sizes:     Using Stratasys software, Insight, you can split an

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Posted in Digital Prototyping, Rapid Prototyping

Stratasys 3D Printing: F123 Series Camera Shroud Print and Install

F123 Series Camera Shroud Print and Install   If you have a F123 series machine and use the camera to view your builds through Grabcad Print software or the mobile app, you will notice in rooms with a fair amount of ambient light that there is a reflection. This stems from the double pane window and the camera being between them.   Stratasys has released a customer level fix for this issue and below are how you go about doing it. First thing you will want to do is make sure you have software version 1.3.5360.0 or newer installed in your printer. You can check this on the machine itself

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Posted in Digital Prototyping, Rapid Prototyping

Stratasys 3D Printing: FDM Part Curling – Lifting From the Tray

FDM Part Curling – Lifting From the Tray   From time to time, we see parts lifting off the build tray during printing.  There are two main causes. Both of which are related to air flow. If parts are positioned together tightly and air flow can’t move through the parts efficiently, it can cause parts to lift up. A  We also see part lifting in large flat parts. Printing in a SPARSE FILL will help with part curling. You can also see parts knocked over due to them lifting.     The 2nd possible cause is the chamber fans going out, which again, will impact air flow. All you need

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Posted in Digital Prototyping, Rapid Prototyping

Stratasys 3D Printing: Metal Additive Manufacturing

Desktop Metal Extend Their Strategic Partnership to Accelerate Adoption of Metal Additive Manufacturing   As a result of this partnership, customers will be able to work with leading Stratasys resellers who will begin representing Desktop Metal solutions, including the recently announced Studio System and the Production System, alongside Stratasys’ broad family of advanced FDM and PolyJet solutions.   Expected to ship September 2017, Desktop Metal’s Studio System is the first office-friendly metal 3D printing solution. At up to ten times less expensive than today’s metal 3D printers.  For the first time, it’s possible to produce highly complex metal parts and assemblies with metal 3D printing without leaving the office.   What

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Posted in 3D Scanning, Digital Prototyping, Rapid Prototyping

Creaform 3D Scanning: Colormap, the Quick Go/No-Go of Inspection

Colormap, the Quick Go/No-Go of Inspection   The HandyScan 700 is a great tool for inspecting parts for Quality Control engineers.  Using VxElements, PPAP inspection reports can be created being as simple or as complicated as needed.  After importing a CAD model, either .iges or .stp, the scan can be compared to the “perfect” CAD model.  One of the useful tools within VxElements is the ability to create a colormap of the differences between the CAD model and the scan.  This can be based on a surface best fit reference frame or a datum reference frame.  This can be used as a quick go/no-go of whether a part overall is

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Posted in 3D Scanning, Design Validation, Digital Prototyping

Stratasys 3D Printing: Wiper Position Adjustment Objet Desktop Printers

Wiper Position Adjustment in Stratasys Objet Desktop Printers   In Stratasys 3D Printing, the wiper position adjustment sets the wiper service position and the wipe position.   This procedure should be performed whenever the wiper mechanism is replaced. It does not need to be performed when the wiper blade is replaced.   To do this procedure, you will need to be in Maintenance Mode. To get into Maintenance mode, move the mouse cursor to the bottom right corner of the screen until the cursor disappears.   With the cursor just barely off the screen, press CTL+ALT+M keys at the same time. You should see a warning box pop up:  

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Posted in Digital Prototyping, Rapid Prototyping

Stratasys 3D Printing: Waterjet Cleaning System Has No Lights, Wiper, or Pump Working

Issues with Waterjet Cleaning System   If your waterjet suddenly stops working where the lights do not come on, the wiper arm doesn’t move, and the pump itself doesn’t come on when the pedal is pushed, it may be an easy fix. All of the power for this unit goes though the electrical box on the rear of the WaterJet and then distributed from there. The main thing we find that causes the system to go down is a simple fuse.   So if you power your WaterJet up and it doesn’t have lights on, this is one of the first thing we want to check. First, being that the

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Posted in Digital Prototyping, Rapid Prototyping

Stratasys 3D Printing: Manual / Alternative Load Cell Calibration

Manual / Alternative Load Cell Calibration   In some cases, the Stratasys Polyjet desktop models will require a manual load cell calibration.  In the case where the load cell calibration wizard does not correctly, calibrate the weight using this method:   First off, remove all bottles and waste containers from the material bay.   In the printer application, select Maintenance > Calibration.     Select the Weight Sensor tab.  From the Cartridge list, select the weight sensor you want to calibrate.   From the Cartridge list, select the weight sensor you want to calibrate.   Then insert an unused bottle. In the editable field to the right, enter the value

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Posted in Digital Prototyping, Rapid Prototyping

Stratasys 3D Printing: Discovering Your 3D Printer’s Capabilities – Part 2

Discovering Your 3D Printer’s Capabilities – Part 2   This is the 2nd of a series on ideas to understand the capabilities and limitations of your 3D Printer. When you know what your machine can achieve, it can be applied to significantly aid your part design as well as throughput and quality.   When 3D printing holes with FDM (Fused Deposition Modeling) it is always desirable to position the hole axis perpendicular to the platform. Unfortunately some designs (channels for wiring ,tubing, fluid, air, etc) require that the holes be sliced in a horizontal orientation. So, can supports be eliminated in these holizontal holes?   If you will remember from

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Posted in Digital Prototyping, Rapid Prototyping

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