Line 52: Line 52:
* 3 layer heights - .2, .3, .4; orientations 45, 90; 12 testing conditions; 10X each; 120 total tests.....
* 3 layer heights - .2, .3, .4; orientations 45, 90; 12 testing conditions; 10X each; 120 total tests.....
PLA  
PLA  
*0.4mm 90 deg (0 printed) 45 deg (0 printed)
*0.4mm 90 deg (10 printed) 45 deg (10 printed)
*0.3mm 90 deg (10 printed)  45 deg (0 printed)
*0.3mm 90 deg (10 printed)  45 deg (10 printed)
*0.2mm 90 deg (0 printed)  45 deg (0 printed)
*0.2mm 90 deg (10 printed)  45 deg (10 printed)


ABS
ABS

Revision as of 16:39, 25 February 2013

Overview

The purpose of this project is to determine mechanical properties of polymer components printed with the open source RepRap Mendel 3-D printer. Standard test methods are to be used to gather accurate and acceptable test data. The results of the mechanical testing will be used for engineering analysis of parts designed to be created with the RepRap.

Testing Standards

ASTM D638-10 Standard Test Method for Tensile Properties of Plastics

Test Specimen

ASTM Type I specimen - STL file revised with starting point outside of specimen STL file

Printer settings to test

All g-code will be generated using Slic3r software from http://slic3r.org/

Slic3r Setting
Layer Height 0.4mm, 0.3mm, 0.2mm
Fill Density 1.0
Fill Angle 0, 45
Fill Pattern Rectilinear
Solid Fill Pattern Rectilinear

Test Equipment

  • MTS Test System in M&M 413
  • MTS Testworks Software on test machine computer

Specimen to Test

Naming Protocol

Layer Height-Orientation-Fill-Print#-Source

ie. (3-90-100-1 MTU) for 0.3 LH, 90 deg Fill Orientation, 100% Fill, Print #1, at MTU

Base Testing

  • 3 layer heights - .2, .3, .4; orientations 45, 90; 12 testing conditions; 10X each; 120 total tests.....

PLA

  • 0.4mm 90 deg (10 printed) 45 deg (10 printed)
  • 0.3mm 90 deg (10 printed) 45 deg (10 printed)
  • 0.2mm 90 deg (10 printed) 45 deg (10 printed)

ABS

  • 0.4mm 90 deg (10 printed) 45 deg (0 printed)
  • 0.3mm 90 deg (0 printed) 45 deg (0 printed)
  • 0.2mm 90 deg (0 printed) 45 deg (0 printed)

See Also

  • For electrical testing and for thermal conductivity :disc 2.5 inches in diameter that is 3.2 mm thick. 5X
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