TECHNOLOGY | 3D PRINT COMPOUNDS
to PA6 and PA66, the PA12 base polymer offers a lower moisture absorption and, as a result, it better retains its performance in high moisture environ- ments. The PA12 carbon fibre grade has been formu-
lated to process well in MakerBot’s 3D print equipment. With a tensile modulus of 6000MPa, it is said to be suitable for applications that require high rigidity, such as automotive brackets or inspection gauges, functional prototypes, and lightweight parts for the aerospace, manufacturing, and automotive industries. Commissioned by Lehvoss Group and Ultimak-
Above: TÜV Süd has certified the combination of Luvocom 3F filament from Lehvoss Group and Ultimaker printing technology
dimensional stability; Kimya ABS-ESD, which protects against electrostatic discharges; and Kimya ABS-EC, which is electrically conductive. Kimya says that cost savings of up to 80% have been demonstrated compared to traditional manufacturing methods by 3D printing tools and fixtures using the ABS Kevlar material in its own production facilities. With a heated build chamber that can maintain temperatures up to 110°C and that provides the ability to control the speed at which parts cool during the printing process, Method machines are claimed to be able to print high strength manufacturing-grade parts from advanced engineering materials more successfully than traditional desktop 3D printers. The company says users can also produce parts that have internal structures or complex geometries on Method machines when printing with Stratasys SR-30 soluble supports. The new Kimya materials are designed to print on the Method X 3D printer equipped with MakerBot’s new Labs Gen 2 Experimental Extruder. This is optimised to handle more abrasive third- party composites and polymers and features a number of upgraded components, including hardened gears and a metal filament switch designed to reduce wear.
Right: A bottle mould produced
using the new xPEEK147- Black grade from Henkel on Nexa3D’s NXE 400 machine
Performance PA MakerBot has also added a PA 12 carbon fibre reinforced grade to its range. The material offers very good physical and thermal properties and can be used to print metal replacement parts for some applica- tions. It is described as a resilient carbon fibre-reinforced PA that is optimised for high strength and stiffness. Compared
56 COMPOUNDING WORLD | May 2021
er, German testing house TÜV Süd has certified the 3D printing combination of the former’s Luvocom 3F PAHT
9825 NT filament and Ultimaker printer.
The certification is based on TÜV Süd’s Reproduc- ible 3DP Construction process test specification, which references existing and emerging 3D printing standards. The specification includes material property analysis and production of test specimen parts — including dimensional tolerances — as well as the manufacture of the filament. In addition, emissions are measured during the printing process. Accord- ing to TÜV Süd, the combination of the LehVoss material and Ultimaker printing process meets the requirements in all respects. The Luvocom 3F PAHT 9825 NT unreinforced high-performance PA and Ultimaker S5 Pro Bundle is the first FFF system to be certified by TÜV Süd. On the basis of its current range of more than 30
FFF materials, Lehvoss Group is now supplying four materials as its own filament. Work is under- way on certification of all four variants, with the focus on development, production and distribution of materials that can be marketed in filament form by established manufacturers under their own brand names. “This is an important step for the industrialisa- tion and scalability of FFF,” says Dr Thiago Medei- ros Araujo, Business Development Luvocom 3F. “The certified system increases reliability in parts production and is intended to accelerate the use of 3D printing to put it on a par with already estab- lished production processes, such as injection moulding.”
Photo finish
In the photopolymer area, Arkema has expanded its
Sartomer specialty resins product offering
www.compoundingworld.com
IMAGE: HENKEL
IMAGE: LEHVOSS GROUP
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52 |
Page 53 |
Page 54 |
Page 55 |
Page 56 |
Page 57 |
Page 58 |
Page 59 |
Page 60 |
Page 61 |
Page 62
