3D Printing Processes

Thermwood adds ALP to its LSAM Large Scale Additive systems

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Thermwood has added a third print orientation to its LSAM Large Scale Additive Manufacturing systems. LSAM systems currently can print both horizontal and vertical layers if equipped with the Vertical Layer Print (VLP) option, available on most Thermwood LSAM machines. This new edition adds Angle Layer Printing (ALP) to the VLP option. Angle Layer Printing is the ability to print at a 45-degree angle.

Each print orientation has advantages and limitations for a particular part design. Offering all three on the same machine, for the first time, means maximum print flexibility. All print orientations use the complete LSAM print head including exclusive LSAM print features such as the patented compression wheel and Thermal Sensor Layer Automation. This helps maintain an even layer temperature throughout the print. LSAM automatically adjusts the individual layer temperature to provide for superior layer fusion (as seen below).

Thermwood has added a print orientation to its LSAM Large Scale Additive Manufacturing systems, Angle Layer Printing (ALP) to the VLP option

LSAM machines are currently operating in regular daily industrial production with many existing systems already equipped with Vertical Layer Print capability. The Vertical Layer Print (VLP) option has been replaced with a VLP/ALP option on new machines which offers both vertical and angle layer print capability, in addition to the standard horizontal layer print. Angle Layer Print (ALP) can be easily and inexpensively added to machines operating in the field that already have the VLP option.

If a machine was purchased without VLP, the entire new VLP/ALP Print option can be added to most machines already in operation. It can be done in the field but is a bit more involved. Thermwood’s LSAM large-scale additive systems are the most widely used composite thermoplastic additive equipment in industrial production today. Virtually all, if not all, large-scale additive systems installed in the last several years have been Thermwood LSAMs. Processing a variety of reinforced composite polymers from room temperature ABS and PC to high-temperature material such as PSU, PESU, and PEI, they are used to produce molds and tools for the aerospace industry, patterns for the foundry industry, and for a variety of other unique applications.

LSAM systems are available in sizes from 5×10 foot to 15×60 foot in a variety of configurations including print only and full print and trim, making it the broadest product offering in the large-scale additive arena. Print heads are available that can print thermoplastic composite material at rates from 200 pounds per hour to over 500 pounds per hour.

They have a variety of exclusive features including a temperature-controlled compression wheel and automatic thermal layer speed control, both of which help assure the best possible fusion between printed layers. With the addition of Angle Layer Print, these systems have become even more capable and more flexible.

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Andrea Gambini

Andrea has always loved reading and writing. He started working in an editorial office as a sports journalist in 2008, then the passion for journalism and for the world of communication in general, allowed him to greatly expand his interests, leading to several years of collaborations with several popular online newspapers. Andrea then approached 3D printing, impressed by the great potential of this new technology, which day after the day pushed him to learn more and more about what he considers a real revolution that will soon be felt in many fields of our daily life.

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