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MacBUILT Engineered 21 Axis Cartesian Gantry System

A client in the transportation industry added a customized Macron solution to their manufacturing process improving efficiency, decreasing costs and shortening production time.

Industry: Transportation sector, product manufacturing

21 Axis Gantry System from Macron Dynamics
This 21 axis Gantry system uses a center drive X axis and outrigger framing for cable track guides.

Problem: A client in the transportation industry who manufactures semi-trailers needed to improve the production process for drilling and riveting the various components during trailer construction. Since assembling the composite panels required drilling many holes for the downstream riveting process, automating this process was highly desirable. Typically, conventional CNC drilling heads cannot cover the hole pattern array or meet the process cycle time goals – adding cost and increasing production time.

MGS-UC2 Y axis gantry with MSA-DRT dual rail screw table Z axis
MGS-UC2 Y axis gantry with MSA-DRT dual rail screw table Z axis

Solution: Macron Engineers developed a large footprint 21 axis gantry system, approximately 4 meters wide by 10 meters long. This system included seven MGS-UC2 MacSTANDARD linear gantries with MSA-DRT screw tables to provide mounting for the drilling heads. This allowed for rigid Z axis vertical motion and the absorption of vibration and forces during operation. Macron chose the UC2 design to meet the travel span and desired deflection specifications of the project. Plus, the seven systems were identical, which reduced spare parts inventory requirements and maintenance.

There were several unique design features for this solution, including independent movement of each Y/Z axis and a unique X Axis construction that consisted of two pairs of three nested profile-rail guided belt drives. These belt drives were spliced together by a pair of MSA-R20 actuators to drive the 7th YZ gantry.

System benefits: Each axis has two timed belts and linear rail guides for precise repeatability and parallel tracking. Each drill head can cover a prescribed process zone, but can also overlap its neighbor to optimize the drilling cycle time depending on hole pattern arrangement.


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