HSM Express

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HSM Express
HSM Express Splash Screen
Status Released
Manufacturer Autodesk
License Free
Website http://cam.autodesk.com/

Autodesk Inventor HSM Express is a free CAM solution that is seamlessly integrated inside the design environment of Autodesk Inventor software.

Available for free from Autodesk: http://cam.autodesk.com/get-inventor-hsm-express/


  • Same 64-bit, multi-core HSM CAM Kernel as Inventor HSM
  • Industry leading toolpath quality for Basic Milling Machining including 2D Roughing and Pocketing, Drilling, Facing, Contouring, and more
  • Support for form tools including ability to automatically import Inventor Part Files as Form Tools
  • Integrated 64-bit, Multi-core Simulation with toolpath/solid forward, reverse material removal
  • Incredibly fast 64-bit JavaScript-based Post Processor System including many generic posts
  • Industry leading CNC program editor with file compare, math ops, backplotter, and communications

Toolpath Strategies

2D machining can range from the very simple to the very complex. Inventor HSM Express includes all the tools you need for precise control over all aspects of 2D machining, including lead in/out and transitions between passes.

  • Drilling and Hole Making
  • Face
  • Pocket
  • Adaptive Clearing
  • Contour
  • Slot
  • Thread Milling
  • Bore Milling
  • Trace


Use Inventor HSM Express to easily machine 2D and 3D contours. Control lead-in and lead-out with or without tool compensation. Choose multiple roughing and finishing passes and multiple depth cuts for any contour. Machine open and closed contours without creating additional geometry and eliminate sharp motion with corner smoothing.


Pocket toolpaths machine closed areas with and without islands. Entry can be selected anywhere on the model and set for plunge, ramp, or at a pre-drilled position. The special high-speed option creates smooth toolpaths that allow for maximum tool engagement, significantly higher feedrates, and reduced machining time and reduced tool wear.

Drilling and Hole Making

Inventor HSM Express includes powerful tools for generating drilling, counterboring and tapping operations. All operations are optimized to minimize tool travel and overall cycletime. Both standard and customized cycles are supported for all point-to-point operations, including spot-drilling, deep drilling with chip break, and boring cycles.