Jun 25, 2022
SKCN 260 - CNC Multi AxisCredits: 4
Introduces and demonstrates concepts for multi axis machining techniques beginning with 3 plus 2 axis utilizing planes then advancing to true 5 axis machining. Import engineering drawings and electronic CAD files into CAM software to perfect geometry and tool path routines, then output G-code specific to the multi-axis machine. Individual and/or team assignments will focus on complex applications and the true efficiency of multi axis machining. Credit may be earned in CNC 260 or SKCN 260 but not both.
Prerequisite(s): SKCN 225 and SKCN 216 or instructor permission
Lecture Hours: 30 Lab Hours: 30
Meets MTA Requirement: None
Outcomes and Objectives
- Demonstrate the ability to determine which multi axis machine tool to use for the job.
- Identify the different axes available in the machine tool.
- Select the proper machine for the job.
- Demonstrate the ability to conceptualize a part in three-dimensional space.
- Identify features on a part and determine proper machinery to use.
- Relate the part to the machining processes and demonstrate understanding of the reasoning behind choosing a particular machine.
- Show proficiency in plane manipulation.
- Demonstrate the ability to create part geometry using solids and surfaces with CAM software in 3 dimensional space.
- Select the best geometry creation technique for the part features to be machined.
- Create geometry using proper drawing techniques appropriate for multi-axis tool pathing
- Demonstrate proper tool path selection for the application based on part geometry.
- Determine proper tool path for material removal.
- Select proper tooling from tool library.
- Demonstrate the ability to use CAM software to back plot and verify for axis and tool motion control.
- Simulate tool path using the verification feature built into the CAM software, checking for proper motion and tool gouge.
- Simulate tool path for proper motion, using the back plot feature built into the CAM software, checking the efficiency of tool motion.
- Output code based on parameters of the machine tool limits to ensure efficiency of cycle time.
- Select proper machine type when outputting code from CAM software.
- Select proper speeds and feeds for tool motion based on machine limits and set up.
- Demonstrate ability to load, edit, and proof tool path programs.
- Demonstrate ability to load G-code into machine tool from portable drive.
- Demonstrate ability to load G-code into machine tool using NULL cable.
- Demonstrate ability to load G-Code into machine tool using direct numerical control (DNC).
- Demonstrate ability to properly set up and operate multi axis CNC machinery
- Select proper machine for the job.
- Demonstrate the ability to load fixturing.
- Demonstrate ability to load tooling.
- Demonstrate ability to locate part origin and set work coordinate system (WCS) zero.
- Demonstrate ability to set tool length offsets.
- Demonstrate ability to load part program.
- Demonstrate ability to simulate part on graphics screen.
- Demonstrate ability to use auto probing for work coordinate zero.
- Demonstrate ability to use tool probing preset system.
- Demonstrate ability to adjust offsets to ensure part specifications and tolerances.
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