1. Machining Manufacturing Processes © 2012 Su-Jin Kim GNU Milling Cutting tool is rotated and traversed along 3 axes of motion to produce from simple rectangular plane, slot, hole and complex contour.

2. Machining Manufacturing Processes © 2012 Su-Jin Kim GNU Milling

3. Machining Manufacturing Processes © 2012 Su-Jin Kim GNU Machining center (CNC Milling) Horizontal M/C Bridge TypeC Type Vertical M/C 5AX M/C http://www.youtube.com/user/GlacernMachineTools

4. Machining Manufacturing Processes © 2012 Su-Jin Kim GNU Huge 3+2 axis milling has additional rotation BC axis on head. Used for automobile door panel and bumper mold. http://ma.gnu.ac.kr/vod/machining/Huge_machine_tools.AVI http://ma.gnu.ac.kr/vod/machining/Huge_5axis.AVI 3+2 axis machining (5 면가공기 )

5. Machining Manufacturing Processes © 2012 Su-Jin Kim GNU 5-axis machining (5 축가공기 ) Has 2 tinting A C or B C axis on table or head. Rotary table: http://ma.gnu.ac.kr/vod/Machining/Rotaty_table.MP4http://ma.gnu.ac.kr/vod/Machining/Rotaty_table.MP4 Impeller : http://ma.gnu.ac.kr/vod/Machining/5axis_machining_impeller.MP4http://ma.gnu.ac.kr/vod/Machining/5axis_machining_impeller.MP4

6. Machining Manufacturing Processes © 2012 Su-Jin Kim GNU Automatic Tool Changer (ATC) Changer Arm Tool Spindle

7. Machining Manufacturing Processes © 2012 Su-Jin Kim GNU Automatic Pallet Changer (APC) Pallet #1 Pallet #2

8. Machining Manufacturing Processes © 2012 Su-Jin Kim GNU Work holding Vise, Clamp ( 치구 ) Work is fixed by vise or clamp on the table with T-slot Flex clamp: http://ma.gnu.ac.kr/vod/Machining/Clamp.MP4http://ma.gnu.ac.kr/vod/Machining/Clamp.MP4 http://www.youtube.com/user/GlacernMachineTools#p/u/5/J1VtofzVG24

9. Machining Manufacturing Processes © 2012 Su-Jin Kim GNU Tool holder, Tools Holder + Collet + Solid EndmillInsert Endmill http://www.youtube.com/watch?v=IPWGV_EGAHw&feature=related

10. Machining Manufacturing Processes © 2012 Su-Jin Kim GNU Tool holder, Tools

11. Machining Manufacturing Processes © 2012 Su-Jin Kim GNU Milling operations Face Cutter Basic: http://www.youtube.com/watch?v=j0vRYe9uvnIhttp://www.youtube.com/watch?v=j0vRYe9uvnI Face: http://www.youtube.com/watch?v=9OsNUi_o6C4http://www.youtube.com/watch?v=9OsNUi_o6C4 Endmill: http://www.youtube.com/user/GlacernMachineTools#p/u/1/HfIaISnqHOkhttp://www.youtube.com/user/GlacernMachineTools#p/u/1/HfIaISnqHOk Flat endmill (Slotting) Face cutter Endmill : Flat, Ball, Rounded

12. Machining Manufacturing Processes © 2012 Su-Jin Kim GNU Math for milling Cutting speed(mm/min) = 3.14 x Diameter x Spindle V = π D S Feed per tooth = Feed / (Spindle x Number of teeth) MMR = Depth x Width x Feed MRR = d w F ftft w d F (mm/min)