1. Working with Milling Complex
BASIC COMPETENCY:
DIVIDING HEAD USE 1

2. Dividing head use LEARNING OUTCOMES Activity aim:
Realize dividing head use
Can to use dividing head

3. Dividing head
divide circle
make gear

4. Kinds of dividing head
Dividing head with dividing plate

5. Kinds of dividing head
Dividing head with worm gear

6. Kinds of dividing head Dividing head with dividing plate and worm gear
Rotation comparison

7. Dividing head with completion optic
Kinds of dividing head
Dividing head with completion optic
Comparison formula

8. Universal dividing head
Kinds of dividing head
Universal dividing head
Adjusted according to horizontal, vertical or sloping.

9. Dividing plate

10. Dividing plate hole total

11. Distribution in dividing head
Distribution directly

12. Distribution in dividing head
Distribution indirectly
Formula:
Iv = Z2/Z1

13. Addition gear installing

14. Successor gear installing

15. Differential distributioniv
Nk = = putaran Tb
ZPG iv
Uw = = (Tb – Tk)
ZDG Tb

16. Dividing head use
release dividing plate

17. Dividing head investigation

18. PEMBUATAN RODA GIGI (VIDEO)

19. Resume Dividing head consists of: - Dividing head with dividing plate
- Dividing head with worm gear
- Dividing head with dividing plate and worm gear
- Dividing head with completion optic
- Universal dividing head

20. Task
1. Do observation at school repair shop or industrial about divider head use and completion it!
2. Make observation report!

21. Formative test
1. What the function of dividing head in milling machine?
2. Mention dividing head kinds and explain each the function!
3. How does when will make cog tooth with total:
a. 54
b. 97 (with tooth total simile 100)
c. 64
d. 17

22. DAFTAR PUSTAKA
Tim Fakultas Teknik Universitas Negeri Yogyakarta (2004) Modul Mengeset Mesin dan Program CNC (dasar), Yogyakarta:Bagian Proyek Pengembangan Kurikulum.
Windarto (2008) Teknik Pemesinan Jilid 2, Memahami Mesin CNC Dasar, Jakarta:Direktorat Pembina Sekolah Kejuruan.