1. CREATING THE CENTRE PUNCH
CREU Y
PWNS CANOLI
CREATING THE CENTRE PUNCH

2. Obtain material 12 mm x 12 mm Mild Steel Square bar 100 mm long
Cael defnydd 12mm x 12mm bar sgwar Dur Meddal 100 mm o hyd

3. Gosod yn y turn a setio yr arf i uchder canol
Place material in the lathe and set tool to centre height
Crafanc 4 jaw Chuck
Arf Brasnaddu Roughing tool

4. Drillio canoli
Centre drilling
Cyflymder
Speed
~800rpm
Crafanc 4 jaw drill chuck
Dril canoli
Centre Drill

5. Defnyddio y canolwr byw i durnio diamedr o 10mm x 60 o hyd
Using revolving centre turn down to 10 mm x 60 long
Crafanc 4 jaw chuck
Arf Brasnaddu
Roughing tool
Canolwr Byw
Revolving centre
Cyflymder
Speed
~800rpm

6. Crafanc 4 jaw NYRLIWR Knurling tool Conolwr / centre NWRLIO HYD O 58MM
KNURL A LENGTH OF 58MM
Cyf/ Sp 35 rpm
Crafanc 4 jaw
NYRLIWR
Knurling tool
Conolwr / centre

7. Setio y llithryn uchaf I 12 gradd I turnio y tapr
Set the compound slide to 12 degrees to tun taper
CyflymderSpeed
~800rpm
Crafanc 4 jaw Chuck
Arf Brasnaddu
Roughing tool

8. Crafanc 4 jaw Chuck Arf Partio Parting Tool PARTIO’R UNDERCUT 9mm
Cyf/ Sp 600 rpm
Crafanc 4 jaw Chuck
Arf Partio
Parting Tool

9. Crafanc 4 jaw Chuck Arf Partio Parting Tool PARTIO I HYD O 71 mm
Part off to
71mm long
Cyf/ Sp 600 rpm
Crafanc 4 jaw Chuck
Arf Partio
Parting Tool

10. Crafanc 3 jaw chuck Arf Gwynebu Facing tool Arf siamffro Chamfer tool
TROI’R GWAITH ROWND A GWYNEBU 70mm A CHREU SIAMFfER
TURN WORK AROUND AND FACE OFF TO 70mm and CHAMFER
Cyf/ Sp 800 rpm
Crafanc 3 jaw chuck
Arf Gwynebu
Facing tool
Arf siamffro
Chamfer tool

11. File a point ready for Case Hardening
Feilio y pwynt yn barod i Galedu Câs
File a point ready for Case Hardening

12. GLANHAU / TIDY UP
SWARF !