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| ( A ) - VMC PROGRAMMING BASIC |
V1 |
VMC- full form, def., main parts, Block diagram, working principle, Difference between CNC & VMC. |
N/A |
V2 |
coordinate system- Axis, plane, origin point, coordinates (def. & types), Plane selection - G17,G18,G19 |
N/A |
V3 |
VMC Programming types-Absolute & incremental with exerice G90 & G91. |
N/A |
V4 |
VMC Programming elements - Commands, Block, Programme, Programme scan. |
N/A |
V5 |
Complete VMC programme Sequence with header & footer, programming points, data setting (G10, G11) |
N/A |
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V6 |
Safety, on/off & start/stop of VMC m/c |
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V7 |
a) Operator Panel Keys
b) MDI Keys - 44
c) Soft Keys - 7 |
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V8 |
SIX MAIN FUNCTIONS:-
1) Position: M/c,Abs,lnc & Relative
2) PROGRAMMING: Making new & Editing
3) OFFSET SETT.: Geom, Wear & Work coordinate series
4) SYSTEM
5) MESSAGE
6) CUSTOM GRAPH |
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V9 |
7 OPERATING MODES:-
a) HANDLE MODE FUNCTION
b) JOG MODE FUNCTIONS
c) AUTO MODE FUNCTION
d) SINGLE BLOCK FUNCTIONS
e) REF. RETURN - G28 & G30
f) MDI
g) EDIT MODE
h)DRYRUN, M/C LOCK & CHUCK CLAMP OD/ID |
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V10 |
OFFSET SETTING & TOOL SELECTION -
G43 - Tool length offset (+)
G44 - Tool length offset (-)
G49 - Tool length offset (cancel)
H - Geometry offset (Z axis)
D - Cutter radius compensation
Wear Offset(wear offset in tool length & cutter radius)
G54 -G59 - Work coordinate system (X & Y axis) |
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V11 |
FIXTURE SETTING
A) Clamping
B) Fixture Dialing |
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| ( D ) - VMC PROGRAMMING THEORY & PRACTICAL |
V12 |
Tool change, feed, spindle speed |
V13 |
Work coordinate (G54………G59) |
V14 |
Tool length offset (G43,G44,G49) |
V15 |
Linear Interpolation G01 |
V16 |
Circular interpolation G02 & G03 |
V17 |
Tool Nose Radius Compensation
->G40 - Nose Radius Compensation cancel
->G41 - Nose Radius Compensation left
->G42 - Nose Radius Compensation right |
V18 |
Polar coordinate command G15, G16 |
V19 |
Use of I, J & K |
V20 |
Feed, Cutting speed, spindle speed calculation |
V21 |
skip function, dwell G04, G31 |
CANNED CYCLES |
V22 |
G98 - Initial Point |
V23 |
G99 - R point |
V24 |
G80 - Canned Cycle Cancel |
V25 |
G81 - Spot Drill Cycle |
V26 |
G82 - Counter Boring Cycle |
V27 |
G83 - Deep hole drill cycle |
V28 |
G84 - Right hand taping cycle |
V29 |
G74 - Left hand taping cycle |
V30 |
G85 - Finishing boring cycle |
V31 |
G86 - Rough boring cycle |
V32 |
G88 - Boring cycle (manual pull out) |
V33 |
G89 - Boring cycle (with dwell time) |
V34 |
M98 - Subprog. call, M99 - Subprog. exit |
V35 |
Complete Programme Exercise |
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:::: VMC Training Programmes
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