Bvui

1. 13.1 Part Programming
Fundamentals
 Process planning
 Axes selection
 Tool selection
 Cutting process parameters planning
 Job and tool setup planning
 Machining path planning
 Part program writing
 Part program proving
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2. 2
909 SENTHUR POLYTECHIC COLLEGE NAMBIYUR
DEPARTMENT OF AGRICULTURAL ENGINEERING
4020531 / COMPUTER INTEGRATED MANUFACTURING
SEMINAR TOPIC
2D & 3D TRANSFORMATION
STATE GRID
SUMITTED BY
Deva Dharshini. S
22219971

3. 4020531 / COMPUTER INTEGRATED MANUFACTURING
SEMINAR TOPIC
2D & 3D TRANSFORMATION
STATE GRID
SUMITTED BY
Deva Dharshini. S
22219971

4. Fig. 13.1 The steps
involved in the
development of a proven
part program in NC
machining
4
Study part print
Identify machine
tool
Identify operations
and tooling
Determine feeds,
speeds, depths,
power
Prepare setup
sheet with work
setting and tooling
assembly
Develop part
program
Simulate tool
path
Dry run
Cut the first part
Proven part
Machine
tool
databace
Cutting
tool
database
Machinability
database
Capability
of cutting
tools
Inspect the part

5. Fig. 13.2 A typical component for NC machining
5
100
20
10
10
Ø
6
R5
40
20
40
10
15 15
15
8
5

6. 13.2 Manual Part Programming
Methods
 ISO standards for coding
 Co-ordinate function
 Feed function
 Speed function
 Tool function
 G Codes
 M Codes
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7. Some Word addresses
 A Angular dimension around X axis
 B Angular dimension around Y axis
 C Angular dimension around Z axis
 F Feed function
 G Preparatory function
 H Unassigned
 I Distance to arc centre or thread lead parallel to X
 J Distance to arc centre or thread lead parallel to Y
 K Distance to arc centre or thread lead parallel to Z
 M Miscellaneous function
 N Sequence number
 O Reference rewind stop
 S Spindle speed function
 T Tool function
 U Secondary motion dimension parallel to X*
 V Secondary motion dimension parallel to Y*
 W Secondary motion dimension parallel to Z*
 X Primary X motion dimension
 Y Primary Y motion dimension
 Z Primary Z motion dimension
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8. G Codes or Preparatory Functions
 G00 Point-to-point positioning, rapid traverse
 G01 Line interpolation
 G02 Circular interpolation, clockwise (WC)
 G03 Circular interpolation, anti-clockwise (CCW)
 G04 Dwell
 G13-G16 Axis designation
 G17 XY plane designation
 G18 ZX plane designation
 G19 YZ plane designation
 G33 Thread cutting, constant lead
 G34 Thread cutting, linearly increasing lead
 G35 Thread cutting, linearly decreasing lead
 G40 Cutter compensation-cancels to zero
 G41 Cutter radius compensation-offset left
 G42 Cutter radius compensation-offset right
 G43 Cutter compensation-positive
 G44 Cutter compensation-negative
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9. Fig. 13.13 Setting the workpiece on the machine table
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N015 G92 X200.0 Y170.0 Z50.0