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Sample G Code for most CNC Machining Center Fanuc controls:
(DRILLING)
N10 G40 G28 G91 G00 G80 Z0 BEGINNING LINE OF ALL PROGRAMS
N20 T5 M6 TOOL CHANGE TO TOOL # 5
N30 G90 G55 G00 X1. Y-1. S420 M03 ACTIVATE THE PART ORIGIN(G90) AND WORK OFFSET (G55)
TURN SPINDLE FORWARD AT 420 RPM, RAPID TO POSITION
N40 G43 Z.1 M8 H5 ACTIVATE THE TOOL LENGTH OFFSET& TURN ON COOLANT
N50 G01 Z-.1 F4.2 DRILL TO .1 DEEP
N60 G00 Z.1
N70 X2.
N80 G01 Z-.1
N90 G00 Z.1
N100 X3.
N110 G01 Z-.1
N120 G00 Z.1
N130 X4.
N140 G01 Z-.1
N150 G00 Z.1
N160 X5.
N170 G01 Z-.1
N180 G00 Z.1
N190 G43 Z.1 H1
N200 X4. Y-3.
N210 G94 G83 G99 X4. Y-3. Z-.5 Q.2 R.1 F4.2 DRILL PECK SEQUENCE
N220 X3.7071 Y-2.2929 MOVE TO NEXT HOLE POSITION
N230 X3. Y-2. MOVE TO NEXT HOLE POSITION
N240 X2.2929 Y-2.2929 MOVE TO NEXT HOLE POSITION
N250 X2. Y-3. MOVE TO NEXT HOLE POSITION
N260 X2.2929 Y-3.7071 MOVE TO NEXT HOLE POSITION
N270 X3. Y-4. MOVE TO NEXT HOLE POSITION
N280 X3.7071 Y-3.7071 MOVE TO NEXT HOLE POSITION
N290 G28 G91 G80 Z0 M05 HOME Z AXIS CANCEL G83
N310 G28 Y0
N320 M01 OPTIONAL STOP
N350 M30 END OF PROGRAM AND REWIND
G83 G99 X__ Y__ Z-.5 Q.2 R.1 F__
G83 – ACTIVATE DRILL PECK SEQUENCE
G99 – RETURN PLANE
X__ - FIRST HOLE POSITION IN X AXIS
Y__ - FIRST HOLE POSITION IN Y AXIS
Z-.5 – DEPTH OF HOLES
Q.2 – PECK INCREMENTS
R.1 – RETURN TO .1 ABOVE PART BEFORE MOVING TO NEXT HOLE POSITION
F__ - FEEDRATE IN Inches Per Minute
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Tax Incentives –
Tax write-off for manufacturing companies increased to $128,000 for 2008. For as little as 4% of your equipment cost, you can save thousands of dollars on your taxes.
Your first year's tax savings could exceed your first year's machine payments! Equipment leases that include a $1.00 purchase option qualify for the Federal Section 179 deduction and regular depreciation. Companies may also be eligible for additional state and local tax deductions plus interest deductions. Companies purchasing equipment now could see their tax savings cover their first year's payments!
Always check with your accountant or financial advisor to verify tax or accounting issues and any tax benefits. $128,000 write-off Section 179 Federal Income Tax Deduction: This deduction allows a company to deduct the first $128,000 of equipment (Section 179 Property) purchased in 2008 from their taxable income. For companies purchasing (or leasing - with a $1.00 buy-out lease) up to $510,000 of equipment in 2008, this deduction is available in full. It then phases out on a dollar-for-dollar basis between $510,000 and $638,000 and it is not available for companies purchasing over $638,000 of equipment in 2008. However, companies can finance purchases over $510,000 with an operating lease and may still be able to claim this deduction.
Standard Depreciation –
Additionally, companies can take their standard depreciation deductions on the adjusted basis of qualified equipment. Machine tools and fabricating equipment are typically depreciated over 7 years |
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©2008 GPI Machine Tools Ltd Co |
