BearingCupVersionOne

Bearing Cup (old version)

Face Material (001)

Lightest possible grazing pass. Material is 12.7mm thick, I need 8mm of it, 3.175mm buried in the vise, leaving 1.525 mm to spare.

The end mill also will be clear of the vise in the Y axis, so going below the jaws in the Z axis is actually safe, but I'm shooting for a belt and suspenders.

;; ----------------------------------------------
;; Face Material
;; ----------------------------------------------
;; Zero X to right end
;; Zero Y to middle of material, 25.4mm from edge
;; Zero Z with 3" five-tooth indexable carbide facing mill
;; Set spindle speed to 500 RPM, 400 SFM, 6061-T6 with carbide allows 800.
;; Feed Speed 60mm per minute = 0.025 mm chip, 6061-T6 with carbide allows 0.05

G21 (set units to millimeters)
G90 (set measurements to absolute, relative to machine zero)
F60 (set feed rate to 60mm per minute)
G0 Z20 (traverse to 20mm above part)
G0 X50 Y0 (traverse to outside part)
G0 Z5 (traverse to 5mm above part)

G1 Z1 (feed to 1mm above part)

G1 X-347 (feed to left end, 6 minutes run time)
G0 Z20 (traverse to 20mm above part)

• Update G1 Z1 to G1 Z0 and re-run.
• Update G1 Z1 to G1 Z-0.1 and re-run.

Drill Center

Zero X to 13mm from short edge

Zero Y to 25.4mm from long edge (center of material)

Set spindle speed to 1200 RPM

Starter Center Drill (002)

Zero Tool Z Manually w/ 5/16 drill, zero Z to drill shoulder.

G21 (set units to millimeters)
G90 (set measurements to absolute, relative to machine zero)
G0 Z20 (traverse to 20mm above part)
G0 X0 Y0 (traverse to origin XY)
F60 (set feed rate to 60mm per minute, 0.025 mm per tooth)
G0 Z5 (traverse to 5mm above part)

G1 Z-6 (feed to 6mm deep)
G0 Z5 (retract to 5mm above)
G0 Z0 (traverse to 0mm above)
G1 Z-12 (feed to 12mm deep)
G0 Z20 (traverse to 20mm above)

Final Center Drill (003)

Zero Tool Z Manually w/ 1/2 drill, zero Z to drill shoulder.

G21 (set units to millimeters)
G90 (set measurements to absolute, relative to machine zero)
G0 Z20 (traverse to 20mm above part)
G0 X0 Y0 (traverse to origin XY)
F60 (set feed rate to 60mm per minute, 0.035 mm per tooth)
G0 Z5 (traverse to 5mm above part)

G1 Z-6 (feed to 6mm deep)
G0 Z5 (retract to 5mm above)
G0 Z0 (traverse to 0mm above)
G1 Z-9 (feed to 9mm deep)
G0 Z20 (traverse to 20mm above)

Drill Screw Holes

Drill Threaded Hole (004)

Use bit that came with M4-0.7 tap.

Zero Z to drill bit shoulder.

G21 (set units to millimeters)
G90 (set measurements to absolute, relative to machine zero)
G0 Z20 (traverse to 20mm above part)
G0 X9.5 Y9.5 (traverse to screw hole center XY)
F60 (set feed rate to 60mm per minute, 0.025 mm per tooth)
G0 Z5 (traverse to 5mm above)

G1 Z-5 (peck to 5mm deep)
G0 Z6 (retract to 6mm above)
G0 Z0 (traverse to 0mm above)
G1 Z-10 (peck to 10mm deep)
G0 Z6 (retract to 6mm above)
G0 Z0 (traverse to 0mm above)
G1 Z-9 (peck to 9mm deep)
G0 Z20 (traverse to 20mm above)

Drill Slip Hole (005)

Use .166" or 4.25mm bit.

Zero Z to drill bit shoulder.

G21 (set units to millimeters)
G90 (set measurements to absolute, relative to machine zero)
G0 Z20 (traverse to 20mm above part)
G0 X-9.5 Y-9.5 (traverse to screw hole XY)
F60 (set feed rate to 60mm per minute, 0.025 mm per tooth)
G0 Z5 (traverse to 5mm above)

G1 Z-5 (peck to 5mm deep)
G0 Z6 (retract to 6mm above)
G0 Z0 (traverse to 0mm above)
G1 Z-10 (peck to 10mm deep)
G0 Z6 (retract to 6mm above)
G0 Z0 (traverse to 0mm above)
G1 Z-9 (peck to 9mm deep)
G0 Z20 (traverse to 20mm above)

Arc Bore Center

Zero Tool Z w/ 6mm Square End Mill

Set spindle speed to 2600 RPM

Bearing Retainer (006)

G21 (set units to millimeters)
G90 (set measurements to absolute, relative to machine zero)
G0 Z20 (traverse to 20mm above part)
G0 X0 Y0 (traverse to origin XY)
F120 (set feed rate to 120mm per minute)
G0 Z5 (traverse to 5mm above part)

G1 Z1 (feed to 1mm above part)

(repeatable cut)
G1 X4.5 Y0 (feed to 1.5mm cut)
G2 X4.5 Y0 I-4.5 J0 (bore circle to same location around machine zero)
G1 X6 Y0 (feed to final size)
G2 X6 Y0 I-6 J0 (bore circle to same location around machine zero)
G1 X0 Y0 (feed to origin)
(repeatable cut)

G1 Z-2 (feed to 2mm below surface)

(repeatable cut)
G1 X4.5 Y0 (feed to 1.5mm cut)
G2 X4.5 Y0 I-4.5 J0 (bore circle to same location around machine zero)
G1 X6 Y0 (feed to final size)
G2 X6 Y0 I-6 J0 (bore circle to same location around machine zero)
G1 X0 Y0 (feed to origin)
(repeatable cut)

G1 Z-4 (feed to 4mm below surface)

(repeatable cut)
G1 X4.5 Y0 (feed to 1.5mm cut)
G2 X4.5 Y0 I-4.5 J0 (bore circle to same location around machine zero)
G1 X6 Y0 (feed to final size)
G2 X6 Y0 I-6 J0 (bore circle to same location around machine zero)
G1 X0 Y0 (feed to origin)
(repeatable cut)

G1 Z-6 (feed to 6mm below surface)

(repeatable cut)
G1 X4.5 Y0 (feed to 1.5mm cut)
G2 X4.5 Y0 I-4.5 J0 (bore circle to same location around machine zero)
G1 X6 Y0 (feed to final size)
G2 X6 Y0 I-6 J0 (bore circle to same location around machine zero)
G1 X0 Y0 (feed to origin)
(repeatable cut)

G1 Z-8 (feed to 8mm below surface)

(repeatable cut)
G1 X4.5 Y0 (feed to 1.5mm cut)
G2 X4.5 Y0 I-4.5 J0 (bore circle to same location around machine zero)
G1 X6 Y0 (feed to final size)
G2 X6 Y0 I-6 J0 (bore circle to same location around machine zero)
G1 X0 Y0 (feed to origin)
(repeatable cut)

G1 Z-9 (feed to 10mm below surface)

(repeatable cut)
G1 X4.5 Y0 (feed to 1.5mm cut)
G2 X4.5 Y0 I-4.5 J0 (bore circle to same location around machine zero)
G1 X6 Y0 (feed to final size)
G2 X6 Y0 I-6 J0 (bore circle to same location around machine zero)
G1 X0 Y0 (feed to origin)
(repeatable cut)

G0 Z20 (traverse to 20mm above part)

Bearing Cup (007)

G21 (set units to millimeters)
G90 (set measurements to absolute, relative to machine zero)
G0 Z20 (traverse to 20mm above part)
G0 X0 Y0 (traverse to origin XY)
F120 (set feed rate to 120mm per minute)
G0 Z5 (traverse to 5mm above part)

G1 Z1 (feed to 1mm above part)

(repeatable cut)
G1 X7.5 Y0 (feed to 1.5mm cut)
G2 X7.5 Y0 I-7.5 J0 (bore circle to same location around machine zero)
G1 X8.03 Y0 (feed to final size)
G2 X8.03 Y0 I-8.03 J0 (bore circle to same location around machine zero)
G1 X0 Y0 (feed to origin)
(end repeatable cut)

G1 Z-2 (feed to 2mm below surface)

(repeatable cut)
G1 X8.03 Y0 (feed to bore size)
G2 X8.03 Y0 I-8.03 J0 (bore circle to same location around machine zero)
G1 X0 Y0 (feed to origin)
(end repeatable cut)

G1 Z-4 (feed to 4mm below surface)

(repeatable cut)
G1 X8.03 Y0 (feed to bore size)
G2 X8.03 Y0 I-8.03 J0 (bore circle to same location around machine zero)
G1 X0 Y0 (feed to origin)
(end repeatable cut)

G1 Z-6 (feed to 6mm below surface)

(repeatable cut)
G1 X8.03 Y0 (feed to bore size)
G2 X8.03 Y0 I-8.03 J0 (bore circle to same location around machine zero)
G1 X0 Y0 (feed to origin)
(end repeatable cut)

G1 Z-7 (feed to 7mm below surface)

(repeatable cut)
G1 X8.03 Y0 (feed to bore size)
G2 X8.03 Y0 I-8.03 J0 (bore circle to same location around machine zero)
G1 X0 Y0 (feed to origin)
(end repeatable cut)

G0 Z20 (traverse to 20mm above part)

Arc Cut Perimeter (008)

Zero Tool Z w/ 3/8 Square End Mill

Check for Z-9 Clearance above Vise

G21 (set units to millimeters)
G90 (set measurements to absolute, relative to machine zero)
F120 (set feed rate to 120mm per minute)
G0 Z20 (traverse to 20mm above part)
G0 X25 Y5.93 (traverse to cut start XY)
G0 Z5 (traverse to 5mm above part)

G1 Z1 (feed to 1mm above part)

(repeatable cut)
G1 X14.32 Y5.93 (feed to first arc start)
G2 X-5.93 Y-14.32 I-14.32 J-5.93 (arc cut to second arc start)
G2 X-14.32 Y-5.93 I-3.57 J4.82 (arc cut to third arc start)
G2 X5.93 Y14.32 I14.32 J5.93 (arc cut to fourth arc start)
G2 X14.32 Y5.93 I3.57 J-4.82 (arc cut to first arc start)
G1 X25 (cut to outside part)
(end repeatable cut)

G1 Z-2 (feed to 2mm below part)

(repeatable cut)
G1 X14.32 Y5.93 (feed to first arc start)
G2 X-5.93 Y-14.32 I-14.32 J-5.93 (arc cut to second arc start)
G2 X-14.32 Y-5.93 I-3.57 J4.82 (arc cut to third arc start)
G2 X5.93 Y14.32 I14.32 J5.93 (arc cut to fourth arc start)
G2 X14.32 Y5.93 I3.57 J-4.82 (arc cut to first arc start)
G1 X25 (cut to outside part)
(end repeatable cut)

G1 Z-4 (feed to 4mm below part)

(repeatable cut)
G1 X14.32 Y5.93 (feed to first arc start)
G2 X-5.93 Y-14.32 I-14.32 J-5.93 (arc cut to second arc start)
G2 X-14.32 Y-5.93 I-3.57 J4.82 (arc cut to third arc start)
G2 X5.93 Y14.32 I14.32 J5.93 (arc cut to fourth arc start)
G2 X14.32 Y5.93 I3.57 J-4.82 (arc cut to first arc start)
G1 X25 (cut to outside part)
(end repeatable cut)

G1 Z-6 (feed to 6mm below part)

(repeatable cut)
G1 X14.32 Y5.93 (feed to first arc start)
G2 X-5.93 Y-14.32 I-14.32 J-5.93 (arc cut to second arc start)
G2 X-14.32 Y-5.93 I-3.57 J4.82 (arc cut to third arc start)
G2 X5.93 Y14.32 I14.32 J5.93 (arc cut to fourth arc start)
G2 X14.32 Y5.93 I3.57 J-4.82 (arc cut to first arc start)
G1 X25 (cut to outside part)
(end repeatable cut)

G1 Z-8 (feed to 8mm below part)

(repeatable cut)
G1 X14.32 Y5.93 (feed to first arc start)
G2 X-5.93 Y-14.32 I-14.32 J-5.93 (arc cut to second arc start)
G2 X-14.32 Y-5.93 I-3.57 J4.82 (arc cut to third arc start)
G2 X5.93 Y14.32 I14.32 J5.93 (arc cut to fourth arc start)
G2 X14.32 Y5.93 I3.57 J-4.82 (arc cut to first arc start)
G1 X25 (cut to outside part)
(end repeatable cut)

G1 Z-9 (feed to 9mm below part)

(repeatable cut)
G1 X14.32 Y5.93 (feed to first arc start)
G2 X-5.93 Y-14.32 I-14.32 J-5.93 (arc cut to second arc start)
G2 X-14.32 Y-5.93 I-3.57 J4.82 (arc cut to third arc start)
G2 X5.93 Y14.32 I14.32 J5.93 (arc cut to fourth arc start)
G2 X14.32 Y5.93 I3.57 J-4.82 (arc cut to first arc start)
G1 X25 (cut to outside part)
(end repeatable cut)

G0 Z20 (traverse to 20mm above part)