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Fourth axis that loses a degree over a long program Solved
A rotary on a VMC drills a pattern around a shaft. The first hole is on the mark. By the eighth face the hole…
Machines · Zoryra Forum · Lead · 3 replies · 1 view ·
Lathe turret that indexes a few tenths off after a heavy cut Solved
After a 3 mm depth rough on 4140, the next tool in the turret sits about 0.04 mm off in X compared with the m…
Machines · Zoryra Forum · Lead · 3 replies · 1 view ·
VMC spindle sounds like a bearing after a crash into a vise
The operator stopped the spindle after a tool hit the vise jaw at low rpm. It still turns and holds a taper,…
Machines · Zoryra Forum · Lead · 3 replies · 1 view ·
Why does the same program cut big on the left vise only in the morning? Solved
Two vises, one program, work offsets set last night. In the morning the left vise cuts a boss 0.04 mm big. By…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
Small end mill pulls out of a collet on a ramp Solved
A 3 mm carbide mill in an ER collet ramps into 6061 at 3 degrees and slowly walks out of the collet. Length o…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
Feed hold leaves a tool mark on a turned diameter Solved
Any time someone hits feed hold during a finish turn, the diameter has a groove. The operator is holding beca…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
Tapping a blind hole that must be full thread to the bottom Solved
The print shows full thread to within 1 mm of the bottom of a blind M6, 12 mm deep. A spiral point tap is wha…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
What wear offset do you leave for a polishing pass that is not in the CAM?
The CAM program finishes a boss to size. The buyer then wants a hand polish on the top. If we polish after a…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
Helical bore that chats at the bottom only Solved
A 25 mm hole is opened with a 12 mm end mill on a helix. The top is round. The last 3 mm chatters and the bor…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
Hole pattern rotates a few tenths between two vises Solved
The same program drills a four-hole pattern in two vises. Vise one matches the print. Vise two is rotated by…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
Cutter compensation that gouges the lead-in Solved
Wear compensation on a profile works for the walls and gouges the arc lead-in when the wear is a few tenths n…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
Constant surface speed that overspeeds a large face Solved
A facing cycle on a 300 mm disk in aluminum uses constant surface speed. At the center the spindle hits the c…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
Drill breaks out with a heavy burr on the far side of a tube
Cross-drilling a 2 mm wall stainless tube. The hole size is fine. The inside burr is a flap that fails a bore…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
How do you restart a long 3D finish without a witness line? Solved
A surface finish on a mold core takes forty minutes. A holder pulled out at minute twenty. Restarting at the…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
Feeds that sound fine but leave a built-up edge on 6061 Solved
A 16 mm three-flute aluminum mill at the tool card's rpm sounds smooth and grows a cap of aluminum on the edg…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
Slot is wide at the top and to size at the bottom Solved
A 10 mm slot, 8 mm deep, in 6061 measures 10.12 at the top and 10.01 at the floor. The end mill is 10 mm, ful…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
Work offset changed after a tool change mid-cycle Solved
We broke a drill, replaced it, and set the length. After restart the next tool cut deep by about the length d…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
Thread mill that gauges tight at the start and loose at the bottom
A 1/4-20 thread mill in a 20 mm deep hole passes the go gauge at the top and fails at the bottom. The tool is…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
Finish pass that rubs instead of cutting on aluminum Solved
A face mill leaves a cloudy face on 6061 when the finish stock is 0.05 mm. The same tool with 0.3 mm stock lo…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
Peck drill wandering on a cross hole in round bar Solved
A 6 mm cross hole through 32 mm round 12L14 walks about 0.3 mm by the time it breaks out. We spot with a 90 d…
CNC · Zoryra Forum · Lead · 3 replies · 1 view ·
