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Bore is tapered after a finish bar on a lathe Solved A 40 mm bore, 55 mm deep, in 1045 measures 40.01 at the face and 39.96 at the bottom. The bar is 16 mm shank,… CNC · Zoryra Forum · Lead · 3 replies · 1 view · Rigid tap alarm at the bottom of an M8 in 304 Solved M8x1.25 rigid tap in 304 stainless alarms on the reverse about one time in eight. The hole is drilled 6.8 mm… CNC · Zoryra Forum · Lead · 3 replies · 1 view · Chatter on a 12 mm end mill finishing a 4140 wall A 12 mm four-flute carbide mill finishes a 28 mm tall wall in 4140 prehard. Roughing is quiet. The finish pas… CNC · Zoryra Forum · Lead · 3 replies · 1 view · What should a traveler show between machine and inspection? Solved Inspection is rejecting parts for a dimension the machine operator says was never on their check. The travele… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · Air hose used as a hammer to seat a part Solved I watched a part get tapped home with the air gun brass tip because the stop was proud. The operator says it… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · How do you mark a part that still has to be machined on the other side? Solved Op 1 is done, op 2 is tomorrow. Unmarked parts are going back into the raw bin. We have machined op 1 twice a… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · A new setter is crashing the probe on the first approach Solved The probe routine is in the program and it works for the people who wrote it. A new setter touched the probe… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · Parts washed, then rusted over the weekend Steel pins were washed Friday, left in a basket, and Monday they have a haze of rust. The wash is a water-bas… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · How long do you wait for a casting before you pull the job off the machine? Solved A batch of ten housings is on the schedule. Six castings are here, four are 'this week.' The fixture is indic… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · Tool cabinets that do not match the program tool numbers Solved Tool 4 in the program is a 10 mm rougher. Tool 4 in the cabinet is sometimes that and sometimes a finisher, d… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · A drawing note says break edges, and the buyer rejected a 0.2 mm chamfer Solved Every edge on a small steel spacer was broken about 0.2 mm, which is what we always do for 'break edges.' The… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · Oil on the floor by the lathe every Monday Solved The ways look wet every Monday even though Friday's shutdown checklist says the oil was wiped. Chips are clea… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · How do you stage a hot job without losing the job already in the vise? A buyer calls for ten covers today. The vise has a fixture for a different part with twenty pieces left. Pull… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · Hand taps in a cell that is supposed to be hands-off Solved The program drills and the cell is sold as unattended, but three holes per part are still hand tapped at the… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · What do you print on a scrap tag so the next lot does not repeat it? Solved Scrap is going into a red bin with a marker scribble. A week later nobody can say if it was a bad offset, a b… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · A vise that will not repeat after we changed the jaws Solved Soft jaws were recut this morning. The first part was perfect. After lunch the bore walked 0.06 mm in X and t… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · How do you stop chips from packing a small pocket on an unattended run? Solved A 14 mm pocket in 6061 packs with chips about twenty minutes into a pallet. The tool is fine when someone sta… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · Who owns a part that fails at incoming after we already shipped it? A buyer sent back a lot of turned pins. Our in-process check passed. Their incoming gauge says the diameter i… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · Coolant smell and a rash on wrists after a long aluminum week Solved The sump on the small VMC has been running the same coolant for about two months. Parts are fine. Two people… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view · How tight should a first-article hold be before the rest of the lot runs? Solved We cut one, check it, then cut nineteen more. Twice this month the first piece passed and piece eight was out… Shop floor · Zoryra Forum · Lead · 3 replies · 1 view ·