Cutting and Machining, Machine Shops Industry Terminology

Use adaptive clearing to rough the deep pocket efficiently; We switched to adaptive to reduce heat and extend tool life; Tune the adaptive step-over to keep chip thickness consistent.

Heat the 4140 blanks to anneal before machining; Annealing removed the residual stresses from forging; The print calls for full anneal prior to roughing.

We’re in APQP Phase 3 for this launch; The customer wants APQP deliverables like the control plan and PFMEA; APQP gates must be passed before PPAP submission.

Our shop is AS9100 certified for aerospace work; The audit will review AS9100 process compliance; AS9100 procedures govern our FAI process.

Verify the BOM includes the correct raw stock and hardware; The ERP pulls the BOM for costing; Engineering updated the BOM to add thread inserts.

Finish the bore to size with a boring head; We need a fine-boring bar to hit that tolerance; Cycle includes rough drill then boring to final diameter.

The CMM is the bottleneck delaying shipments; Reduce setup time on the lathe to relieve the bottleneck; VSM shows heat treat as our bottleneck process.

We broach the keyway after turning; Outsource the spline broaching to a certified vendor; A rotary broach will cut that hex quickly.

Parts need deburring before anodize; Adjust feeds to reduce burr formation; The chamfer tool missed a burr on the exit edge.

Send the native CAD model with the RFQ; We updated the CAD to add a 1 mm fillet; The drawing and CAD must match revision B.

Program the toolpaths in CAM before posting; CAM simulation shows a collision near the fixture; We’ll use CAM templates for repeat setups.

Switch to a carbide end mill for better tool life; Use a coated carbide insert for stainless; Carbide performs well with HEM strategies.

Run the FAI on the CMM; The CMM report shows Y-position out of spec; Program the CMM to check true position and flatness.

We need Cpk ≥ 1.33 on this critical bore; The latest run improved Cpk after tool change; Submit Cpk data with the PPAP.

Reduce cycle time by optimizing tool changes; The quoted cycle time is 3.5 minutes per part; Probe routines added 10 seconds to cycle time.

Apply a 0.5 mm chamfer to break edges; The chamfer tool left a step, adjust Z-offset; Call out the chamfer on the drawing at 45 degrees.

Increase chip load to avoid rubbing; With a 4-flute end mill, set chip load to 0.002 inch per tooth; Adjust chip load for the aluminum alloy.

The pin-holes are specified as a clearance fit; We’ll open the hole 0.1 mm for a loose clearance; Use H7/g6 for a standard clearance fit.

Switch to flood coolant for tool life; Try MQL to reduce mess on aluminum; Verify coolant concentration is at 8 percent.

Set datum A on the bottom face for inspection; The fixture references datum features A, B, and C; Misidentifying the datum caused a true position error.

Send parts to deburring after milling; Add a hand deburr step for cross-holes; The vibratory tumbler handles bulk deburring.

Set axial DOC to 1.5 times diameter for roughing; Reduce radial DOC to prevent chatter; Optimize DOC to balance MRR and tool life.

We suggested DFM changes to increase tool access; DFM review removed an unnecessary tight tolerance; Add a relief groove per DFM best practices.

Wire EDM the profile after heat treat; Use sinker EDM for the sharp internal corner; EDM avoids introducing burrs on hardened steel.

Schedule the job in ERP and release the travelers; ERP shows we’re short on 6061 stock; Update the ERP routing for the new op.

Use a 3-flute end mill for aluminum; A corner-radius end mill will improve tool life; Swap to a long-reach end mill for the deep pocket.

Submit the FAI package with ballooned drawing; The first-off part passed FAI on the CMM; Customer requires FAI for each cavity.

Increase feed rate to maintain chip load at higher RPM; CAM outputs 85 IPM for the roughing pass; Lathe program uses 0.012 inch per rev feed.

Design a modular fixture for multiple parts; Add a hard stop to repeatably locate the datum; We’ll 3D-print soft jaws to fixture the casting.

Call out flatness of 0.05 mm on datum A; Lapping improved flatness on the sealing face; CMM scan shows a flatness violation near the corner.

Update the PFMEA after the tooling change; The PFMEA flagged high risk for burrs in cross-holes; Review PFMEA actions before ramping production.

Add a 2 mm fillet to reduce stress concentration; A small fillet improves tool path flow; The print’s sharp inside corner should be a fillet for machinability.

Post the program and check the G-code for safe moves; Add a G43 tool length offset before plunging; The machine alarmed on an invalid G-code command.

Run a gage R&R on the bore measurement; The mic failed gage R&R due to operator variation; Include MSA results in the PPAP file.

True position is called out using GD&T; Train operators to read GD&T feature control frames; GD&T allows more tolerance by referencing datums properly.

Use HEM with 10 percent radial and 2xD axial; HEM reduced cycle time by 30 percent; The tool geometry is optimized for HEM chip thinning.

This part is heat treated to 58 HRC; Choose tooling suitable for 45 HRC material; Verify HRC after quench and temper.

Apply HSM to finish the thin walls; HSM toolpaths improved surface finish; Our spindle can’t reach true HSM RPM on this tool diameter.

Use an HSS tap for general-purpose threading; HSS drills are fine for the pilot hole; Switch from HSS to carbide for longer life in stainless.

Do an in-process check every 10 parts; Add a probing cycle for in-process measurement; In-process inspection caught the drift before scrap.

Change the insert when flank wear appears; Use a CVD-coated insert for cast iron; The insert geometry handles interrupted cuts well.

Design the shaft and bore for an interference fit; Chill the pin and heat the hub for assembly; We’ll press-fit the bushing to achieve the interference.

Our QMS is certified to ISO 9001; The auditor checked ISO 9001 procedures for calibration; ISO 9001 requires documented corrective actions.

Use a drill jig to guide hole locations; The jig ensures repeatable hole angles; Different from a fixture, the jig guides the tool.

Run a kaizen event on setup reduction; Operators proposed a kaizen to improve chip evacuation; Kaizen culture drives daily small improvements.

Trigger a kanban card when bin is empty; Implement kanban for tool crib replenishment; The kanban board visualizes WIP limits.

Load the bar stock in the CNC lathe; Turn the OD and face in one setup; The lathe with live tooling can mill the hex.

Quoted lead time is four weeks ARO; Reduce lead time by parallelizing operations; Supplier delays extended our lead time.

Apply lean to cut motion waste in setup; 5S is a core lean practice on the shop floor; Lean projects improved on-time delivery.

Use live tooling to mill flats on the lathe; Live tooling eliminates a secondary op on the mill; Check live tool RPM limits for the small end mill.