Scrap from out-of-tolerance shafts usually traces to one moment: a press where nobody measured the result. This cycle removes that moment. After loading, the shaft turns under the probes, the control locates each bend, and the ram corrects the peak with a calculated stroke. Probes re-check after every hit; parts that cannot reach target are identified then, not at final inspection. Good shafts are unloaded to the conveyor; suspect ones are set aside with readings attached.
Tolerance comes in three verified bands — 0.10–0.30 mm/m for general engineering, 0.02–0.05 mm for automotive, ≤0.02 mm for precision — and the number on each part is a measurement, not an assumption. That consistency cuts rework loops downstream. Compact shafts are measured at two to three points, long ones at five to eight. Our TIR measurement guide puts the bands in drawing terms.
Tier suppliers, hydraulics makers, and precision shops use the process on drive shafts, piston rods, ball screws, and motor shafts where bearing fit is unforgiving. Each press is specified around target tolerance and volume, with manual-load CNC or automatic loading and data logging for quality records. Built for 380–480 V three-phase plants, machines deliver in 60–120 days; sizing questions are answered in the shaft straightening machine buyer’s guide.
Scrap reports point straight at the straightening cell. Attach the rejected shafts’ prints with current rejection rates and target TIR; our quality-oriented desk will estimate the recoverable percentage and the machine that gets there — request a quote.
Verified TIR bands: 0.10–0.30 mm/m, 0.02–0.05 mm, ≤0.02 mm
Every part measured after pressing; failures flagged at the machine
Two to three / five to eight probe points by shaft length
Manual-load CNC or fully automatic loading options
Per-piece data logging for traceability
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