This video demonstrates multi-point shaft straightening: instead of checking one or two spots, the machine measures the shaft at many stations along its length — 2–3 probes for short shafts and 5 or more on long parts — building a complete bending profile, then presses point by point at every detected high spot and re-measures until the whole shaft is in tolerance. The operator display shows each measuring station as a simple bar, so the bending profile is visible at a glance and every correction is logged against the part.
Each correction is closed-loop: the probe reads residual runout, the control predicts springback and the ram advances accordingly, converging on 0.02–0.05 mm TIR for automotive parts and 0.02 mm or better for precision components. Mapping the full shaft also catches compound bends that single-point methods miss; the probing logic is explained in our note on TIR measurement.
Gear shafts, stepped transmission shafts, lead screws and rotor shafts all benefit, because bend rarely sits at just one location. Throughput is 5–10 times higher than manual work and one operator can run one or two CNC machines. Find the matching configuration in the automatic straightening machine range.
For a tailored proposal, request a quote with part drawings and annual output, or book a factory visit in Shandong to see machines in build.
Full-length bend mapping: 2–3 points on short shafts, 5+ on long
Point-by-point correction at every measured high spot
Closed-loop springback control on each correction
TIR 0.02–0.05 mm automotive; ≤0.02 mm precision grade
Catches compound bends that single-point methods miss
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