

How to Select Measuring Datums for Stepped Shafts
Select a defensible measuring datum for stepped-shaft straightening by separating the drawing datum, functional axis, machine supports, rotation method and customer acceptance gauge.


Select a defensible measuring datum for stepped-shaft straightening by separating the drawing datum, functional axis, machine supports, rotation method and customer acceptance gauge.


Engineer plasticizing screw straightening around helical-flight measurement, protected contact tooling, wear and coating limits, released runout and barrel fit.


A closed-loop measurement and press-straightening solution for slender motor worm shafts, including datum selection, springback control and protected features.


Plan a straightening sample test, FAT and SAT with representative parts, agreed gauges, measurable acceptance criteria, traceable results and clear release gates.


Separate tube ovality from centerline straightness by defining cross-section, lengthwise geometry, datum, support condition, wall integrity and customer-gauge acceptance.


A proposed automatic straightening solution for Ø4.5–16 mm hardened textile shafts, covering datum-based measurement, low-increment press correction.


A proposed automatic straightening solution for large seamless steel pipes, covering full-length measurement, self-weight-aware support.


Define PASS, NOK, rework, stop and engineering-review routes for a straightening line using traceability, isolation, remeasurement, correction limits.


A proposed UBS 300 motor shaft straightening solution for Ø8–18 mm shafts, covering datum-based measurement, controlled correction, automatic feeding and final verification.


Engineer pump shaft straightening around bearing and seal journals, protected contact zones, released runout, repair boundaries and rotor assembly checks.


A drawing-based straightening solution for power tool extension bars, covering functional datums, asymmetric-end handling, controlled point correction.


Understand the Bauschinger effect in straightening as a material-behavior framework for reverse loading, residual stress, trial planning and released-part verification.