Multi-step self-check misses a lot
Mark-off, bolts and torque stack up. Self-check misses skipped steps and bad fits.
StoneDT
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StoneDT
Customer background
A metal-structure plant for industrial frames used in machinery and logistics. SOP covers bushing mark-off, bolt insert, torque and weld. Order and quality decide strength. A skipped step or bad fit can fail the structure.
Self-check and team-lead patrols miss skipped steps, offset bushings, loose bolts and cosmetic defects, with no standard QC trail. Escape can mean fracture and equipment failure. The plant needed AI to tick the SOP list.
Pain points Multi-step self-check misses a lotMark-off, bolts and torque stack up. Self-check misses skipped steps and bad fits.
No digital QC recordNo archive. Defects cannot pin step or person. Improvement has no evidence.
Defects escape; after-sales cost is highBatch defects at the customer drive repair and returns and hurt trust.
SolutionSOP vision: bushing mark-off, bolt insert, torque confirm, weld check and step order. Ticks materials and assembly state through the frame job, 7×24, for mixed small lots.
AI vision on bolts
Bushing mark-off and assembly
Catch skipped steps
Incomplete assembly
Live status per key step. Missing steps, offset bushings, missing bolts and bad fits alarm with data, timestamps and video. Dashboards show pass rate, hot steps and operators. AI replaces self-check with one objective standard and a full trail.