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Design for Manufacturability in Non-Standard Automation Machines

JUMI 2026-09-132026-09-19 Technology 

Design for Manufacturability in Non-Standard Automation Machines A non-standard machine is built once, runs for years, and rarely benefits from the economies of scale that production parts enjoy. That single-unit reality changes how a designer…

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Email Thread: The Sensor That Saw a Box That Was Not There, and the One That Refused the Label

JUMI 2026-09-122026-09-19 Technology  inductive vs photoelectric proximity sensor, photoelectric sensor background suppression, sensor false trigger packaging line

A thread about a case packer that counted a shadow as a box and then could not see an actual box at all, and how the sensor type was argued back to the physics. Names…

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Email Thread: The Brake That Held, and the One That Only Thought It Would

JUMI 2026-09-122026-09-19 Technology  hoist brake emergency stop, safe stop brake torque margin, spring applied brake sizing

A thread about a vertical conveyor that moved five millimetre a minute while it claimed to be stopped, and how the brake torque margin got checked against the real duty cycle. Names trimmed. From: J….

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Email Thread: Sixty Amps at Midnight, or How the Motor Learned to Start Soft

JUMI 2026-09-122026-09-19 Technology  motor starting current inrush, variable frequency drive soft start, VFD vs star delta motor starting

A thread from a packaging plant where the 55 kW feeder motor came off the line once a quarter, and the conversation about starters outlasted the motor bearings. Names trimmed. From: G. Novak, Electrical —…

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Email Thread: The Tank Sized by Hope, and the Cooler That Settled the Argument

JUMI 2026-09-122026-09-19 Technology  hydraulic oil tank volume rule, hydraulic system heat rejection, oil cooler sizing calculation

A thread about a machine that ran warm from day one, and how the reservoir drawing and the cooler budget disagreed for three weeks before the numbers settled it. Names trimmed. From: D. Okafor, Customer…

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Email Thread: The Return Filter That Got Blamed for the Oil

JUMI 2026-09-122026-09-19 Technology  hydraulic oil contamination control, ISO 4406 oil cleanliness target, return filter differential pressure

A thread from a press plant where the return-line filter was the monthly scapegoat until somebody broke open the cartridge and read the delta-P log. Names trimmed, ISO codes left real. From: F. Costa, Maintenance…

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Email Thread: The Lip Seal That Dripped Exactly on Schedule

JUMI 2026-09-122026-09-19 Technology  lip seal shaft finish Ra, oil seal material FKM NBR, radial lip seal leakage

A thread from a candy-packaging line where the gearbox drip was measured, not guessed, and the cure turned out to be a material swap and a shaft polishing step, not a tighter spring. Names blotted…

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Email Thread: Bearing Seat Fit and the Clearance That Vanished Before Lunch

JUMI 2026-09-122026-09-19 Technology  6208 bearing running clearance, bearing housing seat fit, bearing internal clearance C3

A field thread from a cooling-fan retrofit in a foundry ventilation room, forty-five minutes between a clean bearing press-fit and a hot cover plate. Edited for names and part numbers. From: T. Nguyen, Production —…

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Email Thread: Spline Coupling Selection, and the Argument About Which Tooth Profile Carries the Shock

JUMI 2026-09-122026-09-19 Technology  involute spline vs rectangular, spline coupling selection, spline shaft tooth hardness

An edited thread from a machine-tool retrofit project, the axis that feeds a transfer line. The debate took three weeks and settled on a tooth profile nobody had wanted to start with. From: R. Almeida,…

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Email Thread: Oil Mist Past the Labyrinth Seal, and the Sling Ring That Told the Truth

JUMI 2026-09-122026-09-19 Technology  gearbox oil mist, labyrinth seal oil leak, sling ring oil seal

An edited internal thread from the high-speed gearbox line. The topic is a small oil leak that grew until it stopped a line, the labyrinth seal, the sling ring, and the one disassembly photo that…

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Email Thread: Set Screw Holding Torque on the Coupling Hub, and the Argument That Settled It

JUMI 2026-09-122026-09-19 Technology  grub screw selection, set screw holding torque, shaft hub fastening design

This is a lightly edited thread from our files, names and one supplier changed, figures unchanged. It shows how a set screw holding-torque question travelled from design to the supplier to production and back, and…

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Work Order: Press Fit Force Profile Drift Caught by Displacement and Force Monitoring on the Bushing Press

JUMI 2026-09-112026-09-19 Technology  bushing press fitting, force displacement monitoring, press fit interference

WORK ORDER — Maintenance and Improvement Record Work order no: WO-A-2026-10    Date issued: 2026-09-11    Category: Press fitting and press monitoring Machine / cell: Bushing press cell PR-3 in the gearbox housing line Status:…

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Work Order: Tightening Torque Drift and Fastener Scatter on the Four-Spindle Nutrunner

JUMI 2026-09-112026-09-19 Technology  four spindle nutrunner, multi spindle tightening station, tightening torque control

WORK ORDER — Maintenance and Improvement Record Work order no: WO-A-2026-09    Date issued: 2026-09-11    Category: Fastening and assembly Machine / cell: Four-spindle nutrunner station NR-2 in the engine assembly line Status: Closed   …

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Work Order: Label Placement Drift on the Inline Labeling and Laser Marking Station

JUMI 2026-09-112026-09-19 Technology  inline labeling station, label and laser mark register, label placement accuracy

WORK ORDER — Maintenance and Improvement Record Work order no: WO-A-2026-08    Date issued: 2026-09-11    Category: Marking and labeling Machine / cell: Inline labeling and laser marking station LM-4 on the finished goods line…

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Work Order: Lifting Traverse Drift on the Two-Station Scissor Transfer

JUMI 2026-09-112026-09-19 Technology  lifting traverse drift, scissor lift traverse, two station pallet transfer

WORK ORDER — Maintenance and Improvement Record Work order no: WO-A-2026-07    Date issued: 2026-09-11    Category: Material handling Machine / cell: Two-station scissor lifting traverse ST-2 between the machining line and the wash cell…

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