#inventory-accuracy

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記事（41）

WMS Inventory Discrepancies After Go-Live: Master Data, Barcodes, and Permissions

WMS inventory discrepancy after go-live usually is not a math error in the system. It is three leaks — master data, barcodes, and permissions — each priced here with a 30-day plan to close them.

2026-11-01

倉庫運営ノウハウ · 動線・プロセス最適化

When a Receiving Backlog Chokes Putaway: Clear the Queue Before You Chase Speed

A receiving backlog leaves freight stuck in staging while orders wait. This guide shows how to clear the putaway queue by tier, track aging, and fix record-versus-reality gaps before chasing speed.

2026-10-29

自動化設備ガイド · 自動倉庫（AS/RS）

ASRS Inventory Counting Without a Shutdown: Cycle Counts Inside an Automated Warehouse

ASRS inventory counting does not require a shutdown: counting windows, opportunistic checks, and count-at-pick, combined with same-shift variance closure, keep automated warehouse records accurate.

2026-10-29

システム選定ラボ · OMS北米

Ship-from-Store: The 5 Hurdles Nobody Warns You About (Inventory Accuracy, Labor, Routing, Accounting, Returns)

Stores as micro-fulfillment sounds great until retailers actually try it. Ah K breaks down ship-from-store's five hurdles from a seller's view: inventory accuracy, associate incentives, OMS routing, revenue accounting, and returns.

2026-10-23

倉庫運営ノウハウ · 在庫管理・棚卸

Phantom Inventory: Seven Real Causes and the Fix Playbook

Your system says the stock is there. The shelf says otherwise. Shifu Zhao breaks down the seven real causes of phantom inventory in the warehouse—missed receiving scans, unconfirmed moves, the returns black hole, theater cycle counts and more—plus a fix playbook that actually works on the floor.

2026-10-22

倉庫運営ノウハウ · ops:inventory

Third-Party Inventory Counting Services: What RGIS and WIS Charge, and How to Run One

How do third-party inventory counting services like RGIS and WIS charge? When is hiring one worth it, and when is counting in-house cheaper? This piece starts with real math: the fee structure decoded, in-house vs outsourced cost comparison, a calculable decision formula, plus the field coordination checklist and acceptance standards.

2026-10-22

倉庫運営ノウハウ · 在庫管理・棚卸

Warehouse License Plate (LPN) Tracking Guide: One Label at Receiving, One Source of Truth

Warehouse license plate (LPN) tracking is the cheapest accuracy upgrade a warehouse can buy: a license plate label costs under two cents in bulk, while a single mispick costs $50 to $300 by industry reckoning. This guide takes a cost analyst's outsider view of LPN management — where the money leaks without pallet-level identity, what the GS1 18-digit SSCC really requires (and the membership fee you can safely skip), the true cost structure of labels, scan labor and go-live effort, and the three implementation decisions that matter most: pre-labeled vs. print-on-receipt, split-and-merge rules for mixed pallets, and numbering discipline. It closes with a five-minute breakeven formula: plug in your pallets per day, monthly mispicks and cost per error, and the math tells you whether LPN tracking pays for itself.

2026-10-19

倉庫運営ノウハウ · 動線・プロセス最適化

No-Shutdown Cycle Counts: Flow Isolation and the Contract Clauses Behind It

A 3PL sales director breaks down the business of no-shutdown cycle counting: three layers of flow isolation, why zone cycle counts beat wall-to-wall shutdown counts on accuracy, and the three questions to ask before signing the contract.

2026-10-19

システム選定ラボ · 連携・導入

SKU Master Data Sync Across WMS, ERP and Marketplaces

One product, three codes across WMS, ERP and listings. A 4-step SKU master playbook — one owner, one mapping table, locked sync — at $30–$75 per mis-ship.

2026-10-19

倉庫運営ノウハウ · cycle-count

How to Improve Warehouse Cycle Count Accuracy: A 90-Day Plan From 92% to 98%

Stuck at 92% cycle count accuracy? This 90-day plan shows how to improve warehouse cycle count accuracy in three phases: re-rank ABC count frequency, close the variance loop, then lock counting into the WMS — with real warehouse cases and the cost math.

2026-10-16

倉庫運営ノウハウ · 在庫管理・棚卸

Don't Just True Up the Books: A Closed-Loop Inventory Reconciliation Process for 3PL Clients

When book and physical inventory disagree, don't just true up the numbers. A 3PL sales director explains the closed-loop inventory reconciliation process: trace the event chain, classify root causes, and settle liability in the contract.

2026-10-15

倉庫運営ノウハウ · 在庫管理・棚卸

How to Set Cycle Count Tolerance in Your Warehouse: The ABC × Dual-Threshold Method

How to set cycle count tolerance in your warehouse: start loose with dual thresholds (quantity variance or dollar variance, whichever trips first), ABC-classed (A: ±1% / ±$30, B: ±3% / ±$100, C: ±5% / ±$200), blind counts, variance reason codes, and 24-hour closure — then tighten quarterly from variance data.

2026-10-15

倉庫運営ノウハウ · 在庫管理・棚卸

Physical Inventory vs Cycle Counting: Which Fits Your Warehouse?

A full physical inventory cost one 3PL over $22,000 in visible costs alone — before counting the shutdown. So physical inventory vs cycle counting, which is better? Lao Zhou breaks down both with real bills, a decision table by warehouse size, and a formula you can calculate yourself.

2026-10-15

システム選定ラボ · WMS 選定

WMS vs ERP Inventory Modules: 5 Signals That Tell You Which One You're Actually Missing

What's the real wms vs erp inventory module difference? A WMS consultant with 30+ go-lives explains it in one sentence: ERP owns the books, WMS owns the floor — plus a 5-signal checklist to diagnose which one you're actually missing.

2026-10-15

倉庫運営ノウハウ · 在庫管理・棚卸

How Often Should You Calibrate a Pallet Jack Scale: When the Scale Drifts, Your Inventory Counts Go Wrong

How often should you calibrate a pallet jack scale? A drifting scale corrupts receiving weights and inventory accuracy. Calibration intervals and field checks.

2026-10-15

倉庫運営ノウハウ · receiving

UOM Unit Conversion: When Eaches, Cases, and Pallets Don't Add Up in Your WMS

Get one uom unit conversion wrong in your WMS and inventory, picking, and billing all go wrong silently. A three-step method to build the conversion table: survey packaging on the floor, anchor on the base unit, lock down who can change it.

2026-10-14

システム選定ラボ · 連携・導入

Connecting Your WMS to Power BI: Automated Inventory Reporting Without the Excel Treadmill

How to connect your WMS to Power BI for automated inventory reporting: three integration routes compared, the five reports to build first, and the metric-definition traps to avoid.

2026-10-13

倉庫運営ノウハウ · 在庫管理・棚卸

Cycle Count Variance Accountability: Investigation Tiers, Evidence Chains, and Review Metrics

Is chasing cycle-count variances to a person worth it? A cost analyst's playbook: tiered accountability, a four-node evidence chain, and computable review metrics.

2026-10-13

系统选型

Small Warehouse: WMS vs Excel — 4 Signs Your Spreadsheet Can't Keep Up

A small warehouse WMS vs Excel guide: the 4 breakdown signals (hit 2 and it's time to switch), the real cost ledger, a 6-step switching process with a night-before-go-live checklist, and the counterintuitive case of warehouses that should never buy a WMS.

2026-10-13

倉庫運営ノウハウ · 在庫管理・棚卸

Tying Inventory Accuracy to Bonuses: Cycle Count and Pick Errors in Performance Reviews

Small-warehouse owner Xiao Ma shares how his 3,000 sqm warehouse tied inventory accuracy to bonuses: cycle count variance goes to the team, pick errors to the individual, capped at 1,000 yuan a month. Pick errors fell from 0.9% to 0.4% in three months.

2026-10-13

倉庫運営ノウハウ · 在庫管理・棚卸

Warehouse Inventory Shrinkage: Our Average Is 0.2%, and Over 0.46% Means Sound the Alarm

Warehouse inventory shrinkage averages about 0.2%, and over 0.46% means sound the alarm. A warehouse manager shares five fixed practices that brought his shrinkage rate down from 0.5% to about 0.15%.

2026-10-13

システム選定ラボ · WES

A WES Manual Picking Hybrid Transition: Running System-Directed Dispatch and Paper Picking Side by Side

A WES manual picking hybrid transition keeps paper lists and system-directed dispatch alive at the same time. Lao Mi breaks down the real cost of the hybrid phase, two war stories from the floor, and four hard rules for landing it in 90–180 days.

2026-10-12

倉庫運営ノウハウ · 在庫管理・棚卸

How We Got Inventory Accuracy to 99.5%: Cycle Counts Plus Exception Intercepts

From 95% to 99.5%: warehouse operations manager Chen Feng breaks down his facility's system — an ABC cycle count schedule, five exception intercepts across receiving and shipping, and one failed "everyone counts every day" experiment that produced a contrarian lesson: counting more often doesn't always mean counting more accurately.

2026-10-12

倉庫運営ノウハウ · 在庫管理・棚卸

What Is a Good Inventory Accuracy Percentage? Tiered Benchmarks for Your Warehouse

What is a good inventory accuracy percentage for your warehouse? We learned the hard way: 99.5%+ for A SKUs, 98% for B, 95% for C. Here's how we tier targets, schedule cycle counts, and price the cost of aiming too high or too low.

2026-10-12

AI · 技術解説

Ask Your WMS Out Loud: Is Natural-Language Inventory Query Accurate Enough Yet?

Natural-language inventory queries sound magical, but real-world accuracy comes down to three things: a defined vocabulary, a confirmation step, and clean master data. WMS consultant Lin Xiao breaks down four traps in the pipeline from three real projects, plus a pre-pilot checklist.

2026-10-10

システム選定ラボ · OMS

OMS Says In Stock, WMS Says Zero: 5 Places to Hunt the Inventory Mismatch

OMS says in stock, WMS says zero? It's almost never a bug. Five checkpoints for the OMS WMS inventory mismatch — sync lag, in-transit, returns, unit conversion, warehouse mapping — each with verification and fix steps.

2026-10-10

AI · 技術解説

Drone Inventory Counting in Warehouses: Is the Accuracy Good Enough — and Can Humans Step Aside?

Is drone AI inventory counting accurate enough to drop human verification? From two real pilots, three bottlenecks — misreading, mislocating, the inability to act — and why the hybrid model beats full automation.

2026-10-10

倉庫運営ノウハウ · 在庫管理・棚卸

Inventory Doesn't Match? Don't Blame the Count: 5 Root Causes Beyond Counting

Most inventory discrepancy root causes have nothing to do with counting itself. A warehouse operations manager breaks down the five real culprits — receiving errors, putaway mistakes, picking the wrong slot, system and interface data loss, sloppy returns handling — plus a field-tested checklist you can run before your next recount.

2026-10-10

倉庫運営ノウハウ · 在庫管理・棚卸

Cycle Counting Frequency Best Practice: The ABC Schedule That Actually Works

How often should you cycle count? Monthly for A items, quarterly for B, semi-annually for C — the industry-standard ABC cycle counting frequency table. But the schedule is only the start: wrong classifications and unfixed root causes make even diligent counting worthless. A five-step, copy-paste setup from a WMS implementation consultant.

2026-10-10

倉庫運営ノウハウ · 在庫管理・棚卸

Blind vs Open Cycle Count: When to Use Each, and How to Stop the Cheating

Blind vs open cycle count is one of those warehouse debates that never dies. Open counts are fast but invite "copy the system quantity" cheating; blind counts stop fraud but cost you time and labor. After 20 years in US supply chain, here is my field guide: which method fits which scenario, a hybrid playbook, and three anti-gaming controls that actually work.

2026-10-09

倉庫運営ノウハウ · 在庫管理・棚卸

Cycle Counting Without Shutdowns: A Scheduling Playbook

Cycle counting keeps inventory accuracy high without shutting down the warehouse. This playbook covers ABC count frequency, zone-based scheduling, location freeze rules, and how to write inventory accuracy SLAs into your 3PL contract.

2026-10-09

システム選定ラボ · WMS 選定

The Quarantine Cage: Where Good Inventory Goes to Be Forgotten

Most 'lost' inventory is not lost: it sits forgotten in exception locations while the system still shows it as available. How to split quarantine, hold, damaged, and dispute locations, lock them physically and in the WMS, and clear them monthly.

2026-10-08

倉庫運営ノウハウ · 在庫管理・棚卸

One Item, One Code: Serialized Tracking for High-Value Goods, Done Right

The system said 200 phones in stock; the shelf held 199. The missing unit's serial still showed "in stock" — until it surfaced on a secondhand marketplace. This guide covers serialized tracking for high-value goods: the receiving, outbound, and returns gates, four must-have WMS features, and a pilot-first rollout strategy.

2026-10-08

倉庫運営ノウハウ · 在庫管理・棚卸

From 90% to 98%: A 90-Day Plan to Fix Inventory Accuracy

A Fontana e-commerce warehouse sat at 91% accuracy with a pile of stockout complaints. Here's the three-phase, 90-day plan I used to get it to 98% — with clear pass/fail criteria for each phase.

2026-10-06

システム選定ラボ · OMS

Why Your OMS Keeps Breaking Its Delivery Promises: Three ATP Traps

The website says 2-day delivery, but the warehouse can't ship. The problem usually isn't slow pickers — it's that the OMS should never have made that promise. Three real-world ATP traps and how to fix them.

2026-10-06

システム選定ラボ · WMS 選定

Retire the Annual Wall-to-Wall Count: A Field Guide to Configuring ABC Tiers and Cycle-Count Triggers in Your WMS

A field guide to configuring cycle counting in your WMS: dual ABC tiers, three mixed triggers, dollar-based thresholds, count locks, and a three-month dual-track path off the annual count.

2026-10-06

倉庫運営ノウハウ · 在庫管理・棚卸

Returns Receiving Done Right: Keeping Your Inventory Books Honest

Scanning returns straight into sellable stock is the most common bookkeeping disaster in warehousing. This guide covers returns receiving done right: four-grade inspection, physical quarantine separation, WMS status flow with available-to-promise exclusion, dedicated return location coding, plus quarantine backlog control and receiving SLAs — with checklists you can put to work tomorrow.

2026-10-06

システム選定ラボ · OMS

Your OMS Says In Stock, Your WMS Says Empty: Closing the Inventory Sync Gap

The inventory number on your order management screen is always a few minutes old — and that gap is where oversold orders are born. Lao Mi breaks down where the delay comes from and how to contain it.

2026-10-05

倉庫運営ノウハウ · 機能ゾーン計画

Mixing Returns with Regular Stock: The 2,000 Square Feet You "Save" Will Cost You Double in Inventory Accuracy

Here's my verdict up front: mixing your returns area with regular inventory saves rent in the short term and destroys inventory accuracy in the long term. I've seen more than one warehouse where returns were "temporarily" stacked next to the receiving staging area — three years later, that corner had become the number-one source of cycle-count variances across the whole building.

2026-10-05

倉庫運営ノウハウ · 在庫管理・棚卸

Stop Counting Everything the Same Way: ABC Cycle-Count Frequencies That Save Labor

Two years ago I visited an e-commerce warehouse in Fontana — 5,000+ SKUs. The owner complained: full physical inventory once a month, two days of no shipping, and inventory accuracy still stuck at 94%. I asked how he scheduled the counts. The whole building at once, whichever zone was free. That's the problem, I told him — you're counting slow movers that barely budge once a month with the same frequency as SKUs shipping hundreds of units a day. No wonder the team is exhausted.

2026-10-04

倉庫運営ノウハウ · 在庫管理・棚卸

Top 5 Root Causes of Cycle Count Variance: It's the Books, Not Missing Product

A 2019 wall-to-wall count at an Ontario 3PL came up 380+ SKUs short. Three weeks of digging showed less than 10% was actually lost. Lao Mi breaks down the five real causes — un-putaway receipts, location labels, returns, UOM conversions, counting method — with fixes for each, plus cycle counting and triple locks for high-value SKUs.

2026-10-03

ニュース（1）

出典：Logistics Viewpoints

RFID Creates Value Only When Physical Reads Become Trusted Business Events

A new Logistics Viewpoints analysis argues RFID generates little enterprise value when it only produces more raw reads — value appears when physical observations become trusted business events that update operational state, such as received, inducted, or located. Raw reads need filtering, deduplication, sequencing, and contextualization, often at the edge, and tag identity must resolve consistently across WMS, ERP, and TMS. The takeaway: design RFID programs backward from the operational problem — inventory accuracy, receiving speed, cycle counting, asset tracking, or shipping verification — treating physical conditions, edge logic, identity, integration, and economics as one system.

2026-10-10#rfid#warehouse-automation#inventory-accuracy

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