A pallet logistics system is not one machine. It is an operating system made of racking, pallet-handling robots, vertical lifts, conveyors, scanning points, and the software that coordinates every movement. Buyers who choose on shuttle price alone tend to miss the factors that decide uptime, throughput, and total cost over the system’s life.
This guide breaks the purchase into five layers: operational requirements, storage architecture, software capability, safety and lifecycle cost, and supplier delivery risk. Work through them in order, and the final quotation becomes far easier to compare.

Layer 1: Define Throughput, Pallet Spec, and Operating Rhythm
Before comparing automation types, quantify how the system must perform under normal and peak conditions. Five inputs should be recorded before a vendor meeting.
- Pallet footprint and maximum gross weight
- Inbound and outbound pallet rate in pallets per hour
- Active SKU count and required storage depth
- Temperature, humidity, dust, or cleanroom constraints
- Building clear height, column grid, and floor flatness
These variables determine whether a four-way shuttle, a stacker crane, or a mixed architecture fits the site. For example, a 四方向シャトル rated for 1,200 kg is not a safe choice for a facility handling 1,400 kg loads. The R-bot 四方向シャトル family illustrates why model selection matters: standard models support 1,200 kg, Japanese and heavy-duty models support 1,500 kg, and the large-pallet model supports 2,000 kg. Body height also varies from 125 mm to 150 mm, which changes rack beam clearance and usable storage height.
Throughput is not simply travel speed. It is the full cycle from inbound pallet identification to storage confirmation, plus the system’s ability to absorb a peak wave without starving outbound picking. A layout that works at 60 pallets per hour may fail at 90 pallets per hour if vertical transport or workstation buffering becomes the bottleneck.
Before comparing shuttle models, buyers need a clear throughput and pallet profile. <Smart Storage Revolution: Comprehensive Overview of フォーウェイシャトルシステムs for Automatic 3D Warehouses> covers the system-level design choices that define storage density and daily throughput.

Layer 2: Match the Storage Architecture to the SKU Profile
The next layer is architecture selection. High-SKU warehouses do not behave like low-SKU raw-material stores. A configuration that maximizes density may reduce access flexibility, and a highly flexible configuration may sacrifice capacity.
| Architecture | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | Key Trade-Off |
|---|---|---|
| Block stacking | Low SKU, slow-moving, budget-constrained | Low cubic utilization and limited access |
| Drive-in rack | Homogeneous SKUs with first-in-last-out flow | Deep lanes limit picking selectivity |
| Semi-automated パレットシャトルシステム | Deep-lane storage with medium throughput | Lane change still requires forklift support |
| ASRS スタッカークレーン | High-rise, fixed-aisle, high-throughput | High vertical use but lower routing flexibility |
| 四方シャトル | Medium-to-high SKU, multi-depth, variable routes | Requires stronger software orchestration |
The decision normally follows from order lines, SKU depth per day, and building geometry. If most pallets move as full-pallet in and full-pallet out, dense lane storage works well. If the operation needs mixed-case access or frequent partial-pallet retrieval, a more flexible shuttle or U-bot narrow-aisle configuration may be justified.
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limitscURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limitscURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits PTPスマート倉庫ソフトウェア cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limitsPTPインテリジェント倉庫ソフトウェアは、企業のスマートアップグレードを支援しますcURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits [email protected] cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits (+86)-19941778955:
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
- Active SKU count and required storage depth
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
よくある質問
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
Compare scope, not headline price. Normalize quotations by racking layout, shuttle count, lift count, software modules, safety compliance, civil work assumptions, training, spare parts, and post-installation service.
参考文献
- ISO 3691-4:2020, Industrial trucks — Safety requirements and verification — Part 4: Driverless industrial trucks and their systems.
- EN 528:2008, Rail dependent storage and retrieval equipment — Safety requirements.
興味があれば、これらの関連記事もご覧ください:
PTPインテリジェント倉庫ソフトウェアは、企業のスマートアップグレードを支援します
六方向シャトルが倉庫のアップグレードを推進し、インテリジェントな自動3D倉庫を構築


