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Automated Small-Parts Warehouse: systems, benefits and applications

An automated small parts warehouse stores containers, cartons or trays in a space-saving manner and automatically retrieves the required items for order picking. This reduces walking distances, increases storage density, minimises picking errors and ensures a controlled flow of goods. The most suitable solution depends primarily on the product range, throughput and stock levels, as well as the available space.

How does an automated small parts warehouse work?

An automated small parts warehouse handles the storage and retrieval of containers, cartons or trays. Warehouse management software controls stock levels and transmits orders to the system controller. During storage, the conveyor system transports the load carrier to the designated handover position in the storage aisle. A storage and retrieval machine or shuttle takes over and stores it in the racking system. For retrieval, the system automatically retrieves the required item. The conveyor system then transports the container to the picking station.

The goods-to-person principle reduces manual movement and ensures a predictable flow of materials. The specific implementation depends on the system chosen. For high access rates and short lead times, for example, shuttle systems or autonomous warehouse robots may be suitable.

Load handling attachments

Drawing or gripping technology, Combination telescopic forks

Loading devices

Totes, Bins, Cardboard Boxes, Trays

When is an automated small parts warehouse a worthwhile investment?

An automated small parts warehouse is particularly worthwhile when large numbers of small parts need to be stored in a limited space and frequently retrieved. High access rates, short retrieval times and increasing quality requirements for order picking all indicate that automation is the right choice. However, it is not simply the number of items that is decisive. 

Other factors influencing the choice include stock levels, turnover, throughput, container sizes, available floor space and the desired process capacity. A distinction is also made between a warehouse integrated into an existing building and a silo warehouse, where the building structure is carried by the steel racking. Labour costs also play a role. If staff have to cover long distances during manual order picking, the potential for savings with an automated system is significant, as goods are delivered directly to the workstation. When making an investment decision, companies should therefore consider both current material flow and expected growth. A well-planned system creates capacity reserves without making the facility unnecessarily large.

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  • Racking storage system
  • Bin storage system
  • Walking beam conveyor
  • Drawer system
  • Compact warehouse
  • Tray warehouse

Which system is best suited to your small parts warehouse?

Stacker cranes, shuttle systems and autonomous warehouse robots differ in terms of throughput, storage density, flexibility and scalability.

  • Automated storage and retrieval cranes (AS/RS) are suitable for high storage capacities and targeted access to individual containers. They serve the storage locations within an aisle and are suitable for moderate throughput.  Multiple aisles are interconnected via conveyor systems.
  • Multi-level shuttles such as KlinCAT® fall within the performance range between stacker cranes and shuttle systems. A shuttle serves several storage levels. Several shuttles can be arranged one above the other. These are connected via vertical lifts. References: Göpfert, Walther Frischdienst, Winker
  • Shuttle systems really show their strengths with high throughput and compact storage. For very high throughput rates, each storage level has its own shuttle; for moderate throughput rates, the shuttles are staggered between the levels. References: Kuehne+Nagel, TTI, X-Kom
  • Autonomous mobile warehouse robots (AMR), such as those from Exotec, offer a flexible alternative when high space utilisation and phased expansion are required. Skypod robots deliver containers directly from the storage area to the workstation. References: Kuehne+Nagel, Bestseller
  • AGVs are driverless transport systems that can flexibly move goods from one location to another at low throughput rates.

The most suitable solution therefore depends on factors such as product structure, access frequency, throughput, stock levels and available space. A material flow analysis provides the basis for making this selection.

Klinkhammer - Consulting also for the following topics:

  • Fire protection: Sprinkler systems, oxygen reduction
  • Lighting systems, Air conditioning
  • Roof and wall panelling

Full service for your challenge in the small-parts warehouse

We at Klinkhammer look back with pride on more than 50 years of experience with storage systems of all kind. This high expertise is our greatest strength which we are happy to apply for your tasks. We will provide you with tailor-made, customized all-round packages which leave nothing to be desired. Call us, we will be glad to advise you.

 

What technical differences must be considered when comparing different small parts warehouses?

Conventional miniload with AS/RS

  • Approx. 80-120 totes/h per aisle
  • Construction height up to 25 m
  • Available in silo construction
  • Single or double deep storage
  • Suitable as deep-freeze storage
  • Optional energy recovery systems

KlinCAT® Multi-level-shuttle

  • Approx. 80-120 totes/h per shuttle
  • Shuttles can be stacked on top of each other
  • Lifting height up to 1,7 m (Max. 9 storage levels per shuttle)
  • Aisles are connected with a lift
  • Double deep storage is possible

Captive One-level-shuttle

  • Up to 1.200 totes/h per aisle (High Performance)
  • Up to 150 m in length, 30 m in height
  • Lifts with single- or double-cycle
  • Head-end or central connection
  • Available in silo construction
  • Suitable as deep-freeze storage

Saving energy for the storage and retrieval system with Super Caps

Energy can be saved in the stacker crane used in an automated small parts warehouse or high-bay pallet warehouse through the use of Super Caps. The braking energy generated by the stacker crane is fed directly back into the system. SuperCaps act as the energy storage medium. This sustainable technology enables the operator to save up to 40 per cent in energy, as the energy requirements of the stacker cranes are significantly reduced. Power peaks in the supply network can be absorbed and mitigated by the energy storage systems. As a result, infrastructure such as cables, UPS units, transformers and fuses can be designed to be smaller, thereby offering potential for further savings.

What are the benefits of an automated small parts warehouse?

An automated container storage system increases storage density and reduces the distances involved in order fulfilment. The specific benefits depend on the system’s design and the requirements of the business.

  • High storage density: Containers can be stored in limited space, saving room.
  • Faster order picking: The system delivers the required items directly to the order-picking station.
  • Fewer manual movements: Staff do not need to go to individual storage locations.
  • High process reliability: Automated storage and retrieval reduce the need for manual intervention.
  • Better use of space: The available height can be utilised for additional storage locations.
  • Scalable performance: Depending on the system, capacity and throughput can be adapted to requirements.
  • Greater stock transparency: Each container is managed by the system and uniquely assigned to a storage location. This makes it easier to track stock levels and stock movements, reduces search times and allows replenishment processes to be planned more reliably.

A small-parts warehouse therefore does more than just improve storage. It integrates stock management, t3://page?uid=124conveyor technology and order picking into a seamless process.

What role do software and conveyor technology play?

An automated small-parts warehouse only achieves its full potential through the interplay of warehouse technology, conveyor systems and software. The individual components must be coordinated so that put-away, retrieval and order picking can take place without unnecessary waiting times. The KlinkWARE warehouse management system manages stock levels and storage locations. The system control unit implements the orders technically and coordinates storage and retrieval machines, shuttle systems and conveyor technology. For order picking, the software determines which container is to be made available and when. This creates a seamless flow of goods between the warehouse, the staging area and downstream processes. When planning, therefore, consideration should be given not only to the warehouse system but to the entire process chain. Interfaces with existing IT systems and plant equipment also play an important role.

For which applications is an automated small parts warehouse suitable?

An automated small parts warehouse is suitable for companies that store and regularly dispatch a wide variety of items within a limited space. Typical areas of application include manufacturing, the food retail sector, e-commerce, and spare parts and distribution logistics. In manufacturing, for example, an automated small parts warehouse supplies assembly or production areas. In distribution, it facilitates rapid order picking and prepares items for dispatch accurately and reliably.

How much does an automated small parts warehouse cost?

The cost of an automated small-parts warehouse depends heavily on factors such as storage and retrieval capacity, the number of bin or tray storage locations, the number of aisles, storage technology (stacker cranes, shuttles or autonomous mobile robots), whether the system is built-in or a silo warehouse, the number and design of picking stations, and integration with production and dispatch. In addition, automatic carton erector machines, carton sealers, the automated application of dispatch labels or fully automated order picking using piece-picking robots can increase the investment costs. Solutions for automated small-parts warehouses using stacker cranes as integrated storage systems within an existing hall often range from €1.5 million to €5 million, whilst high-performance systems with shuttles or autonomous mobile robots frequently start at €3 million and, depending on size and configuration, can incur investment costs of over €10 million.

How can an automated small parts warehouse be expanded?

An automated small-parts warehouse should not merely meet current requirements. Rising order volumes, additional items or changes to processes can increase demands on capacity and throughput. When planning, expansion options should therefore be taken into account from the outset. Depending on the system, additional storage locations, containers, shuttle vehicles, warehouse robots or further picking stations can be integrated. The software must also be able to scale up. New storage areas and changed processes require suitable interfaces and flexible control systems. For existing systems, retrofitting is also an option. Modernised control systems, software or individual components extend the service life and bring the system up to the latest technical standards.

Klinkhammer’s automated small parts warehouse

Klinkhammer does not design automated small-parts warehouses according to a fixed standard system, but rather on the basis of the specific material flow. As a manufacturer-neutral system integrator, the company combines suitable warehousing technology, conveyor technology, control systems and software. Klinkhammer supports the entire project, from logistics planning and material flow control through to project planning, commissioning and Service24. In-house software solutions support warehouse management and system control. Existing systems can also be further developed. Through retrofitting and modernisation, companies can adapt existing technology to new performance requirements without having to replace the entire system.

FAQ – Do you have any questions? We are happy to answer.

  • What is a small-parts warehouse?
    An automated small parts warehouse stores small items in containers, boxes or trays and retrieves them automatically. It is particularly suitable for businesses with a large number of items and frequent stock movements.
  • What is the difference between a manual and an automated small-parts warehouse?ts?
    In a manual small parts warehouse, staff remove items from the shelves and take them to the picking station. An automated small parts warehouse transports the storage containers to the workstation via conveyor systems and carries out both storage and retrieval operations under system control. This reduces walking distances and ensures process reliability even with high access rates. Working conditions in manual warehouses are particularly challenging, especially in deep-freeze warehouses at around minus 22°C.
  • What is the structural design of an automated small-parts warehouse?
    An automated small-parts warehouse consists of high racks, one or more narrow aisles and an integrated conveyor system. In each aisle, a storage and retrieval machine usually travels along rails and accesses storage locations across the entire height of the racks. Transfer points connect the racking system to goods-in, order picking and dispatch. Shuttle systems distribute vehicles across several levels and require a different racking structure.
  • What access times and throughput rates can an automated small parts warehouse achieve?
    Depending on the system, an automated small parts warehouse retrieves containers within a few seconds to a few minutes. A single storage and retrieval machine achieves roughly 50 to 120 double cycles per hour, depending on aisle length, height and load cycle. Shuttle systems increase the overall throughput to several hundred container movements per hour using multiple vehicles. Binding performance figures can only be determined based on the item profile, order structure and number of picking stations.
  • What software is required for an automated small parts warehouse?
    An automated warehouse requires software for warehouse management and system control. It coordinates stock levels, storage locations and material flows. The software thus ensures seamless coordination between warehouse technology, conveyor systems and the connected systems.
  • Can a small-parts warehouse be expanded later?
    Yes, as long as the system has been designed accordingly. Depending on the system, additional storage locations, shuttle vehicles, conveyor systems or picking stations can be integrated. Autonomous warehouse robots are particularly flexible, as no rigid conveyor systems are required. The warehouse management and system control must also be designed to accommodate the expansion.
  • How does an automated small parts warehouse remain operational during faults ?
    The availability of an automated small-parts warehouse is enhanced by redundancies, preventive maintenance and clear procedures for dealing with faults. Multiple redundant aisles, shuttle vehicles or warehouse robots prevent a single component from bringing the entire operation to a standstill. The system visualisation system reports faults at an early stage and documents stock movements.
  • Which is better, a stacker crane or a shuttle system?
    This depends on throughput, warehouse layout, access frequency and capacity requirements. There is no one-size-fits-all recommendation. The choice of system should be based on an analysis of the specific material flow.
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