Totech

Dry Tower

Dry Tower, Automated SMD Storage System

Dry Tower offers multiple possibilities to reduce costs, maximize productivity and improve process security. The key is to create a concept that perfectly fits your needs. The Dry Tower system has a modular design. Using standard modules, proven drying and storage technology on top of years of project experience, we are able to create a highly efficient, time saving and profitable materials storage and handling project for each of our clients. Investment in a Dry Tower system can help you not only reduced your storage area -up to 80%- but also helps you to optimize many other storage related processes. Dry Tower MSL software ensures that the appropriate material is available at the right time, in the right quantity, at the right set-up location.

The main benefits of Dry Tower 

  • 75% space saving compared to conventional shelves
  • Reduced staff engagement times
  • Maximum volume consolidation in the warehouse shorter lead times
  • Maximum automation level
  • Perfect documentation
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Storage Modules

Unlimited Storage thanks to the modular design

Each Dry Tower Modules comes with a maximum surface area of 2.2 m² and – depending on its height and the size of stored packages – can hold up to 125 drawers with a total utilizable storage area of 210 m². For each Module, this means 5,250 reels* if stored individually or 10,375 reels* in the case of twin-storage.

  • Stores up to 4000 reels per m2
  • Optimised utilisation of height, depth and width due to the modular design
  • Fast access to all components
  • Volume optimised storage
  • Extendable by combining any number of Storage Modules
  • Drawer layouts can be customized

*refers to reels of 7″ in diameter and maximum 15 mm height

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5-axle Gripper System

Gentle component transportation

The gripper systems are driven by low-noise and low-maintenance servomotors and move simultaneously within a 5-axis system. Vacuum grippers transport component packages
like reels, trays or boxes quickly and safely. Maximum loads of up to 3 kilos are possible.

  • 99% of all component reels can be handled
  • Short access time
  • Safe and gentle transportation
  • Reels, trays and other unopened packages can be moved

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Safe Storage and Climate Controle

Always the perfect Storage Conditions

Our U-7000 series Drying Unit guarantees controlled humidity values less than 5% RH. When moisture-sensitive components are stored in the unit, the processing time sequence as well as the humidity absorption is automatically stopped. Any possible oxidation of sensitive metal surfaces of components is prevented by electrolyte deprivation. Combined with a 40 °C or 60 °C heater, the entire storage system, or  just a separate area within it, can be tempered. Any expired MSL components can be gently re-dried at the right temperature.

  • Permanent re-drying of components according to JEDEC standard
  • Fast re-drying thanks to minimum relative humidity
  • Optional heating (up to 60˚C) accelerates  drying process
  • Oxidation processes are prevented

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Bespoke Dry Storage Solutions but built with standard modules and components!

"The key is to create a concept that perfectly fits your needs. Using standard modules and our years of project experience, we are able to create a highly efficient, time saving and profitable materials storage and handling project for each of our clients."

Dry Tower Projects

Totech

Dry Tower Project at Zollner

The problem at Zollner was the huge amount of components that were stored manually on shelving and subsequent total shortage of storage space. The time spent finding required components wasn’t practical and growth was no longer possible. They had two possible options: a volume-optimizing storage system or the construction of a new manufacturing hall. They opted for the automated component storage solution from Totech – Dry Tower. The investment in Dry Tower not only reduced the storage area by 80%, but also optimized many processes. The Dry Tower software ensures that the appropriate material is available at the right time, in the right quantity, at the right set-up location. Through the integration with the ERP software, the customer always has an overview of the inventory and the status of the MSL Floor Lifetime. The success of the Dry Tower project at Altenmarkt, Germany, has led to Zollner installing a further Dry Tower solution at their plant in Hungary.
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Dry Tower Project at SICK AG

Before the introduction of Dry Tower, 13,000 reels were distributed and stored on 5 paternoster racks. These then had to be manually retrieved, sorted and brought to the set-up point. At the end of production, all reels had to be sorted first by paternoster and then by moisture level. The moisture-sensitive parts had to be sealed in vacuum packaging. About 4000 storage and retrieval steps were needed every day. After moving into a larger production hall in Reute, Germany, Dry Tower was used to simplify the processes considerably and to reduce the error rate. Today, the reels are placed in and retrieved automatically. They are labelled with their respective feeder table designation, moved to the set-up stations and can be added to the line. The part used reels are returned to the containers. This is transferred semi-automatically to a driverless transport system, which fully automatically takes it back to the storage system. Approximately 90% of all reels required in SMD production are stored in the Dry Tower and retrieved and placed back into storage without any waiting time. Since the Dry Tower was installed, the storage and retrieval processes have been drastically reduced and search and waiting times minimised. The high level of expansion that Sick has experienced could thus be handled without the need for additional personnel and employees can now devote more time to value-adding activities.
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Dry Tower Project at Smyczek

With 18 SMD lines and a storage area of over 3700m², German electronics manufacturer Smyczek keeps 180,000 component reels on site. Following huge growth over the past few years, the material logistics in their SMD production facility has been automated, step by step. In the latest project, all opened reels and the most frequently required full reels are stored in the Dry Tower, which means that about 80% of the materials required for production are handled by the automated Dry Tower system. After unloading, the reels are simply stacked on a trolley and fed into the Dry Tower. The logging and storage process is fully automated from this point. For the retrieval of the reels Totech has developed a completely new and unique solution: The reels are stacked in an upright container. This ensures that when a batch is retrieved, each reel is easily accessed by the operator. This prototype is currently still unique but should be ready for series production in the near future
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Dry Tower Project at Prodrive Technologies

Prodrive Technologies is working in a dynamic industry and producing over a thousand different products every year required the company to have flexible automation. During the whole process there is real time insight of component locations and production process status. Using real time information to prepare future production batches not only gives a huge productivity increase, it also helps reduce product lead times and increases flexibility. Over a 1.000 different products can be handled by the same automated processes. Installation of Dry Tower is one of the automated processes that are helping to make the company successful. The margin of error is being eliminated by a real time control of the MES and ERP. By continuously investing in intelligent automation and productivity, the setup of this process is a perfect example of how to build the factory of the future.  
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Dry Tower Project at HS Elektronik

A Collins Aerospace company with more than one hundred employees, HS Elektronik Systeme is an electronics technology specialist with over thirty years of experience in the aerospace industry. Located in Nördlingen, Germany, HS has become a world market leader. Its products currently include Solid State Power Modules (SSPC) and Remote Power Distribution Units (RPDU). SSPCs are programmable, maintenance-free, pluggable modules for electrical power distribution. They are used in various areas of an aircraft to save space and cover DC or AC applications together with digital and analog inputs for discrete data acquisition and processing. RPDUs contain multiple SSPCs and can be deployed remotely at individual points on the aircraft.² At the Nördlingen site, a competitor’s automated system had already been in use for several years. When the warehouse was to be connected to a material management software, an evaluation process of other systems available on the market began. Dry Tower was finally selected as the system of choice on account of Totech’s vast automated dry storage experience, especially in the implementation of interfaces to higher-level systems.
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Dry Tower Project at Birkholz

The challenge at Birkholz was how to manage the fast changeover between components. Great amounts of time were being lost through manual handling. With the Dry Tower, Birkholz now have an easy and fast way to access the required components for any given production run.
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