MiniTec Aluminum Profiles – How to Choose the Right Profile for Your Structure

MiniTec aluminium profiles – how to choose the right profile for your structure?

From simple workbenches to advanced industrial machines – discover the benefits of the MiniTec modular aluminium profile system and the differences between Series 30 and Series 45.

Aluminium profiles have become an essential part of modern industry. Their low weight, high strength, corrosion resistance and easy assembly make them an excellent alternative to conventional welded steel structures. With the MiniTec modular aluminium profile system, we can build virtually anything – from a simple workbench to a complex automated production line. But how do you choose the right aluminium profile? When should you use Series 30, and when is the more robust Series 45 the better choice?

Why choose a modular aluminium profile system?

When designing industrial structures, strength, load capacity and stability are not the only factors that matter. Assembly speed, the ability to make subsequent modifications and manufacturing costs are also becoming increasingly important.

This is where the benefits of the MiniTec modular system really stand out.

Key benefits:

• Easy assembly: connect profiles without welding or complex machining.
• Modularity: structures can be expanded, modified or upgraded at any time.
• Low weight: aluminium enables lightweight yet stable structures.
• Corrosion resistance: the anodised surface provides good protection in industrial environments.
• Reusability: profiles and connecting components can be reused in new projects.
• Attractive appearance: clean, professional structures without additional painting.

A distinctive feature of the MiniTec system is its patented connection technology using the Power-lock fastener, which allows profiles to be joined with simple tools, without pre-drilling or milling. Simply screw in the fastener, insert it into the slot and tighten – fast, strong and waste-free.

Series 30 or Series 45 – which should you choose?

MiniTec offers several series of aluminium profiles, with Series 30 and Series 45 being the most widely used. Although both are based on the same modular principle and feature an 8 mm slot, they differ primarily in dimensions, load capacity and structural rigidity.

Series 30 – lightweight, flexible and economical

Series 30 is an excellent choice for structures where the aim is to reduce weight, simplify assembly and optimise costs. Its compact dimensions make it particularly suitable for smaller structures that are not subjected to high mechanical loads.

Typical applications:

• Shelves and tool holders
• Light-duty safety fencing
• Laboratory structures
• Small bases and supports
• Prototype and test equipment
• Structures for research institutions

When should you choose Series 30?

When low weight, fast assembly, flexibility and cost efficiency are important, and the structure does not require a high load capacity.

Series 45 – a robust solution for industrial loads

Series 45 is designed for demanding industrial applications where high load capacity, rigidity and long-term structural stability are essential. The larger profile cross-section provides greater resistance to bending and torsional loads, making this series suitable for larger structures and equipment exposed to vibration.

Typical applications:

• Industrial machine frames
• Robotic cells and automated lines
• Conveyor systems
• Industrial safety fencing
• Larger assembly structures
• Support structures for production equipment

When should you choose Series 45?

When the structure carries heavier loads, is exposed to vibration or must provide high stability during continuous industrial operation.

Comparison of Series 30 and Series 45

The actual load capacity depends on the selected profile cross-section, length, mounting arrangement and type of load.

Can Series 30 and Series 45 be combined?

Yes – and this is one of the greatest advantages of the MiniTec modular system. Since both series use the same slot width, they can be combined in a single structure using suitable connecting components.

Imagine an industrial workstation:

• The lower load-bearing frame is made from robust Series 45 profiles.
• The shelves and tool holders are made from lighter Series 30 profiles.

This combination allows you to optimise weight, material usage and costs without unnecessarily increasing the dimensions of the entire structure.

Where are MiniTec aluminium profiles used?

Thanks to their versatility, aluminium profiles can be used in almost every industrial sector.

1. Automation and machine building

Machine frames, robotic cells, assembly lines and conveyor systems require precise, stable and adaptable structures.

2. Ergonomic workstations

Workbenches, assembly stations and laboratory equipment can be adapted to the user's specific needs. The modular system makes it easy to add shelves, lighting, tool holders and other accessories.

3. Safety fencing and protective structures

Aluminium profiles enable the construction of modular safety fencing, doors and protective structures around machines and production lines.

4. Conveying and logistics

Conveyors, support structures and logistics systems are often built using aluminium profiles, as they make it easy to adapt production layouts.

5. The pharmaceutical industry and laboratories

Modular structures can be adapted to specific production processes, laboratory equipment and technical requirements.

6. Development, research and education

Research institutions and universities use aluminium profiles for prototypes, test equipment and development projects. A major advantage is the ability to dismantle structures and reuse the components.

Smart design with iCAD Assembler

Before building a structure, it is important to check its dimensions, stability and the suitability of the selected profiles.

MiniTec offers the iCAD Assembler software tool, which enables the design of modular structures and the selection of suitable profiles and connecting components. Digital design helps reduce the risk of errors, optimise material usage and shorten the time from concept to assembly.

The most expensive profile is not always the best choice

When selecting aluminium profiles, a common misconception is that a larger, more robust profile is always the better solution. In reality, an oversized structure can lead to unnecessary increases in weight and costs.

On the other hand, using profiles that are too small can cause excessive deflection, vibration and reduced stability.

The right solution is therefore an optimal combination of dimensions, load capacity, rigidity and costs.

With the MiniTec modular system, we can select the right profile for each part of the structure, achieving the best balance between functionality and cost efficiency.

MiniTec – from individual profiles to complete solutions

At MiniTec, we offer more than just aluminium profiles and connecting components: we also provide complete industrial automation solutions. Using our modular system, we develop workstations, conveyor systems, protective structures, production lines and robotic cells.

Whether you need a few metres of aluminium profile or a complex industrial structure, we help you find the optimal solution in both technical and economic terms.

Planning a new structure or upgrading your existing production facilities?

Contact the MiniTec team. Together, we will select the right profiles, connecting components and a solution tailored to your project.