Blog | Welser Profiles

Custom Sections for Cabin Construction | Welser Profile

Written by Daniel Halbartschlager | Feb 25, 2025

The cabin is an essential feature found in all types of vehicles. Cabins provide protection, comfort, and insulation against external factors such as weather, dust, and noise. They’re often soundproofed and air-conditioned to create a pleasant working environment. They also incorporate modern communication and control systems for efficient machine operation. Given these demanding features, it’s clear that professional cabin construction requires more than just assembling parts. It requires precision, technical innovation and profound specialist knowledge, starting with the development of high-quality custom steel profiles for steel cabin construction. With clever profile design, OEM and cabin manufacturers can significantly streamline production and keep down the costs that come with further processing.   

In this article, I’d like to offer you an insight into the diverse world of cabin construction and explain how roll-formed custom profiles enable the development and optimization of steel cross-sections ideal for cabin construction. Learn about the most important areas of application and the diverse challenges associated with the production of stable and functional cabins, from the perspective of a manufacturer of custom profiles. Let’s begin with the basics.

Introduction to Cabin Construction

Cabin construction plays a central role in the design and manufacture of vehicles and machines. Whether it’s forklifts, tractors or construction machinery, the cabin is the space that keeps the operator safe and comfortable while using the vehicle or machine. The main tasks of cabin construction can be divided into several important areas: safety, comfort, functionality, materials and design, and compliance with defined standards.

Safety

Safety is an essential part of cabin construction. A stable structure protects the occupants in the event of an accident, while safety features such as airbags, seat belts and crumple zones provide additional protection. The construction must withstand heavy loads and ensure reliable protection in emergency situations.

Comfort

Cabin comfort is key to user satisfaction. An ergonomic design ensures that the occupants sit in a comfortable position and the driver has easy access to all controls. Air conditioning systems regulate the temperature and humidity, while soundproofing measures help to minimize noise from outside.

Functionality

The design of the cabin must meet the specific requirements of the vehicle or machine and, of course, those of the cabin manufacturer. In commercial vehicles, for example, controls must be positioned ergonomically and intuitively to enable safe and efficient operation. Fields of vision and the arrangement of instruments also play an important role in the functionality of the cabin.

Materials and the Manufacturing Process

Selecting the appropriate materials and production processes is another key aspect of cabin manufacturing.

The versatility of steel and the precision of the roll-forming process are used to achieve an optimal balance between stability and weight. As an added bonus, this process also helps to reduce energy consumption.

Technology

The integration of advanced technology into the cabin helps to improve efficiency and safety. Digital systems such as navigation and infotainment systems, as well as assistance functions such as automatic emergency braking or lane-keeping assistants increase safety and comfort for the occupants.

Standards

International and national standards regulate the requirements for material quality, safety features and environmental compatibility. Meeting these standards ensures that the cabins are not only safe and functional, but are also produced as environmentally friendly and sustainably as possible.

Important Aspects in the Production of Custom Profiles for Cabin Construction

Complex custom steel profiles are used in cabin construction, and roll forming both enables the necessary precision, and a significant cost reduction for the cabin manufacturer down the line. Roll forming produces light but stable profiles that are crucial for the safety and functionality of the cabins. Nevertheless, the following aspects in particular must be taken into account with this manufacturing process in cabin construction. 

Aspect #1: Material Selection

  • Material Quality: When manufacturing bespoke profiles for cabin construction, different steel grades, including high-strength steels, can be used depending on the requirements.


  • Material Thickness: The thickness of the material needs to meet the structural requirements of the cabin construction and should be selected appropriately. For example, with higher-strength raw materials, you can get away with less thickness, thus saving weight.

 

Aspect #2: Design and Construction

Profile Geometry: Custom profiles should be designed in such a way that they meet the structural requirements of the cabin whilst taking the manufacturing efficiency into account.

  • Tolerances: Tight tolerances are necessary to ensure that the parts fit precisely and can be assembled efficiently. This can help with further processing by enabling the use of welding robots in the production line, for example.

  • Connections and Fastening Methods: The custom profiles for cabin construction must be designed so that they can be easily connected. Consider fastening methods such as welding, riveting or screwing.

 

Aspect #3: Manufacturing

  • Tooling: The tools must be precise and adapted to the respective profile geometry. High-quality tools reduce wear and ensure consistent quality.

  • Machine Settings: The machine parameters must be set correctly to ensure consistent quality. This includes rolling speed, pressure and temperature control.

  • Process Monitoring: Continuous monitoring and adjustment of the process are necessary to ensure the quality of the custom profiles produced for cabin construction.

 

Aspect #4: Quality Control

  • Checking the Profiles: Regular quality checks, including dimensional checks, surface inspections and mechanical tests, are necessary.

  • Defect Detection: Identification and correction of production defects such as deformations, cracks or surface defects.

  • Documentation: All quality tests and controls should be documented to enable traceability and quality assurance for the cabin manufacturer.

 

Aspect #5: Logistics und Storage

  • Packaging: The packaging of the special profiles should protect against mechanical damage and contain information relevant for further handling. In addition, reusable packaging is a good choice to help reduce your carbon footprint

  • Storage: Suitable conditions for storing the special profiles used in cabin construction must be ensured to prevent corrosion.

 

Aspect #6: Environmental and Safety Aspects

  • Safety Regulations: Compliance with all relevant safety regulations and protective measures for operating personnel.

  • Environmental Regulations: Compliance with environmental regulations, particularly with regard to the handling of lubricants and waste.

 

By carefully considering these points when selecting a competent provider of roll-formed profiles,  you can ensure that your cross-sections meet the high standards required in cabin construction, offering a long service life and high functionality.

How Welser Profile Supports Cabin Construction with Tailor-Made Custom Profiles

When it comes to cabin construction, Welser Profile's expertise lies in producing the optimal custom profile based on the respective requirements. The issue here is not the cabin itself but rather the development and precise design of the required cross-sections, including special shapes and bending radii. To this end, Welser Profile works with renowned OEM manufacturers such as AGCO as well as with professional cabin manufacturers in the construction and agriculture market segments and in commercial vehicle production.

Both customer groups benefit from maximum flexibility. Whether for large scale series production with long development cycles and planning requirements or for timely solutions for short-term development - each customer chooses the level of finalization according to their individual needs:

  •  A straight cross-section, excluding necessary post-processing steps such as bending, welding or cutting. 

  • A completely ready-to-install welded assembly that the customer can install straight into his cabin.


Finally, I’d like to highlight a special feature:  
In cabin construction, there are numerous norms and standards that specify dimensions and other technical specifications of profile cross-sections in detail. Tooling for cabin construction is, therefore, unlike other roll-forming tooling, not tied to a specific customer. OEM and cabin manufacturers benefit twice from working with an industry-experienced roll former like Welser Profile. They use their partner's comprehensive know-how and ensure rapid and cost-effective production of special profiles for cabin construction thanks to tooling that is tailored exclusively for them. 

Conclusion: Quality Cabin Construction Starts with the Right Custom Profile 

Cabin construction is more complex than it may appear at first glance. A holistic approach is needed to guarantee suitable, high-quality cross-sections that ensure the stability and functionality of a cabin. This ranges from the planning of the custom profile, to production, storage, and timely delivery. The sooner cabin manufacturers bring an experienced roll former on board, the better they can ensure the best product quality at the lowest possible development and production cost.

Are you ready for more efficiency and better quality in cabin construction? Then get in touch! Our experts will be on hand to provide you with advice and support in every phase of the project.