Lesjöfors AB

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Lesjöfors is a global manufacturer of springs, wire and flat strip components. Its range is comprehensive and includes both standard products and customized components. Lesjöfors is the largest spring company in the Nordic region and a leader in Europe. Its technical service and sales are strong competitive advantages, as are its low-cost manufacturing and worldwide delivery capacity. Its operations are divided into two business areas: Chassis Springs and Industry.

Lesjöfors manufactures customized springs for essentially the entire industrial sector. When it comes to meeting various customer requirements, the company’s problem-solving ability and expertise in everything from design and material selection to design solutions and cost-efficient manufacturing are key competitive advantages.

Customer requirements – the technical sales organization identifies the customer’s need for springs, including how much pressure and movement the spring can handle, where it is to be positioned and what the surrounding environment looks like, such as working temperature, whether it is a corrosive environment in which the spring could rust or if there is something else that could affect performance.

Design proposal – using a calculation program, an initial design proposal is prepared, in which basic design issues are presented, including how the spring is to be dimensioned and the material it is to be made of.

Prototype/testing – when the design has been approved, prototypes are developed and tested. The goal is to test the function of the spring and, for example, ensure that its movements match the requirements. It is the customer who tests the function, while Lesjöfors often helps by estimating its lifetime.

Serial delivery/Manufacturing – once the prototype has passed the testing requirements, a complete design is prepared for serial delivery/manufacturing. This design contains information on tolerances and other technical properties, any surface treatment and labeling, requirements in terms of cleanliness and other documentation relevant for production preparation and the operators who are subsequently responsible for production.

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Ola Tengroth, President of Lesjöfors.