Stumpp+Schüle
Lesjöfors
deutschenglish

Our competence in production

Our production competence in the segment spring technology is based on over 75 years of experience in the production of compression springs, punching and bending parts.

Compression spring production

Our competence in production covers the entire range of compression spring production: Winding, annealing, grinding, inside and outside chamfering, shot peening, glass peening, roto finishing, hot-setting, demagnetization, 100 % force tests, surface coatings, preservation, special packaging, endurance tests, residual dirt analyses, etc.

Multislide production

Our production competence in the production of punching and bending elements does not only include the production of parts, but also the production of customized production tools. We produce the parts in our company only on multislide machines made by Bihler. We have more than 35 machines of various sizes available. Any additional processes that may become necessary can be carried out in our own company (annealing, hardening, shot peening, roto finishing, surface coating, preservation, residual dirt analyses, packaging etc.).

Stamping production (Follow-up tools)

When producing stamping parts, our production competence begins with the dimensioning of the stamping dies. We produce single, double, and multiple follow-up tools. For this purpose, we have a plant with a selection of stamping machine ranges from 60 tons to 315 tons. Our stamping machines have a maximum size of up to 2,000mm. We can take care of any additional work that may become necessary in-house. (Annealing, hardening, shot peening, roto finishing, surface coating, preservation, residual dirt analyses, packaging, etc.).

Hardening processes

The hardening process is carried out in our own facility. We have several types of hardening equipment available. Our hardening is a bainitic hardening. Each component is assigned its own individual hardening formula. In this context, the parts are fed either as bulk or stock-oriented. Our production competence also includes the appropriate hardness tests and microstructure analyses.

Parts cleaning residual dirt analysis

To comply with the residual dirt requirements, we preserve and package in a special clean room. In addition to production, we offer the option of carrying out standard residual dirt analyses in our own company laboratory.

 

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