{"id":11145,"date":"2024-04-23T09:48:24","date_gmt":"2024-04-23T07:48:24","guid":{"rendered":"https:\/\/blog.federnshop.com\/tension-spring-tolerances\/"},"modified":"2024-05-03T11:25:47","modified_gmt":"2024-05-03T09:25:47","slug":"tension-spring-tolerances","status":"publish","type":"post","link":"https:\/\/blog.federnshop.com\/en\/tension-spring-tolerances\/","title":{"rendered":"Tension spring tolerances"},"content":{"rendered":"

\"TheoreticalThe tolerances for tension springs<\/a> are defined in accordance with DIN 2097 (DIN EN 15800). Quality grade 1 describes the smallest tolerance zone (higher product price) and quality grade 3 the largest tolerance zone. Our tension springs are manufactured to grade 2 (medium tolerance range) as standard.<\/p>\n

For tension springs, the coil diameter [D, De], the untensioned length [L0], the spring forces<\/a> [F1, F2] as well as the eyelet position and the eyelet protrusion are tolerated. DIN 2097 provides tolerance specifications in tabular form (see below) for the coil diameter, the untensioned length and the eyelet protrusion. The tolerance values for the spring forces [F1, F2] and the eyelet position are calculated on the basis of coulter diagrams. The tolerance calculation can be carried out using the Gutekunst spring calculation program<\/a>.<\/p>\n

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