191
Extension springs
In order to maintain the stated tolerated
measurements we need to carry out production
compensation with either the pre-stress (F0) or
the mean coil diameter (D).
The calculation and design of the extension
springs is carried out in accordance with EN
specification 13906, section 2. DIN 2097 Grade II
is taken as the basic standard for the tolerances.
Extension springs are tested for compliance to
the tolerated loads and measurements before
they are approved and reach the production
warehouse. The tests take place in our quality
control department according to DIN ISO 2859-1
level II. The procedure normally consists of a
simple spot check programme, test-level AQL=
1.0. Specific tests can also be carried out and
documented for each individual spring upon the
customer's request.
The following charges apply for the quality control
certificates issued by us.
In compilance with:
DIN EN 10204-2.1
for free
DIN EN 10204-2.2
EUR 15,34
DIN EN 10204-3.1B
EUR 30,68
Please contatct our Quality Assurance
department with any questions you may have
about testing and quality assurance.
Phone 0049 (0)35877 227-11, Fax -14
Production compensation
Calculation
Quality control
