Description
VDI 2230 defines step by step the calculation of a bolted joint: stiffnesses, load factor, preload losses due to embedding, tightening torque and checks of the bolt and the surfaces.
What it includes
- Bolt and plate stiffness
- Minimum and maximum preload, tightening torque
- Yield, fatigue and slip check
- Bearing pressure under head and nut
- Calculation report
What we need from you
- Joint drawing
- External loads (axial, transverse, moments)
- Bolt grade, materials, lubrication
Data is sent after the order confirmation, by email or with a sharing link. On request we sign a non-disclosure agreement before receiving the files.
What you receive
Not included
- Joints with more than one bolt type (quoted separately)
These activities can be added with a dedicated quote.
How ordering works
- Request the pricePress «Get the price», choose the options and send the request: it is free and puts you under no obligation.
- Receive the priceWe send you the price of the service and the delivery time by e-mail, with the options you chose.
- Payment and dataYou pay by bank transfer and send the input data: the delivery days start from here.
- DeliveryYou receive the report in PDF and the agreed files, with an electronic invoice.
FAQ
Is the price really fixed?
Yes, for the scope described on this page: the price stated in the offer, plus VAT, including the options you selected. If the data you send show work that differs from the standard one, we tell you before starting and you decide whether to go ahead with a dedicated quotation or to cancel at no cost.
How do I pay?
By advance bank transfer, on the basis of the offer you receive after the price request. Work starts when the payment and the input data have been received.
When will I receive the work?
Within 4 working days of receiving payment and all the required data; with the urgent option the time is halved.
Can I order as a private individual?
Yes. The offer also states the price including VAT, and as a consumer you have the right to withdraw within 14 days under the terms of sale.