UR-NA d.o.o.
Spring Manufacturer
Nicina 10, 2391 Prevalje, Slovenia
+386 2 620 73 20
info@ur-na.si
SPRING & COMPONENT ANALYSIS
Fatigue Testing
Validate the cycle life your springs will see in service
Load & Torque Testing
Testing for springs and non-spring components
Materials Testing
Check the quality of your raw material
Check the quality of your raw material
Testing Services >
PROFESSIONAL TRAINING
View Our Courses
Learn spring design, materials and failure
Browse the Calendar
Pick a date to fit your schedule
Frequently Asked Questions
Everything you need to know about our courses
Tailored Training >
SPRING CALCULATOR SOFTWARE
Get an Overview
What is Spring Calculator Professional
Explore the Features
How Spring Calculator Professional can help you
Get a Quotation
Get flexible software and payment options
Get a Free Trial >
TALK TO US
About Us
Who we are and what are our values
Get in Touch
Ask us a question, or how to find us
Quick Contact +44 (0)114 276 0771
Read the Blog >
SUPPORTING YOUR BUSINESS
Search Our Membership
Find suppliers of springs, wire and machinery
Become an IST Member
The benefits and support for your company
What Can I Get Involved In?
View our latest member R&D projects and events
My Members’ Area >
INFORMATION & EXPERTISE
Research & Development
Learn about our active research projects
Spring Wiki
Search definitions, terminology and more
Standards
Find out about involvement in BS, EN and ISO standards
HOW CAN WE HELP TODAY?
Shot Peening
Spring & Component Shot Peening
Professional Consultancy
Confidential and impartial investigations
COMMON PROBLEMS
I need support with a spring design
Finding a spring manufacturer