Deep rolling of high-strength bolt
Task
Achievement of fatigue strength
Solution
Deep rolling of thread undercut with EF45 tool in the same clamping directly after turning
User benefits
- Reduction of product costs by about 25
- Fulfilment of safety standards
- Achievement of fatigue strength
Details
- Workpiece: High-strength bolt
- Part of: Landing gear
- Material: Steel
- Tensile strength: 1400 N/mm2
- Hardness: 48 HRC
Parameter
- Tool: EF45
- Circumferential speed: 20 m/min
- Feed rate: 0,1 mm/rev.
- Rolling force: 8 kN (multilevel)
Download Application Example High-strength bolt
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ECOROLL AG - Deep rolling of thread undercut of high-strength bolt Reduction of production costs by about 25%