A new energy vehicle transmission intermediate shaft cold extrusion forming device and forming method
By processing the intermediate shaft of the transmission of new energy vehicles through cold extrusion forming, and using a conventional hydraulic press to form helical teeth and external splines, the problems of high cost and poor strength in the existing technology are solved, thereby improving production efficiency and strength, and extending service life and safety.
CN122425444APending Publication Date: 2026-07-21TAICANG JIUXIN PRECISION MOLD
View PDF 0 Cites 0 Cited by
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- TAICANG JIUXIN PRECISION MOLD
- Filing Date
- 2025-01-21
- Publication Date
- 2026-07-21
Smart Images
Figure CN122425444A_ABST
Abstract
The application discloses a new energy automobile transmission intermediate shaft cold extrusion forming device and forming method, which comprises the following steps: blank preparation, spheroidizing annealing, drilling, first turning, shot blasting, surface treatment, extruding helical teeth, second turning, shot blasting, surface treatment and extruding outer spline; the ordinary oil press can be used for extruding the helical teeth and the outer spline according to the application, the production efficiency is high, the equipment cost is low, a small machining allowance is reserved on the tooth surface of the helical teeth, the cutting of the metal flow line in the tooth cutting process is avoided, the strength of the tooth part is greatly improved, and the service life and the use safety of the automobile transmission part are improved.
Need to check novelty before this filing date? Find Prior Art