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CNC Machining and surface finish of Magnesium Alloy Rigid Front Fork for Bicycle

Τα κράματα μαγνησίου είναι γνωστά ως τα ελαφρύτερα δομικά κράματα [1].

Είναι κατασκευασμένα από μαγνήσιο, το ελαφρύτερο δομικό μέταλλο, αναμεμειγμένο με άλλα μεταλλικά στοιχεία για τη βελτίωση των φυσικών ιδιοτήτων. Αυτά τα στοιχεία περιλαμβάνουν μαγγάνιο, αλουμίνιο, ψευδάργυρο, πυρίτιο, χαλκό, ζιρκόνιο και μέταλλα σπάνιων γαιών [2].

Μερικές από τις ευνοϊκές ιδιότητες του μαγνησίου περιλαμβάνουν το χαμηλό ειδικό βάρος και την υψηλή αναλογία αντοχής προς βάρος. Ως αποτέλεσμα, το υλικό προσφέρεται σε μια σειρά εφαρμογών αυτοκινήτων, αεροδιαστημικής, βιομηχανικής, ηλεκτρονικής, βιοϊατρικής και εμπορικής χρήσης

Ιδιότητες και πλεονεκτήματα πλεονεκτήματα   Εφαρμογές

Τα κράματα μαγνησίου καλύπτουν ένα ευρύ φάσμα εφαρμογών, από εφαρμογές αυτοκινήτων και αεροδιαστημικής έως ηλεκτρονικές και βιοϊατρικές χρήσεις.

Δομικές εφαρμογές Η αυτοκινητοβιομηχανία, η αεροδιαστημική, η βιομηχανία και οι εμπορικές εφαρμογές είναι παραδείγματα δομικών εφαρμογών. Το πλεονέκτημα των κραμάτων μαγνησίου που χρησιμοποιούνται σε τέτοιες εφαρμογές είναι το μικρό τους βάρος, η υψηλή αναλογία αντοχής προς βάρος, η υψηλή αναλογία ακαμψίας προς βάρος, η χυτευσιμότητα, η μηχανική επεξεργασία και η μεγάλη απόσβεση [4].

Αυτοκίνητο: βραχίονες στήριξης για φρένα και συμπλέκτη, περίβλημα για κιβώτιο ταχυτήτων

Αεροδιαστημική: τροχοί προσγείωσης, εξαρτήματα ρότορα ελικοπτέρου, περιβλήματα κιβωτίου ταχυτήτων

Βιομηχανικός: μηχανήματα λειτουργίας υψηλής ταχύτητας, όπως μηχανήματα κλωστοϋφαντουργίας

Εμπορικός: αποσκευές, εργαλεία χειρός, περιβλήματα υπολογιστών, σκάλες

Ηλεκτρονικές εφαρμογές Οι ηλεκτρονικές εφαρμογές περιλαμβάνουν ηλεκτρονική συσκευασία, βραχίονες σκληρού δίσκου, κινητά τηλέφωνα και φορητές συσκευές πολυμέσων. Τα κράματα μαγνησίου χρησιμοποιούνται αντί για πλαστικά λόγω του μικρού βάρους, της αντοχής και της αντοχής τους. Είναι επίσης σχετικά καλύτερα για τη διάχυση θερμότητας και την προστασία από ηλεκτρομαγνητικές παρεμβολές και παρεμβολές ραδιοσυχνοτήτων [5].

Ιατρικές εφαρμογές Ο φορητός ιατρικός εξοπλισμός και τα αναπηρικά αμαξίδια που απαιτούν ελαφρύ υλικό κάνουν καλή χρήση των κραμάτων μαγνησίου. Επίσης, τα καρδιαγγειακά στεντ και οι ορθοπεδικές συσκευές είναι πιθανές εφαρμογές ορισμένων κραμάτων μαγνησίου λόγω της βιοσυμβατότητας και της βιοαπορροφητικότητας του μαγνησίου [4].

CNC Machining and surface finish of Magnesium Alloy Rigid Front Fork for Bicycle

What is a bicycle fork? A bicycle fork is the part of the bicycle on which the front wheel is mounted and turned by the handlebars to steer the bicycle. It consists of a steerer tube, crown and fork legs, and a drop for receiving the axle. Magnesium can be used to design bicycle frames that are lighter than aluminum while maintaining high tensile strength and damping capacity. All of this results in a smoother, more efficient ride. Magnesium is also less expensive than popular lightweight materials like carbon fiber.

Magnesium is increasingly chosen by design engineers as the lightweight metal option that retains rigidity and strength needed for structural applications. Magnesium alloy extrusions offer the structural strength benefits of their aluminum counterparts at a 25 to 30 percent weight savings. Lowering weight directly impacts transportation and energy costs, manpower needed for assembly and use, and load requirements for structure supports. Extruded magnesium alloys offer high mechanical strength and performance while being the easiest structural metal to machine, giving manufacturers better ways to design innovative products for highly competitive markets.

 

CNC Machining and surface finish of Magnesium Alloy Rigid Front Fork for Bicycle Products
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