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1. Ketahanan pakai
Semasa ubah bentuk plastik kosong dalam rongga acuan, kosong mengalir dan menggelongsor di sepanjang permukaan rongga die, menyebabkan geseran antara permukaan rongga die dan kosong. Oleh itu, rintangan haus bahan adalah salah satu sifat yang paling asas dan penting bagi die.
The main factor affecting the wear resistance is hardness. Secara amnya, the higher the hardness of injection mold parts, the less the wear, dan lebih baik rintangan hausnya.
2. Kekuatan dan ketangguhan
Most of the research on working environment conditions of dies are very bad, and some of them often bear shock loads with large capacity, which can lead to brittle fracture. In order to prevent sudden brittle fracture of die design parts during operation, the die shall have relatively high strength and toughness.
Keliatan acuan bergantung pada kandungan karbon, saiz butiran dan struktur mikro bahan.
3. Prestasi patah keletihan
In the development process of die design, under the long-term influence of cyclic stress, students can often lead to fatigue fracture. Its forms are small energy through repeated impact fatigue fracture, patah keletihan tegangan, patah keletihan sentuhan dan patah keletihan lentur.
The development of the research on the fatigue fracture system of the die mainly depends on its strength, kekuatan, kekerasan, and the content of inclusions in the material.
4. Prestasi suhu tinggi
When the working temperature of the injection mold is high, the strength and hardness will decrease, resulting in wear and deformation. Oleh itu, a certain degree of anti tempering stability is required.
5. Rintangan keletihan sejuk dan panas
Some molds are repeatedly heated and cooled during processing, which causes the cavity surface to be pulled and the pressure changes the stress, causing surface cracking and peeling, meningkatkan geseran, hindering plastic deformation, reducing dimensional accuracy, and leading to mold failure. Cold and hot fatigue is one of the main failure forms of hot working dies, which should have high cold and hot fatigue resistance.
6. Rintangan kakisan
Some injection molds will appear strong corrosive gas after being heated, which will erode the surface of the mold cavity, increase its surface roughness and intensify wear. Oleh itu, certain corrosion resistance is required.
ia mungkin terjejas selepas memasang rod condong, Ltd.
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Hubungi:
Orang: James Yuan
Syarikat: Huizhou Dj Molding Company Limited
Tambah: Kampung LongGang,Bandar LongXi,Daerah BoLuo,Bandar HuiZhou,Wilayah GuangDong, China
Tel: 86-752-6682869
E-mel: [email protected]
Tapak: https://www.jasonmolding.com/custom-injection-molding/
