Kilauan rendah bermakna permukaannya gelap dan kusam, dan ketelusan produk telus rendah. Terdapat banyak sebab untuk kilauan yang lemah. Kecacatan gloss permukaan produk am boleh dibahagikan kepada tiga jenis berikut: kegagalan acuan plastik, keadaan acuan yang tidak betul, penggunaan bahan mentah yang tidak betul.
Kegagalan acuan suntikan
Kerana permukaan bahagian plastik adalah pembiakan permukaan rongga acuan acuan plastik, if the surface of the plastic mold has scratches, kakisan, micropores and other defects, it will be copied on the surface of the plastic parts, producing bad luster. If the surface of the cavity is oily and moist, the surface of the plastic part will be dark. Oleh itu, the cavity surface of plastic mould should have good finish. The surface of die cavity must be kept clean and oil and water stains should be removed in time. The type and amount of release agent should be appropriate.
The temperature of plastic mold also has a great influence on the surface quality of plastic parts. Secara amnya, different types of plastics have different surface gloss under different temperature conditions, and the injection mold temperature cannot be too high or too low, which may lead to poor gloss.
Sebagai tambahan, the plastic mold demoulding slope is too small, the section thickness is abrupt, the rib is too thick, the gate and runner section are too small, the shear effect of gating system is too large, and the plastic mold exhaust is poor, dan lain-lain., all of these will affect the surface quality of plastic parts, resulting in poor surface gloss.
Improper use of raw materials
Raw materials not meeting the requirements will also lead to poor surface gloss of plastic parts.
Sebab: the moisture content in the molding material is too high, and the volatile components condense in the cavity wall of the plastic mold and in the molding process, resulting in poor surface gloss of plastic parts. Treatment: raw materials should be dried in advance.
Discoloration of raw materials or colorants results in poor gloss. High temperature resistant materials and colorants should be used.
The fluidity of raw materials is too poor, and the surface of plastic parts is not compact and glossy. Change the resin with better fluidity or add proper amount of lubricant and increase the processing temperature.
If the magazine is mixed with raw materials, new materials shall be replaced in time.
Improper molding conditions
If the injection speed is too fast or too slow, the injection pressure is too low, masa pegangan terlalu singkat, the supercharger pressure is not enough, the nozzle hole is too small or the temperature is too low, the dispersion of fiber reinforced plastics is too poor, the cylinder temperature is too low, the melt plasticization is not good, and the supply is insufficient, all these conditions can lead to poor surface gloss of plastic parts. For the causes should be specific analysis of the specific reasons, dan kemudian buat pelarasan yang sepadan.
Mengenai JasonMould Industrial Company Limited
Jasonmould adalah Pembuat acuan China dari acuan plastik- acuan suntikan, acuan pemutus mati, acuan plastik, acuan putaran, perubatan pengacuan suntikan plastik, dua pukulan pengacuan suntikan plastik, masukkan acuan, terlalu banyak, pengacuan suntikan logam, pengacuan suntikan mikro, pengacuan suntikan serbuk, pengacuan suntikan seramik, pengacuan suntikan cecair, acuan suntikan husky, acuan isi rumah, acuan pemutus, alat acuan mati, acuan khas, acuan cina, perkakas prototaip pantas, perkakas prototaip plastik, perkakas penebuk, mati dan perkakas untuk bahagian telefon bimbit / telefon bimbit, bahagian automotif, pembersih vakum, alat yang boleh dicas semula, telefon, mesin penyalin, komputer, pembesar suara multimedia, dan banyak produk elektronik dan perkakas rumah yang lain. Dan juga pengeluar produk plastik, pengeluar acuan China- bahagian plastik, tangki air plastik, bola plastik, bekas plastik, gesper plastik, sauh plastik, penyangkut plastik, sudu plastik, pemasangan paip plastik, plastik jatuh, pinggan mangkuk plastik, cawan plastik, botol plastik, dulang plastik, bekas kosmetik plastik, sarung plastik, bekas makanan plastik, kerusi plastik, penutup plastik, penutup penutup plastik, tiub plastik, paip air plastik, tombol plastik, tiub plastik, kotak utiliti plastik, rak plastik dan sebagainya.
Hubungi:
Orang: James Yuan
Syarikat: JasonMould Industrial 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/
