Composite wear-resistant coating full-hard screw and injection molding machine

• Main Authors: CHENG XUEQIANG, PAN XUEBING, HUANG MAOJING, JIANG XIAOJUN
• Format: Patent
• Language: Chinese; English
• Published: 05.08.2022
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The utility model discloses a full-hard screw with a composite wear-resistant coating and an injection molding machine, and the full-hard screw with the composite wear-resistant coating comprises a screw main body made of alloy tool steel; the screw rod main body is coated with the wear-resistant coating, the wear-resistant coating contains more than 50% of tungsten carbide, and the thickness of the wear-resistant coating is 0.1 mm-0. 3mm. The wear-resistant coating is coated on the surface of the screw main body, so that the wear resistance of the screw can be effectively improved, the screw is not easy to wear, and the service life is long; and compared with a wear-resistant and corrosion-resistant full-hard powder alloy screw rod, the manufacturing cost is greatly reduced. And moreover, the wear-resistant coating adopts tungsten carbide with higher content, so that even if the thickness of the wear-resistant coating is smaller, the wear-resistant coating also has higher hardness, and a better wear-resistan