We have approximately 20,000 sets of various second-hand molds in stock, including chair molds, sofa molds, bucket molds, household item molds, storage box molds, conveyor case molds, spoon molds, hair dryer molds, toy car molds, electric fan molds, air conditioner molds, washing machine molds, and many others.
Second hand Vertical Fan Inventory Molds
1. Overview of Second hand Vertical Fan Inventory Molds
In the current market environment, second hand vertical fan inventory molds have certain utilization value. These molds were once used to produce vertical fan products. Although they have gone through a certain service cycle, they still have the potential to be re put into production. For enterprises, rational utilization of second hand molds can effectively reduce production costs and improve resource utilization efficiency. At the same time, in today's era where the concept of environmental protection is increasingly deeply rooted in people's hearts, the reuse of second hand molds also meets the requirements of sustainable development and reduces the generation of waste.
2. Main Parts of the Molds
(1) Molding Parts
Molding parts are the core part of the mold, including the fixed mold and the movable mold. When the fixed mold and the movable mold are in the closed state, they jointly form the cavity of the vertical fan product, determining the shape and dimensional accuracy of the fan product. These parts are usually made of high strength and high wear resistant steel to ensure stable performance during multiple injection molding processes. Although they are second hand molds, if their molding parts are properly maintained, they can still meet the quality requirements of the products.
(2) Gating System Parts
The gating system parts are responsible for injecting the molten plastic raw material into the cavity. They mainly include the sprue, runner, and gate. The sprue is the first channel for the plastic to enter the mold, and its size and shape have an important impact on the flow speed and pressure distribution of the plastic. The runner diverts the plastic to each gate, and the design of the gate is directly related to the filling effect of the plastic and the appearance quality of the product. In second hand molds, the gating system parts may have a certain degree of wear, but they can still be used normally through appropriate cleaning and repair.
(3) Guide Parts
The guide parts are used to ensure the accuracy and stability of the mold during the mold closing and opening processes, mainly including guide pillars and guide bushes. The matching accuracy between the guide pillars and guide bushes directly affects the mold closing accuracy, thereby affecting the product quality. In second hand molds, the guide parts may have wear or scratches, but their guiding function can be restored through replacement or repair.
(4) Ejection Parts
The ejection parts are used to eject the molded product from the mold cavity, mainly including ejector pins, ejector rods, and ejector blocks. The design and layout of the ejection parts are crucial to the ejection effect and quality of the product. In second hand molds, the ejection parts may be deformed or worn, but the smooth ejection of the product can be ensured through adjustment and replacement.
3. Size Specifications of the Molds
The size specifications of second hand vertical fan inventory molds are usually determined according to the model and size of the vertical fan products produced. Generally speaking, the length, width, and height of the mold will be designed according to the size of the product. For example, for larger sized vertical fans, the size of the mold will also increase accordingly to accommodate larger cavities. When using second hand molds, it is necessary to ensure that their size specifications match the production requirements; otherwise, the product size may not meet the requirements, affecting the quality and performance of the product.
4. Suggestions for Mold Use and Maintenance
For second hand vertical fan inventory molds, a comprehensive inspection and evaluation are required before use. First, check whether there are obvious damages to the appearance of the mold, such as cracks and deformations. Second, inspect each part of the mold to ensure its normal function. During use, attention should be paid to the maintenance of the mold. Regularly clean, lubricate, and rust proof the mold to extend its service life. At the same time, strict compliance with operating procedures is required to avoid mold damage due to improper operation.
In short, although second hand vertical fan inventory molds have been used, they can still bring certain economic benefits to enterprises as long as they are rationally utilized and maintained. During use, it is necessary to fully understand the characteristics and performance of the molds and take effective measures for management and maintenance to ensure the normal operation of the molds and the quality of the products.