Manufacturer of mold processing, how to improve the stability of plastic molds?
In the practical production of plastic molds, challenges often arise that prevent meeting product or technical requirements, leading to abnormal production line shutdowns and instability. Therefore, enhancing mold stability is a crucial issue for mold manufacturing enterprises.
1. Experience and technical expertise of designers play a critical role in the mold design and manufacturing process.
The reasonableness of the design needs confirmation through trial molds, which require multiple trials and revisions to achieve completion. Once molds are put into production, various issues may arise, causing production line disruptions and instability. Therefore, enhancing mold stability is a pressing issue for mold manufacturing enterprises.
2. Stability can be categorized into process stability and production stability.
Process stability refers to the ability of stable process design to meet the production of qualified products; production stability refers to stable production capabilities during the production process. Let’s explore the main factors affecting the stability of plastic molds and stamping. These factors include: usage of mold materials; strength requirements of mold structural components; stability of stamping material functions; fluctuation characteristics of material thickness; range of material variations; magnitude of tensile reinforcement resistance; range of edge pressure force variations; choice of lubricant.
3. In the stamping process, each stamping plate material has its unique chemical composition, mechanical functions, and closely related characteristics to stamping operations.
The instability of stamping material functions, material thickness variations, and material changes not only directly impact the precision and quality of stamping processing but can also lead to mold damage. For instance, tensile reinforcement plays a crucial role in stamping. In the stretching process, products require a certain level of tension and appropriate distribution of tension along fixed edges, originating from the force of stamping equipment, deformation resistance of edge materials, and active resistance on the edge pressure ring.
4. If only relying on edge pressure force, the friction between the mold and material is insufficient.
It is necessary to set tensile reinforcements on the edge pressure ring to generate significant resistance, increase feed resistance, induce substantial plastic deformation of the material, meeting the material’s plastic deformation and activity requirements. By adjusting the magnitude and distribution of tensile reinforcement resistance, control the speed and feed amount of material activity into the plastic mold, effectively regulate the tension and distribution within various deformation areas of the stretched part, avoiding quality issues like cracking, wrinkling, and deformation during stretching.