As industries demand increasingly complex plastic parts with functional threads, unscrewing molds have become essential for ensuring precision, durability, and efficiency. We sat down with Denny Ling, GM of VHP Tooling, to learn how the company is meeting this challenge and supporting global customers.
Q: Unscrewing molds are highly specialized. Why are they so important in today’s manufacturing?
A: Threaded plastic components are everywhere — from bottle caps and medical connectors to automotive parts and consumer products. Unlike standard molds, these parts cannot simply be ejected with pins or strippers. Unscrewing molds use mechanical or motor-driven systems to rotate the threaded core and release the part without damage. This ensures dimensional accuracy, consistent thread quality, and smooth production cycles.
Q: How does VHP Tooling approach the design of unscrewing molds?
A: Our design process always starts with the customer’s product requirements — thread specifications, tolerances, and material behavior. From there, we engineer the most suitable unscrewing mechanism, whether it’s a rack-and-pinion system, hydraulic drive, or servo motor. Each solution is optimized for production volume, cycle time, and durability. We also focus heavily on cooling design, torque control, and replaceable inserts to extend mold life and simplify maintenance.
Q: What industries benefit most from your unscrewing molds?
A: We serve a wide range of sectors. In consumer goods, we supply molds for closures, caps, and dispensers. In medical applications, we develop precision-threaded parts such as syringe components. And in automotive, our molds support threaded connectors, knobs, and functional assemblies. Wherever accuracy and reliability are critical, unscrewing molds play a vital role.
Q: What makes VHP Tooling stand out in this field?
A: Two things: precision and service. Our in-house team combines advanced CNC and EDM machining with strict quality inspection, ensuring every mold meets international standards. At the same time, we partner closely with customers, offering design-for-manufacturability reviews and after-sales support. Our goal is not just to deliver a mold, but to help our clients succeed in mass production.
Q: What’s next for VHP Tooling?
A: We’re investing in automation and digital simulation tools to further improve efficiency and predictability. As product designs get more complex, we see unscrewing molds becoming even more important. VHP Tooling is committed to being at the forefront of that innovation.
About VHP Tooling
VHP Tooling is a professional mold manufacturer specializing in precision injection molds, including unscrewing molds, 2-shot molds, and high-performance tooling for automotive, medical, electronics, and consumer industries. With a strong focus on innovation, quality, and customer partnership, VHP Tooling helps global companies bring complex designs to life.
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