The basic structure of
China thread rolling dies manufacturers dies is a pair of thread forming surfaces. They are made of hard material like steel and iron, and can be used to roll threads on a variety of blank types. The dies can also be designed to condition the blank while rolling the threads on it, thereby ensuring uniform threads.
Thread rolling dies are made of heat-treated tool steel. Each form of thread requires a different type of die. Thread dies are normally purchased, rather than made-in-house. They are incredibly useful and are a must-have component for a thread rolling machine. Purchasing the correct die is crucial to the quality of finished products.
Thread rolling dies can be used to make threads of different sizes. Some dies have an axial thrust, while others have no pitch. Through-feed rolling is best used to roll threads on large threaded bars. This method allows for continuous thread rolling without interruptions. Moreover, it allows for the continuous rolling of long threaded pieces.
Thread rolling dies are commonly used in the production of screw threads, with infeed, throughfeed, and plunge feed rolling processes. However, the dies can also be used to roll hollow parts. They allow
wholesale thread rolling dies to achieve high-precision thread class tolerance levels, regardless of the part's material.
When rolling threads, the crest on top is a key difference between the cut and rolled threads. The crest is formed when the material outside the thread die curls inward, and is a visual proof of thread rolling. In addition to the crest, a slightly concave area is visible at the center of the crest. Though this feature isn't critical to the fit of the threaded joint, it is useful as a visual indicator that thread rolling is taking place.
Thread rolling is an important process that forms screw threads by forming them by moving material under high pressure. In most cases, the material is not parallel to the dies, so the skew is responsible for translating the material through the dies. Because of this, rolling dies are designed to control the feed rate of the material as it passes through the dies, which determines the amount of time the material stays inside them and how quickly the thread is formed.
Thread rolling also has several advantages over thread cutting. Thread rolling produces threads with greater hardness and strength, and requires no material removal. Furthermore, unlike cut threads, rolled threads have a higher tension, shear, and fatigue resistance. This makes it the preferred method in high-volume operations.
Another benefit of thread rolling is that it is more cost-effective than thread cutting. The process is fast and efficient, and reduces tooling costs. Compared to cutting, thread rolling requires only one pass, whereas cutting requires 10 or more passes. Thread rolling also produces a smooth surface, making it ideal for safety-critical components.
Material:DC53 M2 M42
Certification:ISO9001:2015
Application:Product screws