Wenzhou Shanghai Precision Mold Technology Co., Ltd.'s punch Pins are made of high-speed steel such as SKD11/SKH51, completing blanking and Punching in one step, easily handling the high-paced "Stamping" process; their high wear resistance results in neater edges and fewer burrs on "Stamped Products," enabling stable mass production of mobile phone frames, car mounts, and battery cases.

Wenzhou Shanghai Precision Mold Technology Co., Ltd.

We have a million stock.

Hexagon Punch Pin

Spline Punch Pin

12-Spline Punch Pin

Contacts：Qiu Zhongke   +86-16757777775

Address：No. 20 Binhai Road, Wenzhou Economic and Technological Development Zone, Zhejiang Province

In Wenzhou, a city renowned for its vibrant private economy, the precision mold industry, like the city's industrial nerve center, extends meticulously and resiliently into every corner of modern manufacturing. Here, there is a company specializing in core components of Stamping Dies—Wenzhou Shanghai Precision Mold Technology Co., Ltd. Their various stamping pins, though seemingly insignificant, play a crucial role in the rhythm of high-speed stamping production. These gleaming, cylindrical metal components, like the coordinate origin within the mold, ensure that each stamping precisely replicates the designed contours.

Stamping pins, a somewhat technical term in mold terminology, actually encompass a variety of precision cylindrical parts with diverse functions. In the company's workshop, you'll see a variety of pin parts: precision positioning pins for fixing the relative positions of the upper and lower dies, relying on micron-level dimensional matching to ensure absolute alignment when the die closes; floating pins that play a crucial role in progressive dies, these spring-loaded or pneumatically operated pins gently lift the metal strip during stamping, protecting the material surface from scratches and ensuring smooth feeding; and guide pins that direct the strip's direction, acting like loyal track guardians, ensuring the high-speed metal strip always follows its predetermined path. These parts may seem simple—nothing more than a precision-machined metal cylinder—but their dimensional accuracy, surface finish, and material hardness directly determine the efficiency and product quality of stamping production.

Wenzhou Shanghai Precision Mold Technology has an almost obsessive pursuit of excellence in manufacturing stamping pins. They understand that under the intense vibrations and immense stamping pressure of high-speed presses, ordinary cylindrical pins quickly wear and deform, leading to die positioning inaccuracies and product dimensional drift. Therefore, the company is meticulous in its material selection, using high-quality alloy tool steel or high-speed steel. Vacuum heat treatment imparts extremely high hardness and wear resistance to these metal bars while maintaining sufficient toughness to resist impact. In the machining process, precision centerless grinding ensures that the cylindricity of each pin reaches an extremely high level, while CNC turning or wire EDM is responsible for machining the chamfers, grooves, or irregularly shaped heads at the pin ends. These intricate structural designs allow the pins to be securely installed in the die holder or easily disassembled and replaced when necessary.

In actual production, the value of these stamped pins is often realized in the high-speed, continuous stamping process. Imagine a high-speed press operating at a frequency of hundreds of times per minute, with the metal strip flowing through the die like water. Every stamping position needs to be precisely repeated, with errors controlled to within a fraction of the diameter of a human hair. The precision positioning pins provided by Wenzhou Shanghai Precision Mold Technology act like an unchanging coordinate system for the mold, ensuring the relative position of the upper and lower dies remains perfectly stable even after millions of openings and closings. Their floating pins gently lift the material strip after each stamping, preventing indentations from rigid contact and creating conditions for precise feeding in the next cycle. These seemingly static small parts actually safeguard dynamic balance during high-speed operation.

From progressive dies for household appliance housings to precision stamping for automotive connector terminals, and continuous production lines for metal shielding covers in electronic products, Wenzhou Shanghai Precision Mold Technology's stamping pins are widely used in various sheet metal forming scenarios. The company not only provides standard-sized in-stock products but also excels at customizing non-standard pins based on customers' specific Mold structures—whether it's long pins requiring special surface coatings to reduce friction, floating pins with precision threads on the head for height adjustment, or irregularly shaped pins requiring flat surfaces to avoid interference with other structures, they can all be achieved through precision machining.

In Wenzhou's vast mold industry chain, this company has established itself through its focus on a niche market. They don't pursue grand narratives of complete machine equipment; instead, they willingly play a supporting role, pouring their craftsmanship into the minutiae of each stamping die. When those heat-treated silver cylinders are installed into the dies and begin their mission with the roar of the press, they transform into silent guardians, steadfastly holding their positions amidst countless impacts and vibrations, ensuring that every stamped part perfectly embodies the design intent. This is perhaps the profound charm of the precision die industry—infusing the most basic parts with a dedication to precision, ensuring that every stamping is built on a foundation of reliable positioning.