Mitutoyo Japan Sanfeng Three Claw Digital Aperture Micrometer

Mitutoyo Japan Sanfeng Three Claw Digital Aperture Micrometer：

Accurate Inner Diameter Measurement Tool: Deep Analysis of Sanfeng Three Claw Digital Aperture Micrometer Technology

In the field of precision manufacturing for inner diameter inspection, Sanfeng's three jaw digital aperture micrometer from Japan has two core product lines, the 468 series and 368 series,
With an innovative structure centered on three points, upgraded digital functions, and strong adaptability to working conditions, it has become a benchmark measurement tool for industries such as automotive, aerospace, and mold manufacturing.
This type of product breaks the limitations of traditional two-point measurement that is prone to offset, deeply integrating mechanical precision with digital intelligence. It not only ensures micrometer level measurement accuracy, but also greatly improves the efficiency of complex aperture measurement, adapting to diverse measurement needs from small through holes to large deep holes.

Core technology: Dual breakthrough of three-point centering and precision structure

The three claw structure is the technical core of this series of products, with three measuring claws evenly distributed at 120 degrees, which can automatically locate the center of the measured hole during measurement,
Avoiding measurement errors caused by tool tilting and tactile deviation from the root cause. The measuring surface of the 468 series is treated with titanium coating, which not only improves wear resistance and impact resistance,
It can also reduce the friction loss with the workpiece surface during measurement; The economic version of the 368 series uses hard tool steel to create measuring claws, reducing usage costs while ensuring the same accuracy as titanium coated models.

In terms of precision control, both series have demonstrated excellent performance. The 468 series covers a measurement range of 6-300mm with a resolution of 0.001mm,

The accuracy of small range models can reach ± 2 μ m, and the accuracy of large range models from 225-300mm is stable at ± 5 μ m; The 368 series covers a measurement range of 3-300mm, with some models achieving an accuracy of ± 0.003mm,
Repeated measurement stability. Specially targeting the pain points of blind hole and deep hole measurement, the product design can directly reach the bottom of the blind hole, equipped with optional extension rods, and can easily complete deep hole inner diameter detection, solving the problem of limited measurement range of traditional measuring tools.

Digital Upgrade: Intelligent Empowerment of Efficient Operations and Data Management

The deep optimization of digital display function significantly reduces the operating threshold of this series.
The 468 series is equipped with a 7.4mm high character large LCD display screen, which provides clear and intuitive readings, effectively avoiding reading errors caused by visual fatigue.
Built in ABS and INC measurement modes, supporting metric to imperial conversion, equipped with 2-point preset function to store multiple measured values of environmental gauges, greatly reducing the preparation time before batch measurement.
A single SR44 button battery can support 1.2 years of continuous use, coupled with an automatic power switch function, further reducing battery loss and replacement frequency.

The upgrade of data management and protection performance is adapted to the modern industrial quality inspection requirements. The product has data output function, which can be input through a dedicated cable or USB input tool,
Real time transmission of measurement data to Excel spreadsheets or SPC statistical process control systems can provide accurate data support for production quality traceability. The locking function can prevent unexpected changes in the reference point during measurement,
The IP65 protection level can resist the splashing of cutting fluid and dust erosion in the workshop, ensuring measurement stability under harsh working conditions. In addition, functions such as low voltage prompts and error warnings further reduce the probability of operational errors and improve the reliability of the measurement process.

Multi adaptability: Industrial measurement solutions covering all scenarios

This series, with its rich range of models and flexible configurations, is suitable for the precision measurement needs of multiple industries. In the automotive industry, it can be used for high-precision detection of engine cylinder block bearing seats and piston inner holes,
Ensure the assembly accuracy of power components; In the field of mold manufacturing, we can accurately measure the inner diameter dimensions of mold cavities and guide holes, assisting in the control of mold forming accuracy.
In the aerospace field, for the measurement needs of small and deep holes in precision components, models such as 468-170 with extension rods can stably complete aperture detection with ranges of 50-63mm.

At the same time, the series of products provide diversified options to expand their usage scenarios. In addition to different specifications of extension rods, it also comes with accessories such as 1-2 meter connecting cables and USB direct connection tools,
Meet the data transmission needs of different workstations; The optional calibration ring rules ensure the accuracy calibration requirements during long-term use. Whether it's novice operators or quality inspectors,
With its automatic centering and intuitive reading functions, it can obtain highly consistent and reliable measurement results, becoming a core tool for controlling inner diameter dimensional tolerances in the field of precision manufacturing.

Mitutoyo Japan Sanfeng Three Claw Digital Aperture Micrometer