Mitutoyo Japan Sanfeng Three Claw Rapid Aperture Micrometer

Mitutoyo Japan Sanfeng Three Claw Rapid Aperture Micrometer：

Accurate and efficient dual: in-depth analysis of Sanfeng three claw fast aperture micrometer technology

In the field of precision inner hole measurement, Sanfeng's three jaw rapid aperture micrometer from Japan relies on its unique three jaw centering structure and rapid measurement mechanism,
Becoming the core testing equipment for industries such as automobile manufacturing, aerospace, and precision molds. Its 368 series mechanical models, 468 series digital display models, and 568 series rapid aperture gauges are among its products,
Through mechanical innovation and digital upgrading, the pain points of difficult positioning, complex readings, and low efficiency in traditional aperture measurement have been solved, while also taking into account measurement accuracy and adaptability to working conditions, redefining the professional standards for inner hole detection.

Core Structural Innovation: Breakthrough in Centering Accuracy and Measurement Efficiency

The core technical highlight of this series is the 120 ° evenly distributed three jaw measurement structure, which fundamentally solves the problem of traditional two jaw measurement deviating from the inner hole axis.
The three measuring claws are symmetrically distributed, and during measurement, they can automatically adhere to the hole wall and locate the center of the inner hole, directly measuring the true diameter of the inner hole instead of the chord length, eliminating the systematic error caused by operator's tactile deviation.
The material of the measuring claw is designed according to different needs, and some economical models of the 368 series use hard tool steel, which has outstanding cost-effectiveness; The model is equipped with titanium coated hard alloy measuring claws, which have both wear resistance and impact resistance, and can maintain measurement accuracy even when in long-term contact with high-strength metal workpieces.

The optimization of the rapid measurement mechanism greatly improves operational efficiency. The mechanical model is equipped with a ratchet locking constant force device, which can maintain a constant force during rotation, avoiding deformation of the workpiece or measuring claw caused by excessive force,
It also ensures the consistency of repeated measurements. For digital display models such as 468 series, with the help of lever operation principle, the measuring claw has a rapid telescopic response, and with the ABS origin function, it is unnecessary to adjust the top note zero every time,
Measurement can be completed with just one press, especially suitable for batch workpiece detection scenarios. In addition, the entire series can be equipped with optional extension rods to easily achieve deep hole measurement. Some models can also be tested close to the bottom of blind holes, breaking the measurement limitations of traditional measuring tools on hole depth.

Digital Upgrade: Advanced Functionality of Digital Display Series

The 468 series digital display model, as a representative of technological upgrades, integrates digital advantages into precision measurement.
It is equipped with a 7.4mm high character large LCD display screen, with clear and intuitive readings, bidding farewell to the fatigue and error of mechanical scale readings.
This series not only supports one click conversion between metric and imperial units, but also has practical functions such as data retention and zero calibration. It also has a built-in low voltage and calculation error warning system to promptly remind operators to avoid abnormal situations.
A single button battery can support about 1.2 years of normal use, meeting the long-term continuous operation needs of the workshop.

The data interconnection capability further adapts to modern intelligent manufacturing processes. The digital display model can output measurement data to the SPC statistical process control system, and can also convert it into keyboard signals through interface tools and directly input them into spreadsheets such as Excel,
Realize real-time traceability and batch analysis of measurement data, providing data support for production quality control. At the same time, its protection level reaches IP65, which can resist the splashing of cutting fluid and dust erosion in the workshop, and can operate stably even under harsh working conditions, extending the service life of the equipment.

Full scene adaptation: Multiple series covering diverse measurement needs

The Sanfeng three jaw fast aperture micrometer covers a wide measurement range of 12-300mm through multiple series layouts.
As a popular main product, the 368 series has a division value of 0.005mm, a precision of ± 2 μ m for models with a range of 12-16mm, and a precision of ± 3 μ m for models with a range of 20-25mm. It is suitable for daily testing in conventional mechanical processing.
The resolution of the 468 series digital display has been increased to 0.001mm, making it the preferred tool for measuring high-precision components such as aerospace engine cylinders and precision bearing seats. The 568 series focuses on fast detection and is designed specifically for high-frequency quality inspection scenarios on assembly lines, balancing the requirements of detection speed and accuracy.

From bearing hole inspection of automotive parts, to precise calibration of mold cavities, and to deep hole measurement of aviation parts, Sanfeng Three Claw Rapid Aperture Micrometer innovates its structure
Functional segmentation and stable performance have become measurements in the field of precision manufacturing. It is not only a single measuring tool, but also a key node connecting production and quality inspection, providing reliable technical support for quality control in various industries.

Mitutoyo Japan Sanfeng Three Claw Rapid Aperture Micrometer