Sanfeng 293 series anti coolant digital micrometer from Japan

Sanfeng 293 series anti coolant digital micrometer from JapanHigh precision measurement tool for harsh industrial environments

In mechanical processing sites, harsh environments such as cutting oil and metal debris often lead to a decrease in precision measurement tool accuracy or damage,
The Sanfeng 293 series anti coolant digital micrometer from Japan, with its IP65 protection level and precise measurement performance, has become the core equipment to solve this pain point.
As an important member of the QuantuMike series, this series integrates multiple technologies such as electromagnetic induction sensing and constant force measurement, and is widely suitable for scenarios such as automotive manufacturing and precision component processing that require high environmental adaptability and measurement accuracy,
The following provides a detailed analysis from the aspects of core technology, key parameters, practical functions, and adaptation scenarios.

1. Protection and structural design: Suitable for harsh working conditions

The advantage of this series is its IP65 waterproof and dustproof performance, which can effectively resist cutting oil, coolant splashes, and metal dust intrusion. It can be directly used at the machine tool processing station without frequent transfer of workpieces.
The body frame is treated with anti slip coating, which can firmly grip even if it is contaminated with oil. The measuring surface is uniformly made of hard alloy material, which has high hardness and wear resistance, avoiding wear and deformation caused by long-term measurement and extending the service life.
Except for the 0-25mm base model, all other range models come standard with standard measuring rods, and the entire series is equipped with customized plastic storage boxes for easy carrying and storage. However, it should be noted that anti-corrosion treatment is still necessary after use in a coolant environment to avoid residual liquid from corroding the components.

2. Core Measurement Performance: Double Breakthrough in Accuracy and Efficiency

In terms of measurement accuracy, this series demonstrates stability. Its resolution is uniformly up to 0.001mm, and the measurement accuracy of models with a range within 75mm can reach ± 1 μ m,
The accuracy of models exceeding 75mm is ± 2 μ m, and the flatness is controlled at 0.3 μ m. The parallelism is optimized according to the range grading, with a parallelism of only 1 μ m within the range of 50mm and 2 μ m within the range of 100mm,
Significantly reduce measurement deviation. In terms of efficiency, the innovation adopts a 2mm/rev coarse thread spindle design, which reduces positioning time by 60% and measurement time by 35% compared to traditional 0.5mm/rev micrometers,
Combined with a ratchet stop and a speed limiter, it can achieve rapid feed when measuring large differences in size, and ensure consistent contact pressure during each measurement with a constant measurement force of 5-10N, avoiding errors caused by human operation.

3. Electronic and control systems: convenient and reliable

This series is equipped with an electromagnetic induction rotation sensor, which not only has a fast measurement response, but also supports measurement modes without the need to frequently reset the origin.
The equipped LCD display screen has clear readings and is equipped with user-friendly operation buttons, which can achieve functions such as metric to imperial conversion and data retention. The power supply is powered by one SR44 silver oxide button battery,
The battery life of different sub models varies slightly, with the basic model lasting about 1.2 years and the upgraded model up to 2.4 years. It also has an automatic power on/off function, which automatically shuts off after 20 minutes of idle time, effectively extending the battery life.
In addition, the function lock design can prevent accidental tampering of the original or zero points during the measurement process, while the low voltage and calculation error warning functions can prevent invalid measurements in advance.

4. Rich models and expansion capabilities: adapted to diverse needs

The series covers multiple range models, with metric models ranging from 0-25mm, 25-50mm to 300-500mm, and corresponding item numbers such as 293-140 (0-25mm), 293-582 (300-325mm), etc,
Provide both imperial and metric universal models to meet production standards in different regions. In terms of extended functionality, models with SPC data output can transmit data to the statistical process control system through dedicated connection lines (such as 05CZA662, 04AZB512, etc.)
Support integration with MeasurLink measurement network to achieve real-time monitoring and data traceability of production quality. Some models also have tolerance judgment and calibration reminder functions, which can automatically determine whether the measured value is within the preset range and prompt the calibration cycle, reducing human negligence.

5. Practical details and adaptation scenarios

This series is designed to meet practical needs in terms of details, such as the data retention function that can freeze display screen values, making it easy to record measurement results that are difficult to directly view at the workstation;
The quality control of the body is reasonable, and the 25mm range model is only 270g, with no pressure when operated with one hand. In terms of application scenarios, basic models such as 293-230-30 are suitable for measuring small precision parts;
Large stroke models such as MDC-500MB (475-500mm) can be adapted for testing large mechanical components; The design of the hard alloy measuring surface can also maintain stable accuracy in measuring rough machined parts.
Paired with the USB input tool or wireless transmission module in the options, it can also achieve direct connection between measurement data and computer spreadsheet software, greatly improving the efficiency of quality inspection data processing.

In summary, the Sanfeng 293 series anti coolant digital micrometer deeply integrates protection, accuracy, and efficiency, breaking the limitations of harsh environments on precision measurement and adapting to the quality control needs of modern production through digital functions. It has become a practical and reliable precision measurement equipment in the industrial manufacturing field.
Sanfeng 293 series anti coolant digital micrometer from Japan