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Streamlining manual operations! Abnormal sound inspection device 'DSVI-MA' <Labor-saving>

Streamlining manual operations! Abnormal sound inspection device 'DSVI-MA' <Labor-saving>

Replacement from human to device is possible! Creating inspection standards is easy, and it can be used in a space-saving manner. It can also be introduced to industries outside of the motor sector! Please consult us first.

The "DSVI-MA" can solve issues that have been challenges during sensory inspections of sound and vibration conducted by humans, such as the point that "human perception is not a quantitative judgment standard" and the point that "it becomes an obstacle to automation and cost reduction in manufacturing." All necessary functions for inspection are built into the main unit. Frequency analysis can be performed on-site at the time of measurement. 【Features】 ■ Easy creation of inspection standards ■ Space-saving ■ Acceleration sensor mounting fixtures available (optional) *For more details, please refer to the PDF materials or feel free to contact us.

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[Application Examples of Abnormal Sound Inspection Devices] Inspection of output sound from voice guidance equipment.

[Application Examples of Abnormal Sound Inspection Devices] Inspection of output sound from voice guidance equipment.

By using directional microphones and abnormal sound inspection devices, quantitative automatic inspection can be achieved!

Our "Noise Inspection Device" utilizes an inspection algorithm based on the Maharano Vista Guchi method to automatically and quantitatively inspect the quality of sound and vibration. We would like to introduce a case where the "Noise Inspection Device" was applied to inspect the output sound of a voice guidance device. In this case, the remote control with voice guidance functionality previously required an operator to listen for abnormalities, such as muffled or distorted sound due to speaker assembly issues. By using a directional microphone and this device, we can achieve quantitative automatic inspection. [Case Study] ■ Challenge - Previously, operators listened for abnormalities, such as muffled or distorted sound due to speaker assembly issues. ■ Application Results - By using a directional microphone and the noise inspection device, we can achieve quantitative automatic inspection. *For more details, please refer to the PDF document or feel free to contact us.

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Application example of abnormal sound inspection device: Abnormal sound inspection for air conditioning outdoor unit motors.

Application example of abnormal sound inspection device: Abnormal sound inspection for air conditioning outdoor unit motors.

Fully automate inspections and reduce process time! Introducing application examples of abnormal noise inspection devices.

Our "Noise Inspection Device" utilizes an inspection algorithm based on the Maharano Vista Guchi method to automatically and quantitatively inspect the quality of sound and vibration. Here, we introduce a case where the "Noise Inspection Device" was applied to the noise inspection of motors for air conditioner outdoor units. In the shipping inspection of motors for air conditioner outdoor units, traditionally, operators would use a stethoscope to determine whether there were any abnormal sounds or vibrations. By using this device, the inspection can be fully automated, leading to a reduction in process time. [Case Study] ■ Challenge - Traditionally, operators used a stethoscope to determine whether there were any abnormal sounds or vibrations. ■ Application Result - By using the Noise Inspection Device, the inspection can be fully automated, resulting in a reduction in process time. *For more details, please refer to the PDF document or feel free to contact us.

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[Application Examples of Abnormal Noise Inspection Devices] Abnormal Noise Inspection of Automotive Components

[Application Examples of Abnormal Noise Inspection Devices] Abnormal Noise Inspection of Automotive Components

We will introduce examples of applying quality stabilization to abnormal noise inspection of automotive components!

Our "Noise Inspection Device" utilizes an inspection algorithm based on the Maharano Vista Guchi method to automatically and quantitatively inspect the quality of sound and vibration. Here, we introduce a case where the "Noise Inspection Device" has been applied to the inspection of abnormal sounds in automotive components. In recent years, with the increasing demand for high quality in automobiles, there has been a growing requirement for the sound and vibration of components that incorporate motors. By using this device for inspections of the motor alone or for units after the motor has been integrated, we can achieve stabilization of quality. [Case Study] ■ Challenges - In recent years, with the increasing demand for high quality in automobiles, there is a growing requirement for the sound and vibration of components that incorporate motors. ■ Application Results - By using the Noise Inspection Device for inspections of the motor alone or for units after the motor has been integrated, we can achieve stabilization of quality. *For more details, please refer to the PDF document or feel free to contact us.

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[Applicable Case] Noise Inspection for Electric Assist Bicycle Drive Unit

[Applicable Case] Noise Inspection for Electric Assist Bicycle Drive Unit

The use of the abnormal sound inspection device allows for the quantitative detection of products that emit sounds different from normal ones!

Our "Noise Inspection Device" utilizes an inspection algorithm based on the Maharano Vista Guchi method to automatically and quantitatively inspect the quality of sound and vibration. We would like to introduce a case where the "Noise Inspection Device" was applied to the noise inspection of drive units for electric assist bicycles. Previously, during post-assembly inspections, operators would listen to sounds to make judgments. However, by using this device, it is possible to quantitatively detect products that emit sounds different from normal ones. [Case Study] ■ Challenges - In electric assist bicycles, the occurrence of abnormal sounds during use greatly affects product value and can lead to complaints. - Previously, operators judged sounds during post-assembly inspections. ■ Application Results - By using the noise inspection device, it is possible to quantitatively detect products that emit sounds different from normal ones. *For more details, please refer to the PDF document or feel free to contact us.

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Application example of abnormal sound inspection device: Transformer humming sound inspection.

Application example of abnormal sound inspection device: Transformer humming sound inspection.

We will introduce a case where the measurement of vibrations enabled the automation of inspections in a soundproof room!

Our "Noise Inspection Device" utilizes a testing algorithm based on the Maharano Vista Guchi method to automatically and quantitatively inspect the quality of sound and vibration. Here we introduce a case where the "Noise Inspection Device" was applied to the inspection of transformer humming sounds. By using this device to measure vibrations, we can automate inspections in a soundproof room. [Case Study] ■ Applicable Product: Noise Inspection Device "DSVI-MA" ■ Application Results - By using this device to measure vibrations, inspections in a soundproof room can be automated. *For more details, please refer to the PDF document or feel free to contact us.

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Abnormal Sound Inspection Device 'DSVI-MA/MB' *Case studies are being presented.

Abnormal Sound Inspection Device 'DSVI-MA/MB' *Case studies are being presented.

Automate and quantify sound and vibration inspection. Replace auditory testing with simple settings. Achieve accurate inspections by eliminating disturbances with noise-canceling features!

The "DSVI-MA/MB" is an abnormal noise inspection device that automatically determines the quality of sound and vibration using an inspection algorithm based on the Mahalanobis-Taguchi method (MT method). By replacing the inspection of sound and vibration, which relied on human senses, with this device, quantitative automatic inspection is achieved. Inspection criteria can be easily created from 40 good product data points, and an immediate improvement in the accuracy and efficiency of abnormal noise inspection can be expected after implementation. The "DSVI-MB" supports up to 4 channels of input. It can determine quality from sensors located in multiple areas. Simultaneous inspection of sound and vibration, as well as vibration inspection in three axial directions, is possible. Additionally, the noise-canceling function removes disturbances such as sudden noise and constant noise, enabling accurate and stable inspections. ★ A collection of case studies is currently being offered. Please refer to the basic information section for details. 【Features】 ■ Easy creation of inspection criteria, ready for immediate use ■ Space-saving design equipped with all necessary functions for inspection ■ Frequency analysis can be performed on-site at the time of measurement ■ Mounting fixtures for acceleration sensors are also available (optional) * You can view the catalog and case studies via "PDF Download." Please feel free to contact us for inquiries.

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[Case Studies] Application Examples of Abnormal Sound Inspection Devices *Free Distribution

[Case Studies] Application Examples of Abnormal Sound Inspection Devices *Free Distribution

Introducing a total of 14 applicable cases, including abnormal noise inspection of multifunction printers and vibration inspection of ventilation fans!

At Daiou Electric Co., Ltd., we are offering a collection of case studies titled "Application Examples of Noise Inspection Devices," which includes examples of quantifying and automating the subjective auditory and vibration inspections using noise inspection devices. The collection features a total of 14 cases, including "Noise Inspection of Automotive Parts," "Noise Inspection of Air Conditioner Indoor Units," and "Inspection of Output Sound from Voice Guidance Devices." Our "Noise Inspection Device" has achieved the capability to automatically and quantitatively inspect the quality of sound and vibration through an inspection algorithm utilizing the Maharano Vista Guchi method. [Contents (Excerpt)] ■ What is a Noise Inspection Device ■ Case 1: Noise Inspection of Automotive Parts ■ Case 2: Noise Inspection of Drive Units for Electric Assist Bicycles ■ Case 3: Noise Inspection of Air Conditioner Indoor Units ■ Case 4: Noise Inspection of Motors for Air Conditioner Outdoor Units *For more details, please refer to the PDF document or feel free to contact us.

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Application example of abnormal noise inspection device: Abnormal noise inspection of air conditioning indoor units.

Application example of abnormal noise inspection device: Abnormal noise inspection of air conditioning indoor units.

Realize digitization and quantification! By using the abnormal sound inspection device, quantitative inspection is possible.

Our "Noise Inspection Device" utilizes an inspection algorithm based on the Maharano Vista Guchi method to automatically and quantitatively inspect the quality of sound and vibration. Here, we introduce a case where the "Noise Inspection Device" was applied to the noise inspection of air conditioning indoor units. In the shipping inspection of residential air conditioning indoor units, traditionally, operators listened to the operational sounds for inspection. This method can lead to variability in judgment due to human hearing, resulting in unstable quality. However, by using this device, quantitative inspection becomes possible. [Case Study] ■ Issues - In the shipping inspection of residential air conditioning indoor units, operators traditionally listened to the operational sounds for inspection. - Variability in judgment occurs with human hearing, leading to unstable quality. ■ Application Results - Quantitative inspection is possible by using the Noise Inspection Device. *For more details, please refer to the PDF document or feel free to contact us.

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[Application Examples of Abnormal Noise Inspection Devices] Abnormal Noise Inspection of Multifunction Printers

[Application Examples of Abnormal Noise Inspection Devices] Abnormal Noise Inspection of Multifunction Printers

Cost reduction for equipment is possible! We introduce a case where an abnormal noise inspection device was applied to the abnormal noise inspection of multifunction printers.

Our "Noise Inspection Device" utilizes an inspection algorithm based on the Maharano Vista Guchi method to automatically and quantitatively inspect the quality of sound and vibration. We would like to introduce a case where the "Noise Inspection Device" was applied to the noise inspection of multifunction devices. It inspects whether any abnormal sounds occur when the finished product operates in various modes, whereas previously, operators conducted auditory inspections in a soundproof room. In this case, abnormal sounds are detected by using an accelerometer to measure vibrations. This helps reduce equipment costs, such as the need for a soundproof room. [Case Study] ■ Challenge - Previously, operators conducted auditory inspections in a soundproof room. ■ Application Results - Abnormal sounds are detected by using an accelerometer to measure vibrations. - Equipment costs, such as the need for a soundproof room, can be reduced. *For more details, please refer to the PDF document or feel free to contact us.

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Application example of abnormal sound inspection device: Vibration inspection of exhaust fans.

Application example of abnormal sound inspection device: Vibration inspection of exhaust fans.

We will introduce a case where automatic inspection was made possible by applying an abnormal sound inspection device!

Our "Noise Inspection Device" utilizes an inspection algorithm based on the Maharano Vista Guchi method to automatically and quantitatively inspect the quality of sound and vibration. Here, we introduce a case where the "Noise Inspection Device" was applied to the vibration inspection of exhaust fans. Traditionally, abnormal vibrations were inspected by having operators directly touch the rotating products, which posed safety concerns. In this case, an automatic fixture for attaching and detaching an accelerometer was used, enabling automatic inspection when combined with this device. 【Case Study】 ■ Issues - Traditionally, abnormal vibrations were inspected by having operators directly touch the rotating products, which posed safety concerns. ■ Application Results - By using a fixture that automatically attaches and detaches the accelerometer, automatic inspection becomes possible when combined with the noise inspection device. *For more details, please refer to the PDF document or feel free to contact us.

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[Application Examples of Abnormal Sound Inspection Devices] Abnormal Sound Inspection of Voice Output Boards

[Application Examples of Abnormal Sound Inspection Devices] Abnormal Sound Inspection of Voice Output Boards

Inspectable with stable quality! We will introduce examples of applying abnormal sound inspection for audio output boards.

Our "Abnormal Sound Inspection Device" utilizes an inspection algorithm based on the Maharano Vista Guchi method to automatically and quantitatively inspect the quality of sound and vibrations. Here, we introduce a case where the "Abnormal Sound Inspection Device" was applied to the inspection of abnormal sounds in voice output boards. It detects defects that cause abnormal sounds due to issues with the IC chips within the board. Inspecting products produced in large quantities through human auditory means requires significant effort and increases the likelihood of oversight; however, by using this device, stable quality inspections can be achieved. [Case Study] ■ Challenges - Inspecting products produced in large quantities through human auditory means requires significant effort and increases the likelihood of oversight. ■ Application Results - By using the Abnormal Sound Inspection Device, stable quality inspections can be achieved. *For more details, please refer to the PDF document or feel free to contact us.

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[Application Example of Abnormal Noise Inspection Device] Abnormal Noise Inspection for Small Motors Used in Optical Products

[Application Example of Abnormal Noise Inspection Device] Abnormal Noise Inspection for Small Motors Used in Optical Products

We will introduce a case that enabled the automation of the process where operators inspect using a soundproof box!

Our "Abnormal Noise Inspection Device" utilizes an inspection algorithm based on the Maharano Vista Guchi method to automatically and quantitatively inspect the quality of sound and vibration. We would like to introduce a case where the "Abnormal Noise Inspection Device" was applied to the inspection of abnormal noise in small motors used for optical products. During shooting, the operational sounds of small motors used for the shutter, focus, and zoom can have an impact, making sound inspection necessary. By using this device, the process of inspection that was previously done by operators in a soundproof box can be automated. [Case Study] ■ Challenge - During shooting, the operational sounds of small motors used for the shutter, focus, and zoom can have an impact, making sound inspection necessary. ■ Application Results - By using the abnormal noise inspection device, the process of inspection that was previously done by operators in a soundproof box can be automated. *For more details, please refer to the PDF document or feel free to contact us.

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Application examples of abnormal sound inspection devices: Abnormality detection in machining machines.

Application examples of abnormal sound inspection devices: Abnormality detection in machining machines.

We will introduce a case where equipment for processing metal materials was applied to detect processing anomalies!

Our "Abnormal Noise Inspection Device" utilizes an inspection algorithm based on the Maharano Vista Guchi method to automatically and quantitatively inspect the quality of sound and vibration. We would like to introduce a case where the "Abnormal Noise Inspection Device" was applied to detect abnormalities in machining equipment. It detects processing defects caused by chipping or wear of the blades of cutting machines and polishing machines through the sound and vibration during processing. [Case Study] ■ Applicable Product: Abnormal Noise Inspection Device "DSVI-MA" ■ Application Results - Detects processing defects caused by chipping or wear of the blades of cutting machines and polishing machines through the sound and vibration during processing. *For more details, please refer to the PDF document or feel free to contact us.

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Abnormal Sound Inspection Device 'DSVI-MA' *Case studies are being presented.

Abnormal Sound Inspection Device 'DSVI-MA' *Case studies are being presented.

Automation and quantification of sound and vibration inspection. Replacement of auditory inspection achieved with simple settings. Space-saving design of abnormal noise inspection equipment.

The "DSVI-MA" is a noise inspection device that automatically determines the quality of sound and vibration using an inspection algorithm based on the Mahalanobis-Taguchi method (MT method). By replacing the inspection of sound and vibration, which relied on human senses, with this device, quantitative inspections can be conducted, preventing variability in judgments. You can easily create inspection standards by preparing just 40 good product data, and an immediate improvement in the accuracy and efficiency of noise inspections can be expected after implementation. Additionally, we offer the "DSVI-MB," which supports input from up to 4 channels of sound and vibration. It can determine quality from sensors at multiple locations. Simultaneous inspection of sound and vibration, as well as vibration testing in three axes, is possible. ★ A collection of case studies is currently available. Please refer to the basic information section for details. 【Features】 ■ Easy creation of inspection standards, ready for immediate use ■ Space-saving design equipped with all necessary functions for inspection ■ Frequency analysis can be performed on-site at the time of measurement ■ Mounting fixtures for acceleration sensors are also available (optional) * You can view the catalog and case studies from the "PDF Download" section. Please feel free to contact us with any inquiries.

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