Webinar (7/7): Pressure Measurement Useful for Inline Quality Control of Spot Welding

Kistler Japan G.K. Head office

In recent years, there has been an increasing demand for quality control in spot welding from automobile manufacturers. Kistler has noticed that many customers perceive it as an issue that, traditionally, the electrode pressure has not been measured inline. Therefore, this time, we aim to improve quality, reduce inspection man-hours, and establish traceability through monitoring the pressure in spot welding. In a brief 30-minute session, we will introduce a sensor suitable for pressure measurement and a solution for determining and recording pressure data for all weld points. - Installation of high-sensitivity strain sensors - Management of spot welding conditions through pressure measurement - Functions of the judgment recording device maXYmos During the session, we will answer questions submitted via the QA form in real-time. Why not take this opportunity to interact with our sales engineers! Date and Time: July 7 (Wednesday) 10:30 - 11:10 Please check the details through the link below and register via the registration form. https://info.kistler.com/ja-webinar-spotwelding-pc-plus We look forward to many participants joining us.

Sensor solution for measuring accurate spot welding pressure.

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Related product information

Crystal piezoelectric strain sensor 9232A
Highly sensitive and acceleration-compensated, suitable for process monitoring of rapidly moving machinery!

Through the contact surfaces of the sensor at two locations, the strain of the material acts on the sensor in response to changes in distance. The external case of the sensor functions as an elastic transmission element, converting the change in distance into force. A piezoelectric element that responds to shear strain generates a charge Q (unit: pC) proportional to this force. The sensor is designed for industrial applications. When integrated with a cable, it can achieve a protection rating of IP65. The external case of the sensor is made of stainless steel, and the output connector of the sensor is 10-32UNF. Therefore, various Kistler connection cables can be used.
Crystal piezoelectric strain sensor 9237B
Installed on the movable or non-movable parts of the processing machine, it is ideal for dynamic and quasi-static force measurement!

The strain in the measurement section is transmitted through two contact points located on the bottom surface of the sensor. The sensor case itself undergoes elastic deformation and transmits the strain to the quartz piezoelectric element. The quartz piezoelectric element generates a charge Q [Pc] that is proportional to the amount of strain. Compared to strain gauge types, the quartz piezoelectric type has higher sensitivity and is more resistant to overload. It also has a long lifespan and provides excellent repeatability and stability in measurements. The measured signal can be used as a relative value. If used as an absolute value (N, kN), the sensor needs to be calibrated with a known load. Thanks to its robust structure and stainless steel case, it can be used in harsh environments. In particular, the 9237B20 achieves IP67, allowing it to be used in dusty and high-humidity environments when used with the dedicated cable 1915A.
Crystal piezoelectric strain sensor (with built-in charge amplifier) 9238B
Installed on the movable or non-movable parts of the processing machine, it is ideal for dynamic and quasi-static force measurements!

The strain in the measurement section is transmitted through two contact points provided on the bottom surface of the sensor. The sensor case itself undergoes elastic deformation, transmitting the strain to the quartz piezoelectric element. The quartz piezoelectric element generates a charge Q [pC] proportional to the amount of strain. The built-in charge amplifier converts the charge into voltage. Compared to strain gauge types, the quartz piezoelectric type has higher sensitivity and is more resistant to overload. It also has a long lifespan and excellent repeatability stability for measurements. The measured signal can be used as a relative value. If used as an absolute value (N, kN), the sensor needs to be calibrated with a known load. Wiring for the power supply, control signals, range switching, and communication interface is provided within the cable that transmits the measurement signal. The settings for the charge amplifier can be configured using the included PC software, ManuWare, via the built-in RS232C interface. For testing purposes, measurement data can be displayed on a PC using ManuWare (transfer speed <20 Hz). With a robust structure suitable for industrial applications, it achieves IP67, allowing it to be used in environments with high dust and humidity.
Introduction of case studies such as force sensors and quartz piezoelectric strain sensors.
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