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Ex-demo XYZ 660 HD VMC with Heidenhain control
Spindle	33hp/25kW
Table 720 x 420 mm
Travels (X, Y, Z) 660 x 450 x 500mm
Max spindle speed 10,000
Spindle 33hp/25kW Table 720 x 420 mm Travels (X, Y, Z) 660 x 450 x 500mm Max spindle speed 10,000...
XYZ Machine Tools

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New desktop resistance weld checker unveiled

Posted on 26 Nov 2020 and read 739 times
New desktop resistance weld checker unveiledGermany-based Amada Weld Tech, a manufacturer of equipment and systems for laser welding, laser marking, laser cutting, resistance welding, hermetic sealing and hot bar reflow soldering and bonding, has introduced the new MM-400A desktop resistance weld checker to its product range.

With the MM-400A, operators can easily monitor and manage key welding variables that result in changes in weld heat, including current, voltage, time, force and displacement. The compact unit supports AC, DC inverter, AC inverter, transistor and capacitive discharge resistance welding technologies.

It is ideal for use in process development, where it can be used to correlate waveform and numeric data with process results and provide detailed weld data for process optimisation and validation.

In a production environment, it reduces scrap by detecting drifts in the weld process and alerting operators before process failure. The MM-400A also reduces the frequency of destructive testing and provides an independent way of monitoring the welding power supply.

It features a simple and intuitive user interface and colour touch panel display. An envelope function allows the operator to set upper and lower segmented or continuous limits around the entire waveform. The unique seam welding mode monitors AC current and voltage or DC voltage for up to 5min.

The unit provides ISO17657-compliant measurement for current (when used with available ISO-compliant toroidal coil) and offers Ethernet (TCP/IP), and RS-232/485 communication. Pre-weld displacement measures workpiece thickness prior to welding. Multi-language support includes English, Spanish, Japanese, Chinese, Korean, German, and French.

Available accessories include shunt resistor force sensors, a built-in force sensor, displacement sensors, and weld through sensors that offer simultaneous measurement of applied force.