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Working in conjunction with resistance weld control equipment, the NewTek custom LVDT detects and reports different conditions including weld pin extended position, double part, misloaded part, incomplete weld, weld pin retraction, upside-down nut, wrong or missing part. Based on programmed system spec limits, the position sensor will trigger a go/no go response with each pass.
NewTek Position Sensor Detects Part Errors in Automotive Resistance Welding Machines
Can detect missing or misaligned parts in nut and stud welding
As is fundamental with all LVDTs, the sensor has no contact between its core and coil structure so parts don’t rub together or wear, resulting in longer mechanical life. The linear variable displacement transformer also has internal magnetic shielding that reduces the effects of AC or DC fields.