Control, Balancers and Instruments
The TE1700 "WELD TESTER" is a portable instrument purposely designed for measuring the parameters of resistance welding. By using probes of different kind, the same instrument enables measurement of the welding current, the force at the electrodes, the voltage at the electrodes, the energy, the resistance and the thermal current. It is possible to adjust the analyzer through the LCD touch screen, an indispensable and highly performing diagnostic tool which offers a graphic display of the waveforms of the selected signals. It is suitable for measuring on standard machines in alternate current (AC), direct current three- phase rectified and medium frequency machines (DC/MFDC) and capacitor discharge machines (CDW):
AC - Measurement of the current true effective value (RMS); the peak current value both positive and negative; the conduction angle in degrees; the welding time in cycles & in cycle steps; RMS voltage value, the peak voltage values both positive and negative.
DC/MFDC - Measurement of the RMS value and of the current maximum value, the slope time and welding time in ms, the RMS and peak voltages.
CDW - Measurement of the welding time in ms; the current true effective value (RMS), the current slope up time, the maximum RMS current value, the current slope downtime, the peak voltage values.
Blanking Function - Initial and final blanking function with programmable time interval, it prevents measurement errors in the presence of slope and allows to verify the correct first insertion delay.
Blanking function - It prevents measurement errors due to high impact force and it allows to estimate the latter. Wide availability of measurement transducers. Automatic recognition of the connected sensor, Storage of the measured values (30.000 max) and statistical analysis of the last 100 welds.
USB 2.0 output - It enables the use of a flash memory drive for storing data and waveforms (in bitmap ad csv formats).
Bluetooth® port - For displaying and recording the measured data.
Our TE1700 transfers the data acknowledged by the PC after each measurement automatically, without needing to press any button. Supply by means of Ni-Mh batteries and battery charger included in the standard supply. Battery life of approximately 24 hours depending on usage. Suitcase for carrying the measurement instrument and the accessories. Welding tables included. Possibility of setting 3 limits windows. Integrated clock.
The TE1600/RS232 "WELD TESTER" is a portable instrument purposely designed for measuring the parameters of resistance welding. By using the RS232 port and by means of a female DB9serial cable, the measurement instrument may be connected to a PC for displaying and recording the measured data. Our TE1600/RS232 transfers the data acknowledged by the PC after each measurement automatically, without needing to press any button. By using probes of different kind, the same instrument enables to measure both the welding current and the force at the electrodes. The power of the 32-bit microprocessor and the accuracy of the 12-bit AID converter make the instrument a highly performing one. It is suitable for measuring on standard machines in alternate current (AC), direct current three-phase rectified and medium frequency machines (DC) and capacitor discharge machines:
AC - Measures the true effective value (RMS), maximum value and average value; the peak value: positive and negative values; the conduction angle in degrees; the welding time in cycles & in cycle steps.
DC - The average value, the maximum value and the welding time in ms.
CD - Measures the welding time in ms; the current true effective value (RMS); the current slope up time; the maximum RMS current value; the current slope down time.
Pre -and post-blanking function - With programmable time gap; it prevents the measurement errors when the slope function is used and it allows the checkout of the correct first insertion delay.
Storage - Stores the values measured during the last 10 welds.
Force Measurement - Measures the welding force, the maximum force value, the value at the beginning and at the end of the welding time.
Blanking Function - It prevents the measurement errors due to high impact force and it allows to estimate the latter.
Wide availability of measurement transducers. including air pressure transducers. Automatic recognition of the connected sensor, BNC output to display the current wave-shape on oscilloscope. Supply by means of alkaline batteries 4 x 1.5 V (size AA).
ST1900 Machine for quality control and Test Twenty years after the first version, TECNA, in response to market enquiries, offers again a complete range of Machines for quality control and test named "Strength Test 1900". However, the technology being used has been completely updated and includes recirculating ball screws, brushless motors, position transducers with centesimal resolution. In short, TECNA has managed to gather and use every high performance and reliable component currently available. This range of equipment offers models with capacities ranging from 250 N to 300.000 N which vary from bench versions to stationary ones and it is designed to monitor the qualrty of welded joints by means of destructive tests on samples. These machines are particularly suitable for manufacturing companies that perform both spot and projection resistance welding and have the need to ensure precise mechanical features to the welded joint.
The vertical movement test system has a force transducer which varies according to the ST1900's models and capacities, that is to say according to a range that goes from 250 N up to 300.000 N. The ST1 900 can carry out both tensile tests on steel samples or rods, either spot or projection welded, and compression tests on projection welded nuts and bushings. This enables during the test an estimate of the deformation of the material and the direct effects on the welded sample being inspected. A security device locks the machine when reaching the set maximum load thus guaranteeing the safety of the equipment. Each machine is supplied with a laptop for monitoring. This is carried out using dedicated software which is easy to use even by personnel.
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