The Tecna TE470 is a microprocessor welding control unit for suspended resistance welding guns. The welding control unit is used to control the welder parts, and in particular the thyristors adjusting the welding current. This control unit includes specific functions to be used when working with suspended welding guns, such as: double stroke control; control of the efficacy of the safety devices eventually installed on the handle of the machine.
The handle is not a standard component of the welding control unit; it is possible to install different handles so to set the machine according to different working performances.
It is possible to store up to 63 different welding programs; it is possible to directly recall 2 programs by means of an external selector commonly installed on the handle, including the presence of 2 active handles. Each program is formed by 19 adjustable parameters describing the working cycle.
Besides the simple 4 times cycle, the control unit enables to carry out welding processes with pre-weld current, post-weld current, slope and pulses. TECNA TE470 can work in constant current mode, it displays the welding current and check the current according to the set limit.
Industrial Suspended Spot Gun 23kVA "L" Type c/w TE470
- Suspended spot gun with built-in control unit (TE470)
- Earth leakage and circuit breaker switch
- Air filter-regulator unit with gauge
- Supply cables and hoses 6.5m length
- Voltage and frequency to be always specified
- High productivity achieved with rational design, reduced dimensions, high welding capacity.
- Built-in control unit, reduced dimensions and reduced installation costs.
- High electric efficiency.
- Reduced installation costs.
- Totally enclosed, rubber protected for easy and safe operation.
- Gyro suspension on sealed bearings together with a spring balancer guarantees accurate manoeuvrability at any degree.
- Rotation locking device.
- Water cooled: electrode-holders, arms, transformer and SCR contactor.
- Adjustable electrode distance.
- Adjustable short working stroke for heavy duty.
- Temporary extra stroke to reach the areas to be welded.
- Long working stroke to weld reinforcement ribs, jobs in areas difficult to be reached.
- Supplied complete with earth leakage switch with safety control.
- Air operation adjustable in strenght and speed.
- Oiless chromium plated cylinder and shaft for heavy duty operation and long life.
- Choice of different timers to meet all production requirements.
- Safety device placed on the handle preventing any accidental start.
- Quick replacement of the supply cable; it is not necessary to open up the welder to carry out this operation.