Tecna 3321 Industrial Suspended Spot Welding Gun - 16kVA (Pneumatic, 400V, with TE470 Control Unit)

Features & Benefits

• Pneumatic operated suspended gun, with integrated TE330, TE450, TE470 or TE480 microprocessor welding control unit
• High productivity achieved with rational design, reduced dimensions, high welding capacity
• 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
• Large selection of arms, enabling the welder to work in a wide range of applications
• Chrome-copper electrode holders for heavy duty and long life, designed for both straight and angled assembling
• Adjustable electrodes 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
• Water cooled transformer with epoxy resin coated windings
• Water cooled arms, electrode holders and electrodes
• Synchronous SCR contactor insulated from cooling water circuit with protection thermostat
• Oil-free chromium-plated cylinder and shaft for heavy-duty operation and long life

Package Contents

• 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)

TE470 Welding Control Unit Specifications

• Type: Microprocessor welding control unit
• Application: Suspended resistance welding guns
• Program Storage Capacity: Up to 63 different welding programs
• Direct Program Recall: 2 programs via external selector
• Parameters per Program: 19 adjustable parameters
• Thyristor Control: Adjusts welding current
• Safety Functions: Double stroke control and safety device monitoring
• Welding Modes: Standard 4-times cycle, pre-weld current, post-weld current, slope, and pulses
• Current Mode: Constant current mode with current display and limit monitoring

It’s important to note that the handle is not a standard component of the welding control unit. Instead, different handles can be installed to customize the machine’s settings based on specific working requirements.