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Transtécnica

PU Injection / Metering Machine for Footwear Soles – T-7/2S

Transtécnica

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About

T7/2S - PU SHOE SOLE INJECTION MACHINE

This unit has been specially designed for the production of shoe soles using polyurethane systems that require complete and careful operation control. The use of high-precision components allows for accurate control of the desired ratio and flow rate, and the rotating arm system enables injection at each mold set station.

Features

Mixing Cylinder Head

  • For two components with pneumatic control valve
  • Mechanical mixing grid with an approximate speed of 7000 rpm, driven by an electric motor
  • Automatic solvent and air flow for cleaning and drying the mixing unit, with timers for cycle control

Dosing Unit

  • Measurement of each component using high-precision gear pumps driven by the motor system, allowing for variable volumetric ratio and continuous flow variation
  • Motor speed controlled by frequency converters with a digital RPM display keyboard
  • Constant recirculation of each component through the pump, temperature conditioning unit, mixing head, and material reservoir
  • Heating is achieved by immersing electric resistance circuits in the water circuit in the material reservoirs

Machine Controls

  • Digital multitimer condensing 20 injection timers, pre-injection timer, and containing cleaning cycle functions (pause/solvent/air)
  • Digital thermostats for accurate component temperature control
  • Pressure switches for recirculation and injection pressure control with safety system
  • Digital tachometers with pumping speed control
  • Mixing cylinder head keyboard for injection activation
  • Tank agitator
  • Rotational mast and pneumatic system for vertical arm movement

Optional

  • Programmable logic controller
  • Synoptic panel with operation keyboard
  • Bi-density system
  • Color injection system
  • Double speed for mixing motor
  • Transfer pumps
  • Tank level sensor
  • Emergency cleaning auxiliary system
  • Absolute encoder
  • Demolding spray pistol

Required Services

Dosing Unit
- Electricity: 220v or 380v / Three-phase / 60 hz
- Electrical Power: 6 Kw
- Air: 6 cfm at 120 psi
- Water: Industrial

Mold Holder (per station)
- Electricity: 220v or 380v / Three-phase / 60 hz
- Electrical Power: 500 W
- Air: 1.11 cfm at 120 psi per cycle

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We embrace holistic development and support for employees with the aim of being a first-choice employer within our sectors. Through a unique combination of engineering, construction and design disciplines and expertise.

We embrace holistic development and support for employees with the aim of being a first-choice employer within our sectors. Through a unique combination of engineering, construction and design disciplines and expertise.

We embrace holistic development and support for employees with the aim of being a first-choice employer within our sectors. Through a unique combination of engineering, construction and design disciplines and expertise.