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VHM-H-NRT Vertical Hardening Machine


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VHM-H-NRT Vertical Hardening Machine

  • IGBT or MOSFET/SiC technology for the converters, frequency range 10kHz-1MHz
  • High speed and high precision servo system for the vertical positioning
  • Programmable rotating speed
  • Automatic doors for the hardening area
  • Temperature control for the quench liquid and the converter cooling
  • Easy to program, compiler for program verification. Very flexible programming using simple instructions (similar to G-Code)
  • Manual and automatic mode of operation, individual commands for each execution element from the touch panel or the hand-held remote controller
  • Ethernet-based connection to external PC for data logging, visualization, program editing, etc.
  • Quality monitoring of the hardened parts based on the energy, quench temperature, quench flow rate, frequency, and power
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Description

The vertical hardening machines are used mainly in hardening workshops, where high variety of parts has to be hardened.

Tetronic’s high frequency induction heating technology makes possible to cover a wide range of frequencies with one converter without the need of frequent matching adjustments, thus in the most cases the user has to change only the inductors in case of changing the part to be hardened.

The quick coupling system for inductor and quenching assure a fast transition time from one part to other. The control of the hardening machine is realized with the newest Siemens PLC and Servo technology using Profinet.

The operator panel is a 12” wide Siemens touch screen, offering a versatile view and easy to use interface to the operator. The use of the Profinet communication technology has several advantages like, easy connection to a remote PC, where the hardening programs can be stored, edited or the whole process can be monitored and all significant data can be archived.

In this way an infinite number of hardening programs can be stored. For the programming of the machine an easy to use and easy to understand programming language has been developed (similar to G-code), the programs can be edited either on the operator panel or on the PC.

All the technological quantities, which influence the quality of the hardening are controlled by PLC, the heating power, the frequency, the quench’s temperature, the cooling water’s temperature are controlled, while the flow of the quench is displayed and it can be adjusted manually and all the temperatures are monitored and displayed.

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