1. Cooling unit

For the cooling of high-frequency spindles, of the switch cabinet and for linear motors it is necessary to have a closed cooling water circuit.

The flow temperature of the cooling water must be approx. 20 °C, the energy to be dissipated is between 7,000 kJ/h and 45,000 kJ/h.

It is possible to connect the machines to an existing cooling water circuit, but we recommend the connection to a cooling unit as described below:

• The cooling unit has a closed cooling water circuit, 
• it is completely wired and piped with the machine,
• the cooling water is filtered and mixed with antifreeze and anticorrosive agent, 
• the temperature of the cooling water is electronically controlled and digitally displayed,  
• all trouble messages of the cooling unit are evaluated in the machine control, 
• the coolant used will be R407C.

 
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