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Although the total cycle time is dependent on the speed at which the charging takes place as well as the type of concrete being produced, typically Ocmix planetary mixers can produce a batch of wet cast concrete in less than 120 seconds, with dry cast, block and paver mixes taking a little longer, depending on the type of moisture/water dosing system employed.  Note that some admixtures require extra mixing time.  The diagram below assumes that the aggregates are waiting in a skip or hopper, ready for discharge.  Note the Premix time before water is added;  this is essential to proper mixing and fast mixing times.  Mixer discharge is from 30 seconds for repetitive loads to 40 seconds for full cleanout when running different coloured products etc.  Contact us for specific applications.

Wet cast cycle (typical)

Charge aggregates 

5s

 

 Refill

 

Charge cements

  

15 sec

            

Refill

    

Premix time

    

20 sec

            

Premix

  

Charge water

      

20 sec

            

Refill

Charge admixes

Air

 

Other

  

Refill

 

etc.

Final mixing time

 

20 sec.  

 

Discharge time

 

26-36 sec

 

Door close

 

4s

 

Total cycle time

Beginning to end = 110 to 120 seconds

 


Dry cast cycle (final water added as moisture is monitored, see "Fast Micromix")

Charge aggregates 

5s

 

 

 Refill

 

Charge cements

  

15 sec

              

Refill

    

Premix time

    

20 sec

              

Premix

  

Charge main water

      

15 sec

              

Refill

Charge admixes

Air

 

Other

 

Refill

 

etc.

Add final water

        

30-40 sec.

              

Final mixing time

 

40-50 sec.  

            

Discharge time

 

 

26-36 sec

 

Door close

 

 

4s

 

Total cycle time

Beginning to end = 125 to 145 seconds

 

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