FMM-GR2 (3 spindles)


FMM-GR2 (3 spindle)
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Max drilling capacity on each spindle with BTA systemmm

50,8

(65 opz. )

Max drilling capacity on each spindle with GUNDRILL systemmm44

The Innse-Berardi multi spindle drilling machines model FMM are used to perform the deep holes in the tube sheets for heat exchangers in Nuclear and Chemical plants. The FMM machines are proposed with 2-3-5 spindle units either with common or independent feed and adjustable pitch.

Both BTA and GUNDRILL systems are provided. On the machines with high vertical stroke the longitudinal sliding (X-axis) is designed on hydrostatic oil bearing to guarantee the max rigidity and the best accuracy.

Max drilling capacity on each spindel with BTA systemØmm50,80 ( 65 opz. )
Max drilling capacity on each spindel with GUNDRILL system Ømm44
Max vertical axis stroke ( Y axis )mm3.500
Max longitudinal axis stroke ( X axis ) mm6.000
Max drilling stoke ( Z axis ) mm1.100
Max thrust of each spindle N25.000
Power of each spindlekW28-37
Indipendent spindle feed yes
Max langitudinal and vertical axis speedmm/min10.000
Max feed speed on Z axismm/min6.000