Spindle unit ST2/ST3

 

It is possible to use the same MG41 gearbox in combination with different Spindle Units, for different applications. The Spindle Unit is fixed to the MG41 gearbox with 4 M12 bolts with 19 mm head. A different Spindle unit can be fitted in a minute. It is precisely positioned by four hardened female / male cones giving a solid connection.

 

The ST2 and ST3 spindle units can be ordered with or without Quick Disconnect Coupling (QDC) for the drill bit. 
 

    
 
         
         

Technical data

 ST2 / ST3

 

 
 
Max power throughput:      
Spindle thread: 1-1/4" - 7 UNC    
Width: 184 mm    
Height incl. spindle: 205 mm    
Depth: 298 mm    
Weight: 7.3 kg    


All technical data can be subject to change without notice.

 

Spindle rpm with spindle units ST2 and ST3 :

Pentpak 25 +
1:st gear
2:nd gear 3:rd gear 4:th gear
25 cc motor + ST2: 120 rpm 195 rpm 335 rpm 530 rpm
25 cc motor + ST3: 250 rpm 395 680 1080
         
Pentpak 20/15 +
1:st gear
2:nd gear
3:rd gear
4:th gear
25 cc motor + ST2: 65 rpm 100 rpm 175 rpm 280 rpm
25 cc motor + ST3: 130 rpm 210 rpm 360 rpm 570 rpm
16 cc motor + ST2: 100 rpm 160 rpm 275 rpm 425 rpm
16 cc motor + ST3: 205 rpm 325 rpm 560 rpm 890 rpm

 

Torque with spindle units ST2 and ST3 :

Pentpak 25 +
1:st gear
2:nd gear 3:rd gear 4:th gear
25 cc motor + ST2: 1010 Nm 630 Nm 370 Nm 230 Nm
25 cc motor + ST3: 490 Nm 310 Nm 180 Nm 115 Nm
         
Pentpak 20/15 +
1:st gear
2:nd gear
3:rd gear
4:th gear
25 cc motor + ST2: 1010 Nm 630 Nm 370 Nm 230 Nm
25 cc motor + ST3: 490 Nm 310 Nm 180 Nm 115 Nm
16 cc motor + ST2: 865 Nm 540 Nm 315 Nm 200 Nm
16 cc motor + ST3: 420 Nm 265 Nm 155 Nm 100 Nm