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Gearboxes
These gearboxes are suitable for the transmission of rotating motions between two shafts at right-angles.

• Available with reduction ratios: 1:1 - 1:2 in reducing (standard) - 2:1 in multiplying (on request available in version A-B-C, not availabe in version D*)
• Aluminium case, anodised, stainless steel shafts AISI 303
• Torque 12 Nm
• Radial load 25 kg - axial load 2,5 kg

• Models: 
  Version A with 2 outputs
  Version B with 3 outputs  
  Version C 
with 3 ouputs with opposite rotation
  Version D with 3 outputs, 2 through hollow shafts
  Version E with 4 outputs 

• output shafts: M = male / F = female Ø10
 
(see section "Overall dimensions")
• 2 outputs, weight gr. 300; 3 outputs, weight gr. 400

➤ Available on request:
• Output shafts male Ø14 / female Ø12 - Ø14
• Version with case in stainless steel AISI 303
• Models with spiral bevel gears in versions A-B-C-D-Eratio 1/1-1/2-2/1*. The 'SP' spiral gearboxes allow high precision, silent operation, and 30% increased output torque.
 


 

Photogallery

OUTPUT SHAFTS

M = male

 

F = blind female


 

F = female through shaft (available only on version "D")

COUPLING BUSHES

            

            Ø10-F12                                                      Ø10-F14

 VERSION "A" M-M 

                       

VERSION "A" M-F            


VERSION "A" F-F


VERSION "B" M-M-M


VERSION "B" F-M-M


VERSION "C" M-M-M with opposite rotation

VERSION "C" M-F-F with opposite rotation


VERSION "C" F-M-M with opposite rotation

VERSION "C" F-F-F with opposite rotation

 VERSION "D" M-F-F with through-hollow shaft 



 VERSION "D" F-F-F with through-hollow shaft 


 VERSION "E" M-M-M-M



VERSION "E" F-F-F-F


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        REPRESENTATION OF REDUCTION AND MULTIPLYING RATIOS       
Example:
1:2 in reducing                                                     *2:1 in mulitplying
n1 = 1000 RPM                                                      n1 = 1000 RPM
n2 = 500 RPM                                                        n2 = 2000 RPM
                                                                               *available in versions A-B-C,
                                                                                 not available in version D

                                           RADIAL AND AXIAL LOAD                                              

The loads are generated by the items connected to the gearbox and can be created for example by the pull of belt drives, accelerations and decelerations, structural misalignments, vibrations, shocks, etc. 
The loads acting on the shafts can be of two types: radial ‹Fr› (radial force) and axial ‹Fa› (axial force), referred to the axis of the shaft; when ordering specify whether the axialload is pull or push type. 

                    Fr = radial load
                    is the load acting in perpendicular direction to the shaft/axis
 
                                                        Fa = axial load
                                                        is the load acting of the shaft/axis


                                    GEARBOX LIFETIME CALCULATION                                         

THEORETIC EXPECTED LIFE* = 10.000H X Fu

         RECOMMENDED TORQUE (Nm) 
Fu = ----------------------------------
         APPLIED TORQUE (Nm)**

The lifetime of 10.000h considers the following conditions: 
- Applied torque = advised torque (see tables) 
- Maximum of 8 working hours per day 
- Working temperature 20° - No shocks
 
** Output torque actually applied 
*** Max torque applied

"To identify the most suitable gearbox for your requirements, refer to the values in the table. If the loads and efficiency are very close to the table values, contact the technical department".


  
Max torque
  Recommended torque


Max torque*** (Nm)
12
10,2
9
8
6,8
5,5
Recommended torque (Nm)
8
6,8
5,8
4,9
4,1
3,5
RPM
50
100
200
400
800
1400

                                                                                                       Efficiency = 90%

Output torque with ratio 1:2
 

  Max torque
  
Recommended torque

Max torque*** (Nm)
8,9
7,5
6,7
5,9
5
4,1
Recommended torque (Nm)
5,5
4,7
4,1
3,7
3,1
2,5
RPM
50
100
200
400
800
1400

                                                                                                  Efficiency = 90%

Output torque with ratio 2:1
 

  Max torque
  
Recommended torque

Max torque*** (Nm)
4
3,4
3
2,6
2,2
1,85
Recommended torque (Nm)
2,7
1,3
2
1,8
1,5
1,25
RPM
50
100
200
400
800
1400

                                                                                                    Efficiency = 90%