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66/4

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)
• Anodized aluminium case, stainless steel shafts AISI 303
• Torque 4 Nm
• Radial load 15 kg - axial load 1,5 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 Ø8
   (see section "Overall dimensions")
• Weight: 2 outputs gr. 145; 3 outputs gr. 150

➜ Available on request:
▪ Output shafts male / female Ø10 - Ø12 - Ø14 in versions A-B-C
▪ Version with case in stainless steel AISI 303
▪ Models with spiral bevel gears available in all versions. The 'SP' spiral gearboxes allow high precision, silent operation, and 30% increased output torque.
▪ Grease fitting for continuous use

Photogallery

OUTPUT SHAFTS
 
M = male  
    

F = female 
                                                          

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


VERSION  "A" M-M



VERSION "A" M-F
 

VERSIONE  "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

               

1. 2 x set screws M4
2. through female shaft 

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



1. 2 x set screws M4
2. through female shaft 

VERSION  "E" M-M-M-M



VERSION  "E" F-F-F-F



1. 2 x set screws M4
2. Through shafts

 

REPRESENTATION OF DIRECTION
⟪A⟫ ⟪B⟫ ⟪C⟫
⟪D⟫ ⟪E⟫
The direction of rotation depends from the configuration and from the positioning; see “Versions with dimension drawings”

 

REPRESENTATION OF BEVEL GEARS

Fig. 1

Fig. 2

Straight bevel gears

Spiral bevel gears 'SP'
The spiral (Fig. 2) gearboxes allow high precision, silent operation, and 30% increased output torque.

 

REPRESENTATION OF REDUCTION AND MULTIPLYING RATIOS                                                    
Fig. 3 Fig. 4
Fig. 5 Fig. 6 
   

The ratio (Fig. 5-6) and configuration is determined by the n1 shaft always shown in the bottom of the drawing), the others shaft following  clockwise (Fig. 3-4).

 

     RADIAL AND AXIAL LOAD 
Fig. 7  
      Fr = max 150 N radial load, is the load acting in perpendicular direction to the shaft/axise   

Fa  = max 15 N axial load, is the load acting of the shaft/axis  
T = 4 Nm output torque

The loads acting on the shafts can be of two types, referred to the axis of the shaft (Fig. 7): : 
Fr - radial load 
Fa - axial load, when ordering specify whether the axial load is 'pull' or 'push' type. 
«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.» 

 COUPLING BUSHES 2 piece bushing to couple gearboxes and shafts.

 
Available bores Ø: 6 - 8 -10 -14.
➜ for more complete information, see sec. "Flexible & semi-rigid shafts,..." in the drop-down menu on the left. 

Support units (with square flange) with o.ring, and ball-bearings.
• Available shafts Ø6, Ø8, Ø10, Ø14, Ø20.
They can be used severally on screws, female screws, shafts or can be combined with our gearboxes, flexible shafts, and our position indicators type “OP”.
➜ for more complete information, see sec. "Flexible & semi-rigid shafts,..." in the drop-down menu on the left. 

Flanged supports with extension shaft for coupling with position indicators.
➜ for more complete information, see sec. "Flexible & semi-rigid shafts,..." in the drop-down menu on the left. 

The «GC» cardan joints used for the transmission of torque and movement of non-aligned elements.
Main features: universal application, high reliability, maintenance free, extremely precise and ease-of-use.  
• Case entirely machined from solid, in stainless steel AISI303.
• Sliding bushes in self-lubricating plastic material, suitable for intermittent (UI) and continuous movements (UC).
• Maximum working angle 45 °.
• Available bores: ø6 - ø8 (combinable with each other);  ø10 - ø14 (combinable with each other).

➜ for more complete information, see sec. "Flexible & semi-rigid ..." in the drop-down menu on the left.

Telescopic shaft combinable with cardan joints CG.-
• Case in stainless steel AISI303; sliding bushes in self-lubricating plastic material.

➜ for more complete information, see sec. "Flexible & semi-rigid ..." in the drop-down menu on the left.

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OUTPUT TORQUE WITH RATIO 1/1



Efficiency = 90%

OUTPUT TORQUE WITH RATIO 1/2

 

Efficiency = 90%

OUTPUT TORQUE WITH RATIO 2/1

 

Efficiency = 90%