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BRUCKNER MECHANICAL FACE DRIVER CENTERS
SMM TYPE

Type SMM Mechanical Face Driver


Common Technical Features:
  • The Design - BRUCKNER aimed for minimum overhang and constrictions in the working area.  Available with Morse taper or for flange-mounting for flanges to DIN.  
  • VDS (Vibration Damping System) - The Vibration-damping element reduces vibrations occurring during operation resulting in:  Longer life of driving pins and turning tools, and Improved workpiece surfaces due to smooth running
  • Constant Point of Reference - The high-speed steel driving pins are supported by a hardened sphere segment within the basic body:  Advantages - Exact lengthwise turning, Out-of-square workpiece faces are compensated for, High operating safety
  • Easy Pin Change - The driving pins and the centerpoint can be taken out from the front.  The flats on the sides of the pins enable the user to easily extract them with a screwdriver
  • Sping-loaded Centerpoint - Compensates for varying depth of centerbores
  • Concentricity Runout - Max. 0.02 mm

Type SMM Mechanical Face Driver

Technical Data (mm):  (Check the Driving Pins Turning Range prior to determining I.D. No.)
Basic Body Incl. Draw-off Nut, Without Driving Pins Driving Pins

Type

ID No Morse Taper d1 d2 d3 d4 l1 l2 l3 ID No. Turning Range Clamping
SMM 6722 2 6 6 29 52 64 6 32 672 AL/AR/AS 13-20 12
6723
3 6 6 29 52 64 6 32
672 BL/BR/BS 17-40 16
6724 4 6 6 29 52 64 6 32
672 C/CS 21-50 20
5 6 6 29 52 64 6 32
6725
 
SMM 6733 3 12 8 43 70 78 7 46 673 AL/AR/AS 22-38 21
6734 4 12 8 43 70 79 7 46 673 BL/BR/BS 27-62 25
6735 5 12 8 43 70 81 7 46 673 C/CS 32-77 31
 
SMM 6744 4 20 10 60 86 89 8 56 674 AL/AR/AS 33-58 31
674 BL/BR/BS
40-92 37
6745 5 20 10 60 86 91 8 56
46-112 45
674 C/CS
 
SMM 6755 5 25 18 90 110 126 13 78 675 AL/AR/AS 42-90 41
675 BL/BR/BS
54-132 53
6756 6 25 18 90 110 131 13 78
66-162 65
675 C/CS

Driving Pins for Type SMM:
  • Symmetrical Form:  Forms AS, BS, and CS for right and left hand rotation during the same turning operation.
  • Saw-Tooth Form:  Form C for right or left hand rotation (by turning the cutting edge by 180).  Forms AR and BR for right hand rotation.  Forms AL and BL for left hand rotation.

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