KMT STELLRAM - каталог решений для высокопроизводительного фрезерования - 2014 год EN

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                                                                                                                                                         Technical Information

7700VR Technical Information

                                                          Working Diameter:

                                                          Dw =	 D2 + 2 x                                     r2 - (r -ap)2

r                                  ap                     	 					

               D2                                         where:	Dw	 =	 Working Diameter
              Dw
                                                          				                         D2		 =	 Diameter of cutter insert centre to centre

                                                          				                         r		 =	 Insert radius

                                                          				                         ap	 	 = 	Axial Depth of Cut

7710VR Technical Information

                                                                                       Formula to find programmed feed rate based on radial engagement and

                                                                                       axial depth of cut.	                             hm 	
                                                                                                               							
                                                                                                                   fz =

                                                                                                             r2  -(r       -  ae)2            r2  -  (r  -  ap)   2
                                                                                                             	                                	
                                                                                                                                       x
 where:                                                                                                                 r                             r
	fz	 =	 Feed per tooth
	hm	=	 Average chip thickness  	ae	= Radial Depth of Cut
	r	 =	 Insert radius           	ap	 = Axial Depth of Cut

                                                                                       Formula to calculate the average chip thickness hm in relation with radial
                                                                                       engagement and depth of cut.	

                                                                                                                 r2  -  (r    -  ae )2            r2  -  (r    -  ap)2
                                                                                                                 	                                	
                                                                                       hm = fz x                                          x
                                                                                                                           r                                r

Simplified formulas to evaluate hm and fz based on radial engagement or depth of cut.

Calculation of the average chip thickness in relation with the D.O.C. (Axial)

Formula: Programme Feed Rate (fz)  hm	 =	Average chip thickness                        Formula: Average Chip Thickness (hm)
                                   ap	 =	Depth of cut
fz = hm x          d               fz	 =	Feed per tooth                                                      hm = fz x                        ap
                   ap              d	 = 	Insert diameter                                                                                      d

Calculation of the average chip thickness in relation with the ae (Radial Engagement) if ae is less than 50% of Dia.

Formula: Programme Feed Rate (fz)  hm	 =	Average chip thickness                        Formula: Average Chip Thickness (hm)
                                   ae	 =	Radial engagement
fz = hm x          d               fz	 =	Feed per tooth                                                      hm = fz x                        ae
                   ae              d	 = 	Cutter diameter                                                                                      d

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