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

7713VR                                  для размещения заказа - kennametal@kennametal.su
Technical Information

7713VR Technical Information

                                                          Working Diameter:

                                                          Formula to evaluate the correct working diameter

                                                          based                              on  axial  depth  of  cut  (ap).
                                                          	

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

                                    D2                    	 					
                                    Dw
                                                          where:	Dw	 =	 Working Diameter

                                                          				                                          D2		 =	 Diameter of cutter insert centre to centre

                                                          				                                          r		 =	 Insert radius

                                                          				                                          ap		 = 	Axial Depth of Cut

7713VR 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 axial depth of cut or radial engagement.

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

42 www.kennametal.su

                                                               для заказа - kennametal@kennametal.su