1、UDC 614.914.22 DEUTSCHE NORM September 1991 DIN 851 T-slot cutters with parallel shanks Dimensions Part 1 T-Nutenfrser mit Zylinderschat; MaBe Supersedes April 1989 edition. In keeping with current practice in standards published by the International Organization for Standardization (/SO), a comma h
2、as been used throughout as the decimal marker. See Explanatory notes for connection with International Standard IS0 3337 : 1978 published by the International Organiza- tion for Standardization (ISO). Dimensions in mm 1 Field of application This standard specifies dimensions of T-slot cutters with p
3、arallel shanks which are intended for manufacturing T-slots as specified in DIN 650. 2 Dimensions and designation Details left unspecified are to be selected as appropriate. Type AA, with plain parallel shank Type A parallel shank as in DIN 1835 Part 1 Type AB, with flatted parallel shank Type B par
4、allel shank as in DIN 1835 Part 1 .- -. Dimensions as for type AA Type AD, with screwed shank Type D parallel shank as in DIN 1835 Part 1 Dimensions as for type AA Type AE, with sloping clamping face Type E parallel shank as in DIN 1835 Part 1 Dimensions as for type AA Designation of a T-slot cutter
5、 with plain parallel shank, with a diameter, dl, of 32 mm and a width, b, of 14 mm. tool applica- tion group N, made from high-speed steel of alloy group HSS: Cutter DIN 851 - AA 32 x 14 N - HSS Continued on pages 2 and 3 uth Verlag GrnbH, Berlin. has the exclusive right of sale for German Standards
6、 (DIN-Normen). DIN 851 Part 1 Enal. Price arom 10.92 - -. Sales No.0106 Page 2 DIN 851 Part 1 dl 11 12,5 16 18 21 25 32 40 50 60 Table 2. r1 O - 0.2 0.6 0,6 1 1 3 Material The material of T-slot cutters shall comply with the specifi- cations of DIN 851 Part 3. 4 Design The standard design of cutters
7、 is without rounded corners. If rounding of corners to the radii specified in table 2 is re- quired, this shall be indicated in the designation (mR). Des- ignation of a T-slot cutter with plain parallel shank (AA) and rounded corners (mR), with a diameter, di, of 32mm, a width, b, of 14 rnrn, tool a
8、pplication group N, made from high-speed steel of alloy group HSS: Cutter DIN 851 - AA 32 X 14 N - MR - HSS Note. The designation shall maintain the sequence of char- acteristics given in DIN 851 Part 3. r2 O - 0.2 1 1.6 2.5 For details of design, see DIN 851 Part 3. 5 Marking Marking of cutters sha
9、ll be as specified in DIN 851 Part 3. Standards referred to DIN 650 Dimensions of T-slots for machine tools DIN 851 Part 3 T-slot cutters; technical delivery conditions DIN 1835 Part 1 Parallel shanks for milling cutters; dimensions IS0 3337 : 1978 T-slot cutters with plain or flatted parallel shank
10、s and with Morse taper shanks having tapped hole; metric series Other relevant standards DIN 851 Part 2 T-slot cutters with Morse taper shank; dimensions DIN 1836 Tool application groups for cutting tools Previous editions DIN 851 : 07.26, 01.57; DIN 851 Part 1 : 11.74, 06.81, 04.89. Amendments The
11、following amendments have been made to the April 1989 edition. a) Specifications for cutters not to be used for new designs are no longer included. b) For dl = 1 1 mrn, a value of 4 mrn instead of 3.5 rnm has been specified for b. DIN 851 Part 1 Page 3 Explanatory notes Most of the dimensions of cut
12、ters specified in this standard comply with those specified in subclause 3.1 of International Stand- ard IS0 3337 : 1978*), which does not cover types AD and AE cutters. As a departure from the IS0 Standard, length 12 does not include the tapered transition on the cutter shank. International Patent Classification 0 23 C 3/28 0 23 C 5/02 *) IS0 Standards may be obtained from Beuth Verlag GmbH (Auslandsnormenvermittlung), BurggrafenstraBe 6, 0-1000 Berlin 30.
