DIN 264-2-1973 Round Screw Thread with Clearance and Flat Flank with Pitch 7 mm Limiting Dimensions of Screw Threads and Allowances Permissible Deviations and Permissible Wear of S.pdf

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1、IDC 621.882.082.6 : 625.2 DEUTSCHE NORMEN May 1973 DIN 264 Round Screw Thread with Clearance and Flat Flank with Pitch 7 mm Limiting Dimensions of Screw Threads and Allowances Permissible Deviations and Permissible Wear of Screw Thread Gauges Part 2 Rundgewinde mit Spiel und flacher Flanke mit Steig

2、ung 7 mm; Gewindegrenzmae und Abmae - Zulssige Abwei- chungen und zulssige Abnutzungen der Gewindelehren Dimensions in mm Allowances and tolerances in prn l Limiting dimensions of screw threads and allowances I Nut Outside Bolt Nominal diameter Outside Minor Pitch diam- Minor Pitch of pikk diameter

3、diameter diameter diame ter diameter d dl d2 Di) Dl D2 SClX?W thread p Allow- Allow- Allow- Allow- Allow max. min. ance max. min. ance max. min. ance min. min. max. ance min. max. ance 50 7 50 49,6 -400 o 43 42,6 -400 46,s 62 -300 o 50,6 43,6 44 +y 47,3 47,6 +ioo The maximum boit diameters and the m

4、inimum nut diameters correspond to the nominal dimensions of screw threads in accordance with DIN 264 Part 1. 1) The maximum outside diameter D of the nut is not laid down numerically. Testing according to DIN 5606 Part 2 Continued on page 2 Sola sele rights of German Standards (DIN-Normen) are with

5、 Eeuth Verlag GmbH. Berlin hand Kln 1 DIN 264 Teil 2 engl. Preiw; 4 09.80 Vem.-Nr. O1 04 Page 2 DIN 264 Part 2 Outside Pitch Minor diameter diameter diameter Gauges Ha worn Hf worn Hk worn Thread,Go“pluggauge I 25 -60 O i 15 -60 O k25 -60 o +60 -+25 +:O Nut thread - - Thread ,Not-Go - - + 30 - Plug

6、gauge O c60 215 o Thread ,GO“ ring gauge -+ 25 o Permissible deviations and permissible wear of the screw thread gauges Half Guide angle shortened Length flank P A$ length Of gauge Pitch included value for in minutes A P2) 12 +24 - +_ 12 f24 1 2to3P 55 55 - - . - . 2l Thread ,GO“ ring gauge L Thread

7、 ,GO“ i! Plug gauge L Theoretical profile of bolt I Theoretical profile of nut Bolt thread - o- - f12 k24 1 4P - 0- - I12 t24 - - 30 ,GO“ Thread setting gauge 2to3P - 30 ,Not-Go“ The values for permissible deviations and permissible wear of the gauges relate to the limiting dimensions of screw threads as specified dimensions of the gauges. 2) The permissible deviations for the pitch apply to a measurement over an arbitrary length within the engagement length of the screw (length of gauge).