1、May 2008DEUTSCHE NORM Translation by DIN-Sprachendienst.English price group 6No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Nor
2、men).ICS 21.180!$WbU“1526350www.din.deDDIN 6336Star gripsSterngriffeSupersedesDIN 6336:1996-01www.beuth.deDocument comprises 9 pagesIn case of doubt, the German-language original should be consulted as the authoritative text.DIN 6336:2008-05 2 Contents Page Foreword 3 1 Scope 4 2 Normative reference
3、s 4 3 Dimensions and designation 5 3.1 Types. 5 4 Material . 9 4.1 Material for star knobs 9 4.2 Material for threaded bush for type K knobs 9 4.3 Material for stud bolts for type L knobs 9 5 Finish . 9 DIN 6336:2008-05 3 Foreword This standard has been prepared by Technical Committee NA 121-06-01 A
4、A Bedienteile of the Normenausschuss Werkzeuge und Spannzeuge (Tools and Clamping Devices Standards Committee). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. DIN shall not be held responsible for identifying any or all such pate
5、nt rights. Amendments This standard differs from DIN 6336:1996-01 as follows: a) Additional lengths have been included for Type L star knobs with a diameter d1of 25 mm and more. b) Polyamide (PA) is now also included as a suitable material. c) The standard has been editorially revised. Previous edit
6、ions DIN 6336: 1951-05, 1968-05, 1996-01 DIN 6336:2008-05 4 1 Scope Star knobs as specified in this standard are used, for example, in mechanical engineering, industrial plant, machine tools, medical devices and chemical plant equipment. 2 Normative references The following referenced documents are
7、indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. DIN 76-1, Thread run-outs and thread undercuts for ISO metric threads in accordance with
8、 DIN 13-1 DIN 16901, Plastics mouldings Tolerances and acceptance conditions for linear dimensions DIN EN 573-3, Aluminium and aluminium alloys Chemical composition and form of wrought products Part 3: Chemical composition and form of products DIN EN 1561, Founding Grey cast iron DIN EN 1706, Alumin
9、ium and aluminium alloys Castings Chemical composition and mechanical properties DIN EN ISO 1874-1, Polyamide (PA) moulding and extrusion materials Part 1: Designation DIN EN ISO 4042, Fasteners Electroplated coatings DIN EN ISO 14526-1, Phenolic powder moulding compounds (PF-PMCs) Part 1: Designati
10、on system and basis for specifications DIN ISO 2768-1, General tolerances Tolerances for linear and angular dimensions without individual tolerance indications DIN ISO 13715, Technical drawings Edges of undefined shape Vocabulary and indication on drawings DIN 6336:2008-05 5 3 Dimensions and designa
11、tion Details left unspecified are to be selected as appropriate. General tolerance: ISO 2768 m 3.1 Types 3.1.1 Metal types Figure 1 Type A: metal blank without hole Figure 2 Type B: knob with through-hole Figure 3 Type C: knob with blind hole 7 recessesDIN 6336:2008-05 6 Figure 4 Type D: knob with t
12、apped hole Figure 5 Type E: knob with tapped blind hole Designation of a type B star knob made of grade EN-GJL-200 (GJL) cast iron, with a diameter d1of 50 mm: Star knob DIN 6336 B 50 GJL Table 1 Dimensions of metal star knobs Dimensions in millimetres d1d2d3H7 d46H d5d6h1h2h3t1min. t232 12 6 M6 6,4
13、 26 21 20 10 12 10 40 14 8 M8 8,4 34 26 25 13 15 13 50 18 10 M10 10,5 42 34 32 17 18 16 63 20 12 M12 13 52 42 40 21 22 20 80 25 16 M16 17 64 52 50 25 28 20 DIN 6336:2008-05 7 3.1.2 Types made from moulding materials Tolerances shall comply with DIN 16901. Figure 6 Key dimensions for types made from
14、moulding materials Key 1 Thread runout to DIN 76-1 Figure 7 Type K: knob with threaded bush Figure 8 Type L with stud bolt Designation of a type L star knob made of phenolic resin (PF), with a diameter d1of 40 mm and a length, l, of 30 mm: Star knob DIN 6336 L 40 30 PF 7 recessesDIN 6336:2008-05 8 T
15、able 2 Dimensions of star knobs made from moulding materials Dimensions in millimetres d1d46H/6g d6d7h3h4l t3min. 15 20 M4 16 10 7 13 20 6,5 15 20 25 M5 20 12 8 16 25 9,5 20 30 32 M6 26 14 10 20 40 12 20 30 40 40 M8 34 18 13 25 50 14 25 30 40 50 M10 42 22 17 32 50 18 30 40 50 63 M12 52 26 21 40 60 2
16、2 30 40 50 80 M16 64 35 25 50 60 30 DIN 6336:2008-05 9 4 Material 4.1 Material for star knobs The material used for star knobs shall be at the manufacturers discretion. Examples of suitable material are given in Table 3. Table 3 Suitable material for star knobs Type Standard Designation in example D
17、IN EN 1561, Founding Grey cast iron GJL Types A to E Aluminium Casting alloy to DIN EN 1706 or wrought alloy to DIN EN 573-3 AL DIN EN ISO 14526-1, Phenolic powder moulding compounds (PF-PMCs) Part 1: Designation system and basis for specifications PF Types K and L DIN EN ISO 1874-1, Polyamide (PA)
18、moulding and extrusion materials Part 1: Designation PA 4.2 Material for threaded bush for type K knobs Threaded bushes shall be made of steel (St) or CuZn alloy (grade at the manufacturers discretion). Other materials shall be subject to agreement. Steel bushes shall be provided with an A2F electro
19、plated zinc coating to DIN EN ISO 4042. The minimum thickness of the coating shall be at the manufacturers discretion. 4.3 Material for stud bolts for type L knobs Stud bolts shall be made of steel (St) (grade at the manufacturers discretion). Other materials shall be subject to agreement. Stud bolt
20、s shall be provided with an A2F electroplated zinc coating to DIN EN ISO 4042. The minimum thickness of the coating shall be at the manufacturers discretion. 5 Finish Thermoset star knobs shall be black (RAL 9005), with a bright finish. Thermoplastic star knobs shall have a matt finish. Star knobs shall be free of burrs as in DIN ISO 13715.
