pe 621.886.6 Apri 1968 Stressed-type Fastenings with Taper Action ‘Taper Keys with Gib He Keyways Dimensions and Application ‘Spannungsverbindungen ait Ancug, Nasenkelle, Nutes, Absessungen une Anwendung Fer connection with an 150 Recousendstion an course of preparation, see Explanatio: Dimensions in a Sharp eazee_renoved Chanter Radiue Designation of @ gib head taper key of width b = 18 am, height b= 11 am and length L125 ma: e: Gib head taper key 18 x 14 x 125 DIN 6887 Fey wide ar =e 7 Tay Besant how te [ a | s 7 rae a [9 z dianeter @ 7 x 7 Key neiene CE ESAT 7 Teyray wath ‘Shaft keyway depth Bub keyway depth radiveing keyway bottom Leagtal?) Table continued on page 2 Continued on page 2 For Notes and Footnotes, see page 2 Explanations on pace 167sage 2 DI 6887 Tae wee oar Rey Besant A Noss aia diameter 4") Key neient Tie peleRe Kevvay width meyway depth 2) Berave = o iz ee az 7 m3 oF az WeERne (AS igldm) giiOW Paces sue Keyeay depth keyway bettors? in zenetn 7) | pera.var. = So far no permissible variations have been laid down for the taper on the key and in the key- ‘special conditions make necessary the observance of certain permissible variations hese must be agreed at the tine of ordering. The dimension hy is the maximum height of the key (ess gib head) and the dimensions (4 + te) and to relate to the maximum depth of the Kegeay in the hub. St 60-1 ‘suitable half-finished product: Eey steel according to DIN 6880: other prades of steel. e.g. quality steels and high grade steels, are to be specially arreeds rm tial that the ating aim fare involved, particularly for shaft extensions, it is @ correct correlation of key cross-section to shaft diancter be observed. ) In worksnop dramings the dimensions t; and (4 - ty) as well as tp and (4 + tg) can be shom side ty the dimensions ty and (ds tz) are sufficient, At the same tine the ine and sachining allowances on the abaft and Aut bore are to be taken into account are to be chosen according to DIN 3. The permissible variations Ap berderiine ea Intersediate lengths, if unavoidabl, for the next greater length L are always to be adopt The content of this Standard agre "Keye on wich thi Kelle und Nasenkelle ‘The following apenduents and additions should be acted coupared with the February 1956x isaue of DIN 6867: a) Some of the keyway depthe in chaft and hub have been altered. They correspond with the depths for keys according to DIN 6886 a2 well aa for feather keye according to DIN 6865 Sheet 1, and with full wtiliza- Hon of the tolerances ox Keynay depth they ensure oversi O.t as up to the 6x8 key O12 wm from the 8 7 up to 32 x 18 key, and 0:3 ae from and including the 36 x 20 key referred each tine to the soninal beight of the key. The values for chanfering and radiveing the keys and for radiusing the Keyway botton have also altered is Det no difficulty is regard to interchangesbility need be feared on this €) The former lengthe 515 and 355 am heve been replaced by lengths 320 and 360 am. 4) The gid heights be have ea keys from 63 % 32 and including the 90 x 45 siti The chasferiang of the gib bead hi sed frou 302 to. 600 168