www.jbj.co.uk/couplings.html#flender 32 #DriveLineHarmony Customized Hub Design Torsionally Rigid Gear Couplings The minimal hub lengths are not to fall below the standard hub lengths. If there‘s no other possibility, for hub lengths smaller than standard hub lengths the order codes "Y50" for part 1 and "Y51" for part 2must be stated in plain text. Further information or questions please contact jbj Techniques Ltd. technical office, telephone: +44 (0)1737 767493 or email: info@jbj.co.uk Ordering code: 2LC0330-2AA99-0AA0-Z L1GM1HY38Y39Y41Y46 » Hub right: Bore D2 = 75H7 mm, keyway to DIN 6885-1 P9and set screw; NL2 = 75mm; SF2 = 25mm. Plain text toY38: SF1 = 10mm The product code of the respective ZAPEX coupling type must be supplemented with "-Z" and order codes for non standard SF-dimensions (order code "Y38" for part 1 and "Y39" for part 2). For no standard hub lengths the order Plain text toY46: NL1 = 110mm » ZAPEX coupling ZNN 130, variant A • Hub left: Bore D1 = 70H7 mm, keyway to DIN 6885-1 P9 and set screw; NL1 = 110mm; SF1 = 10mm. Plain text toY39: SF2 = 25mm Plain text toY41: NL2 = 75mm Ordering example codes "Y40" to "Y49" must be specified (see Page 5/17). G_MD10_EN_00184 Part 2 Part 1 Part 2 Part 1 Interstice Interstice NL Special NL Standard NL Special S = SF1 + SF2 S = SF1 + SF2 SF1 min. SF2 max. SF1 max. SF2 min. NL Standard ZAPEX couplings can be provided with customized S-dimensions and hub lengths. The entire dimension S results from the sum of the individual measurements SF1 and SF2. SF1 and SF2 are the measurements from the interstice of the coupling ring flange up to the beginning of the respective hub. As standard SF1 and SF2 are identical to each other and the entire S-dimension arises in accordance with them. SF1 and SF2 can be chosen different on customer request, however the minimal and maximum values of the following table have to be observed. Within these limits the measurements SF1 and SF2 may be chosen freely. The distance VA of the coupling teeth, the permitted bore diameter and the hub diameter remain unchanged. By stating the hub Sdimension and both hub lengths the coupling is completely described. Standard Minimal Maximum 130 62 1.5 32 Geometric Data NL SF1 or SF2 SF1 or SF2 (mm) (mm) (mm) 83 43 1.5 22 107 50 1.5 23.5 211 105 3 51 Hub Length Dimension Dimension Size 364 190 4 92 250 120 3 59 181 90 2.5 43.5 424 220 5 100 274 135 4 64.5 333 175 4 85 156 76 2.5 36.5 307 150 4 72
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