www.jbj.co.uk/couplings.html#flender 18 #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 codes "Y40" to "Y49" must be specified (see table on following page). » ZAPEX coupling ZWN 175, variant A. Plain text toY46: NL1 = 160mm. Plain text toY41: NL2 = 100mm. Plain text toY39: SF2 = 25mm. Ordering example Article no.: 2LC0300-3AA99-0AA0-Z L1GM1HY38Y39Y41Y46 Plain text toY38: SF1 = 10mm. Article number The Article number 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 » Hub left: Bore D1 = 70H7 mm, keyway to DIN 6885-1 P9 and set screw; NL1 = 160mm; SF1 = 10mm. » Hub right: Bore D2 = 75H7 mm, keyway to DIN 6885-1 P9and set screw; NL2 = 100mm; SF2 = 25mm. 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 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 S-dimension and both hub lengths the coupling is completely described. 198 100 4 49.5 255 125 5 62.5 Hub Length Dimension Dimension Size 465 240 8 146 Standard Minimal Maximum 415 220 6 127 112 50 3 23 NL SF1 or SF2 SF1 or SF2 Geometric Data (mm) (mm) (mm) 128 60 3 30.5 146 75 3 36.5 175 90 4 43 230 110 4 54 315 160 5 79 342 180 6 94 290 140 5 71 375 200 6 103 505 260 8 160
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