AFHK series (2 stage)

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  • High torque right-angle hypoïd gearbox
  • Special design for continuous (S1) or cyclic (S5) duty operation
  • Steel housing/aluminum, aluminum black anodized motor adapter flange
  • Steel output shaft with or without key, with spline (DIN5480) or hollow shaft
  • Helical gear design
  • Nominal torques:
    • T2N : 24 Nm - 3.340 Nm
  • Ratios
    • 2-stage : 12 / 16 / 20 / 25 / 28 / 35 / 40 / 50 / 70 / 100
  • Low backlash
    • 2-stage : ≤ 2 arcmin / ≤ 3 arcmin
  • High efficiency
    • 2-stage : ≥ 94%
  • Easy mount
  • Low noise
  • Compact structure
  • Sizes available: AFHK060 / AFHK075 / AFHK100 / AFHK140 / AFHK180 / AFHK210 / AFHK240
Model No. Stage Ratio¹ AFHK060 AHFK075 AFHK100 AFHK140 AFHK180 AFHK210 AFHK240
Nominal Output Torque T2N Nm 2 12 95 195 360 615 1,315 1,680 3,280
16 95 200 360 615 1,320 1,680 3,280
20 95 200 360 615 1,320 1,775 3,335
25 80 170 310 535 1,165 1,775 3,335
28 92 200 360 615 1,325 1,560 3,000
35 80 170 310 535 1,170 1,775 3,000
40 60 160 340 615 1,325 1,440 2,400
50 50 170 310 535 1,170 1,775 3,000
70 60 130 250 440 990 1,510 2,550
100 24 55 160 290 655 1,005 1,685
Emergency Stop Torque T2Not Nm 2 12~100 2 times T2N
Max. Acceleration Torque T2b Nm 2 12~100 1.5 times T2N
No Load Running Torque(2) NM 2 12~100 1 1.3 2 3.1 6 13 16
Backlash(3) arcmin 2 12~100 ≤3 ≤2 ≤2 ≤2 ≤2 ≤2 ≤2
Torsional Rigidity Nm/arcmin 2 12~100 4.6 10 30 55 175 300 510
Nominal Input Speed n1N rpm 2 12~100 3,000 3,000 2,800 2,700 2,200 2,100 2,000
Max. Input Speed rpm 2 12~100 6,000 6,000 6,000 4,500 4,500 4,000 3,000
Max. Radial Load F2r(4) N 2 12~100 3,000 4,500 6,700 10,000 15,000 22,000 30,000
Max. Axial Load F2a(4) N 2 12~100 1,500 2,250 3,350 5,000 7,500 11,000 15,000
Max. Tilting Moment M2k(4) Nm 2 12~100 160 270 550 1,050 1,740 3,350 5,420
Service Life(5) hr 2 12~100 20,000
Operating Temp. °C 2 12~100 -10º C ~ 90º C
Degree of Gearbox Protection 2 12~100 IP65
Lubrication 2 12~100 Synthetic lubrication grease
Mounting Position 2 12~100 All directions
Running Noise (6) dB(A) 2 12~100 ≤64 ≤66 ≤68 ≤68 ≤70 ≤70 ≤72
Efficiency % 2 12~100 ≥94%

(1) Ratio ( i = N in / N out)
(2) These values are measured by gearbox with ratio 100 (2-stage) at 3,000 rpm no loading.
(3) Backlash is measured at 2% of Nominal Output Torque T2N
(4) Applied to the output shaft center at 100 rpm.
(5) Continuous operation is not recommended.
(6) These values are measured by gearbox with ratio 10 (1-stage) or ratio 100 (2-stage) at 3,000 rpm no loading.
By lower ratio and/or higher RPM, the noise level could be 3 to 5 dB higher.


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Model No. AFHK060 AFHK075 AFHK100 AFHK140 AFHK180 AFHK210 AFHK240
Ø(A)  C3 2-st 2-st 2-st 2-st 2-st 2-st 2-st
8 kg.cm2 0.10 - - - - - -
11 0.16 0.17 - - - - -
14 0.20 0.37 0.41 - - - -
19 - 0.60 1.61 1.61 - - -
24 - - 3.90 4.01 5.62 - -
28 - - - 5.53 5.62 - -
32 - - - 7.57 8.11 8.11 -
35 - - - 14.95 15.32 15.32 15.68
38 - - - 17.58 17.72 17.72 18.52
42 - - - - 22.95 22.95 23.74
48 - - - - 52.74 52.74 53.49
55 - - - - - - 87.34

(A) Ø = Input shaft diameter.


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AFHK060 AFHK075 AFHK100 AFHK140 AFHK180 AFHK210 AFHK240
D1 68 85 120 165 215 250 290
D2 5.5 7 9 11 13.5 17 17
D3 h6 16 22 32 40 55 75 85
D4 g6 60 70 90 130 160 180 200
D5 18.5 25.8 36.8 55.2 69.2 82.2 92.2
D6 M5 x 0.8P M8 x 1.25P M12 x 1.75P M16 x 2P M20 x 2.5P M20 x 2.5P M20 x 2.5P
D7 h6 16 22 32 40 55 75 85
D9 H6 15 20 30 40 55 - -
D10 h8 18 24 36 50 68 - -
L1 62 76 101 141 182 215 245
L2 28 36 58 82 82 105 130
L3 20 20 30 30 30 38 40
L4 2 2.5 3 3 3 3 3
L5 25 32 50 63 70 90 125
L6 2 2 4 5 6 7 3
L7 6 7 10 12 15 17 22
L9 4.8 7.2 10 12 15 15 15
L10 12.5 19 28 36 42 42 42
L17 26 26 26 40 41.5 52 60
L18 15 15 15 20 21.5 28 36
L19 21 22.5 23 33.5 33.5 45 53
L20 12 14 18 22 23 - -
L21 22 22 32 33 32 - -
L22 19 21 25 30 30 - -
L23 2 2.5 2.5 2.5 2.5 2.5 4
L24 0.3 0.4 0.4 0.4 0.4 0.4 0.5
B1 h9 5 6 10 12 16 20 22
H1 18 24.5 35 43 59 79.5 90
X DIN5480 W16x0.8x30x18x6m W22x1.25x30x16x6m W32x1.25x30x24x6 W40x2x30x18x6m W55x2x30x26x6m W70x2x30x34x6m W80x2x30x38x6m

(1) Dimensions are related to motor interface. Please contact APEX for details.

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