A compact two-disc cycloidal reducer, Ø120 x 90 mm housing, 30 fixed ring rollers, two 29-lobe discs on 180°-phased eccentric journals, output via pins with sleeves into a flanged output shaft. It is fully parametric, so setting rollers=36 regenerates a 35:1 variant.
| Ratio | 29 : 1 (reversing); 35 : 1 with 36 rollers |
|---|---|
| Output per input rev | -12.414 deg (signed) |
| Eccentricity | 1.2 mm |
| Roller pitch circle / pin | Ø84 / Ø6 x 30 |
| Output hole | Ø12.6 on PCD 48 (6x) |
| Housing | Ø120 x 90 |
| Overall size | 120 × 120 × 138 mm |
| Parts | 63 |
| Material | Steel (S235) |
| Mass (calculated) | 5763.6 g |
| General tolerance | ± 0.2 mm (ISO 2768-m) |
| Process | machining |
| 2× | Deep groove ball bearing 6003 ISO 15 |
| 2× | Deep groove ball bearing 6001 ISO 15 |
| 1× | Deep groove ball bearing 6006 ISO 15 |
| 8× | Socket head cap screw M4x16 ISO 4762 |
| 01 | housing_ring 120 × 120 × 70 mm · 2968.2 g |
| 02 | input_cover 120 × 120 × 10 mm · 836.7 g |
| 03 | output_cover 120 × 120 × 10 mm · 719.6 g |
| 04 | input_shaft 19.4 × 17 × 56 mm · 62.2 g |
| 05 | cycloid_disc_a 80.08 × 80.19 × 7 mm · 176.8 g |
| 06 | cycloid_disc_b 80.08 × 80.19 × 7 mm · 176.8 g |
| 07 | separator 72 × 72 × 1 mm · 21.6 g |
| 08 | ring_pin_0 6 × 6 × 17 mm · 3.8 g |
| 09 | ring_pin_1 6 × 6 × 17 mm · 3.8 g |
| 10 | ring_pin_2 6 × 6 × 17 mm · 3.8 g |
| 11 | ring_pin_3 6 × 6 × 17 mm · 3.8 g |
| 12 | ring_pin_4 6 × 6 × 17 mm · 3.8 g |
| 13 | ring_pin_5 6 × 6 × 17 mm · 3.8 g |
| 14 | ring_pin_6 6 × 6 × 17 mm · 3.8 g |
| 15 | ring_pin_7 6 × 6 × 17 mm · 3.8 g |
| 16 | ring_pin_8 6 × 6 × 17 mm · 3.8 g |
| 17 | ring_pin_9 6 × 6 × 17 mm · 3.8 g |
| 18 | ring_pin_10 6 × 6 × 17 mm · 3.8 g |
| 19 | ring_pin_11 6 × 6 × 17 mm · 3.8 g |
| 20 | ring_pin_12 6 × 6 × 17 mm · 3.8 g |
| 21 | ring_pin_13 6 × 6 × 17 mm · 3.8 g |
| 22 | ring_pin_14 6 × 6 × 17 mm · 3.8 g |
| 23 | ring_pin_15 6 × 6 × 17 mm · 3.8 g |
| 24 | ring_pin_16 6 × 6 × 17 mm · 3.8 g |
| 25 | ring_pin_17 6 × 6 × 17 mm · 3.8 g |
| 26 | ring_pin_18 6 × 6 × 17 mm · 3.8 g |
| 27 | ring_pin_19 6 × 6 × 17 mm · 3.8 g |
| 28 | ring_pin_20 6 × 6 × 17 mm · 3.8 g |
| 29 | ring_pin_21 6 × 6 × 17 mm · 3.8 g |
| 30 | ring_pin_22 6 × 6 × 17 mm · 3.8 g |
| 31 | ring_pin_23 6 × 6 × 17 mm · 3.8 g |
| 32 | ring_pin_24 6 × 6 × 17 mm · 3.8 g |
| 33 | ring_pin_25 6 × 6 × 17 mm · 3.8 g |
| 34 | ring_pin_26 6 × 6 × 17 mm · 3.8 g |
| 35 | ring_pin_27 6 × 6 × 17 mm · 3.8 g |
| 36 | ring_pin_28 6 × 6 × 17 mm · 3.8 g |
| 37 | ring_pin_29 6 × 6 × 17 mm · 3.8 g |
| 38 | output_pin_0 6 × 6 × 54 mm · 12.0 g |
| 39 | pin_sleeve_0 10 × 10 × 15 mm · 5.9 g |
| 40 | output_pin_1 6 × 6 × 54 mm · 12.0 g |
| 41 | pin_sleeve_1 10 × 10 × 15 mm · 5.9 g |
| 42 | output_pin_2 6 × 6 × 54 mm · 12.0 g |
| 43 | pin_sleeve_2 10 × 10 × 15 mm · 5.9 g |
| 44 | output_pin_3 6 × 6 × 54 mm · 12.0 g |
| 45 | pin_sleeve_3 10 × 10 × 15 mm · 5.9 g |
| 46 | output_pin_4 6 × 6 × 54 mm · 12.0 g |
| 47 | pin_sleeve_4 10 × 10 × 15 mm · 5.9 g |
| 48 | output_pin_5 6 × 6 × 54 mm · 12.0 g |
| 49 | pin_sleeve_5 10 × 10 × 15 mm · 5.9 g |
| 50 | output_shaft 60 × 60 × 45 mm · 283.4 g |
| 51 | ecc_bearing_a 35 × 35 × 10 mm · 45.6 g |
| 52 | ecc_bearing_b 35 × 35 × 10 mm · 45.6 g |
| 53 | input_bearing_a 28 × 28 × 8 mm · 24.8 g |
| 54 | input_bearing_b 28 × 28 × 8 mm · 24.8 g |
| 55 | output_bearing 55 × 55 × 13 mm · 135.6 g |
| 56 | cover_bolt_0 7 × 7 × 20 mm · 2.6 g |
| 57 | cover_bolt_1 7 × 7 × 20 mm · 2.6 g |
| 58 | cover_bolt_2 7 × 7 × 20 mm · 2.6 g |
| 59 | cover_bolt_3 7 × 7 × 20 mm · 2.6 g |
| 60 | cover_bolt_4 7 × 7 × 20 mm · 2.6 g |
| 61 | cover_bolt_5 7 × 7 × 20 mm · 2.6 g |
| 62 | cover_bolt_6 7 × 7 × 20 mm · 2.6 g |
| 63 | cover_bolt_7 7 × 7 × 20 mm · 2.6 g |