EK7 ELASTOMER COUPLING WITH EXPANDING SHAFT
Especificações EK7
| EK7 Série | |
| Type | |
| Rated torque (Nm) | TKN |
| Inside diameter possible from Ø to Ø H7 (mm) | D1 |
| Inside diameter of elastomer (mm) | DE |
| Outside diameter (mm) | B |
| Outside diameter with screw head (mm) | BS |
| Moment of inertia D1 (10-3 kgm2) | J1 |
| Moment of inertia D2 (10-3 kgm2) | J2 |
| Approximate weight (kg) | |
| Fastening screw (ISO 4762) | E1 |
| Fastening screw (ISO 4762) | E2 |
| Distance between centerlines (mm) | F |
| Distance (mm) | G |
| Speed standard (min -1) | |
| Speed balanced (10³min-1) | |
| Mounting length (mm) | C1 |
| Fit length (mm) | C2 |
| Outside diameter range h7 (mm) | D2 |
| Maximum torque* (Nm) | TKmax |
| Overall length (mm) | A |
| Tightening torque | E1 |
| Tightening torque (Nm) | E2 |
| Length (mm) | H |
| CAD Portal |
| EK7 Série | |
| Type | |
| Rated torque (Nm) | TKN |
| Inside diameter possible from Ø to Ø H7 (mm) | D1 |
| Inside diameter of elastomer (mm) | DE |
| Outside diameter (mm) | B |
| Outside diameter with screw head (mm) | BS |
| Moment of inertia D1 (10-3 kgm2) | J1 |
| Moment of inertia D2 (10-3 kgm2) | J2 |
| Approximate weight (kg) | |
| Fastening screw (ISO 4762) | E1 |
| Fastening screw (ISO 4762) | E2 |
| Distance between centerlines (mm) | F |
| Distance (mm) | G |
| Speed standard (min -1) | |
| Speed balanced (10³min-1) | |
| Mounting length (mm) | C1 |
| Fit length (mm) | C2 |
| Outside diameter range h7 (mm) | D2 |
| Maximum torque* (Nm) | TKmax |
| Overall length (mm) | A |
| Tightening torque | E1 |
| Tightening torque (Nm) | E2 |
| Length (mm) | H |
| CAD Portal |
| EK7 Serien | 10 | ||
| Type | A|B|C | ||
| Rated torque (Nm) | TKN | 12,5|16|4 | |
Inside diameter possible from Ø to Ø H7 (mm) | D1 | 5-16 | |
| Inside diameter of elastomer (mm) | DE | 14,2 | |
| Outside diameter (mm) | B | 32 | |
| Outside diameter with screw head (mm) | BS | 32 | |
| Moment of inertia D1 (10-3 kgm2) | J1 | 0,003 | |
| Moment of inertia D2 (10-3 kgm2) | J2 | 0,01 | |
| Approximate weight (kg) | 0,05 | ||
| Fastening screw (ISO 4762) | E1 | M4 | |
| Fastening screw (ISO 4762) | E2 | M5 | |
| Distance between centerlines (mm) | F | 10,5 | |
| Distance (mm) | G | 5 | |
| Speed standard (min -1) | 13000 | ||
| Speed balanced (10³min-1) | 53|63|40 | ||
| Mounting length (mm) | C1 | 10,3 | |
| Fit length (mm) | C2 | 20 | |
| Outside diameter range h7 (mm) | D2 | 13-25 | |
| Maximum torque* (Nm) | TKmax | 25|32|6 | |
| Overall length (mm) | A | 28 | |
| Tightening torque | E1 | 4 | |
| Tightening torque (Nm) | E2 | 9 | |
| Length (mm) | H | 7 | |
| 10 | |||
| CAD |
| EK7 Série | |
| Type | |
| Rated torque (Nm) | TKN |
| Inside diameter possible from Ø to Ø H7 (mm) | D1 |
| Inside diameter of elastomer (mm) | DE |
| Outside diameter (mm) | B |
| Outside diameter with screw head (mm) | BS |
| Moment of inertia D1 (10-3 kgm2) | J1 |
| Moment of inertia D2 (10-3 kgm2) | J2 |
| Approximate weight (kg) | |
| Fastening screw (ISO 4762) | E1 |
| Fastening screw (ISO 4762) | E2 |
| Distance between centerlines (mm) | F |
| Distance (mm) | G |
| Speed standard (min -1) | |
| Speed balanced (10³min-1) | |
| Mounting length (mm) | C1 |
| Fit length (mm) | C2 |
| Outside diameter range h7 (mm) | D2 |
| Maximum torque* (Nm) | TKmax |
| Overall length (mm) | A |
| Tightening torque | E1 |
| Tightening torque (Nm) | E2 |
| Length (mm) | H |
| CAD Portal |
| EK7 Serien | 20 | ||
| Type | A|B|C | ||
| Rated torque (Nm) | TKN | 17|21|6 | |
Inside diameter possible from Ø to Ø H7 (mm) | D1 | 8-25 | |
| Inside diameter of elastomer (mm) | DE | 19,2 | |
| Outside diameter (mm) | B | 42 | |
| Outside diameter with screw head (mm) | BS | 44,5 | |
| Moment of inertia D1 (10-3 kgm2) | J1 | 0,01 | |
| Moment of inertia D2 (10-3 kgm2) | J2 | 0,04 | |
| Approximate weight (kg) | 0,12 | ||
| Fastening screw (ISO 4762) | E1 | M5 | |
| Fastening screw (ISO 4762) | E2 | M6 | |
| Distance between centerlines (mm) | F | 15,5 | |
| Distance (mm) | G | 8,5 | |
| Speed standard (min -1) | 12500 | ||
| Speed balanced (10³min-1) | 45|60|35 | ||
| Mounting length (mm) | C1 | 17 | |
| Fit length (mm) | C2 | 25 | |
| Outside diameter range h7 (mm) | D2 | 14-30 | |
| Maximum torque* (Nm) | TKmax | 34|42|12 | |
| Overall length (mm) | A | 40 | |
| Tightening torque | E1 | 8 | |
| Tightening torque (Nm) | E2 | 12 | |
| Length (mm) | H | 10 | |
| 20 | |||
| CAD |
| EK7 Série | |
| Type | |
| Rated torque (Nm) | TKN |
| Inside diameter possible from Ø to Ø H7 (mm) | D1 |
| Inside diameter of elastomer (mm) | DE |
| Outside diameter (mm) | B |
| Outside diameter with screw head (mm) | BS |
| Moment of inertia D1 (10-3 kgm2) | J1 |
| Moment of inertia D2 (10-3 kgm2) | J2 |
| Approximate weight (kg) | |
| Fastening screw (ISO 4762) | E1 |
| Fastening screw (ISO 4762) | E2 |
| Distance between centerlines (mm) | F |
| Distance (mm) | G |
| Speed standard (min -1) | |
| Speed balanced (10³min-1) | |
| Mounting length (mm) | C1 |
| Fit length (mm) | C2 |
| Outside diameter range h7 (mm) | D2 |
| Maximum torque* (Nm) | TKmax |
| Overall length (mm) | A |
| Tightening torque | E1 |
| Tightening torque (Nm) | E2 |
| Length (mm) | H |
| CAD Portal |
| EK7 Serien | 60 | ||
| Type | A|B|C | ||
| Rated torque (Nm) | TKN | 60|75|20 | |
Inside diameter possible from Ø to Ø H7 (mm) | D1 | 12-32 | |
| Inside diameter of elastomer (mm) | DE | 26,2 | |
| Outside diameter (mm) | B | 56 | |
| Outside diameter with screw head (mm) | BS | 57 | |
| Moment of inertia D1 (10-3 kgm2) | J1 | 0,04 | |
| Moment of inertia D2 (10-3 kgm2) | J2 | 0,1 | |
| Approximate weight (kg) | 0,3 | ||
| Fastening screw (ISO 4762) | E1 | M6 | |
| Fastening screw (ISO 4762) | E2 | M8 | |
| Distance between centerlines (mm) | F | 21 | |
| Distance (mm) | G | 10 | |
| Speed standard (min -1) | 11000 | ||
| Speed balanced (10³min-1) | 31|31|25 | ||
| Mounting length (mm) | C1 | 20 | |
| Fit length (mm) | C2 | 27 | |
| Outside diameter range h7 (mm) | D2 | 23-36 | |
| Maximum torque* (Nm) | TKmax | 120|150|35 | |
| Overall length (mm) | A | 46 | |
| Tightening torque | E1 | 15 | |
| Tightening torque (Nm) | E2 | 32 | |
| Length (mm) | H | 11 | |
| 60 | |||
| CAD |
| EK7 Série | |
| Type | |
| Rated torque (Nm) | TKN |
| Inside diameter possible from Ø to Ø H7 (mm) | D1 |
| Inside diameter of elastomer (mm) | DE |
| Outside diameter (mm) | B |
| Outside diameter with screw head (mm) | BS |
| Moment of inertia D1 (10-3 kgm2) | J1 |
| Moment of inertia D2 (10-3 kgm2) | J2 |
| Approximate weight (kg) | |
| Fastening screw (ISO 4762) | E1 |
| Fastening screw (ISO 4762) | E2 |
| Distance between centerlines (mm) | F |
| Distance (mm) | G |
| Speed standard (min -1) | |
| Speed balanced (10³min-1) | |
| Mounting length (mm) | C1 |
| Fit length (mm) | C2 |
| Outside diameter range h7 (mm) | D2 |
| Maximum torque* (Nm) | TKmax |
| Overall length (mm) | A |
| Tightening torque | E1 |
| Tightening torque (Nm) | E2 |
| Length (mm) | H |
| CAD Portal |
| EK7 Serien | 150 | ||
| Type | A|B|C | ||
| Rated torque (Nm) | TKN | 160|200|42 | |
Inside diameter possible from Ø to Ø H7 (mm) | D1 | 19-36 | |
| Inside diameter of elastomer (mm) | DE | 29,2 | |
| Outside diameter (mm) | B | 66,5 | |
| Outside diameter with screw head (mm) | BS | 68 | |
| Moment of inertia D1 (10-3 kgm2) | J1 | 0,08 | |
| Moment of inertia D2 (10-3 kgm2) | J2 | 0,2 | |
| Approximate weight (kg) | 0,5 | ||
| Fastening screw (ISO 4762) | E1 | M8 | |
| Fastening screw (ISO 4762) | E2 | M10 | |
| Distance between centerlines (mm) | F | 24 | |
| Distance (mm) | G | 11 | |
| Speed standard (min -1) | 10000 | ||
| Speed balanced (10³min-1) | 22|26|18 | ||
| Mounting length (mm) | C1 | 21 | |
| Fit length (mm) | C2 | 32 | |
| Outside diameter range h7 (mm) | D2 | 26-42 | |
| Maximum torque* (Nm) | TKmax | 320|400|85 | |
| Overall length (mm) | A | 51 | |
| Tightening torque | E1 | 35 | |
| Tightening torque (Nm) | E2 | 60 | |
| Length (mm) | H | 16 | |
| 150 | |||
| CAD |
| EK7 Série | |
| Type | |
| Rated torque (Nm) | TKN |
| Inside diameter possible from Ø to Ø H7 (mm) | D1 |
| Inside diameter of elastomer (mm) | DE |
| Outside diameter (mm) | B |
| Outside diameter with screw head (mm) | BS |
| Moment of inertia D1 (10-3 kgm2) | J1 |
| Moment of inertia D2 (10-3 kgm2) | J2 |
| Approximate weight (kg) | |
| Fastening screw (ISO 4762) | E1 |
| Fastening screw (ISO 4762) | E2 |
| Distance between centerlines (mm) | F |
| Distance (mm) | G |
| Speed standard (min -1) | |
| Speed balanced (10³min-1) | |
| Mounting length (mm) | C1 |
| Fit length (mm) | C2 |
| Outside diameter range h7 (mm) | D2 |
| Maximum torque* (Nm) | TKmax |
| Overall length (mm) | A |
| Tightening torque | E1 |
| Tightening torque (Nm) | E2 |
| Length (mm) | H |
| CAD Portal |
| EK7 Serien | 300 | ||
| Type | A|B|C | ||
| Rated torque (Nm) | TKN | 325|405|84 | |
Inside diameter possible from Ø to Ø H7 (mm) | D1 | 20-45 | |
| Inside diameter of elastomer (mm) | DE | 36,2 | |
| Outside diameter (mm) | B | 82 | |
| Outside diameter with screw head (mm) | BS | 85 | |
| Moment of inertia D1 (10-3 kgm2) | J1 | 0,3 | |
| Moment of inertia D2 (10-3 kgm2) | J2 | 1 | |
| Approximate weight (kg) | 0,9 | ||
| Fastening screw (ISO 4762) | E1 | M10 | |
| Fastening screw (ISO 4762) | E2 | M12 | |
| Distance between centerlines (mm) | F | 29 | |
| Distance (mm) | G | 15 | |
| Speed standard (min -1) | 9000 | ||
| Speed balanced (10³min-1) | 22|26|16 | ||
| Mounting length (mm) | C1 | 31 | |
| Fit length (mm) | C2 | 45 | |
| Outside diameter range h7 (mm) | D2 | 38-60 | |
| Maximum torque* (Nm) | TKmax | 650|810|170 | |
| Overall length (mm) | A | 68 | |
| Tightening torque | E1 | 70 | |
| Tightening torque (Nm) | E2 | 110 | |
| Length (mm) | H | 20 | |
| 300 | |||
| CAD |
| EK7 Série | |
| Type | |
| Rated torque (Nm) | TKN |
| Inside diameter possible from Ø to Ø H7 (mm) | D1 |
| Inside diameter of elastomer (mm) | DE |
| Outside diameter (mm) | B |
| Outside diameter with screw head (mm) | BS |
| Moment of inertia D1 (10-3 kgm2) | J1 |
| Moment of inertia D2 (10-3 kgm2) | J2 |
| Approximate weight (kg) | |
| Fastening screw (ISO 4762) | E1 |
| Fastening screw (ISO 4762) | E2 |
| Distance between centerlines (mm) | F |
| Distance (mm) | G |
| Speed standard (min -1) | |
| Speed balanced (10³min-1) | |
| Mounting length (mm) | C1 |
| Fit length (mm) | C2 |
| Outside diameter range h7 (mm) | D2 |
| Maximum torque* (Nm) | TKmax |
| Overall length (mm) | A |
| Tightening torque | E1 |
| Tightening torque (Nm) | E2 |
| Length (mm) | H |
| CAD Portal |
| EK7 Serien | 450 | ||
| Type | A|B|C | ||
| Rated torque (Nm) | TKN | 530|660|95 | |
Inside diameter possible from Ø to Ø H7 (mm) | D1 | 28-60 | |
| Inside diameter of elastomer (mm) | DE | 46,2 | |
| Outside diameter (mm) | B | 102 | |
| Outside diameter with screw head (mm) | BS | 105 | |
| Moment of inertia D1 (10-3 kgm2) | J1 | 0,66 | |
| Moment of inertia D2 (10-3 kgm2) | J2 | 2,6 | |
| Approximate weight (kg) | 1,5 | ||
| Fastening screw (ISO 4762) | E1 | M12 | |
| Fastening screw (ISO 4762) | E2 | M16 | |
| Distance between centerlines (mm) | F | 38 | |
| Distance (mm) | G | 17,5 | |
| Speed standard (min -1) | 8000 | ||
| Speed balanced (10³min-1) | 16|17|12 | ||
| Mounting length (mm) | C1 | 34 | |
| Fit length (mm) | C2 | 55 | |
| Outside diameter range h7 (mm) | D2 | 42-70 | |
| Maximum torque* (Nm) | TKmax | 1060|1350|190 | |
| Overall length (mm) | A | 76 | |
| Tightening torque | E1 | 120 | |
| Tightening torque (Nm) | E2 | 240 | |
| Length (mm) | H | 27 | |
| 450 | |||
| CAD |
| EK7 Série | |
| Type | |
| Rated torque (Nm) | TKN |
| Inside diameter possible from Ø to Ø H7 (mm) | D1 |
| Inside diameter of elastomer (mm) | DE |
| Outside diameter (mm) | B |
| Outside diameter with screw head (mm) | BS |
| Moment of inertia D1 (10-3 kgm2) | J1 |
| Moment of inertia D2 (10-3 kgm2) | J2 |
| Approximate weight (kg) | |
| Fastening screw (ISO 4762) | E1 |
| Fastening screw (ISO 4762) | E2 |
| Distance between centerlines (mm) | F |
| Distance (mm) | G |
| Speed standard (min -1) | |
| Speed balanced (10³min-1) | |
| Mounting length (mm) | C1 |
| Fit length (mm) | C2 |
| Outside diameter range h7 (mm) | D2 |
| Maximum torque* (Nm) | TKmax |
| Overall length (mm) | A |
| Tightening torque | E1 |
| Tightening torque (Nm) | E2 |
| Length (mm) | H |
| CAD Portal |
| EK7 Serien | 800 | ||
| Type | A|B|C | ||
| Rated torque (Nm) | TKN | 950|1100|240 | |
Inside diameter possible from Ø to Ø H7 (mm) | D1 | 35-80 | |
| Inside diameter of elastomer (mm) | DE | 60,5 | |
| Outside diameter (mm) | B | 136,5 | |
| Outside diameter with screw head (mm) | BS | 139 | |
| Moment of inertia D1 (10-3 kgm2) | J1 | 8 | |
| Moment of inertia D2 (10-3 kgm2) | J2 | 9 | |
| Approximate weight (kg) | 7,6 | ||
| Fastening screw (ISO 4762) | E1 | M16 | |
| Fastening screw (ISO 4762) | E2 | M16 | |
| Distance between centerlines (mm) | F | 50,5 | |
| Distance (mm) | G | 23 | |
| Speed standard (min -1) | 4000 | ||
| Speed balanced (10³min-1) | 13|13|8 | ||
| Mounting length (mm) | C1 | 46 | |
| Fit length (mm) | C2 | 60 | |
| Outside diameter range h7 (mm) | D2 | 42-80 | |
| Maximum torque* (Nm) | TKmax | 1900|2150|400 | |
| Overall length (mm) | A | 94 | |
| Tightening torque | E1 | 290 | |
| Tightening torque (Nm) | E2 | 300 | |
| Length (mm) | H | 27 | |
| 800 | |||
| CAD |
Propriedade
- Design: Two coupling hubs are concentrically machined with curved jaws.
- one side with clamping hub and screw per ISO 4762.
- one side with expanding shaft and internally tapered clamping element.
- Tolerance: Overall clearance between shaft and hub 0.01 to 0.05 mm. Suggested bore tolerance for expanding shaft ISO H7.
- Material:
- clamping hub: up to series 450 high strength aluminum, from series 800 and up steel
- expanding shaft and cone: steel
- elastomer insert: precision molded, wear resistant, and thermally stable polymer
- Speeds: See table below, *Please contact R+W
ISO 2.5 balance grade available - Properties of Elastomer Coupling model EK7:
- short compact design
- easy mounting
- concentrically machined hubs
- axial installation with expanding shaft
- backlash free
- electrically isolating
Lista