Metal Bellows Couplings BK
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TORSIONALLY RIGID AND FLEXIBLE BELLOWS COUPLINGS SERIES BK | 2 BX | 10,000 – 10,000 Nm – 100,000 Nm THE ULTIMATE COUPLING FROM 2 – 100,000 Nm www.rwcouplings.com R+W_BK_E_2011.indd 1 17.08.12 09:39

Optional: TORSIONALLY STIFF METAL BELLOWS COUPLINGS Features: Areas of application: Highly dynamic axes of: ■ ■ ■ ■ ■ ■ ■ Servo drives CNC machinery Robotics Material handling systems Linear actuators Automation equipment Sheet metal processing equipment MODELS BK 1 ■ ■ ■ ■ ■ ■ ■ Printing machinery Packaging machinery Woodworking machinery Textile machinery Metal cutting machinery Stone cutting machinery Gear grinding machinery ■ ■ ■ ■ ■ ■ ■ compact zero backlash high torsional stiffness exact transmission of angular motion and torque infinite life wear and maintenance free high operational...

Optional: MODELS BKC FEATURES APPLICATION EXAMPLES with clamping hubs (compact version) from 15-500 Nm ■ ■ ■ low moment of inertia compact design self opening clamp system optional see page 9 BKM with clamping hubs from 20-1,000 Nm ■ ■ ■ increased torque capacity with small outside diameter easy to mount lowest moment of inertia see page 10 BKS with clamping hubs from 15-500 Nm ■ ■ ■ all stainless steel construction temperatures up to 300° C easy to mount see page 11 BK 3 with tapered conical sleeves from 15-10,000 Nm ■ ■ ■ high clamping force rugged, high torque design new jack screw...

Optional: TORSIONALLY STIFF METAL BELLOWS COUPLINGS with clamping ring and tapered press fit connection from 15-1,500 Nm ■ ■ ■ ■ BK 7 for axial mounting absolutely backlash free easy mounting and dismounting electrically and thermally isolating see page 14 with expanding shaft from 15-300 Nm ■ ■ ■ BK 8 APPLICATION EXAMPLES for easy hollow shaft mounting suited for space restricted installations adapts mismatched shaft and bore diameters see page 15 Gearbox with output flange BK 6 FEATURES Hollow shaft motor MODELS for ISO flange mounting from 15-2,600 Nm ■ ■ ■ for ISO gearboxes or output...

Optional: MODEL BKL mit Klemmnabe with clamping hubs BACKLASH-FREE, TORSIONALLY STIFF METAL BELLOWS COUPLINGS C C G G Self opening clamp system optional Features: ■ easy to mount ■ low moment of inertia ■ low cost F Material: Bellows made from highly flexible, high grade stainless steel; see below for hub material Design: With a single ISO 4762 radial clamping screw per hub Self opening clamp system optional: Loosening the clamping screw applies force to the pin, which forces the clamp into the open position for easy mounting and dismounting Absolutely backlash free due to frictional clamp...

Optional: MODEL BKC compact version with clamping hubs BACKLASH-FREE, TORSIONALLY STIFF METAL BELLOWS COUPLINGS C C G Self opening clamp system optional G Features: ■ high torsional rigidity ■ easy to mount ■ suited for space restricted installations ■ low moment of inertia Material: Bellows made from highly flexible, high grade stainless steel; see below for hub material Design: With a single ISO 4762 radial clamping screw per hub Self opening clamp system optional: Loosening the clamping screw applies force to the pin, which forces the clamp into the open position for easy mounting and...

Optional: MODEL BKM BACKLASH-FREE, TORSIONALLY STIFF METAL BELLOWS COUPLINGS C G G Features: ■ ultra-compact design for high torques ■ easy to mount ■ suited for space restricted installations ■ lowest moment of inertia F Self opening clamp system optional C Material: Bellows made from highly flexible, high grade stainless steel; see below for hub material Design: With a single ISO 4762 radial clamping screw per hub Self opening clamp system optional: Loosening the clamping screw applies force to the pin, which forces the clamp into the open position for easy mounting and dismounting...

Optional: MODEL BKS BACKLASH-FREE, TORSIONALLY STIFF METAL BELLOWS COUPLINGS C Self opening clamp system optional C G G Features: ■ for high temperatures ■ compact ■ easy to mount ■ suited for space restricted installations F Material: Bellows and clamping hubs, are made from stainless steel; screws plated (10.9) Detailed specifications upon request Ø D 2 H7 Ø D 1 H7 ØB E ISO 4762 Design: With a single ISO 4762 radial clamping screw per hub Laser welded connection between hubs and bellows Self opening clamp system optional: Loosening the clamping screw applies force to the pin, which forces...

Optional: MODEL BK5 für with clamping blind mate Fanuc-Motore hubs BACKLASH-FREE, TORSIONALLY STIFF METAL BELLOWS COUPLINGS C1 Features: ■ absolutely backlash free and torsionally rigid ■ easy mounting and dismounting ■ electrically and thermally isolating ■ wear and maintenance free ■ low moment of inertia ■ compensation for misalignment Material: Bellows made from highly flexible, high grade stainless steel; clamping hubs up to series 80 made from aluminum; series 150 and up made from steel. Bellows side adapter plate made from aluminum; series 800 and up made from steel. Tapered male...

Optional: MODEL BK6 BACKLASH-FREE, TORSIONALLY STIFF METAL BELLOWS COUPLINGS Features: ■ torsionally rigid ■ easy mounting and dismounting ■ electrically and thermally isolating ■ wear and maintenance free ■ absolutely backlash free due to frictional clamp connection and axial pretensioning of the tapered press fit segment Material: Bellows made from highly flexible, high grade stainless steel; conical clamping hubs made from steel. Bellows side adapter plate made from aluminum; series 800 and up made from steel. Tapered male segment made from glass reinforced plastic molded directly onto...

Optional: MODEL BK7 BACKLASH-FREE, TORSIONALLY STIFF METAL BELLOWS COUPLINGS A-2 C1 Material: Bellows made from highly flexible, high grade stainless steel; see below for hub material. Expanding shaft and cone made from steel. Ø D2h7 max. Ø D2h7 min. Ø D1H7 ØB E2 ISO 4762 C2 G Features: ■ for easy hollow shaft mounting ■ compact design, conserves space while saving cost ■ adapts mismatched shaft and bore diameters ■ backlash free and torsionally rigid ■ low moment of inertia F E1 ISO 4762 Design: With a single ISO 4762 radial clamping screw on one hub. Shaft with internal cone for...