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 dependability...

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 design...

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 flanges...

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 connection...

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 dismounting...

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 Absolutely...

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 the...

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 segment...

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 the...

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 expansion....