Elastomer Jaw Couplings GWE Z5104.1

Self-aligning coupling with clamping hubs for large shaft spacings

The backlash-free jaw coupling of the RINGFEDER^® GWE Z5104.1 series that is designed as a torsionally ﬂexible intermediate shaft is used where torque or rotation need to be transmitted with the greatest possible angle precision and a large shaft separation needs to be bridged. It comprises two RINGFEDER^® GWE 5104, connected by a precision hollow shaft in steel. The shaft tolerance should lie within the ﬁt tolerance of ‘g6’ to ‘h7’.

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Size	d_1min mm	d_1max mm	D₁ mm	D₅ mm	H mm	H₃ mm	L₁ mm	L_3min mm	L_3max mm	T Nm	T_A1 Nm
14	5	16	30	16	31,6	13	35	80	2000	12,5	2
19	6	20	40	20	46	16	66	135	2000	17	11
24	10	32	55	25	57	18	78	160	2000	60	15
28	10	38	65	30	71	20	90	185	2000	160	32
38	12	48	80	40	83	24	114	230	2000	325	38
42	14	54	95	40	95	26	126	255	2000	450	84
48	15	60	105	50	104,5	28	140	290	2000	525	145

Size	d_1min inch	d_1max inch	D₁ inch	D₅ inch	H inch	H₃ inch	L₁ inch	L_3min inch	L_3max inch	T ft-lbs	T_A1 ft-lbs
14	0.197	0.630	1.181	0.630	1.244	0.512	1.378	3.150	78.740	9	1.5
19	0.236	0.787	1.575	0.787	1.811	0.630	2.598	5.315	78.740	13	8
24	0.394	1.260	2.165	0.984	2.244	0.709	3.071	6.299	78.740	44	11
28	0.394	1.496	2.559	1.181	2.795	0.787	3.543	7.283	78.740	118	24
38	0.472	1.890	3.150	1.575	3.268	0.945	4.488	9.055	78.740	240	28
42	0.551	2.126	3.740	1.575	3.740	1.024	4.961	10.039	78.740	332	62
48	0.591	2.362	4.134	1.969	4.114	1.102	5.512	11.417	78.740	387	107

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Dimensions

Product Characteristics

Backlash-free Elastomer Jaw Couplings
RINGFEDER^® GWE

Backlash-free RINGFEDER^® GWE jaw couplings are used in engineering where high positioning precision requires vibration damping in greatly accelerated processes and the use of plug-in coupling solutions is preferred.

Advantages

Backlash-free, through pre-stressing
Pluggable
Vibration damping
Torques from 0,5 – 650 Nm
Compensation of radial, axial and angular misalignment
Electrically isolating

Applications

Encoder
Precision drives
Feed drives
Grinding and milling spindles
Machine tools
Packing machines
Robotics
Transfer lines
Multi-spindle heads
Wood processing equipment
Textile machinery
Conveying equipment

Linear motion
Measuring equipment and control technology
Test rigs

Technical description

Every hub on the RINGFEDER^® GWE jaw coupling has concave jaws on its face. The function of the coupling to transmit torque and damp impact that occurs, as well as balancing out unavoidable mis- alignments, is enabled through the joining of two hubs and the ﬁlling of the created free space with an elastic sprocket. The GWE jaw couplings are backlash-free in order to also achieve a high level of positioning precision in reverse operation. The coupling is backlash-free as a result of the pressure pre-tensioning of the individual buffers in the elastomer sprocket. The different Shore hardness levels, which correlate to the torsional stiffness, mean that it is possible to optimise the entire drive line from the point of view of rotary oscillation. Detailed information is included in the technical data for the sprockets.

Characteristics GWE Z5104.1

Low mass through aluminium hubs
Optimisation of the vibration damping through different elastomer spider hardness levels
As standard with red elastomer spider. Up to size 55 in 98 Shore A and from size 65 in 95 Shore A
Shaft separation of up to 3000 mm can be bridged
Puncture-proof and electrically insulating
Coupling hubs optionally with keyways in accordance with DIN 6885-1