2021 High quality Coupling Bush - Oldham Couplings, Body AL, Elastic PA66 – GOODLUCK

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2021 High quality Coupling Bush - Oldham Couplings, Body AL, Elastic PA66 – GOODLUCK Detail:

Oldham Couplings.

Dimension table							mm
Model	Common DL / D2 inner diameter size	ΦD	L	LF	LP	F	M	Tightening torque (n.m)
GL-16X18	4-5-6-6.35-7-8	16	18	7.1	12	3.0	M3	1.2
GL-20X23	5-6-6.35-7-8	20	23	9	12.7	4.5	M4	1.7
GL-20X25	5-6-6.35-8-9-9.525-10	20	25	10.1	12.7	3.0	M4	2.5
GL-25X28	5-6-8-9-9.525-10-11-12-14	25	28	21	17.7	2.8	M4	2.5
GL-32X33	5-6-8-9-9.525-10-11-12-12.7-14-15-16	32	33	14	20	3.4	M4	2.5
GL-40X32	8-9-9.525-10-11-12-12.7-14-15-16-17-18-19-20	40	32	14	20.3	3.2	M4	2.5
GL-44X46	8-9-9.525-10-11-1212.7-14-15-16-17-18-19-20-22	44	46	20.7	18.4	3.5	M5	5
GL-50X38	10-12-12.7-14-15-16-17-18-19-20-22-24-25	50	38	16.5	22.35	3.8	M5	5
GL-55X57	10-12-12.7-14-15-16-17-18-19-20-22-24-25-28-30-32	55	57	26.2	25.8	7.8	M5	5
GL-63X47	14-15-16-17-18-19-20-22-24-25-28-30-32	63	47	21	25.8	6.0	M6	8
GL-70X77	16-17-18-19-20-22-24-25-28-30-32-25-38-40	70	77	37	25	13.5	M8	20

Technical parameter

Technical parameter								mm
Model	Rated torque (N.m)	Allowable eccentricity (mm)	Allowable deflection angle (∠^。)	Allowable axial deviation (mm)	Allowable speed (RPM)	Static torsional stiffness (N.m/rad)	Moment of inertia (N.m)	Coupling weight (g)
GL-16X18	0.7	0.8	3	±0.2	9000	30	3.0X10^-7	6
GL-20X23	1.2	1.5	3	±0.2	3100	60	1.0X10^-6	14
GL-20X25	1.25	1.2	3	±0.2	7000	58	3.0X10^-7	18
GL-25X28	2	1.6	3	±0.2	6000	130	2.8X10^-6	25
GL-32X33	4.5	2	3	±0.2	4800	270	8.9X10^-5	44
GL-40X32	9	2.4	3	±0.2	3600	520	2.1X10^-5	81
GL-44X46	12	2.8	3	±0.2	3500	560	3.8X10^-5	136
GL-50X38	19	2.6	3	±0.2	3000	800	6.0X10^-5	142
GL-55X57	22	3.3	3	±0.2	2800	795	9.9X10^-5	255
GL-63X47	33	3	3	±0.2	2500	1200	2.1X10^-4	320
GL-70X77	56	3.8	3	±0.2	2500	1260	3.9X10^-4	445

Comparison table of keyway processing dimensions

Shaft diameter dimension	Standard machining dimension of keyway				Keyway size	Standard drawing of keyway processing
dl/d2	b		t		（bxh）
dl/d2	Slot width	tolerance	slot depth	tolerance	（bxh）
Φ6-Φ7.9	2	±0.0125	1.0	±0.10	2X2
Φ8-Φ10	3	±0.0150	1.4		3X3
Φ10.1-Φ12	4		1.8		4X4
Φ12.1-Φ17	5		2.3		5X5
Φ17.1-Φ22	6	±0.0180	2.8		6X6
Φ22.1-Φ30	8	±0.0180	3.3	±0.20	8X7
Φ30.1-Φ38	10	±0.0215	3.3		10X8
Φ38.1-Φ44	12		3.8		12X8
Φ44.1-Φ50	14		4.3		14X9
Φ50.1-Φ58	16		4.4		16X10
Φ58.1-Φ65	18		4.4		18X11

Oldham Couplings4

Outline dimension table

Outline dimension table			mm
Model	Common DL / D2 inner diameter size	ΦD	L	LF	LP	F	M	Tightening torque (n.m)
GLC-16X29	4-5-6-6.35	16	29	12.5	12	3	M2.5	0.8
GLC-20X33	5-6-6.35-7-8	20	33	14.1	12.7	3.8	M2.5	0.8
GLC-25X39	5-6-6.35-8-9-9.525-10-11-12	25	39	16.9	17.7	3.9	M3	1.2
GLC-32X45	5-6-8-9-9.525-10-11-12-12.7-14-15-16	32	45	20	20	4.5	M4	2.5
GLC-40X50	8-9-9.525-10-11-12-14-15-16-17-18-19	40	50	23	20.3	5.5	M5	5
GLC-44X46	8-9-9.525-10-11-12-14-15-16-17-18-19-20-22	44	46	20.7	18.4	7	M5	5
GLC-50X53	10-11-12.7-14-15-16-17-18-19-20-22-24	50	53	24.2	22.35	7.5	M6	8
GLC-50X58	10-11-12.7-14-15-16-17-18-19-20-22-24	50	58	26.5	22.35	6.3	M6	8
GLC-55X57	10-11-12.7-14-15-16-17-18-19-20-22-24-25-28	55	57	26.2	25.8	6.3	M6	8
GLC-63X71	14-15-16-17-18-19-20-22-24-25-28-30-32	63	71	32.8	26.2	7.8	M8	20
GLC-70X77	14-15-16-17-18-19-20-22-24-25-28-30-32-35-38	70	71	37	25	7.7	M8	20

Technical parameter

Technical parameter		m m
Model	Rated torque (N.m)	Allowable eccentricity (mm)	Allowable deflection angle (∠^。)	Allowable axial deviation (mm)	Allowable speed (RPM)	Static torsional stiffness (N.m/rad)	Moment of inertia (N.m)	Coupling weight (g)
GLC-16X29	0.7	0.8	3	±0.2	9000	30	3.5X10^-7	12
GLC-20X33	1..2	1.2	3	±0.2	7000	58	1.5X10^-6	19
GLC-25X39	2	1.6	3	±0.2	6000	130	3.2X10^-6	35
GLC-32X45	4.5	2	3	±0.2	4800	270	1.5X10^-5	67
GLC40X50	9	2.4	3	±0.2	3600	520	4.2X10^-5	114
GLC-44X46	12	2.5	3	±0.2	3500	800	4.5X10^-5	140
GLC-50X53	19	2.6	3	±0.2	3000	800	1.0X10^-4	190
GLC-50X58	19	3	3	±0.2	3000	800	1.1X10^-4	215
GLC-55X57	25	3.2	3	±0.2	3000	900	1.3X10^-5	260
GLC-63X71	33	3	3	±0.2	2550	1200	3.5X10^-4	455
GLC -70X77	56	3.5	3	±0.2	2500	1260	4.1X10^-4	520

Oldham couplings are three-piece flexible shaft couplings that are used to connect driving and driven shafts in mechanical power transmission assemblies. Flexible shaft couplings are used to counter the inevitable misalignment that occurs between connected shafts and, in some cases, to absorb shock. Material: Uubs are in Aluminium, elastic body is in PA66.

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