One Diaphragm Coupling, 4mm To 8mm

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$126.98

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Stock: In Stock
Model: RDDLZ-SC-GSM1920
Weight: 1.00
SKU: RDDLZ-SC-GSM1920

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Short Description

φd1 Inner Diameter Size (mm)

φd2 Inner Diameter Size (mm)

WIth Keyway

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Shaft coupling for connecting servo motors and stepping motors, single diaphragm, bore 4mm to 8mm, diameter 19mm x length 20mm, light weight, easy to install.

Specification

Model	RDDLZ-SC-GSM1920
Length	20mm
Width	19mm
Bore	4mm to 8mm
Rated Torque	1 N.m
Allow Eccentricity	0.1mm
Allowable Deflection Angle	1∠°
Allowable Axial Deviation	±0.09
Allowable Speed	10000 RPM
Static Torsional Stiffness	1400N.m/rad
Moment of Inertia	6.7 x 10^-7
Weight	12g
Certificate	ISO9001, REACH, RoHS
Warranty	12 Months

Single Diaphragm Flexible Coupling Dimension (unit: mm)

d1/d2 Inner Diameter Size	Φd	L	LF	S	F	M	Tightening Torque
3-4-5-6-6.35-7-8	19	20	9.1	1.8	3.3	M2.5	1 N.m

Details

Keyway

Shaft Diameter	Keyway Standard Machining Dimensions				Keyway Size
d1/d2	b		t		(bXh)
d1/d2	Width of groove	Tolerance	Depth of groove	Tolerance	(bXh)
φ6~φ7.9	2	±0.0125	1	±0.10	2x2
φ8~φ10	3	±0.0125	1.4		3x3
φ10.1~φ12	4	±0.0150	1.8		4x4
φ12.1~φ17	5		2.3		5x5
φ17.1~φ22	6		2.8		6x6
φ22.1~φ30	8	±0.0180	3.3	±0.20	8x7
φ30.1~φ38	10	±0.0180	3.3		10x8
φ38.1~φ44	12	±0.0215	3.3		12x8
φ44.1~φ50	14		3.8		14x9
φ50.1~Ф58	16		4.3		16x10
φ58.1~φ65	18		4.4		18x11

Keyway Machining Standard Drawing

Tips: Flexible Shaft Coupling Features

Zero clearance: The entire coupling is not allowed to have clearance during transmission.
Low inertia: On the basis of ensuring the transmission strength, the weight of the coupling should be reduced as much as possible. Good flexibility:
The precision coupling needs to absorb the deviation between the shaft and the shaft produced during the installation process to a large extent.
Compact structure: The shaft coupling is usually small in size, and its clockwise and counterclockwise rotation characteristics are exactly the same.
Maintenance-free: After the shaft coupling is installed, there is basically no need for maintenance, and the installation is extremely convenient.

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