One Diaphragm Coupling, 8mm to 20mm

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$136.98

Sell couplings from 8 mm to 20 mm at a cheap price, one diaphragm, diameter 44mm, length 34.5mm, high torque rigidity and precise control, internal clamping design of the coupling is easy to install and use.

φd1 Inner Diameter Size (mm) *
φd2 Inner Diameter Size (mm) *
WIth Keyway *

SKU: ATO-SC-GSM44345

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Delivery date: 6-12 days

Overview

One diaphragm bore 8mm to 16mm, size 44 x 34.5mm, internal clamping screw tightening, shaft sleeve made of high-strength aluminum alloy, ratd torque 12N.m, speed of 10000rpm, designed for connecting servo motors and stepping motors.

Specification

Model	ATO-SC-GSM44345
Length	34.5mm
Width	44mm
Bore	8mm to 20mm
Rated Torque	12 N.m
Allow Eccentricity	0.1mm
Allowable Deflection Angle	1∠°
Allowable Axial Deviation	±0.27
Allowable Speed	10000 RPM
Static Torsional Stiffness	18000N.m/rad
Moment of Inertia	2.8 x 10^-5
Weight	100g
Certificate	ISO9001, REACH, RoHS
Warranty	12 Months

Single Diaphragm Flexible Coupling Dimension (unit: mm)

Diaphragm coupling dimension

d1/d2 Inner Diameter Size	Φd	L	LF	S	F	M	Tightening Torque
8-9-9.525-10-11-12-12.7-14-15-16-17-18-19-20	44	34.5	14.9	4.5	5	M4	3.5 N.m

Details

Diaphragm coupling detail

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: Precautions for installing the diaphragm coupling

1. Before installation, clean the end faces of the two shafts and check the fit of the key grooves on the end faces.
2. Please install a protective cover and other devices around the diaphragm coupling to ensure safety.
3. The allowable axis deviation of the coupling includes radial, angular and axial deviation. When installing, please make adjustments to ensure that the axis deviation is within the allowable range of the corresponding product catalog.
4. When multiple deviations appear at the same time, the corresponding allowable value should be halved.
5. In order to prolong the service life of the diaphragm coupling, it is recommended to set the axis deviation within 1/3 of the allowable value.
6. Tighten the screws after inserting the mounting shaft, otherwise the coupling will be deformed. When tightening the screws, please use a torque wrench, do not use screws other than accessories for installation.
7. If there is an abnormal sound during operation, please stop the operation immediately and check the installation accuracy and screw loosening.
8. It is recommended to apply adhesive on the outer surface of the screw after installation and debugging to increase the protective performance of the diaphragm coupling.

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