4-8mm Stainless Steel Bellows Coupling

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$79.86

A small size bellows coupling is made of high quality stainless steel material with high corrosion resistance. The coupling shaft diameter has 4-8mm, outer diameter 16mm and length 27mm. Bellows couplings offer excellent accuracy, smooth operation and long service life, making them ideal for a wide range of industrial and commercial applications.

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

SKU: ATO-BC-48

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Delivery date: 6-12 days

Overview

High precision bellows coupling has a rated torque of 1.2 Nm and a speed of 9400 rpm, with shaft diameters ranging from 4 to 8 mm. Flexible bellows couplings are widely used in medical equipment, test benches, wind turbines, and servo shafts in machine tools.

Specification

Model	ATO-GRCG-16x27
Rated Torque	1.2 Nm
Allowable Eccentricity	0.1mm
Allowable Deflection	1.5°
Allowable Axial Misalignment	+0.3-1
Allowable Speed	9400 rpm
Static Torsional Stiffness	150 Nm/rad
Moment of Inertia	8.0x10-7
Weight	26g

Dimension (unit: mm)

d1/d2	ΦD	L	L1	L2	L3	ΦN	F	M	Tightening Torque
4-5-6-6.35-7-8	16	27	7.5	2	8	13.5	3	M2.5	1 Nm

Keyway Machining Dimensions Comparison Table

Shaft Size	Keyway Standard Processing Size				Keyway Size
d1/d2	b		t		bxh
d1/d2	Slot Width	Tolerance	Grooving Depth	Tolerance	bxh
φ6-φ7.9	2	±0.0125	1	±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	8x8
φ30.1-φ38	10	±0.0215	3.3		10x10
φ38.1-φ44	12		3.8		12x12
φ44.1-φ50	14		4.3		14x14
φ50.1-φ58	16		4.4		16x16
φ58.1-φ65	18		4.4		18x18

Applications

Bellows couplings are commonly used in robotics, medical equipment, semiconductor manufacturing, and aerospace industries. Bellows couplings can transmit torque and rotational motion while compensating for misalignments, which makes them ideal for applications where high accuracy and repeatability are critical.

Tips: What is a bellows coupling?

A bellows coupling is a type of flexible coupling used to transmit torque and motion between two rotating shafts that are slightly misaligned or not precisely aligned. It consists of a series of thin metal bellows arranged in a circular shape, with two flanges or hubs attached to each end.

The bellows are made of thin metal sheets, usually stainless steel, that are welded together in a convoluted shape. This allows them to expand and contract, while maintaining their shape and stiffness, which makes them ideal for coupling applications.

When installed between two shafts, the bellows coupling allows for a small amount of misalignment or axial motion between them, while still transmitting torque with high accuracy and minimal backlash. It can also help to dampen vibration and shock loads, which can help to reduce wear and tear on the system.

Bellows couplings are commonly used in applications where precise motion control is required, such as robotics, CNC machines, and semiconductor manufacturing equipment. They are also used in aerospace, medical, and other industries where high reliability and precision are critical.

Existing reviews of 4-8mm Stainless Steel Bellows Coupling

It can meet my needs

I purchased this 4-8mm stainless steel corrugated coupling for my DIY project, which involves connecting a small stepper motor to the lead screw of a 3D printer. In my project, there was a slight deviation in the connection between the motor and the lead screw, but this coupling effectively absorbed this misalignment without causing excessive vibration or oscillation.

From: Remy | Date: 15/11/2024

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