HYBRID BUILT-IN VIBRATION ISOLATION MOUNT(Lightweight Type)

E-1126

Material: Plate：SPHC
Bolt：S20C
Screw：SUS

Surface treatment: Trivalent chromate plating

Feature: ■Hybrid structure that uses both a spring and vibration isolation material offers high vibration isolation effectiveness even with lightweight objects.
Furthermore, the damping effect of the vibration isolation material quickly stops swaying.
■Since the mount shape is the same regardless of the loading change, it’s easy to use for an object with unbalanced loading.
■Since adhesives are not used at the joints with the fittings, there is no need to worry about deterioration or peeling of joints.
■Equipped with a stopper mechanism for preventing the mounted equipment from falling over.

[Application]
■Removing vibrations transmitted to equipment that is sensitive to vibrations such as in-line inspection equipment, measurement instruments, and image processing equipment.
■Isolating vibrations caused by vibrating equipment such as small pumps, blowers, coolers, and electric motors.

※The deflection and natural frequency are calculated values.

Specifi cations

Order no.	№	Load tolerance		Defl ection	Natural frequency Hz	Weight (g)	Drawing	Product BOX	CAD	Production	Stock Status
Order no.	№	N	kgf	Defl ection	Natural frequency Hz	Weight (g)	Drawing	Product BOX	CAD	Production	Stock Status
121525	BBU25-075	4.91 to 7.36	0.5 to 0.75	1.5 to 4.5	8 to 12	72	View	Add	DATA	×	Contact
121526	BBU25-110	7.36 to 10.8	0.75 to 1.1	1.5 to 4.5	8 to 12	72	View	Add	DATA	×	Contact
121527	BBU25-160	10.8 to 15.7	1.1 to 1.6	1.5 to 4.5	8 to 12	74	View	Add	DATA	×	Contact
121528	BBU25-220	15.7 to 21.6	1.6 to 2.2	1.5 to 4.5	8 to 12	74	View	Add	DATA	×	Stock△
121529	BBU25-360	21.6 to 35.3	2.2 to 3.6	1.5 to 4.5	8 to 12	76	View	Add	DATA	×	Contact
121530	BBU25-500	35.3 to 49.1	3.6 to 5	1.5 to 4.5	8 to 12	74	View	Add	DATA	×	Stock△

Usage

Selection Guide

Select the mount with suitable load tolerance from the specifi cations sheet. Select the mount with the natural frequency of 1/2 or less of the vibration frequency you want to isolate or remove.

[Selection example]
If you want to isolate the vibrations from a pump running at 1,800 rpm with a load of 5 kg on each mount, the frequency of the vibrations produced by the pump is 1,800 rpm/60 seconds = 30 Hz. Therefore, a mount with a natural frequency of 30 Hz/2 = 15 Hz or less should be selected.

Vibration Transmissibility (Representative Data)

Application examples

Aim：Remove vibrations for in-line electronic scales.
Method：Install 4 hybrid built-in vibration isolation mounts between the base and the electronic scale mounting plate.
Result：The vibrations aff ecting the in-line electronic scales were successfully removed.

Vibrations on Floor 　　　　　　　　　　　　　　　　 Vibrations on Electronic Scale Mounting Plate

Precautions for Use

・ If the vibration frequency is √2 times the natural frequency of the mount or less, the vibrations will be amplifi ed.
・ Install such that the load is in the vertical/compressive direction. If the mounted object is too light or a tensile load is applied, the mounted object will make contact with the stoppers and the vibration isolation eff ect will be lost.
・ The purpose of the stopper mechanism is to reduce the risk of falling over. It does not guarantee safety. No liability will be born for accidents or damages.

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