Expanding Type Clutches and Brakes - Airflex ER couplings - Airflex - #1

ES elements are suited to slow speed applications having moderate starting and

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.iiiii :i.::-sii:;n oicib 1С' ighlnr Iditjuc and horsepower applications.

EB elements are similar in design and construction to the CB elements and have many of the CB features. A neoprene rubber and cord tube is Bonded on its inside diame■■■

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.'.i:h and -eld in position with lockwires to the outside diameter of the tube. Тощие is '.[,«f ikied :)■■,■ iht: iiii.icv:oi s of the rubber tube. Pressurising the tubs Iceris :hn fricUon s'"oos ;o engage an inside drum diameter.

The expanding design allows the dfimenl !o i 11 ntrifuaal clutoh The radial

element speed at which the friction shoes will The rubber tubes of the three small elements are

:: ■;: :. ■ :■ ■■. : : ■: v. .:: ■:: ii:::.;-which, in turn, are bored and keyseated for direct slid: -u.-lnq. ■ "c :;--;!ssuniinci :;'a$s.-;ua can !w either a radial hole thru the hub or a port

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are attached to the shaft by a separate element

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pressure and speed. Catalog ratings are given at /5 :isi ¡5.2) and zero rpm. Maximum recommended pressure s 110 psi i" (■ ban. Ac .;s!"..!iii lor operating pressure and speed is explained under Selection Procedure.

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to which they expand and the widi" in -dies ;ii :h;ii iiuiij- liiiin:! IV ■nsiance. size 15EB475 Is designed to expand to a 18 inch diameter drum

■ : chon lining width of 4.75 inches. The smallest EB clomiK cxoaml :<i 3 •■ inch

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inch (610 mm) diameter drum. Due to :s small tiisiiiusur. s-o 4EB125 does not have replaceable friction shoes. Instead, the fiction material is bonded to Its rubber tube.

Construction of the ER element is similar to the zi eemr;ri!. exropt lor ruction shoes. ER elements engage :he

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This interface results In a friction io:c ■.vicii provides a large torque in a re lately :; "all package. It also provides electrical isolation between connecting shafts.

i ii: i....... in' ;.. i: haft couplings or

zero speed differential between element and drum IIkiv arc ideal fo:applica;ioiis in which .1 disconnect is required without stopping the prime mover or in which the driving and or driven equipment must Pe frequently withdrawn from the drive.

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smallest expands to a 3 inch (51 mi

e EB

diameter drum. Where Used:

■ Centrifuges

• Core Expanders

• Laundry Machines

• Textile Machines

• Tire Building Machines