Expanding Type Clutches and Brakes - Airflex EB element - Airflex - #1

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

.inri :i.::-:iii:;n oicib 1(г 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 necprene rubber and cord tube is Bonded on its inside diaim;■■■

cyi ■■( .,! in ■ i: ii.ni in ■■ ¹......■;:

.Mill and 'eld in position with lockwiresto the outside diameter of the tube. Тощие is '.ransrmiciJ :>y ihc iiii.icv:oi s of the rubhertuhe. Pressurizing the h*e lo'css :hn fiietor> s'-oos to engage an inside drum diameter.

The expanding design allows trie clmoon! !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: -4j..-:inci. гмс lyiissui'-ing oass.-^ 0:111 !w either a radial bole thru the hub or a port

.1........'...............i'ir eiementslzes

are attached fo the shaft by a separate element

ficmeni irjrc-.ic s fispirceiH u[.....the applied

pressure and speed. Catalog ratings are given at /5 osi ¡5.2) and zero rpm. Maximum recommended pressure s 110 psi i7 (■ ban. Ac .;s!"..!iii lor operating pressure and speed is explained under Selection Procedure.

eci!!::' ■:■ '.;■:.! ■ V si.'.is,. : ;;■ ■ ....... 11; ii. in ■nil' 1:1 . " rli; 1 in dies

to which they expand and the widt" in -ches ;ii :li;ii iricio- liiiimi It- instance, size 15EB475 is designed to expand to a 18 inch diameter drum

■ iction lining width of 4.75 inches. The smallest EB clcmo:-.: iv cwaml :<i 3 •■ inch ¡■02 ■■ rtiameicr ilium am! iro Imi-ciosc :n«?-i inch (610 mm) diameter drum. Due to :s small tiianiusur.! 4EB125 does not have replaceable friction shoes. Instead, the friction material is bonded to its rubber tube.

Construction of the ER element is similar to the zi (;smr;ri!. exnoni -or ruction shoes. ER elements engage :hc

Cu'.SiCO ;.^:0ra IViaCi; <:' iiiOi¹ :iCI.:.)t:'C L:«S

This interface results in a friction ic:c ■.vicii provides a large torgue in a relalreiy _:; -lali package, it also provides electrical isolation between connecting shafts.

1 ¡1:1......, iic 1,. 1: had couplings or

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is required without stopping the prime mover or in which the driving and or driven equipment must he frequently withdrawn from the drive.

I ■■ :l 11 ii.'iil, ив cenli%;: siiii-ai to

ei.....;riis Tliuv aie avji^ihli; in ten :

smallest expands to a 3 inch (51 mi

e EB

diameter Orum. Where Used:

■ Centrifuges

• Core Expanders

• Laundry Machines

• Textile Machines

• Tire Building Machines