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Lenze G-Motion Gear Motors - CTi Automation

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8<br />

Operating times<br />

Technical data - <strong>Motors</strong><br />

Spring-applied brake<br />

The response and application times of the brake are guide<br />

values related to the brake nominal values.<br />

Torque temporal characteristic depending<br />

on excitation voltage<br />

Characteristic torque<br />

Excitation<br />

Time<br />

Time<br />

Operating times Brake size<br />

DC switching<br />

The engagement time t1 is 10x longer for AC switching.<br />

AC switching<br />

DC switching<br />

06 08 10 12 14 16 18 20 25<br />

t11 [ms] 15 15 28 28 17 27 33 65 110<br />

t12 [ms] 13 16 19 25 25 30 45 100 120<br />

t1 [ms] 28 31 47 53 42 57 78 165 230<br />

t2 [ms] 45 57 76 115 210 220 270 340 390<br />

t11 = Delay time on engagement t1 = Engagement time t3 = Slipping time<br />

t12 = Rise time of braking torque t2 = Disengagement time<br />

Permissible friction energy<br />

Sh,perm =<br />

-Shü<br />

( )<br />

q<br />

In 1-<br />

QE<br />

-Shü<br />

Qperm = QE (1-e Sh )<br />

Q =Switching energy<br />

QE = Maximum permissible braking energy for<br />

single switching operation<br />

Shü =Transition operating frequency<br />

Sh = Operating frequency<br />

q<br />

[J]<br />

8-32 G-motion const en 7/2006<br />

10 5<br />

10 4<br />

10 3<br />

10 2<br />

10<br />

25<br />

16<br />

10<br />

20 18<br />

14 12<br />

Sh [h -1 ]<br />

08<br />

06<br />

Sizes<br />

1 10 10 2 10 3 10 4<br />

<strong>CTi</strong> <strong>Automation</strong> - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: info@ctiautomation.net

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