3-5.DC磁鐵操作剎車DC MAGNET OPERATED BRAKES

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3-5.DC磁鐵操作剎車DC MAGNET OPERATED BRAKES

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3. 鼓式剎車HI-TORK DRUM BRAKE                                                             下載down load3. 鼓式剎車HI-TORK DRUM BRAKE  
      3-2.內容和頁數導引說明CONTENTS AND PAGE REFERENCE GUIDE
　   3-3.介紹說明INTRODUCTION
　   3-4.介紹說明INTRODUCTION 
      3-5.DC磁鐵操作剎車DC MAGNET OPERATED BRAKES 
      3-6.DC磁鐵操作剎車DC MAGNET OPERATED BRAKES
      3-7.3相AC油壓致動器剎車
             3 PHASE AC HY-THRUST TM ACTUATOR BRAKES
      3-8.3相AC油壓致動器剎車
             3 PHASE AC HY-THRUST TM ACTUATOR BRAKES
      3-9.3相AC油壓致動器操作/防爆和防火焰剎車

             3PHASE AC HY-THRUST TM OPERATED EXPLOSION-PROOF AND FLAME-PROOF BRAKES
      3-10.氣動和油壓操作剎車PNEUMATIC AND HYDRAULIC OPERATED BRAKES
      3-11.油壓(踏板式)剎車HYDRAULIC (PEDAL) OPERATED BRAKES
      3-12.踏板操作油壓系統加到SA , ST和ST/E剎車

              PEDAL OPERATED HYDRAULIC OVER-RIDE SYSTEM FOR ADDING TO BRAKE TYPES SA ,

              SA/M , ST AND ST/E BRAKES
      3-13.手輪和拉桿致動剎車HANDWHEEL AND LEVER APPLIED BRAKES     
      3-14.對稱和偏一邊剎車輪轂SYMMETRICAL AND OFFSET HUB BRAKE WHEELS     
      3-15.齒輪型剎車鼓連軸器GEARED BRAKE WHEEL COUPLINGS
      3-16.齒輪型剎車鼓連軸器GEARED BRAKE WHEEL COUPLINGS    
      3-17.DC磁鐵剎車(SA和SA/M箱型)整流和控制器

              DC MAGNET BRAKE (TYPES SA AND SA/M) RECTIFIERS AND CONTROLLERS      
      3-18.剎車控制箱BRAKE ENCLOSURES

will provide a long service life with a minimum amount of main­The "SA" type brake is a sp吋ng applied，electrilJy released DC shoe brake，utilizing a short e magnet designed to pr'   U臼 a quìck acting brake with a low armature impact. These brakes tenance and downtìme.

  • STANDARDFEATURES 標準特性
  • Compact design，requires mìnimum installation spa.
  • Braking torque may be adjusted to 50% of the maximum torque.
  • Double torque sprlngs一in the event one fails the other wilJ provlde partìal torque.
  • Easy adjustments are provided for sp叫ng pressure，magnet air gap and shoe cJearance.
  • Top hlnged magnet prevents dirt and debris from building up between the magnet case and the armature.
  • Class“F"Insulation
  • A weather-proof (Type 3R) terminal box is provided on all shunt brakes.
  • The air gap shield is fitted to prevent dirt from faJling between the armature and the actuator.

 

  • OPTIONAL FrURES選用特性
  • Hydraulic over-ride/parking/emergency stopping
  • Built-inRectifier---an en臼psulated diode bride 臼 n be mounted

inside the terminal box Shunt discharge unit

  • Tímedelay (for up to 1.0 )Manual latching brake release level
  • SHUNT BRAKES 並聯剎車

Standard shunt brakes are continuous (8 Hr.) rated and designed for Class“B" temperature rise at a maximum 40 0C ambient.  At fulJ  torque，maximum air-gap and normal operating temperatures，the brakes are designed to release at

80% of fulJ line voltage. Shunt wound brakes  be supplied

for 12V to 550V DC operation.

The“pick-up﹒times of shunt operated brakes  be improved

by implementing or the“ resistance" forcing methods. With the voltage method，a standard il is  forced" by

the application of 2 to 3 times normal volts for approximately a

1/2 second (Ref. Fig. 1). Using the resistance method，a partial­

voltage coil is used in sees with a suible resistance which is ntrolJed by a heavy duty ntactor.

  • SERIES BRAKES 串聯剎車

Series brakes are available wìth coils designed for 1/2 hour and 1-hour duty to correspond with the relevant motor horse­ power ratings and currents. The brakes wilJ release at 40%

fulJ-load motor current and remain released down to 10% full load motor current.

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