Electro Drum Brake

YWZ Series Electric Hydraulic Drum Brake

Overview
ONLYWE Crane Parts Electric Hydraulic Thruster Drum Brakes for Crane is widely used in the hoisting, transportation, metallurgy, mines, ports. The connection dimension and brake torque meet requirement of JB/ZQ4388-1977. Technical standards meet JB6406.2-2006.

Conditions of Use(YWZ Series Electric Hydraulic Drum Brake)
1. Environment temperature:-20℃- +55℃
2.It cannot working with environment: any flammable, explosive and corrosive gases.
3. Air environment relative humidity not more than 90%.
4.The altitude of the using site meet with GB755-2000.
5. Power source : AC three-phase 380v 50HZ.(Customized from 220v-480v, 50HZ/60HZ, 3Phase/Single Phase) .
Main Feature(YWZ Series Electric Hydraulic Drum Brake)
1. Safe performance, brake smoothly.
2. Good action performance, and high protection class of shell.
3. Have a long service life.
4. The transmission of brake frame with features: efficient, sensitive and reliable.         5. It is more safe and easy to change brake lining.
6. The brake can realize additional functions by increasing additional device.

Design and Construction Rules
All the standards which are required for the Brake are the FEM standard, DIN standard and Chinese National standard.
Europe Main National Standards
--  89/392/EEC standard (93/68/EEC)
--  91/368/EEC standard
--  73/23/CEE standard
--  "EMC" standard 89/336/EEC
--  EN 60204-1
--  EN 292 mechanical safety
--  ISO 2141
--  ISO 2766
International Standards
--  June 9, 1993 / Sept. 22, 1993 notice
--  July 29, 1992, 92-765, 92-766, 92-767 notice
--  DIN 5684
--  DIN 15400; DIN 15401
--  NFE 26-010
--  NFE 26-030
Technical Standards
--  FEM 9.511    Mechanical group
--  FEM 9.661    Components size and quality standard
--  FEM 9.671    booster quality standard/Motor quality standard.
--  FEM 9.681    Travel motor choice
--  FEM 9.682    Hoisting motor choice
--  FEM 9.755    Electric hoisting equipment
--  FEM 9.811    Electric crane standard
--  FEM 9.901    Hoisting components design reference
--  IEC 34-1      Traveling and allocation performance
--  IEC 34-5      Protection grade standard
--  IEC 947-5-1   Low voltage equipment
China Main National Standards
Design rules for brake/cranes             GB/T 3811-2008
Safety rules for lifting appliances          GB 6067-2010
Common brake/crane technical condition          GB 7592-87