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Global Series Brake
Instruction Manual
Models GBA, GBAM, GBB, GBBM, GBC, GBCM, GBD, GBDM, GBE, GBEM, GBF, GBFM
All of the information herein is the exclusive proprietary property of Maxcess International and is disclosed with
the understanding that it will be retained in confidence and will neither be duplicated nor copied in whole or in part
nor be used for any purpose other than for which disclosed.
Copyright 2011, 2018, all rights reserved.
Periodically there will be updates to this manual. The latest version is available on our website or by calling your
regional office listed on the back page of this publication.
These brake devices must not be installed or used in a machine or system which does not comply with the
machinery directive 2006/42/EC.
These brake devices were designed and manufactured to be installed as Partly Completed Machinery into a
machine or partly completed machine.
The instructions must be read and used by all persons who have the responsibility of installing and maintaining
these brake devices.
These instructions must be retained and incorporated in the technical documentation for the machine or partly
completed machinery into which the brake device is installed.
These are the original instructions, written in English.
www.maxcessintl.com
Global Brake Series
MI 850A169 1 L
Page 1 of 14
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Summary of Contents for Maxcess Global Series
- Page 1 Models GBA, GBAM, GBB, GBBM, GBC, GBCM, GBD, GBDM, GBE, GBEM, GBF, GBFM All of the information herein is the exclusive proprietary property of Maxcess International and is disclosed with the understanding that it will be retained in confidence and will neither be duplicated nor copied in whole or in part nor be used for any purpose other than for which disclosed.
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Page 2: Model Number Key
CE MARKING These brake devices are marked with the CE sign according to the low voltage directive 2006/95/EC for the 90 volt coil models. The 24 volt coil models do not carry the CE sign. The air hoods are marked with the CE sign according to the low voltage directive 2006/95/EC. -
Page 3: Safety Instructions
SAFETY INSTRUCTIONS To ensure safe and problem free installation of the magnetic particle brake device, the brake must be properly transported and stored, professionally installed and placed in operation. Proper operation and maintenance will ensure a long service life of the device. Only persons who are acquainted with the installation, commissioning, operation and maintenance of the system and who possess the necessary qualifications for their activities may work on the magnetic particle brake. -
Page 4: Installation And Commissioning
Safety information continued INSTALLATION AND COMMISSIONING: Any brake device which is damaged must not be installed or put into operation. Only perform installation, maintenance or repair tasks on the brake device when the machine has been stopped and is secured from being turned on. ... -
Page 5: Theory Of Operation
THEORY OF OPERATION The brake construction consists of two stators, a rotor, a coil assembly, magnetic powder, and two bearings. The bearings support and align the rotor with the stators, and allow the rotor to rotate within the brake assembly. The magnetic powder occupies the space between the stators and the rotor, and represents a key element in the operation of the brake. -
Page 6: Electrical Installation
5. Attach a torque arm between the extension bolt(s) and the machine frame with a “loose” or “floating” mount to prevent binding forces on the brake bearings. The torque arm will prevent the rotation of the brake stators. Tighten the mounting bolts to the torque specified in table 2. lb-in 28.1 97.2... -
Page 7: Specifications
SPECIFICATIONS WARNING – Do not use the devices outside of their rated specifications. Temperature Range: Operating 0°C to 40°C Storage -30° to +80°C Relative Humidity: 5% to 85% Pollution Degree: 2 (IEC664-1) Altitude: 0 to 2000 meters Maximum RPM: 1800 RPM NOTE: All rated current and resistance is for Class F coils. - Page 8 Note: Mounting bolts are reversed on fan cooled units. English Model Dimensions (Inches) Model Keyway Screws M N P R S T Number -0.000 (mm) (mm) — 2.25 0.75 — THRU — 0.500 6.81 NONE M5x0.8 M5x0.8 4.81 1.38 0.38 0.12 0.46 5.31 +0.001...
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Page 9: Maintenance
RATED COIL CURRENTS NOTE: The coil system has changed from Class A to Class F. Refer to the nameplate on your unit to determine which insulation class you have. If you have Class F insulation, the nameplate will denote Class F. If you have Class A, there will be no notation on the nameplate. -
Page 10: Troubleshooting
TROUBLESHOOTING PROBLEM POSSIBLE CAUSE ACTION Load is not controlled by brake Power supply voltage output low Replace or repair control Magnetic powder has deteriorated Overhaul the brake Coil is open Replace coil Load operates in an intermittent Coil is intermittently open Replace coil manner with proper voltage Brake is noisy and has vibration... - Page 11 RE-ASSEMBLY CAUTION – Loss of torque due to grease or oil. Re-assembly of the brake must be performed in a clean, dry area. The brake components must be cleaned with solvent, and must be dry and totally free of grease and oil. Grease or oil on the internal brake parts will cause loss of torque.
- Page 12 Press the other bearing onto the end of the rotor shaft until it seats against the internal snap ring of the right stator. NOTE: The seal side of the bearing must face the inside of the brake. Tighten the stator screws evenly until the left and right stators are clamped together. Apply 2 or 3 drops of wicking Loctite to the inner and outer race of both bearings.
- Page 13 FIGURE 1. BRAKE CROSS SECTIONAL VIEW COIL RIGHT STATOR LEFT STATOR COIL AND GASKET COIL GASKETS CONFIGURATION ON GBC AND GBD MAGNETIC POWDER ROTOR ASSEMBLY POWDER FILL SCREW INTERNAL SNAP RINGS EXTERNAL SNAP RINGS 9 COLLAR POWDER SEALS PARTS LIST BEARINGS 6 ROTOR ASSEMBLY COIL...
- Page 14 AND AFRICA AND SE ASIA Tel +1.405.755.1600 Tel +86.756.881.9398 Tel +91.22.27602633 Tel +81.43.421.1622 Tel +49.6195.7002.0 asia@maxcessintl.com Fax +1.405.755.8425 Fax +86.756.881.9393 Fax +91.22.27602634 Fax +81.43.421.2895 Fax +49.6195.7002.933 www.maxcess.asia sales@maxcessintl.com info@maxcessintl.com.cn india@maxcessintl.com japan@maxcessintl.com sales@maxcess.eu www.maxcessintl.com www.maxcessintl.com.cn www.maxcess.in www.maxcess.jp www.maxcess.eu © 2018 Maxcess...
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