Brobo 200HD Manuel utilisateur
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BROBO GROUP (AUST) PTY. LTD.
8 Fowler Rd, Dandenong South
Victoria 3175, AUSTRALIA.
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+ 61 3 9794 8751
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🖷 + 61 3 9794 8792 www.brobo.com.au
PRODUCT AND MAINTENANCE MANUAL
BENCH/BUFF GRINDERS
200HD & 250HD
Precision Drilling Machines Tapping Machines Multi-Head Drills Tool Grinders
Tool Post Grinders Machine Vices Special Production Equipment
Accessories Riveting Machines Pedestal Grinders Metal Cutting Saws Linishers
A.C.N. 098 264 316
A.B.N. 42 098 264 316
OPERATING MANUAL FOR BROBO GROUP
BENCH/BUFF GRINDERS 200HD & 250HD
TECHNICAL SPECIFICATION
CHAPTER 1: Installation of the Machine
1.1 Unpacking & Handling the Machine
1.2 Minimum Requirements
1.3 Anchoring the Grinder Unit
1.4 Connection to Power Source
CHAPTER 2: Safety & Accident Prevention
2.1 Operation of the Machine
2.1.1. Noise Level
2.1.2. Power Supply
2.2 General Requirements
2.3 Advice for the Operator
2.4 Machine Safety Devices
2.4.1. Reference Standards
CHAPTER 3: Main Functions & Operation of the Machine
3.1 Main Features
3.2 Preparation for Operation
3.3 Operation Recommendations
CHAPTER 4: Drawings, Layouts, Assembly & Spare Parts
4.1 Spare Parts
4.2 200 HD Grinder Assembly (Stand – Optional)
4.3 250 HD Grinder Assembly
CHAPTER 5: Maintenance & Selection of Consumables
5.1 Role of the Operator
5.2 Maintenance Requirements
5.3 General Maintenance of Functioning Components
5.4 Replacing grinding wheels.
CHAPTER 6: Troubleshoot
APPENDIX
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TECHNICAL SPECIFICATION
MACHINE
SPECIFICATION
MOTOR RATING
(kW / HP / V / PH) DESCRIPTION WHEEL SIZE & TAPED BUFF
ADAPTERS
200HD, 1 PH
(3850260) 1.1 / 1.4 / 240 / 1 Bench Grinder 200mm x 25mm wide x 19.05mm bore
200HD, 3 PH
(3850210)
1.1 / 1.4 / 415 / 3 Bench Grinder 200mm x 25mm wide x 19.05mm bore
200HD, 1PH
(3850280) 1.1 / 1.4 / 240 / 1 Buff Grinder 3/4” x 20 TPI
200HD, 3 PH
(3850230) 1.1 / 1.4 / 415 / 3 Buff Grinder 3/4” x 20 TPI
200HD, 1PH
(3850270) 1.1 / 1.4 / 240 / 1 Bench/Buff
Grinder
200mm x 25mm wide x 19.05mm bore,
3/4” x 20 TPI
200HD, 3 PH
(3850220) 1.1 / 1.4 / 415 / 3 Bench/Buff
Grinder
200mm x 25mm wide x 19.05mm bore,
3/4” x 20 TPI
250HD, 1 PH
(3500060) 1.1 / 1.4 / 240 / 1 Bench Grinder 250mm x 25mm wide x 19.05mm bore
250HD, 3 PH
(3500010)
1.1 / 1.4 / 415 / 3 Bench Grinder 250mm x 25mm wide x 19.05mm bore
Packaged Dimensions
57cm x 30cm x 41cm
Weight
HD200 34 kg
HD250 40 kg
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CHAPTER 1 - Installation of the Machine
1.1. Unpacking & Handling the Machine
Upon receiving the Brobo Group BENCH/BUFF GRINDERS 200HD & 250HD, the machine should be standing
upright & positioned centrally on top of a wooden pallet.
Carefully remove the packaging surrounding the grinder unit & elevating the machine away from the box, mindful
that the machine should be equally supported. Position the grinder to the desired location, ensuring that a power
outlet is available & within reach of the grinder power cord.
Prior to powering up the grinder, place the desired wheel/buff mop onto the machine spindles. Note that if the bore
sizes on the grinding wheels &/or buffering mops do not fit the spindle, taper adapters & buff adapters are readily
available for purchase from most hardware & tool outlets.
Once the wheels/buffs are securely fastened to the machine, connect the grinder to the mains electrical supply &
power up the machine.
FIGURE 1. Shipping of grinder unit
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1.2.Minimum Requirements
For the machine to function correctly, the room in which the grinder unit is to be installed must be in the vicinity of,
& satisfy the following conditions:
240/415V Power Supply
Working Pressure - Not less than 600kPa (6 Bar) & no greater than 900kPa (9 Bar)
Ambient Temperature - From -10
C to +50
C.
Relative Humidity: Not more than 90%.
Lighting: More than 500 LUX.
1.3.Anchoring the grinder unit
Figure 2. Anchoring the grinder unit
WARNING – OPERATING VOLTAGE VARIATION
Each grinder model has an inbuilt safety system to protect it against voltage variations.
However, for the machine to perform efficiently, ensure that the grinder unit operates within
10% limits of the recommended voltage of the motor.
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1.4. Connection to Power Source
Before connecting the machine to the power supply, check that the socket is not connected in series with other
machines. This condition is critical for the ideal operation of the grinder unit.
Single & Three Phase
a) Single phase machines are provided with three pins, 15 amps rated plugs & leads for connection to 240V,
50Hz power supply in Australia.
Figure 3.1 Connection 3 pins – 1 Phase
b) Three phase machines should be fitted with a suitable, approved four pin plugs
(i.e. three phase & earthing - not provided)
Figure 3.2 Connection for “4-CORE” Wire System with Neutral – 3 Phase
c) Check the power supplied & motor specifications before plugging in the machine. Check the terminal
connection on dual voltage motor terminal box & connect it accordingly to the corresponding voltage supply.
d) If the dual motor is requested, the motor is always connected to the higher voltage, unless otherwise
specified prior to the order being placed.
Active = Brown, White. Dark Blue VOLTAGE MAIN VOLTAGE
Earth = Green/Yellow 415V/3PH 415V/3PH
Active = Brown VOLTAGE MAIN VOLTAGE
Neutral = Light Blue 240V/1 PH 240V
Earth = Green/Yellow
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CHAPTER 2 - Safety & Accident Prevention
The Brobo Group BENCH/BUFF GRINDERS 200HD & 250HD has been designed & manufactured in accordance
with Australian Standards. It is HIGHLY RECOMMENDED that the instructions & warnings contained in this
chapter be carefully followed for correct usage of the machine.
2.1. Operation of the Machine
This machine is specifically designed for grinding of various ferrous metal sections. Our company has no
responsibility for any damages & risks caused as the result of changing & addition on the machine or removing any
part of the machine.
This machine involves a high-speed revolution; therefore extreme caution is required when operating the
device.
The employer is responsible for instructing the personnel who, in turn, are obliged to inform the operator of any
accident risks, safety devices, noise emission & accident prevention regulations provided for by national &
international laws governing the use of the machine. The operator must be fully aware of the position &
functions of all the machine’s controls.
All those concerned must strictly adhere to ALL instructions, warnings, & accident prevention standards in
this manual.
The following definitions are those provided for by the EEC DIRECTIVE ON MACHINERY No. 98/37/CE:
Danger Zone - any zone in and/or around a machine in which the presence of a person constitutes a
risk to the safety & health of that person.
Person Exposed - any person finding him or herself, either completely or partly in a danger zone.
Operator - the person or persons are given the responsibility of installing, operating, adjusting,
maintaining, cleaning, repairing, & transporting the machine.
2.1.1. Noise Level
The noise level of an idling grinder has been measured to be below 85 dBA. This complies with the Australian
Occupational Health & Safety (Noise) Regulations 1992.
Please note that peak impulse noise levels will be experienced due to variables including blade characteristics, type,
& condition. This will also vary accordingly depending on the size & type of sample being ground. Under these
circumstances, management should make available to the operator(s) the appropriate hearing protection equipment
as prescribed under the above-stated act.
WARNING – UNAUTHORISED MODIFICATIONS/REPLACEMENTS/USE
The manufacturer declines any responsibility whatsoever, either civil of criminal, in the case of
unauthorised interference or replacement of one or more parts or assemblies on the machine,
or if accessories, tools & consumable materials used are different from those recommended by
the manufacturer, or if the machine is inserted in a plant system & its proper function is altered.
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2.1.2. Power Supply
The 240/415V power supply requirements for this machine are of a high level & unauthorized interference & or
inadequate maintenance could result in a situation that could put the operator at risk. A qualified electrical engineer
should always be assigned to maintain & repair the system.
2.2. General Requirements
2.2.1. Lighting
Insufficient lighting during the operation of the unit would constitute a safety hazard for the people concerned. For
this reason, the user of the machine must provide adequate lighting in the working area to eliminate areas of shadow,
whilst also prevent dazzling illumination sources
(Reference standard ISO 8995 - 2002 ‘Lighting of Indoor Workplaces’).
2.2.2. Connection
Check that the power supply cables, compressed air supply (if applicable) & coolant system complies with, & are
operating within the acceptable range of the grinder capabilities.
Faulty, damaged or worn components must be replaced immediately.
2.2.3. Earthing Systems
The installation of the earthing system must comply with the requirements stated in the:
IEC Standards Part 195: Earthing & Protection Against Electric Shocks 1998.
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2.3. Advice for the Operator
MANUALS
The operation & maintenance manuals should be delivered to the responsible & in charge persons.
DELIVERY
Check the machines when they arrive at your premises. If you determine any damage occurred during the
transportation, apply & fulfill the related agreement conditions. Please contact Brobo Group for changing the
damaged parts & for ordering the new parts. Only use original spare parts for maintenance & repairing.
STORING
The machine should be used in a closed area & in a dry environment. It must not be used in the environments have
the risks of explosion.
INSTALLATION & STARTING
The installation & starting of the machine must be done by the experienced staff. The instructions must be observed
during all procedures.
PRECAUTIONS AGAINST ACCIDENTS
Comply with all instructions on the manuals for preventing accidents. The machines comply with international
standards ISO 9001
MAINTENANCE & CLEANING
The maintenance & cleaning should be done by the qualified person.
COPYRIGHT
The copy or simulation of our machines or some parts is not allowed without written permission from us.
WARRANTY
The warranty is applied according to the conditions of the agreement. The breakdowns caused using of foreign
spare parts supplied out of our company will be out of our warranty terms. Our company will have no responsibility
for the reason of the instructions do not comply or the wrong operation of non-capable staff.
Read the instruction manual before operating the Grinder
Keep the User Manual in a place just beside the machine where it is easily found.
Keep always the labels clean & in good condition
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Protective eyewear or goggles must be worn at all times while attending & operating the grinder.
Do not attempt to operate the machine unless all safety guards are in operation.
Ensure that hands & arms are kept clear of the grinding zone when the machine is operating.
Do not wear loose clothing with long sleeves & oversized gloves, bracelets, necklaces or any
other loose object that may become entangled in the machine’s wheel during grinding. Long hair
must be tied back or placed in a hair net.
Always disconnect the power supply to the machine before carrying out any maintenance
work or adjustments. This includes cases of abnormal operations of the machine.
The operator MUST NOT conduct any risky operations or those not required for the grinding in
course.
Never move the grinder while the machine is operating.
Always keep the workplace are as clean as possible.
Remove equipment, tools or any other objects from the grinding zone.
Support the workpiece to prevent it falling or jamming during the grinding cycle.
If the wheel jams during a grinding, activate the emergency stop function immediately
Always turn off the machine before carrying out any repair work. Consult the Brobo Group
Engineering Department in the country in which the machine was initially purchased.
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