Pace Technologies MEGA-T350S User manual

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
Equipment Type: 350 mm (~14-inch)
Manual Abrasive Cut-off Machine
Model: MEGA-T350S
Electrical Requirements: 208Y / 380 Volts (3-phase)
Frequency: 50/60 Hz
Motor Horsepower: 10.3 hp (7.7 KW/21 Nm)
maximum @380V 3-phase
Manual Revision Date: March 25, 2022
This instruction manual is
provided with each piece of
delivered equipment.

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
ii
WARRANTY
Terms and Conditions applying to all PACE Technologies Products
1. LIMITED WARRANTY AND DISCLAIMER:
PACE Technologies Products are warranted for two years from the purchase date to be free from defects in
material and workmanship under correct use, normal operating conditions, and proper application. PACE
Technologies obligation under this warranty shall be limited to the repair or exchange, at PACE
Technologies option, of any PACE Technologies Product or part which proves to be defective as provided
herein. PACE Technologies reserves the right to either inspect the product at Buyer’s location or require it
to be returned to the factory for inspection. Buyer is responsible for freight to and from factory on all
warranty claims. The above warranty does not extend to goods damaged or subjected to accident, abuse or
misuse after release from PACE Technologies warehouse, nor goods altered or repaired by anyone other
than specifically authorized PACE Technologies representatives. PACE Technologies shall not in any way
be responsible for the consequences of any alteration, modification or misuse unless previously approved in
writing by an officer of PACE Technologies. Note: Corrosion is considered a maintenance issue and not a
warranty issue.
PACE TECHNOLOGIES MAKES NO EXPRESS WARRANTIES OTHER THAN THOSE WHICH ARE
SPECIFICALLY DESCRIBED HEREIN. Any description of the goods sold hereunder, including any
reference to Buyer’s specifications and any description in catalogs, circulars and other written material
published by PACE Technologies, is the sole purpose of identifying such goods and shall not create an
express warranty that the goods shall conform to such description.
THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR
IMPLIED. THERE ARE NO IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR
PARTICULAR PURPOSE. THIS WARRANTY STATES PACE TECHNOLOGIES ENTIRE AND
EXCLUSIVE LIABILITY AND BUYER’S EXCLUSIVE REMEDY FOR ANY CLAIM FOR DAMAGES IN
CONNECTIONS WITH PACE TECHNOLOGIES PRODUCTS. PACE TECHNOLOGIES WILL IN NO
EVENT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES WHATSOEVER, NOR FOR
ANY SUM IN EXCESS OF THE PURCHASE PRICE.
2. LIABILITY CAP:
PACE Technologies maximum aggregate liability for loss and damage arising under, resulting from or in
connection with the supply or use of the Equipment and Consumables provided under this purchase, or
from the performance or breach of any obligation (s) imposed hereunder, whether such liability arises
from any one or more claims or actions for breach of contract, tort, (including negligence), delayed
completion, warranty, indemnity, strict liability or otherwise, unless otherwise limited by the terms hereof,
shall be limited to one hundred percent (100%) of the purchase price.
3. DELIVERY:
Customer assumes and shall bear the risk of all loss or damage to the Products from every cause
whatsoever, whether or not insured, and title to such Products shall pass to Customer upon PACE
Technologies delivery of the Products to the common carrier of Pace Technologies choice, or the carrier
specified in writing by Customer, for shipment to Customer. Any claims for breakage, loss, delay, or damage
shall be made to the carrier by the Customer and Pace Technologies will render customer reasonable
assistance in prosecuting such claims.

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
iii
4. ACCEPTANCE:
Customer shall inspect the Products promptly upon receipt of delivery. Unless customer objects in writing
within thirty (30) business days thereafter, customer shall be deemed to have accepted the Products. All
claims for damages, errors, or shortage in Products delivered shall be made by Customer in writing within
such five (5) business day period. Failure to make any claim timely shall constitute acceptance of the
Products.
5. PAYMENT:
Customer agrees to provide timely payment for the Products in accordance with the terms of payment set
forth on the reverse side hereof or in any proposal submitted herewith. If any payment is not paid on or
before its due date, Customer shall pay interest on such late payment from the due date until paid at the
lesser of 12% per annum or the maximum rate allowed by law.
6. DEFAULT:
If Buyer is in default (including, but not limited to, the failure by Buyer to pay all amounts due and payable
to Seller) under the work or purchase order or any other agreement between Buyer and Seller, Buyer ’s
rights under the warranty shall be suspended during any period of such default and the original warranty
period will not be extended beyond its original expiration date despite such suspension of warranty rights.
7. MISCELLANEOUS PROVISIONS:
This agreement has been made in and shall be governed by the laws of the State of Arizona. These terms and
conditions and the description of the Products on the reverse side hereof or in any proposal submitted herewith
constitute the entire agreement and understanding of the parties with respect to this sale and supersede all
prior and contemporaneous agreements or understandings, inducements or representations, expressed or
implied, written or oral, between the parties with respect hereto. Any term or provision of this Agreement may
be amended, and any observance of any term of this Agreement may be waived, only by a writing signed by the
party to be bounds. The waiver by a party of any breach shall not be deemed to constitute a waiver of any other
breach. Should suit be brought on this Agreement, the prevailing party shall be entitled to recover its
reasonable attorneys’ fees and other costs of suit including costs and attorneys’ fees incurred on appeal or in
collection of any judgment., errors, or shortage in Products delivered shall be made by Customer in writing
within such five (5) business day period. Failure to make any claim timely shall constitute acceptance of the
Products.
5. RESOCKING FEE:
All returns are subject to a restocking charge equal to 15% (fifteen per cent) of the Invoice, unless the Goods are
proved to be non-conformed.
6. PAYMENT:
Customer agrees to provide timely payment for the Products in accordance with the terms of payment set forth on
the reverse side hereof or in any proposal submitted herewith. If any payment is not paid on or before its due
date, Customer shall pay interest on such late payment from the due date until paid at the lesser of 12% per
annum or the maximum rate allowed by law.
7. DEFAULT:
If Buyer is in default (including, but not limited to, the failure by Buyer to pay all amounts due and payable to
Seller) under the work or purchase order or any other agreement between Buyer and Seller, Buyer’s rights under
the warranty shall be suspended during any period of such default and the original warranty period will not be
extended beyond its original expiration date despite such suspension of warranty rights.

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
8. MISCELLANEOUS PROVISIONS:
This agreement has been made in and shall be governed by the laws of the State of Arizona. These terms and
conditions and the description of the Products on the reverse side hereof or in any proposal submitted herewith
constitute the entire agreement and understanding of the parties with respect to this sale and supersede all prior
and contemporaneous agreements or understandings, inducements or representations, expressed or implied,
written or oral, between the parties with respect hereto. Any term or provision of this Agreement may be
amended, and any observance of any term of this Agreement may be waived, only by a writing signed by the
party to be bounds. The waiver by a party of any breach shall not be deemed to constitute a waiver of any other
breach. Should suit be brought on this Agreement, the prevailing party shall be entitled to recover its
reasonable attorneys’ fees and other costs of suit including costs and attorneys’ fees incurred on appeal or in
collection of any judgment.
iv

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
Contents
PAGE
Nameplate i
Warranty ii
1.0 Product Description 1
2.0 Shipping, Unpacking and Installation 6
3.0 Safety Guidelines 9
4.0 Start-Up and Operation 12
5.0 Maintenance 18
6.0 Trouble Shooting 19
7.0 Cutting Basics 20
8.0 Electrical and Mechanical Drawings 23
v

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
1.0 Product Description
The MEGA-T350S is a manual wheel feed or
table feed abrasive cut-off machine for cutting
materials ranging from soft aluminum metals to
hardened tool steels. It is ideal for the
metallographic laboratory, as well as for small
industrial or production applications.
The MEGA-T350S is very robust and durable
with its cast aluminum alloy and stainless steel
construction. Featuring a corrosion-free T-slot
table, the MEGA-T350S is a very versatile
wheel / table feed floor model metallographic
cutter.
1
Control
Screen Manual
wheel feed
Cutting
chamber
Table wheel
feed
Blade Height
Locking
Screw
Safety
Lock-out
Emergency
Stop
Control
knobs
Powerful motor
The MEGA-T350S is equipped with a powerful
belt driven servo motor. In addition, the motor
has an inductive brake for faster stopping of the
blade (approx. 2 seconds).
Manual feed and table feed cutting
The MEGA-T350S is an easy-to-use manual
cutter with simple controls. Cutting can be
accomplished with either a wheel feed or table
feed.
The MEGA-T350S also has a removable side
port panel for sectioning longer samples.
Base cabinet
stand

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
2
T-slot table
Rinse hose
LED light
Removable side
port for longer
feed through
samples
Removable side
port for longer
feed through
samples
Pass through side panels for
long sample access
Safety lock-out
for protecting
user against
moving blade
Red flashing
overload light when
current setting is
exceeded

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
Coolant applied directly
to the blade
Flexible coolant
hose for
application to
cutting area
Easy to use
vises
3

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
1.2 Technical Specifications
Electrical specifications: 208Y (3-phase or 120/120/120 to ground) or 380V 3-phase
Motor power: Constant torque variable speed
Servo Motor - 10.3 hp (7.7 KW/21 Nm)
theoretical maximum
Speed (rpm): Variable 1500-3500 rpm
Adjustable cutting load: 2-15 amps
Electronic motor brake Stops in ~2 seconds
Cut-off wheels: 14-inch mm (~350 mm) diameter
Wheel arbor: 32 mm (~1.25 inch) diameter
Maximum sample diameter: 4.5-inch (115 mm) diameter
3 x 6-inches (75 x 150 mm) (HxD)
Wheel feed Manual
Table feed Manual
Vertical movement 3-inch (75 mm)
Table feed movement
(y-axis)
7.5-inch (190 mm)
Weight: Approx. 650 lbs (300 kg)
Dimensions (WxDxH): Hood Closed: 42 x 42 x 64-inch
(1070 cm x 1070 cm x 1625 cm)
Hood Open: 42 x 42 x 70-inch
(1070 cm x 1070 cm x 1780 cm)
Table dimensions (WxD): 11 x 18.25-inch t-slot
(280 x 470 mm)
Cutting chamber: Cast aluminum block construction
Hood and body Fabricated steel with shock resistant plastic window
Working temperature: 32° - 100°F (0 - 40°C)
Shipping temperature: 32° - 100°F (0 - 40°C)
Storage temperature: 32° - 100°F (0 - 40°C)
Recirculation system (included): 14 gallons (53 liters)
4
EU Directives: Machinery directive 2006/42/EC
RoHS Directive 2011/65/EU

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
1.3 Mechanical Schematic
Note: Installation of the MEGA-T350S should be on a flat sturdy surface, with easy access to
electrical connections.
5
MEGA-T350S hood open dimensions
MEGA-T350S hood closed dimensions

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
2.0 Unpacking, Shipping and Installation
2.1 Unpacking Unit is delivered in a crate. Unpack and check for completeness of
parts.
Measures WxHxD: Approx. 33.5 x 37.5 x 60-inch
Weight: Approximately 650 lbs.
2.2 Shipping When moving crate, lift from bottom. To move MEGA-T350S use
support bars provided with the machine.
The MEGA-T350S is constructed of sensitive electronic and
mechanical components. Do not drop.
! Caution: Heavy equipment. Take care to avoid bodily injury.
6
(Installation continued on next page)

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
!
Install unit carefully! Improper installation voids warranty.
!
The MEGA-T350S should be placed on a flat stable surface.
Connect coolant tank
supply, drain and
electrical connections.
!
Electrical connections—The standard saw is designed to operate at 208-220V 3-phase
(120V-120V-120V-ground) (optional 380V)
Verify voltage on nameplate
!
Verify the direction of rotation of the cut-off wheel. The wheel should turn from top to bottom
as viewed from the front of the machine. If not reverse any two of the 3-phase power wires.
2.3 Installation
Main
Power
switch
(Installation continued on next page)
7
Inlet Coolant
Pump
Electrical
Drain Line
Main
Power
Rinse
Supply

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
Recirculating tank connections
8
(Installation continued on next page)
Drain into
screen
Pump
Tank
drain
valve
External coolant supply: Attach 3/4-inch tube between pump and cutter.
Drain: 1.5-inch (38 mm) tube.
Electrical connections: Connect electrical power cable to source.
Note: Inspect the operating voltage on the name plate.
Electrical connection for
external coolant supply: Power for recirculation system comes from the MEGA-T300S,
Recommended Coolant: To minimize corrosion a coolant with a anti-corrosion additive or an oil
emulsion coolant is recommended. Note: It is recommended that the
coolant be changed every 50 cuts or every week, whichever occurs
first.

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
3.0 Safety Guidelines
3.1 Warning Sign
!This sign points to special safety features on the machine.
The MEGA-T350S abrasive cutter has been designed for cutting metallographic specimens.
DO NOT CUT oversize samples. Always follow proper operational guidelines and avoid
contact with moving parts, lubricants and abrasives. Seek appropriate medical care for
cutting injuries.
3.3 Emergency Statement
3.2 Safety Precautions
9
Careful attention to this instruction manual and the recommended safety guidelines is
essential for the safe operation of the MEGA-T350S.
Proper operator training is required for the safe operation of the MEGA-T350S. Any
unauthorized mechanical and electrical change, as well as improper operation, voids all
warranty claims. All service issues need to be reported to the manufacturer / supplier.
!
Before operating, cutting chamber hood must be closed. After cutting, the safety latch will not
open for approximately 2-8 seconds after pressing the emergency or red stop (red) button.
!
Use only certified cut-off wheels from a professional supplier. Improper blades selection voids
warranty. (For appropriate blade selection, refer to the Abrasive Blade Selection Guidelines
Chart in Section 4.4)
!Disconnect power before opening the main unit.
!Replacement parts should be installed only by qualified personnel.
!Securely clamp the part / sample to the working table. During cutting, consider that the part
may pinch and cause jamming of the cut-off wheel. Use the appropriate clamping devices to
avoid this occurrence.
!Never start a cut under load.
!Make sure that the cut-off blade is rotating down and into the sample.

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
Recirculation tank
The MEGA-T350S is equipped with a
coarse filter to remove large particulate
and broken blades
Note: Dispose of the old coolant in
accordance with federal, state and
local regulations.
Electrical
connection
Pressure
line
After cutting, it is recommended
that the cutting chamber be rinsed
to prevent debris and corrosion
build-up.
Water
valve
Rinse line
10
Drain
line
Coarse
strainer

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
3.4 Safety Tests
!
Examine and verify that the MEGA-T350S safety
devices and operating performance are in good working
condition prior to use. The following safety checks are
considered important:
Emergency stop switch
Magnetic Safety switch
11
Test: Activate main switch and close hood;
depress emergency stop switch.
Proper
Response: Machine powers down and motor
stops in 2-8 seconds
Malfunction: Machine does not lose power.
Corrective
measure:
If system does not power down,
disconnect power supply cord and call
service technician.
Magnetic safety lock out switch
Test: Activate main switch and close hood;
turn cut-off wheel ON then OFF;
Try to open the hood.
Proper
Response:
Hood does not open for approximately 3
-5 seconds.
Malfunction: Hood opens immediately.
Corrective
measure:
If cut-off wheel does not power down,
disconnect power supply cord and call
service technician.
Emergency stop switch

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
4.0 Start-up and Operation
4.1 General
The MEGA-T350S is a manual wheel and manual table feed cutter.
12
4.2 Control Panel
Coolant
ON/AUTO/OFF
Cutting wheel ON/: Starts the cutting wheel.
Cutting wheel OFF/: Stops the cutting wheel (inductive brake engages to slow
wheel). Hood cannot be opened until safety lock releases in
approximately ~2-8 seconds after pressing the stop button.
Coolant ON/AUTO/OFF: Operates the coolant pump in Auto or Manual mode.
Light ON/OFF: Turns inside chamber light On or Off.
Selector / adjuster
knob
Rotate to select feature, push to accept
Cutting
wheel (ON)
Light
ON/OFF
Cutting
wheel (OFF)
Selector /
adjuster
knob
Information
Screen

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
Start up screen - Press control panel knob to
progress to information screen
START UP SCREEN
INFORMATION READY SCREEN
OPERATING SCREEN
Information screen - set speed and force (amps)
by rotating selector knob to highlight parameter
in green, press knob, rotate to adjust parameter,
press knob to set. Repeat for other parameter.
Set
Speed
Actual
Operating
Speed
Cutting
force
(amps)
Setting
Percentage
or fraction
of amps to
set amount
13

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
4.3 Wheel and Table Feed
Wheel feed
(chop cut)
Unlock wheel
feed by turning
lever counter-
clockwise
4.3.1 Wheel feed cutting
4.3.2 Table feed cutting
Open wheel spinner
Table feed
wheel
Lock wheel
by turning
lever
clockwise
14
Wheel lock

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MEGA-T350S
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: https://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
1. Remove blade locking bolt (reverse threaded).
2. Position new 300 mm abrasive cut-off wheel into position.
Use only certified abrasive cut-off wheels.
3. Gently tighten blade locking bolt (Note: locking bolt is reverse
threaded).
4.4 Changing abrasive cut-off wheels
15
!
Changing Blade
Remove: Loosen by
turning clockwise
Tighten: Turn counter-
clockwise
To prevent
shaft from
turning, push
in locking rod
to hold in place