Pace Technologies MEGA-T250S Instruction Manual Download

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NSTRUCTION

ANUAL

3601 E. 34th St. Tucson, AZ 85713 USA Tel. +1

520

882

6598 Fax +1

520

882

6599 email: [email protected] Web: https://www.metallographic.com

Please read this instruction manual carefully and follow all installation, operating and safety guidelines.

MEGA

T250S

Abrasive Cutter

Summary of Contents for MEGA-T250S

Page 1: ...follow all installation operating and safety guidelines MEGA T250S Abrasive Cutter Equipment Type 250 mm 10 inch Manual Abrasive Cut off Machine Model MEGA T250S Electrical Requirements 208Y 380 Volts 3 phase Frequency 50 60 Hz Motor Horsepower 8 7 hp 6 5 kW 13 Nm theoretical maximum 380V 3 phase Manual Revision Date March 25 2022 This instruction manual is provided with each piece of delivered eq...

Page 2: ...85713 USA Tel 1 520 882 6598 Fax 1 520 882 6599 email pace metallographic com Web https www metallographic com Please read this instruction manual carefully and follow all installation operating and safety guidelines MEGA T250S Abrasive Cutter iv ...

Page 3: ...ncluding 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 ...

Page 4: ...ded 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 sub...

Page 5: ...is instruction manual carefully and follow all installation operating and safety guidelines MEGA T250S Abrasive Cutter 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 Drawings 23 v ...

Page 6: ...S is very robust and durable with its cast aluminum alloy and stainless steel construction Featuring a corrosion free T slot table the MEGA T250S is a very versatile wheel table feed bench top 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 T250S is equipp...

Page 7: ...fully and follow all installation operating and safety guidelines MEGA T250S Abrasive Cutter 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 ...

Page 8: ...pace metallographic com Web https www metallographic com Please read this instruction manual carefully and follow all installation operating and safety guidelines MEGA T250S Abrasive Cutter Coolant applied directly to the blade Flexible coolant hose for application to cutting area Easy to use vises 3 ...

Page 9: ...eels 10 inch mm 250 mm diameter Wheel arbor 32 mm 1 25 inch diameter Maximum sample diameter 3 inch 75 mm diameter 2 x 8 inches 50 x 200 mm HxD Wheel feed Manual Table feed Manual Vertical movement 3 9 inch 100 mm Table feed movement y axis 4 inch 100 mm Weight Approx 375 lbs 170 kg Dimensions WxDxH Hood Closed 30 x 32 x 28 inch 760 cm x 810 cm x 640 cm Hood Open 30 x 39 x 37 inch 760 cm x 990 cm ...

Page 10: ...phic com Web https www metallographic com Please read this instruction manual carefully and follow all installation operating and safety guidelines MEGA T250S Abrasive Cutter 1 3 Mechanical Schematic Note Installation of the MEGA T250S should be on a flat sturdy surface with easy access to electrical connections 5 ...

Page 11: ...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 38 x 48 x 44 inch Weight Approximately 425 lbs 2 2 Shipping When moving crate lift from bottom To move MEGA T250S use support bars provided with the machine The MEGA T250S is constructed of sensitive electronic and mechanical components Do not drop Cau...

Page 12: ... 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 Warning if not connected properly to 3 phase power damage may occur to the motor and void the warranty Verify voltage on nameplate Verify the direction of rotation of the cut off wheel The wheel should turn from...

Page 13: ...reen 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 T250S Recommended Coolant To minimize corrosion a coolant wi...

Page 14: ...oper operator training is required for the safe operation of the MEGA T250S 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 eme...

Page 15: ...d safety guidelines MEGA T250S Abrasive Cutter Recirculation tank The MEGA T250S 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 val...

Page 16: ...gency 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...

Page 17: ...anual 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 l...

Page 18: ...MEGA T250S Abrasive Cutter Start up screen Press control panel knob to progress to information screen START UP SCREEN INFORMATION READY 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 Operating Speed Cutting force amps Setting Percentage or fract...

Page 19: ...e read this instruction manual carefully and follow all installation operating and safety guidelines MEGA T250S Abrasive Cutter 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 ...

Page 20: ...ty guidelines MEGA T250S Abrasive Cutter 1 Remove blade locking bolt reverse threaded 2 Position new 250 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 ...

Page 21: ...d 128 oz MAXCUT 1000 128 1 gallon MAXCUT 2 Cutting Fluid with Anticorrosion Additive 32 oz MAXCUT2 1000 32 32 oz MAXCUT 2 Cutting Fluid with Anticorrosion Additive 128 oz MAXCUT2 1000 128 1 gallon 250 mm 10 MAXCUT Abrasive Blades 32mm 1 Arbor Pace Product Name Catalog Number Packaging Soft Non ferrous Materials Aluminum Brass Zinc Etc MAX E250 10 Hard Non ferrous Materials MAX C250 10 Soft Steels ...

Page 22: ...ss on the samples Fixture examples 4 6 Fixturing sample 17 Fast clamping Left lever Cat No QCL 1100 Right lever Cat No QCR 1100 Note vises have a slot in them so that the face does not rotate UNIVERSAL Clamping vise UNIVERSAL Cat No MG15 01 Clamping height 0 3 5 in 0 90 mm MEGA Saddle Clamping vise 17 4 5 Manual cutting step by step procedure 1 Connect electrical power and turn on master power swi...

Page 23: ...s after use 3 When the cutter is not in use OPEN the HOOD to prevent humidity and corrosion build up inside the cutting chamber 4 If cutter will not be used for an extended period of time coat the table and vises with a water displacement oil such as WD 40 5 Use only recommended abrasive blades to minimize overheating the bearings and motor Do not exceed the recommend amp rating of the motor 6 Gre...

Page 24: ...elay Pump motor does not operate a Plug is disconnected b Overload relay activated a Check plug b Restart after resetting Q2 relay Excessive vibration during cutting a Not cutting with enough force b Specimen locked too far back on cutting table c Incorrect blade selection a Increase cutting force b Move specimen forward c Use correct blade Corrosion of table of vises a Improper cleaning and dryin...

Page 25: ...c sample preparation step 2 Minimize damage during sectioning 3 Less sectioning damage reduced number of grinding and polishing steps Note In some cases cutting damage cannot be removed by subsequent polishing operations especially for brittle samples Time Well Spent 1 Spend more time on sectioning in order to decrease overall sample preparation time 2 Protect integrity of the specimen with proper...

Page 26: ...Silicon Carbide Alumina Abrasive Bond Resin Rubber Cutting Force Control by motor current Cutter Speed Low 1500 2000 rpm Medium 2000 2500 rpm High 2500 3500 rpm Coolant Water based Oil Emulsion based Five variables for successful sectioning Metallographic Abrasive Blades Resin Bonded Blades Breakdown easily Less smell and burning More versatile Alumina abrasives Rubber Bonded Blades Longer life Pr...

Page 27: ...t metals medium load 6 10 amps Harder samples higher loads 11 15 amps Machine Parameters Material Abrasive Bond Blade Cutting Speed Cutting Force Soft non ferrous metals aluminum brass zinc etc Alumina resin MAX E 1500 rpm 2 5 amps Hard non ferrous metals titanium zirconium etc SiC rubber MAX C 2500 rpm 5 10 amps Soft steels Alumina resin MAX E 1500 rpm 5 10 amps Hard and case hardened steels Alum...

Page 28: ...el 1 520 882 6598 Fax 1 520 882 6599 email pace metallographic com Web https www metallographic com Please read this instruction manual carefully and follow all installation operating and safety guidelines MEGA T250S Abrasive Cutter 23 8 0 Electrical Drawing ...

Page 29: ...85713 USA Tel 1 520 882 6598 Fax 1 520 882 6599 email pace metallographic com Web https www metallographic com Please read this instruction manual carefully and follow all installation operating and safety guidelines MEGA T250S Abrasive Cutter 24 ...

Page 30: ...Z 85713 USA Tel 1 520 882 6598 Fax 1 520 882 6599 email pace metallographic com Web https www metallographic com Please read this instruction manual carefully and follow all installation operating and safety guidelines MEGA T250S Abrasive Cutter ...

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