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PENTA-7500 Belt Grinder 

 

I

NSTRUCTION 

M

ANUAL 

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3601 E. 34th St. Tucson, AZ  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. 

15 

 

 

 

P75-M-014 

Sliding block 

  

P75-M-015 

Cross slide guide 

  

P75-M-016 

Sample holder Grinding attachment 

 

P75-M-017 

Knob shaft 

 

P75-M-018 

Tension lever 

 

P75-M-019 

Tension Shaft Screw 

 

P75-M-020 

Locking ring for tension shaft 

 

Summary of Contents for PENTA-7500

Page 1: ...e metallographic com Web https www metallographic com Please read this instruction manual carefully and follow all installation operating and safety guidelines Equipment Type Belt Grinder Model PENTA 7500 Electrical Requirements 110 220 Volts Frequency 50 60 Hz Motor Power 0 75hp Manual Revision Date April 15 2020 Version 1 0 ...

Page 2: ...llographic com Please read this instruction manual carefully and follow all installation operating and safety guidelines i Contents Page Warranty ii 1 0 Product Description 1 2 0 Unpacking Shipping and Installation 3 3 0 Safety Guidelines 5 4 0 Start Up and Operation 6 5 0 Maintenance 10 6 0 Trouble Shooting 11 7 0 Metallographic Consumables 12 8 0 Spare Parts 14 ...

Page 3: ...d 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 PACE TECHNOLOGIES MAKES N...

Page 4: ...o 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...

Page 5: ...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...

Page 6: ...500 is a single belt hand grinder for coarse grit specimen planarization A unique benefit of the PENTA 7500 belt grinder is the fixture for planarizing specimen mounts This is very important for maintaining a square mount for automated polishing machines Another benefit is a high 0 75 horsepower motor that is capable of running the belt with enough torque to remove material from any sample A rinse...

Page 7: ...ty guidelines 2 1 2 Technical Specifications Electrical Specifications 110 220 Volts 50 60 Hz Roll Sizes 4 width x 36 length Motor Power 0 75 hp 550W Machine Weight Approx 120lbs 55kg Dimensions W x H x D Approx 18 5 x 23 x 15 470 mm x 580 mm x 370 mm Working Temperature 32 100 F 0 40 C Shipping Temperature 32 130 F 0 54 C Storage Temperature 32 100 F 0 40 C Belt Speed 43 ft second 13m s Construct...

Page 8: ...onents DO NOT DROP Caution Use care when moving machine The PENTA 7500 is shipped in a customized box Unpack the foam which is covering the machine from the box Then remove the unit from the remaining foam 2 1 Unpacking 2 3 Installation Install unit carefully Improper installation voids warranty The PENTA 7500 should be placed on a flat stable surface Connect to water supply drain and electrical o...

Page 9: ...he PENTA 7500 Proper operator training is required for operation of the PENTA 7500 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 Operate unit as specified in this manual Do not leave any specimen or other parts on the working surface When unit is not in use turn off the w...

Page 10: ...d follow all installation operating and safety guidelines 5 4 0 Start Up and Operation 4 1 General The PENTA 7500 is a belt grinder specifically designed for metallographic sample planarization 4 2 Loading Belts Easy Remove Sample holder Water Flow Control Flex Hose Faucet On Off Switch 1 Open the side panel of the PENTA 7500 and locate the pull arm 2 Rotate the pull arm to move the front wheel an...

Page 11: ...llation operating and safety guidelines 6 4 3 Mounting Specimens in Fixture 3 Remove the belt by sliding it off the wheel 4 Locate new belt 5 Slide new belt on and reposition pull arm to re tension the belt 1 Remove Holder by sliding it out of the slot 2 Flip Holder over and place sample inside the ring 3 Push sample inside holder 4 Flip Holder over and slide it back into the slot Push down on han...

Page 12: ... installation operating and safety guidelines 7 4 4 Grinding Samples After mounting the sample and placing the sample holder inside the slot start the machine Activate the water and adjust flow to preferred levels Push down on the sample holder handle to apply pressure to the sample Do not move sample holder back and forth during grinding The holder is spring enabled If pressure is released to sam...

Page 13: ...tioning damage Approach the area of interest Rough Polishing Remove all the subsurface damage and microstructural damage produced during cutting and rough grinding superficial scratches may still be present after this step Final Polishing Generally more for cosmetic purposes than for removing microstructural damage In most cases this stage should be minimized to avoid over polishing and distorting...

Page 14: ... to increase the life of the grinder it is suggested that the unit be rinsed after use 5 2 Cleaning Inside Cabinet The inside of the cabinet where the belt mechanism is located should be cleaned and dried to avoid possible corrosion It is advised to leave the side panel open when finished using the machine to reduce humidity and allow air flow Do not use chemical or cleaning abrasives on the insid...

Page 15: ...ter tube is extremely bent 1 Open the water valve 2 Straighten out water tube Water leaking 1 Door is not closed completely 2 Drain hose plugged 3 Unit not tilted properly 4 Water flow is too high 1 Ensure nothing is blocking door from closing 2 Clean drain hose 3 Adjust front feet to slope towards drain hole 4 Reduce water flow to allow system to drain properly 6 0 Trouble Shooting More extensive...

Page 16: ... 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 11 7 0 Metallographic Consumables 7 1 Abrasive Paper Surface Roughness ...

Page 17: ...grinding belt recommended for course grinding 4 x36 Zr02 B120 5 box Long lasting durable 120 grit zirconia grinding belt recommended for course grinding 4 x36 ALO B120 5 box 120 grit moderate life alumina belt 4 x36 SIC B60 10 box 60 grit SiC belt 4 x36 SIC B80 10 box 80 grit SiC belt 4 x36 SIC B120 10 box 120 grit SiC belt 4 x36 SIC B180 10 box 180 grit SiC belt 4 x36 SIC B240 10 box 240 grit SiC...

Page 18: ...https www metallographic com Please read this instruction manual carefully and follow all installation operating and safety guidelines 13 8 0 Spare Parts Mechanical Components P75 M 001 PENTA 7500 wear plate P75 M 002 Roller side bracket P75 M 003 Motor bracket P75 M 004 Motor Belt Roller P75 M 005 Adjustment Roller P75 M 006 Adjustment roller shaft ...

Page 19: ...s www metallographic com Please read this instruction manual carefully and follow all installation operating and safety guidelines 14 P75 M 007 Spring tension shaft P75 M 008 Roller end plate P75 M 009 Roller bracket Left P75 M 010 Roller bracket Middle P75 M 011 water distribution rod P75 M 012 Sample holder post Left P75 M 013 Sample holder post Right ...

Page 20: ... https www metallographic com Please read this instruction manual carefully and follow all installation operating and safety guidelines 15 P75 M 014 Sliding block P75 M 015 Cross slide guide P75 M 016 Sample holder Grinding attachment P75 M 017 Knob shaft P75 M 018 Tension lever P75 M 019 Tension Shaft Screw P75 M 020 Locking ring for tension shaft ...

Page 21: ...lease read this instruction manual carefully and follow all installation operating and safety guidelines 16 P75 M 021 Belt adjustment nut P75 M 022 Belt adjustment screw P75 M 023 Belt adjustment Fixed block CB hole P75 M 024 Belt Adjustment Fixed block P75 M 025 Sample holder pushing surface P75 M 026 Slide block sample holder P75 M 027 Sample Holder Handle threaded shaft slide ...

Page 22: ...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 17 P75 M 028 SS flat bars 1 P75 M 029 SS flat bars 2 P75 M 030 Sample holder handle connecting shaft ...

Page 23: ...e metallographic com Web https www metallographic com Please read this instruction manual carefully and follow all installation operating and safety guidelines 18 Sheet Metal Parts P75 F 001 Top Cover P75 F 002 Back Panel P75 F 003 Motor Side panel P75 F 004 Grinding Side Panel P75 F 005 Sink drain tube bracket P75 F 006 Base ...

Page 24: ... 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 19 P75 F 007 Magnet bracket P75 F 008 Belt cover P75 F 009 Splash guard ...

Page 25: ...pace metallographic com Web https www metallographic com Please read this instruction manual carefully and follow all installation operating and safety guidelines 20 Standard Parts P FAUCET Faucet P75 001 Hinge 58mm P75 002 Door Magnet P75 P 001 Sink Rinse Tank P 3 4 25MF 3 4 Male to Female drain P75 003 Sample holder knob ...

Page 26: ...ease read this instruction manual carefully and follow all installation operating and safety guidelines 21 P75 004 Level Knob 25x15 5 8mm M4 P75 005 Tension spring 3 5 20 6 73 304 P75 006 Flat Plate spring 1 0 18 8 40 8 304 P75 007 Leveling Block spring 1 0 3 22 6 304 BB 17 35 Bearing 6003DDU 35x 17x10 P 3 4 E 25FF 3 4 female Drain 90 degree drain P 3 4 M 25BARB D Barb Water Drain ...

Page 27: ...m Please read this instruction manual carefully and follow all installation operating and safety guidelines 22 P75 P 004 1 4 water flow control valve PTC 1 4 E M 8MM G 1 4 8 elbow fitting PTC 1 2 M 8MM Water inlet fitting PTC 1 4 E M 6MM 1 4 elbow fitting PTC Y 8MM 8mm Y push to connect PTC 1 4 M 8MM 1 4 y fitting male to 8mm PTC AT 8MM Full Threaded double 8mm push to connect ...

Page 28: ...0 882 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 23 PTC M6 M 6MM M6 male to 6 push to connect PTC 6MM 8MM 6mm to 8mm hose push to connect ...

Page 29: ...w metallographic com Please read this instruction manual carefully and follow all installation operating and safety guidelines 24 Electrical Components POW F SWITCH On Off switch POW E STOP E Stop POW E STOP BASE Module base with contacts 1 normally closed red ZB2BZ102C POW BTN 110V 110V 220V Start Stop SOL 110V C 110V 220V 2 solenoid POW SWITCH Water switch ...

Page 30: ...598 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 25 P75 WIRES Wire Harness P75 T Template MOT BALDOR 550W BALDOR 550W 1400rpm 0 75hp single phase motor ...

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