Epiroc BQ3-DTH Manual
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Epiroc BQ3-DTH Manual

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Grind Matic
BQ3-DTH
Operator's instructions
Spare parts list

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Summary of Contents for Epiroc BQ3-DTH

  • Page 1 Grind Matic BQ3-DTH Operator’s instructions Spare parts list...

  • Page 2: Table Of Contents

    Any unauthorized use or copying of all or part of the contents of this publication is prohibited. This applies in particular to trade- marks, model denominations, spare part numbers and drawings. Subject to alteration without prior notice. © Copyright 2019. Epiroc Drilling Tools AB, Fagersta, Sweden. Original instructions.

  • Page 3: Safety Instructions

    See “Applications“ . • The machine must not be modified without the permission of the manufacturer. Modifications not approved by Epiroc can incur the Risk of crushing. risk of serious injury to yourself and others.

  • Page 4: Technical Data

    Air pressure, maximum 101 psi / 7 bar Air consumption 40 l/min The Secoroc BQ3-DTH is intended for grinding DTH, COPROD and Speed, spindle (50 Hz) 14,900 r/min threaded button bits up to 178 mm in diameter. Speed, spindle (60 Hz)

  • Page 5: Controls And Other Parts

    Controls and other parts Filter/regulator Pressure gauge ON/OFF valve for air Feed-pressure gauge Coolant nozzle Potentiometer Centring arm Table rotation and Diamond grinding wheel coolant pump Grinding spindle Grinding spindle Main holder Manual / Automatic (mode A-B) Centring button Feed movement, manual Feed lever Feed movement, automatic Reset button...

  • Page 6: Installation

    STOP device. In the event of undervoltage or activation of the emergency STOP device, the system must be re-set prior to re-starting. To ensure that your Grind Matic BQ3-DTH grinding machine func- Compressed air tions satisfactorily for a long time: •...

  • Page 7: Grinding

    Grinding wheel General rules Adequate cooling is crucial to the service life of the grinding wheel, and also to the grinding result. Poor cooling can result in heat stresses being “ground into“ the cemented-carbide buttons, with button fracture as a result. The service life of the grinding •...
  • Page 8 As a rule, buttons are ground more quickly when the grinding wheel is new. With the Secoroc BQ3-DTH grinding machine, there are two differ- 14. Check the grinding result and adjust the potentiometer as nec- ent operating modes to choose between: essary.

  • Page 9: Maintenance

    Maintenance For best grinding results and wheel life: • Centralize the buttons precisely. • Make sure there is a generous flow of coolant at the point of contact. CAUTION • Grind carefully and do not rush. • Let the machine do the work. •...
  • Page 10 Grinding disc and driver plate Draining the air filter Drain the air filter regularly by pressing the drainage valve Make sure that the surfaces between the grinding disc and the upwards. The filter is also drained automatically when the driver plate are always clean. The O-ring between the two plates compressed air is switched off.

  • Page 11: Recommended Lubricants And Cooling Liquids

    Accessories Circuit breakers The standard settings of the circuit breakers are as the following: Bit holders for DTH and COPROD bits Part Description Voltage Frequency Current LRD 16 230 V 50, 60 Hz 10.7 A Product No� Spindle LRD 12 ≥380 V 50, 60 Hz 6.2 A...
  • Page 12 Diamond-grain wheels Centering cups For button size Product No� 7,0 mm 87001040 8,0 mm 87000842 Spherical Ballistic 9,0 mm 87001047 10,0 mm 87001041 Dimension, mm Product No� 11,0 mm 87000840 Spherical 12,0 mm 87001042 87004554 12,7 mm 87000839 87004555 13,0 mm 87001385 87003969 14,0 mm...

  • Page 13: Spare Parts List

    Spare parts Ref� No� Description See page Ref� No� Description See page Frame, body Page 14 Pneumatic components Page 24 Grinding unit Page 15 Bit holder for DTH and CO- Page 19 PROD bits Rotating table Page 17 Option bit holder for Flushing components Page 20 Page 30...
  • Page 14 Frame, body components Ref� No� Product No� Description Specification Ref� No� Product No� Description Specification 87003833 Stand upper 87000946 Washer BRB 4.3 87003834 Stand lower 87000503 Washer BRB 5.3 87003857 Collect tray 87000788 Washer BRB 6.4 Bracket control 87000131 Washer BRB 8.4 87003869 panel...
  • Page 15 Grinding unit Ref� No� Product No� Description Specification Ref� No� Product No� Description Specification 87003838 Guide 87000430 Washer BRB 13 87004045 Spindle Details p. 21 87000185 87003865 Splash guard 87000504 87004736 Holder complete 87000449 Screw 10x35 87004744 Strip 87001678 Screw 12x40 87003862 Rubber mat...
  • Page 16 Centring device Ref� No� Product No� Description Specification Ref� No� Product No� Description Specification 87004746 Bracket 87003579 Tension pin 4x40 87003850 Centering arm 87001333 Tension pin 6x20 87001387 Centering cup 16 mm 87004015 Grease nipple 87003586 Turning sleeve 87001703 87003582 Lock washer 87003707 Screw...
  • Page 17 Rotating table Ref� No� Product No� Description Specification Ref� No� Product No� Description Specification 87004626 87000496 87003858 Grinding disc 87000174 Screw 10x40 87003852 Bearing housing 87001482 O-ring 340x11 87003853 Washer 87003894 V-ring Vl-180 87003854 Screw 87003880 Circlip SgH 75 87003855 Spacer ring 87003430 Screw...
  • Page 18 Lifting arm Ref� No� Product No� Description Specification Ref� No� Product No� Description Specification 87004747 87004748 Screw 6x 55 87004649 Handle 87004749 Screw 6x65 87003773 87001071 Screw 8x20 87001888 Rubber grip 87003764 Spring 1x8x25 87000788 Washer BRB 6.4 87004750 Plug Ø...
  • Page 19 Bit holder for DTH and COPROD bits Ref� No� Product No� Description Specification Ref� No� Product No� Description Specification 87002324 Inner holder 87003893 Locking bar 87002319 Outer holder 87002361 Locking bar 87003839 Handle bar 87002360 Locking bar 87003841 Angle scale 87000185 87003918 Link snap lock...
  • Page 20 Flushing components...
  • Page 21 Ref� No� Product No� Qty Description Specification Ref� No� Product No� Qty Description Specification 87003421 Coolant tank 87000019 T-pipe 1/2"-1/4" 87003780 Bracket 87004585 Hose L = 2000 87001270 Valve 87000021 Nipple 1/2" 87004651 Bracket 87004655 Nipple 1/2" 87004652 Pipe 1/2" 87003700 Nipple 1/2"-3/8"...
  • Page 22 Electrical components...
  • Page 23 Ref� No� Product No� Qty Description Specification Ref� No� Product No� Qty Description Specification 87003793 Mounting rail 87003623 Din rail support WEW 35/2 87003679 Bracket 87000895 Contactor 87003678 Fork bridge Electric soft 87004761 starter, 3-p, 230 V 87001087 Electric button For lifting arm Electric soft 87001509...
  • Page 24 Pneumatic components...
  • Page 25 Ref� No� Product No� Description Specification Ref� No� Product No� Description Specification 87003771 Push plate 87004671 Valve block, complete 87003762 Spacer 87000863 Shut off valve 1/4" 87003861 Bracket 87000504 M6M M5 87003931 Flat bar 87004756 Screw 5x30 87127883 Nipple 1/4" 87000145 Screw 6x20...
  • Page 26 Electrical diagrams Ändring Datum 10-06-17 Kylpump 3-fas var 1-fas. Ny Drawing: 3-6312772�A01 mjukstart Nolledare bortplockad. Faser 2019-12-10 ÖLi omdöpta. Black Rk Yellow/Green Rk 1.5 3-6312773.A01 3-6312777.A01 SOFT START V/T2 U/T1 W/T3 10-12 MOTOR MOTOR MOTOR GRINDING COOLANT TABLE SPINDLE PUMP ROTATION Component list according to Det.
  • Page 27 Drawing: 3-6312774�A01 Drawing: 3-6312775�A01...
  • Page 28 Drawing: 3-6312776�A01 Drawing: 3-6312777�A01...
  • Page 29 Ref� No� Product No� Description Specification Ref� No� Product No� Description Specification 87000892 Circuit breaker 10A 3P 87003607 Relay 87003569 Circuit breaker 2A 1P 87003607 Relay Electric trans- 87003607 Relay 87004689 former 87004684 Button MAN/AUT 87000895 Contactor 87004683 Button Table rotation 87000895 Contactor START/RE-...
  • Page 30 Option bit holder for threaded bits Ref� No� Product No� Description Specification Ref� No� Product No� Description Specification Bit holder (A) 87000131 Washer BRB 8.4 87003542 Clamping device not incl. 87000926 Screw 8 X 16 Clamping device Bit holder (A) Complete 87004777 87003939...
  • Page 31 Fault finding Problem Cause Solution Incorrect connected Check and verify voltage Loose, broken or corroded connections Check terminals and wiring. Repair or renew. No electric voltage (no load) Tripped circuit breakers Reset circuit breakers Wrong rotation direction Adjust supply electric wire phase positions Position Lineup centering arm and spindle Spindle...
  • Page 32 United in performance. Inspired by innovation. Performance unites us, innovation inspires us, and commitment drives us to keep moving forward. Count on Epiroc to deliver the solutions you need to succeed today and the technology to lead tomorrow. epiroc.com...

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