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Pragati BTP-100, Instruction Manual

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Pragati BTP-100 Instruction Manual Download Page 7

5. Details of Electrical Connections

8

                                                                            BI-DIRECTIONAL TOOL TURRET

1

4

2

3

1. Torque Motor   2. Proximity Switch     3. Absolute Encoder   4.Thermal Relay

BTP-100 : 1.9 KVA
BTP-80   : 1.6 KVA
BTP-63   : 1.2 KVA
BTP-125 : 2.3 KVA

PROXIMITY SWITCH
(TURRET CLAMP SIGNAL)

Summary of Contents for BTP-100

Page 1: ...BI DIRECTIONAL TOOL TURRETS TOOL TURRETS TOOL TURRETS TOOL TURRETS TOOL TURRETS INSTRUCTION MANUAL JUNE 2003 BTP 63 BTP 80 BTP 100 BTP 125 v v v v v v v v v v v v v v v v v v v v...

Page 2: ...0 8 Handcranking 11 9 Lubrication 11 10 Turret control flow chart 12 11 Requirements of turret control 13 12 Adjustment of rotary encoder 14 13 Adjustment of proximity switch 15 14 Replacement of the...

Page 3: ...gforceandpullsthesliding coupling out of engagement Further 180 approx movement of cam shaft indexes the follower shaft through 90 which in turn indexes the turret by 30 or 45 depending on gear ratio...

Page 4: ...during one revolution of the cam shaft CAM ANGLE MOTOR TURRET CLAMP SWITCH BIT 1 BIT 2 BIT 4 BIT 8 STROBE PARITY ENCODER POSITION OF COUPLING TEETH DRUM CAM PROFILE PARRALLEL INDEX DRIVE 1 0 1 0 1 0...

Page 5: ...at the customer s place This is a difficult operation to be done on site and is most likely to be less than perfect On the other hand it is perfectly possible to use the turret and tool disc without...

Page 6: ...ssages in the tool disc before reaching the tool point It might therefore be necessary to employ high pressure coolant pump to ensure sufficient flow at tool point Coolant passages in tool turret can...

Page 7: ...ical Connections 8 BI DIRECTIONAL TOOL TURRET 1 4 2 3 1 Torque Motor 2 Proximity Switch 3 Absolute Encoder 4 Thermal Relay BTP 100 1 9 KVA BTP 80 1 6 KVA BTP 63 1 2 KVA BTP 125 2 3 KVA PROXIMITYSWITCH...

Page 8: ...s conduits They also give excellent protection against damage by hot chips FIG 6 2 DETAILS OF ELECTRICAL TERMINALS MOTORCURRENT Amps USEFUSERATINGABOUT THREETIMESMOTOR CURRENT MINIMUM 6A FUSE TO BE US...

Page 9: ...lid state relays should be incorporated in the motor circuit to ensure fastest possible dis connection Regular contactors can be used for motor direction selection followed by solid state relays at le...

Page 10: ...pproachable 3 Use a suitable cranked spanner to crank the motor 4 After cranking do not forget to place cover 119 back in position 119 118 114 HEX END FIG 8 1 FIG 9 1 9 Lubrication Turret is lubricate...

Page 11: ...AND START POSITION X DEMAND POSITION Y N NUMBER OF INDEX POSITIONS 8 12 OR 24 DEMAND VALID 1 Y N NO YES X Y Y X N 2 X Y N 2 START TORQUE MOTOR CCW START TORQUE MOTOR CW TURRET CLAMP SWITCH OFF E D B N...

Page 12: ...layshouldtripthemotorcontactor andalsogive Motoroverheating signaltothecontrol circuit Motor contactor should be tripped without depending on PLC software Typical circuit diagram is given in page 9 11...

Page 13: ...It is then possible that valid encoder feedback is not available because the turret has stopped in an intermediate position In such acase inMDImode thecontrolshouldchooseafixeddirectionofmotorrotatio...

Page 14: ...ch Bring the turret in clamped position by hand cranking Proximity switch is approachable after removing back cover 60 Switch is held in a clamp 153 and the clamp is bolted to the turret body by socke...

Page 15: ...FIG 15 2 VIEW WITH BACK COVER AND MOTOR REMOVED ACTUAL ORIENTATION OF AXES IS VISIBLE IN THIS VIEW 15 Assembly Drawings FIG 15 1 OVERALL ASSEMBLY ALL AXES ARE SHOWN IN ONE PLANE FOR CLARITY 140 141 14...

Page 16: ...FIG 15 3 MAIN SPINDLE ASSEMBLY BI DIRECTIONAL TOOL TURRETS 17...

Page 17: ...18 BI DIRECTIONAL TOOL TURRETS FIG 15 4B INDEXING DRIVE BTP 125 BTP 100 FIG 15 4A INDEXING DRIVE BTP 80 BTP 63...

Page 18: ...BI DIRECTIONAL TOOL TURRETS 19 FIG 15 6 MOTOR ASSEMBLY FIG 15 5 COOLANT VALVE ASSEMBLY...

Page 19: ...D SCR 112 STATOR 113 ROTOR 114 PINIONSHAFT 115 BEARING 116 CIRCLIP 117 THREADED 118 SOC HD SCR 119 COVER 120 O RING 121 MOTORBODY 130 COOLANTVALVEBUTTON 131 O RING 132 SPRING 133 O RING 134 PLUG 135 G...

Page 20: ...emoving circlip 88 fig 15 4 Loosen clamping screws 15 of friction ring coupling and pull out the index gear 13 Shafts II III IV can now be pulled out If necessary use threaded holes at the shaft centr...

Page 21: ...ge and fixed coupling compo nents 31 34 27 3 33 and keep thisassemblyinverticalpositionon a table fig 17 3 It is convenient if the assembly could be clamped to the table with the help of a plate as sh...

Page 22: ...lange 25 by a newflangeofsuitableextrathickness 17 17 Remove disc springs 11 and screwinlocknut 12 tillitbuttsagainst shaft shoulder Measure the gap be tween the nut face and threaded shoulder fig 17...

Page 23: ...eAssemblyofSpin dle and indexing drive Axis I II and III in main Body fig 17 7 Fitthepartialspindleassemblyintothe mainbody 45 withthehelpofbolts 2 and cyl pins 40 Also ensure that O Ring 41 is in pla...

Page 24: ...s located in back plate Clamp back plate to body with the help of bolts 150 and cylindrical pins 151 Now tighten bolts 15 to clamp indexing gear 13 onto the spindle Boltsareapproachablethroughholes in...

Page 25: ...Procedure for adjustment of ringfeder clamps 60 Back Cover 160 Drain Plug 24 Coolant Ring 26 coolant flange 162 Encoder connector strip 26 BI DIRECTIONAL TOOL TURRETS 18 Adjustment of Ringfeder Clamp...

Page 26: ...indexing flange and tool disc at some other tool position In such a case tool position number and encoder feedback will not match Crank the motor and bring the turret in clamped position as indicated...

Page 27: ...ller 78 Indexing drive 8 15 4 18 6 Track roller pins 77 Indexing drive 8 15 4 18 GROUP B SPARES 1 Oil seal 58 Spindle assembly 1 15 3 19 2 Oil seal 107 Motor 1 15 6 21 3 O Ring 5 Anti rotation key 1 1...

Page 28: ...Motor 13 Quantity Id X Wire dia Part No Assembly Reference No 1 110 X 2 0 41 Spindle Assembly 1 1 115 X 2 0 41 Spindle Assembly 2 1 62 X 2 0 34 Spindle Assembly 3 1 129 X 2 0 39 Coolant Ring 4 1 12 X...

Page 29: ...2 0 133 Coolant valve 9 1 24 X 2 0 5 Anti Rotation key 10 1 135 X 3 0 108 Motor 11 1 25 X 2 0 120 Motor 12 1 60 X 80 X 10 58 Spindle Assembly 13 1 30 X 47 X 7 107 Motor 14 Quantity Id X Wire dia Part...

Page 30: ...TCH FAULT IN CONTROL CIRCUIT A B C CRANK THE TURRET BY HAND OBSERVE ENCODER SIGNALS IF DEFECTIVE REPLACE ENCODER CHECK WHETHER PROXIMITY SWITCH SIGNAL IS PRESENT AT PROPER TIME DURING HAND CRACKING IF...

Page 31: ...ragati Automation Pvt Ltd 413 IV Phase 11th Cross Peenya Industrial Area Bangalore 560 058 INDIA Ph 91 80 2836 1543 Fax 91 80 2836 1549 URL http www pragati automation com Years 1 9 7 7 2 0 0 2 S I L...

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