Centroid DP-4 Operator'S Manual Download

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DP-4 Touch Probe

Operator's Manual

U.S Patent #6553682

Rev 2019-05-28

Howard, PA 16841

Summary of Contents for DP-4

Page 2: ...nfirm machine is responding to DP 4 input by running an automatic cycle without the probe in the spindle and manually touching the DP 4 stylus mount boss Refer to control operator s manual on how to r...

Page 3: ...Diameter Calibration Page 6 Performance Characteristics Page 8 Maintenance and Care Page 9 Shipping Instructions Page 9 Kit Contents Page 10 Common Cables Page 11 Connection Diagram universal Page 12...

Page 4: ...orms OUTPUT FEATURES The output signal is a sink type compatible with most control inputs that can be configured for normally open or closed logic See CONNECTION DIAGRAM UNIVERSAL section This choice...

Page 5: ...2 56 4mm Mounting shank diameter and length D 0 5 12 7mm L 1 47 37 2mm Stylus mount thread M3 Output signal Switch FET open drain 30V 50mA Output logic Selectable normally open or closed Power supply...

Page 6: ...he DP 4 Probe into the dedicated 0 500 tool holder STEP 2 Install the complete assembly into the milling machine spindle without the retractile cord STEP 3 Install the 2 5 or 5mm stylus in your DP 4 p...

Page 7: ...then begin at the highest point of the run out and set the dial indicator so it is at the limit of its range at this point STEP 6 Rotate the probe so that the nearest run out adjustment set screw is...

Page 8: ...nt begin by completing the Dialing in procedures for the probe tip Measure the run out at the base of the stylus stem the end away from the tip with the dial indicator If the run out is greater than t...

Page 9: ...n the desired direction and finally Cycle Start The control will jog the stylus in the direction of the single axis move selected Touch the stylus once and the control will stop and reverse travel the...

Page 10: ...appear on the screen that will display the measured diameter of the bore Subtract this number from the known diameter of the gauge bore The resulting number will be the calibrated diameter of the prob...

Page 11: ...tion procedures then accuracy becomes dependent on repeatability PRE TRAVEL VARIATION RADIAL DIGITIZING PRECISION BORE Typical pre travel variation for DP 4 probe showing variation over 720 degrees of...

Page 12: ...d in or aligned then the probe should be sent in for evaluation and repair Probing errors may be caused by many factors If the errors are random in nature check surface condition of stylus tip and pro...

Page 13: ...auge p n 3193 Size and type may vary 5mm Ruby tip stylus M3 thread 40mmlength p n 3360 3 32 hex wrench p n 2898 DP 4 Probe complete kit with protective case and accessories Inset shows outside of case...

Page 14: ...are needed for new Centroid TM systems See the appropriate appendix in this manual for additional required adapters connection diagrams and parameter settings for your installation 11 Probe Cable P N...

Page 15: ...as follows 1 Power DC voltage supply positive terminal connected to pin 2 negative to pin 5 2 Signal Current sinking type pin 3 appears connected to pin 5 when signal is active Pin 3 appears unconnect...

Page 16: ...have a much better feel for where these parameters need to be set to achieve the results to meet your job requirements The X Y and Z stepover The smaller the stepover distance the longer the digitizin...

Page 17: ...end of the program You can also use the text editor to turn coolant on and off by adding M7 MIST or M8 FLOOD at the beginning of the program and M9 COOLANT OFF at the end Remember you can have only on...

Page 18: ...n enable 155 0 Probe type enable 186 1 Probe stuck retry disable 366 1 Probe Deceleration Multiplier Probe Jog Parameters control jog speed when probe is connected Probe must decelerate to stop when c...

Page 19: ...ate 15 3 76 2 Slow Probing Rate 16 5 127 Maximum Search Distance 18 50771 PLC input Probe Detect Spindle Inhibit 120 0 020 0 508 Probe stuck clearance amount 121 0 020 0 508 Grid digitizing minimum Z...

Page 20: ...unt nominal 14 30 762 Fast Probing Rate 15 3 76 2 Slow Probing Rate 16 5 127 Maximum Search Distance 18 15 PLC input Probe Detect Spindle Inhibit 120 0 020 0 508 Probe stuck clearance amount 121 0 020...

Page 21: ...ose that require a current source signal The circuit shown below can be used to convert the probe tripped signal from current sink to current source if necessary The resistor value is calculated to pr...