RJG Lynx LS-B-127-125 Product Manual Download Page 1

PRODUCT MANUAL

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LS‑B‑127‑50, LS‑B‑127‑125, 

LS‑B‑127‑500, LS‑B‑127‑2000  

Summary of Contents for Lynx LS-B-127-125

Page 1: ...PRODUCT MANUAL Training and Technology for Injection Molding Lynx Single Channel Strain Gage Button Sensors LS B 127 50 LS B 127 125 LS B 127 500 LS B 127 2000...

Page 2: ...PRINT DATE 07 21 2020 REVISION NO 0...

Page 3: ...EJECTOR PIN SIZE 2 SELECTION CHARTS 2 OPERATION 4 BUTTON STYLE UNDER PIN 4 STRAIN GAGE SENSORS 4 DIMENSIONS 5 SENSORS 5 CABLE LENGTHS 5 CABLE ROUTING OPTIONS 5 INSTALLATION INSTALLATION OVERVIEW 8 CL...

Page 4: ...S 30 NON STANDARD INSTALLATIONS 31 STATIC NON MOVING EJECTOR PINS 31 MULTIPLE EJECTOR PINS 34 STATIC PIN EXAMPLE 35 STATIC TRANSFER PIN EXAMPLES 36 INSTALLATION VALIDATION SENSOR INSTALLATION CHECK CL...

Page 5: ...SENSOR RECALIBRATION 48 WARRANTY 49 RJG INC STANDARD THREE YEAR WARRANTY 49 PRODUCT DISCLAIMER 49 TROUBLESHOOTING INSTALLATION ERRORS 51 EJECTOR PIN ISSUES 51 SENSOR HEAD ISSUES 52 CASE AND CABLE ISS...

Page 6: ...Lynx Strain Gage Button Sensors LS B 127 50 125 500 2000 Product Manual iv RJG Inc...

Page 7: ...endations for use of such material or designs in the infringement of any patent PRIVACY Designed and developed by RJG Inc Manual design format and structure copyright 2020 RJG Inc content documentatio...

Page 8: ...Lynx Strain Gage Button Sensors LS B 127 50 125 500 2000 Product Manual vi RJG Inc...

Page 9: ...stems the exclusive Lynx digital technology sensors are designed for use with the RJG eDART and CoPilot process control and monitoring systems APPLICATIONS SINGLE CHANNEL SENSORS Button style cavity p...

Page 10: ...l Units NORMAL PRESSURE HIGH PRESSURE Pin Size Sensor Model Sensor Model 3 64 LS B 127 50 LS B 127 50 1 16 LS B 127 50 LS B 127 50 5 64 LS B 127 50 LS B 127 125 3 32 LS B 127 125 LS B 127 125 7 64 LS...

Page 11: ...00 4 0 mm LS B 127 500 LS B 127 500 4 5 mm LS B 127 500 LS B 127 500 5 0 mm LS B 127 500 LS B 127 500 5 5 mm LS B 127 500 LS B 127 500 6 0 mm LS B 127 500 LS B 127 500 6 5 mm LS B 127 2000 LS B 127 20...

Page 12: ...sensing elements The sensor sends out a low level voltage signal which is proportional to the amount of force applied by the pressure placed on the pin and transferred to the sensor The voltage measur...

Page 13: ...Length must be longer than needed to facilitate safe installation and removal of connector from tool to prevent tension on the lead wire generally 2 3 50 75 mm of slack is sufficient Use good sense t...

Page 14: ...Lynx Strain Gage Button Sensors LS B 127 50 125 500 2000 Product Manual 6 RJG Inc...

Page 15: ...ct the sensor from damaging shock loads that are applied when the ejector plate moves forward and backward the sensor s cable is also protected from pinching since it is not necessary to disassemble t...

Page 16: ...e installation concept refer to figure at top right CLAMP PLATE HEAD TO HEAD INSTALLATION Apply the clamp plate head to head installation to instances where the ejector and transfer pins are greater t...

Page 17: ...pplied to the pin surface Beyond 30 force is lost to friction as the pin is directed sideways into the mold steel instead of directly back onto the sensor This effect will be magnified by smaller pins...

Page 18: ...Lynx Strain Gage Button Sensors LS B 127 50 125 500 2000 Product Manual 10 RJG Inc INSTALLATION SPECIFICATIONS CLAMP PLATE TYPICAL INSTALLATION...

Page 19: ...t Thickness 0 05 1 5 mm 20 1 5th of the thickness part Part Thickness 0 05 1 5 mm 0 01 0 3 mm 0 01 0 3 mm MIN Counterbore in Ejector Plate Transfer Pin Flush with Ejector Plate 45 Chamfer refer to Cha...

Page 20: ...t right MIN Chamfer the transfer pin head pocket at 45 4 at right to the lead in of clamp plate and fit the pin with an H7 g6 fit 5 i at right for at least 0 50 12 0 mm MIN NOTE There must be 0 50 12...

Page 21: ...mfer the lead in edge 45 3 at right refer to the following table for chamfer length CHAMFER LENGTH Ejector Pin DIA Chamfer Length 0 04 0 08 1 0 2 0 mm 0 01 0 3 mm 0 10 0 20 2 5 5 0 mm 0 02 0 4 mm 0 24...

Page 22: ...Lynx Strain Gage Button Sensors LS B 127 50 125 500 2000 Product Manual 14 RJG Inc CLAMP PLATE HEAD TO HEAD INSTALLATION INSTALLATION SPECIFICATIONS continued...

Page 23: ...5 mm MIN Per Side 0 01 MIN 0 3 mm MIN DETAIL B 45 Chamfer refer to Chamfer Length Table 45 Chamfer refer to Chamfer Length Table Transfer Pin DIA 0 04 1 0 mm IF 0 12 3 0 mm 0 06 1 5 mm IF 0 12 3 0 mm...

Page 24: ...ransfer pin must be concentric within 0 030 0 76 mm or 10 of ejector pin diameter whichever is smaller Ejector and transfer pin must be equal in diameter Transfer pin pockets must be centered under th...

Page 25: ...er side Allow clearance above the ejector pin head If the part thickness is 0 05 1 5 mm the clearance should equal 20 of the part thickness If the part thickness is 0 05 1 5 mm the clearance should eq...

Page 26: ...ontinued COVER PLATE CLAMP PLATE INSTALLATIONS The cover plate must be made of SAE 1080 steel AFNOR XC70 XC80 32HRC The cover plate may be an additional whole plate added to the stack and secured with...

Page 27: ...LSHC LS B 127 500 0 25 6 0 mm 10 32 LSHC M5 LSHC LS B 127 2000 0 25 6 0 mm 10 32 LSHC M5 LSHC Incorporate and install screws 2 at right in the cover plate design on each side of the sensor diameter to...

Page 28: ...B B 0 001 0 001 0 03 0 03 A A 0 001 0 001 0 03 0 03 0 374 0 002 0 001 9 49 mm 0 01 0 02 MIN 0 5 mm MIN IF Part Thickness 0 05 1 5 mm 1 5 of Thickness IF Part Thickness 0 05 1 5 mm 0 01 0 3 mm Ejector...

Page 29: ...TALLATION SPECIFICATIONS continued NOTE Ejector pin head clearance not to exceed 20 1 5th of part thickness at point of pin part convergence Hole basis for ejector pins is ISO standard clearance fit H...

Page 30: ...ENSOR CABLE CHANNELS INSTALLATION SPECIFICATIONS continued R 0 02 MIN 0 5 mm MIN 1 0 MIN 25 mm MIN Before Cable Bend for LS B 127 125 500 2000 1 6 MIN 40 mm MIN for LS B 127 50 0 25 6 0 mm Depth 0 6 1...

Page 31: ...channel width of 0 25 6 mm 1 at right with and depth 0 6 15 mm 2 at right at entrance and 0 38 9 5 mm along remainder 2 Sensor Cable Bend The sensor cable must not be bent within 1 00 25 mm 3 at righ...

Page 32: ...retention strategies must be considered during the mold design phase Cables are often not the exact size needed or do not easily remain in the cable channels during assembly and must be retained using...

Page 33: ...tra cable Though RJG does not currently provide a solution specifically for this application plastic or metal discs with a centrally located hole retained by a single bolt through the center can be us...

Page 34: ...l front facing faces direction in which the mold moves to the mold movement for clamp plate installations to allow access to the Lynx cable Install the Lynx sensor case on the outside of the mold usin...

Page 35: ...tallations to prevent damage to sensor components Install the Lynx sensor case on the outside of the mold using the provided socket head cap screws 8 32 x 1 75 M4 not provided by RJG 8 32 M4 4 Places...

Page 36: ...ls In order to meet the temperature conditions for the sensor electronics in the sensor case a riser can be constructed on which to mount the case provided that there is adequate space on the mold and...

Page 37: ...le stackers at right to provide storage for excess cable Refer to the table below for cable stacker storage specifications STACKER INSTALLED ON LYNX CASE STACKER SIDE VIEW STACKER TOP VIEW WITH CABLE...

Page 38: ...ases may be stacked and even embedded in a mold provided that temperature and connection clearances are observed straight connection Lynx cables CE LX5 must be used in order to stack the Lynx cases ex...

Page 39: ...r time Successful static pin installation provides lower sensor and installation costs easier sensor maintenance flexibility in sensor and pin sizing and freedom in sensor location 2 Ejector Pin Bore...

Page 40: ...O Ring Installation Improper O ring installation can cause tears if it is pulled over the sharp ejector pin edge Use an installation tool constructed of the same diameter as the ejector pin with a tap...

Page 41: ...talled Proper installation will provide a long service life of O rings inside the mold Only in the event of the following two instances will O rings require replacement 8 Flashing If material flashes...

Page 42: ...revent other pins from interfering The ejector pin retainer plate is modified to fit the cover plate so that it is recessed and flush with the ejector plate and covers the area of the sensor body and...

Page 43: ...Product Manual Lynx Strain Gage Button Sensors LS B 127 50 125 500 2000 RJG Inc 35 NON STANDARD INSTALLATIONS continued STATIC PIN EXAMPLE...

Page 44: ...Lynx Strain Gage Button Sensors LS B 127 50 125 500 2000 Product Manual 36 RJG Inc STATIC TRANSFER PIN EXAMPLES NON STANDARD INSTALLATIONS continued...

Page 45: ...there should be 0 012 0 02 0 3 0 5 mm clearance between the sensor bottom and the clamp plate sensor pocket bottom before the cover plate surface Verify that the pin moves freely without any resistanc...

Page 46: ...ctor retainer plate surface 4 Flush Test Full Stack With the sensor ejector and transfer pin installed and the ejector plate in the injection position fixed towards clamp plate the ejector pin should...

Page 47: ...otrusion Test without sensor With the ejector and transfer pins installed the ejector plate in injection position and the ejector plate fixed towards clamp plate press the ejector and transfer pin tog...

Page 48: ...ecess in the ejector plate 0 008 0 01 0 2 0 3 mm 3 Flush Test with sensor With the sensor ejector and transfer pin installed and the ejector plate in the injection position fixed towards clamp plate t...

Page 49: ...he transfer pin installed push on the transfer pin head and verify a clearance of exists 0 012 0 3 mm MIN between the transfer pin head and retainer ejector plate surface 2 Indentation Test with Eject...

Page 50: ...before the cover plate surface Verify that the pin moves freely without any resistance 4 Flush Test Full Stack With the sensor ejector and transfer pin installed and the ejector plate in the injection...

Page 51: ...ejector pin pocket is machined correctly 1 Protrusion Test without sensor With the ejector and transfer pins installed the ejector plate in injection position and the ejector plate fixed towards clamp...

Page 52: ...ess in the ejector plate 0 008 0 01 0 2 0 3 mm 3 Flush Test with sensor With the sensor ejector and transfer pin installed and the ejector plate in the injection position fixed towards clamp plate the...

Page 53: ...2 Flush Test with Sensor With the sensor installed in the ejector retainer plate verify that the counterbore depth equals 0 5mm if needed and the counterbore diameter is larger than the ejector pin h...

Page 54: ...alled push on the static pin verify the pin protrudes clearance above the pin head equal to 1 5th of the part thickness at pin location if part thickness is less than or equal to 0 06 1 5 mm or 0 012...

Page 55: ...load and zero shift and can also detect sensor installation errors caused by improper pocket dimensions damaged wires and damaged sensor heads A test report with sensor configuration can be emailed or...

Page 56: ...US Food and Drug Administration FDA quality system requirements must be met or those of other stringent quality systems sensor calibration may be required However even in these cases there is often f...

Page 57: ...ctor pin due to misalignment debris contamination or galling TESTING CALIBRATION continued WARRANTY RJG INC STANDARD THREE YEAR WARRANTY RJG Inc is confident in the quality and robustness of the LS B...

Page 58: ...Lynx Strain Gage Button Sensors LS B 127 50 125 500 2000 Product Manual 50 RJG Inc...

Page 59: ...expected temperature not appropriate for selected sensor Refer to Sensor and Ejector Pin Size on page 2 2 Ejector pin is located behind mold surface with angle greater than 30 1 at right Angles great...

Page 60: ...er the pin head to ensure that the pin rests only on the sensor nub 2 Sensor head is installed incorrectly 2 at right The sensor nub must face the ejector pin DO NOT install the sensor head upside dow...

Page 61: ...g Contact RJG Inc Customer support for high temperature applications 3 Lynx case is drilled to accommodate alternate mounting 2 at right NEVER drill the Lynx case Failure to comply will result in dama...

Page 62: ...B 127 50 125 500 2000 Product Manual 54 RJG Inc CUSTOMER SUPPORT Contact RJG s Customer Support team by phone or email RJG Inc Customer Support P 800 472 0566 Toll Free P 1 231 933 8170 email support...

Page 63: ...may be connected to the nine port junction box 4 at right which interfaces the Lynx devices with the eDART system The J LX9 CE can be mounted on the mold or machine LYNX CABLES CE LX5 The Lynx sensor...

Page 64: ...estate on the mold providing simplified installation of up to eight sensors to one connection point on the mold 1 Eight Channel Strain Gage Adapter with Mold ID SG LX8 S ID The SG LX8 S ID adapter re...

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