RJG Lynx LES-B-127-50 Product Manual

RJG Lynx LES-B-127-50 Product Manual

Embedded sensors
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PRODUCT MANUAL
PRODUCT MANUAL
Lynx™ Embedded Sensors
LES‑B‑127‑50, LES‑B‑127‑125,
LES‑B‑127‑500, & LES‑B‑127‑2000
Training and Technology for Injection Molding

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Summary of Contents for RJG Lynx LES-B-127-50

  • Page 1 PRODUCT MANUAL PRODUCT MANUAL Lynx™ Embedded Sensors LES‑B‑127‑50, LES‑B‑127‑125, LES‑B‑127‑500, & LES‑B‑127‑2000 Training and Technology for Injection Molding...
  • Page 2 PRINT DATE 08.24.2021 REVISION NO.
  • Page 3: Table Of Contents

    PRODUCT MANUAL Lynx™ Embedded Sensors LES‑B‑127‑50, LES‑B‑127‑125, LES‑B‑127‑500, & LES‑B‑127‑2000 INTRODUCTION DISCLAIMER PRIVACY ALERTS ABBREVIATIONS PRODUCT DESCRIPTION APPLICATIONS MULTI‑CHANNEL SENSORS SENSOR AND EJECTOR PIN SIZE SELECTION CHARTS OPERATION BUTTON‑STYLE/UNDER‑PIN STRAIN GAGE SENSORS DIMENSIONS SENSOR CABLE LENGTHS LYNX CONNECTOR AND PG9 THREAD Product Manual | Lynx™...
  • Page 4 PRODUCT MANUAL Lynx™ Embedded Sensors LES‑B‑127‑50, LES‑B‑127‑125, LES‑B‑127‑500, & LES‑B‑127‑2000 INSTALLATION INSTALLATION OVERVIEW CLAMP PLATE (TYPICAL) INSTALLATION CLAMP PLATE (HEAD‑TO‑HEAD) INSTALLATION EJECTOR PLATE INSTALLATION ANGLED EJECTOR PINS CONTOURED EJECTOR PINS INSTALLATION SPECIFICATIONS CLAMP PLATE (TYPICAL) INSTALLATION CLAMP PLATE (HEAD‑TO‑HEAD) INSTALLATION COVER PLATE—CLAMP PLATE EJECTOR PLATE INSTALLATION COVER PLATE—EJECTOR PLATE...
  • Page 5 SENSOR INSTALLATION CHECK—EJECTOR PLATE INSTALLATIONS PRE‑ASSEMBLY CHECKS POST‑ASSEMBLY CHECK SENSOR INSTALLATION CHECK—STATIC PIN INSTALLATIONS 45 MAINTENANCE CLEANING TESTING & CALIBRATION TESTING SENSORS CALIBRATION COMMON FACTORS AFFECTING SENSOR RECALIBRATION WARRANTY RJG, INC. STANDARD THREE‑YEAR WARRANTY PRODUCT DISCLAIMER Product Manual | Lynx™ Embedded Sensors LES‑B‑127‑50/125/500/2000...
  • Page 6 PRODUCT MANUAL Lynx™ Embedded Sensors LES‑B‑127‑50, LES‑B‑127‑125, LES‑B‑127‑500, & LES‑B‑127‑2000 TROUBLESHOOTING INSTALLATION ERRORS EJECTOR PIN ISSUES SENSOR HEAD ISSUES CASE AND CABLE ISSUES CUSTOMER SUPPORT RELATED PRODUCTS COMPATIBLE PRODUCTS LYNX CABLES CE‑LX5 LYNX FIVE‑PORT JUNCTION BOX J‑LX5‑CE LYNX NINE‑PORT JUNCTION BOX J‑LX9‑CE SIMILAR PRODUCTS LYNX EMBEDDED 4,000 POUND SENSOR LYNX MULTI‑CHANNEL STRAIN GAGE SYSTEM...
  • Page 7: Introduction

    This guide must be kept available for reference at all times. DISCLAIMER PRIVACY Inasmuch as RJG, Inc. has no control Designed and developed by RJG, Inc. over the use to which others may put Manual design, format and structure this material, it does not guarantee that copyright 2021 RJG, Inc.
  • Page 8 NOTES Lynx™ Embedded Sensors LES‑B‑127‑50/125/500/2000 | Product Manual...
  • Page 9: Product Description

    Sensor will be installed behind an ejector, outside cabling. Designed exclusively • blade, or core pin. for use with the RJG eDART® or Copilot® Systems, all sensors are fully functional Applied plastic pressure is high enough • and properly named with a single cable...
  • Page 10: Sensor And Ejector Pin Size

    SELECTION CHARTS The charts below are only a guide. In order to assure correct sensor selection for your application, please contact RJG. Locate the pin size that will be used and match it to the location on the part (near the end of fill or near the gate).
  • Page 11 SENSOR AND EJECTOR PIN SIZE (continued) 2. Metric Units NORMAL PRESSURE HIGH PRESSURE Pin Size Sensor Model Sensor Model 1.0 mm LES-B-127-50 LES-B-127-50 1.5 mm LES-B-127-50 LES-B-127-50 2.0 mm LES-B-127-50 LES-B-127-125 2.5 mm LES-B-127-125 LES-B-127-125 3.0 mm LES-B-127-125 LES-B-127-125 3.5 mm LES-B-127-125 LES-B-127-125 4.0 mm...
  • Page 12: Operation

    The sensor sends out a low‑level The sensor are connected to the RJG, Inc. voltage signal which is proportional to the eDART System, which records and displays amount of force applied by the pressure the sensor’s measurement for use in...
  • Page 13: Dimensions

    Cable lengths are determined at time of order; each LES‑B‑127‑50/125/500/2000 is custom‑fit for application. The minimum sensor cable length available, measured from the center of the sensor head, is 1.50” (38,1 mm). Contact RJG Customer Support for more information. Product Manual | Lynx™ Embedded Sensors LES‑B‑127‑50/125/500/2000...
  • Page 14: Lynx Connector And Pg9 Thread

    LYNX CONNECTOR AND PG9 THREAD The Lynx connector is keyed at 45° to provided the proper orientation of cable connection, particularly for the 90° Lynx cables. LYNX CONNECTOR Pg9 THREAD PG Nominal Size Call‑ Minor Ø Male Thd. d1 13.86 [mm] Major Ø...
  • Page 15 INSTALLATION CLAMP PLATE INSTALLATIONS Sensors may be placed in the clamp plate behind transfer pins, or in the ejector plate Typical Head‑to‑Head behind ejector pins. Installation location—in the clamp plate or ejector plate—depends upon mold real estate and customer preference. Transfer pins protect the sensor from damaging shock loads that are applied when the ejector plate moves forward...
  • Page 16: Installation Overview

    INSTALLATION OVERVIEW CLAMP PLATE (TYPICAL) INSTALLATION CLAMP PLATE (TYPICAL) INSTALLATION Apply the clamp plate (typical) installation B Plate or to instances where the ejector and transfer Cavity Insert pins are less than 0.28” (7,0 mm) in diame‑ ter. The sensor connector plate is mounted on Ejector Pin the mold.
  • Page 17: Ejector Plate Installation

    If the angle is greater than 30°, contact RJG customer support for assistance in verifying suitability for use with an RJG sensor (refer to “Customer Support”...
  • Page 18: Installation Specifications

    0.030" [0.76] OR 10% OF EJECTOR PIN DIA, WHICHEVER IS SMALLER. ENCLOSED EJECTOR BOX SUGGESTED. Description: LES-B-127-XXXX DO NOT SCALE PRINT RJG, Inc. Sensor Installation BREAK ALL SHARP EDGES, 0.005 [0.03] R MAX DIMENSIONS IN INCHES [MM], UNLESS NOTED 3111 Park Drive Drawn: K.J.Brettschneider...
  • Page 19 [13.0 0.1] SMALLER. ENCLOSED EJECTOR BOX SUGGESTED. LES-B-127-125 0.2 [5] Description: LES-B-127-XXXX DO NOT SCALE PRINT RJG, Inc. DETAIL C Sensor Installation BREAK ALL SHARP EDGES, 0.005 [0.03] R MAX LES-B-127-500 0.25 [6] 3111 Park Drive DIMENSIONS IN INCHES [MM], UNLESS NOTED SCALE 2.75 : 1...
  • Page 20 INSTALLATION SPECIFICATIONS (continued) CLAMP PLATE (TYPICAL) INSTALLATION 1. Sensor Head Pocket Sensor and transfer pin head pockets are machined into the clamp plate. The sensor pockets must be centered under the selected ejector pin measuring 0.510” +0.005/‑0.0 (13,00 mm ±0,10 [ at right]) DIA, and 0.374”...
  • Page 21 INSTALLATION SPECIFICATIONS (continued) CLAMP PLATE (TYPICAL) INSTALLATION 3. Ejector Pin Head Pocket Machine a pocket for the ejector pin head in the ejector retainer plate that is equal to the ejector pin head DIA plus 0.02” (0,5 mm [ at right]) MIN per side. Allow clearance above the ejector pin head.
  • Page 22: Clamp Plate (Head-To-Head) Installation

    0.030" [0.76] OR 10% OF EJECTOR PIN DIA, WHICHEVER IS SMALLER. ENCLOSED EJECTOR BOX SUGGESTED. Description: LES-B-127-XXXX DO NOT SCALE PRINT RJG, Inc. Sensor Installation BREAK ALL SHARP EDGES, 0.005 [0.03] R MAX Lynx™ Strain Gage Button Sensors LS‑B‑127‑50/125/500/2000 | Product Manual 3111 Park Drive DIMENSIONS IN INCHES [MM], UNLESS NOTED Drawn: K.J.Brettschneider...
  • Page 23 SMALLER. ENCLOSED EJECTOR BOX SUGGESTED. LES-B-127-125 0.2 [5] [13 0.1] Description: LES-B-127-XXXX DO NOT SCALE PRINT RJG, Inc. Sensor Installation BREAK ALL SHARP EDGES, 0.005 [0.03] R MAX LES-B-127-500 0.25 [6] 3111 Park Drive DIMENSIONS IN INCHES [MM], UNLESS NOTED Drawn: K.J.Brettschneider...
  • Page 24 INSTALLATION SPECIFICATIONS (continued) CLAMP PLATE (HEAD‑TO‑HEAD) INSTALLATION 1. Sensor Head Pocket Sensor head pockets are machined into the clamp plate. The sensor pockets must be centered under the selected ejector pin measuring 0.510” +0.005/‑0.0 (13,0 mm ±0,10 [ at right]) DIA, and 0.374” +0.002/ ‑0.001 (9,49 mm ±‑0,04 [ at right]) deep, with an added clearance of 0.01”...
  • Page 25 INSTALLATION SPECIFICATIONS (continued) CLAMP PLATE (HEAD‑TO‑HEAD) INSTALLATION 3. Transfer Pin Shaft and Head Pocket Machine a pocket for the transfer pin shaft in the ejector plate with an H7/g6 fit for 0.5” (12 mm [ at right]) MIN. Machine a pocket for the transfer pin head in the ejector plate that is equal to the transfer pin head DIA plus 0.02”...
  • Page 26: Cover Plate-Clamp Plate

    INSTALLATION SPECIFICATIONS (continued) CLAMP PLATE (HEAD‑TO‑HEAD) INSTALLATION COVER PLATE—CLAMP PLATE 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 screws (below, top), or an integrated plate made to embed into the clamp plate and secured with screws (below, bottom).
  • Page 27 RJG recommends the use of 8‑36 or 10‑32 (M4 or M5).
  • Page 28: Ejector Plate Installation

    EJECTOR PIN AND SENSOR CONCENTRICITY MUST BE WITHIN 0.030" [0.76] OR 10% OF EJECTOR PIN DIA WHICHEVER IS SMALLER. Description: LES-B-127-XXXX DO NOT SCALE PRINT RJG, Inc. Sensor Installation BREAK ALL SHARP EDGES, 0.005 [0.03] R MAX 3111 Park Drive DIMENSIONS IN INCHES [MM], UNLESS NOTED Drawn: K.J.Brettschneider...
  • Page 29 EJECTOR PIN AND SENSOR CONCENTRICITY MUST BE WITHIN 0.030" [0.76] OR 10% OF EJECTOR PIN DIA, WHICHEVER IS SMALLER. Description: LES-B-127-XXXX DO NOT SCALE PRINT RJG, Inc. Sensor Installation BREAK ALL SHARP EDGES, 0.005 [0.03] R MAX DIMENSIONS IN INCHES [MM], UNLESS NOTED 3111 Park Drive Drawn: K.J.Brettschneider...
  • Page 30 INSTALLATION SPECIFICATIONS (continued) EJECTOR PLATE INSTALLATION 1. Sensor Pocket Machining Sensor pockets are machined into the cover and ejector plates. The pockets must be centered under the selected ejector pin measuring 0.510” +0.005/‑0.0 (13,0 mm +/‑ 0,10 [ at right]) DIA, and 0.375” +0.003/‑ 0.0 (9,49 mm +/‑0,01 [ at right]) deep.
  • Page 31: Cover Plate-Ejector Plate

    INSTALLATION SPECIFICATIONS (continued) COVER PLATE—EJECTOR PLATE 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 screws (below, top), or an integrated plate made to embed into the ejector plate and secured with screws (below, bottom).
  • Page 32 RJG recommends the use of 8‑36 or 10‑32 (M4 or M5).
  • Page 33: Lynx Connector

    INSTALLATION SPECIFICATIONS (continued) LYNX CONNECTOR 1. Excess Cable Pocket Machine a pocket to store excess cable • and connectors at the Lynx connector 0.50” MIN wide (13,0 mm MIN [ at right]) by 2.00” MIN long (50,0 mm MIN [ right]) by 0.47”...
  • Page 34: Sensor Cables

    INSTALLATION SPECIFICATIONS (continued) SENSOR CABLES 1. Sensor Cable Channel Machine a cable channel pocket depth • of 0.375” (9,53 mm [ not shown]) for 0.50” (12,7 mm [ at right]) from center of sensor head. Machine remaining cable channels width • of 0.25” (6,0 mm [ at right]) and depth of 0.466”...
  • Page 35: Sensor Electronics

    ANGLES = ±3° 30° TOR PIN AND SENSOR CONCENTRICITY MUST BE WITHIN [0.76] OR 10% OF EJECTOR PIN DIA, WHICHEVER IS LER. Description: LES-B-12 RJG, Inc. OT SCALE PRINT Sensor Installation K ALL SHARP EDGES, 0.005 [0.03] R MAX 3111 Park Drive NSIONS IN INCHES [MM], UNLESS NOTED Drawn: K.J.Brettschne...
  • Page 36: Sensor Cable Retention

    INSTALLATION SPECIFICATIONS (continued) SENSOR CABLE RETENTION Sensor cable 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 one or more of the following methods. Cable Pocket Cover—Washer Style Cable Clip Cable Clip...
  • Page 37 If excess cable pockets are present, it may be useful to provide a cover ( right) for the cable pocket with which to retain extra 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...
  • Page 38: High-Temperature Installation

    The following depicts such an installation. For assistance in designing an appropriate installation to prevent heat damage to the sensor electronics, contact RJG customer support (“Customer Support” on page 54). LES‑B‑127‑XXXX HIGH TEMPERATURE SENSOR...
  • Page 39: Non-Standard Installations

    Provide space in the sensor pocket for the (2,5 mm ) diameter or larger. Please sensor and static pin allowing for clearance contact RJG Customer Support for above the pin head equal to 1/5th of the installation of static pins smaller...
  • Page 40: Static (Non-Moving) Ejector Pins

    5. Pin and O‑Ring Bore Installation Use an O‑ring lubricant to help prevent damage when inserting the pin into the bore. Many silicone‑based lubricants can damage silicone O‑rings. RJG, Inc. recommends P‑80 THIX lubricant from International Products Corporation (http:// www.ipcol.com/shopexd.asp?id=31). Rotate the pin as it is being inserted to ease installation and limit potential O‑ring...
  • Page 41 NON‑STANDARD INSTALLATIONS (continued) 6. Sensor Readings Data from the same mold is pictured below (typical results—not guaranteed). Without O‑Ring Installation With O‑Ring Installation Above Left: Three sensors are reading too Above Right: The template and solid lines low due to contamination—without O‑rings after four months of continuous production;...
  • Page 42: Multiple Ejector Pins

    NON‑STANDARD INSTALLATIONS (continued) MULTIPLE EJECTOR PINS PIN, SENSOR, & PLATE INSTALLATION Ejector pins are often grouped in small areas that do not allow for traditional cavity pressure senor installation. Read and follow all instructions, and refer to the provided figures to properly install sensors with multiple ejector pins.
  • Page 43: Static Transfer Pin Examples

    NON‑STANDARD INSTALLATIONS (continued) STATIC TRANSFER PIN EXAMPLES Product Manual | Lynx™ Embedded Sensors LES‑B‑127‑50/125/500/2000...
  • Page 44 NON‑STANDARD INSTALLATIONS (continued) INSTALLATION VALIDATION Lynx™ Embedded Sensors LES‑B‑127‑50/125/500/2000 | Product Manual...
  • Page 45: Sensor Installation Check-Clamp Plate (Typical) Installations

    SENSOR INSTALLATION CHECK—CLAMP PLATE (TYPICAL) INSTALLATIONS Verify that the each sensor, transfer pin, and ejector pin pocket is machined correctly. PRE‑ASSEMBLY CHECKS 1. Indentation Test (with sensor) With the clamp plate disassembled, sensor in place, and cover plate removed, push the sensor and transfer pin forward;...
  • Page 46: Post-Assembly Checks

    SENSOR INSTALLATION CHECK—CLAMP PLATE (TYPICAL) INSTALLATION (continued) With the ejector pin installed, push on the ejector pin; verify the clearance of 0.012” (0,3 mm (or 1/5 part thickness)) exists between the bottom of the ejector pin head and the ejector retainer plate surface. 4.
  • Page 47 SENSOR INSTALLATION CHECK—CLAMP PLATE (TYPICAL) INSTALLATION (continued) 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 plate, press the ejector and transfer pin together, towards the cavity;...
  • Page 48: Sensor Installation Check-Clamp Plate (Head-To-Head) Installations

    SENSOR INSTALLATION CHECK—CLAMP PLATE (TYPICAL) INSTALLATION (continued) With the ejector and transfer pins installed, the ejector plate in the injection position, and the ejector plate fixed towards clamp plate, press the ejector and transfer pin together, away from the cavity; the ejector pin should recess in the ejector plate 0.008–0.01” (0,2– 0,3 mm).
  • Page 49: Pre-Assembly Checks

    Verify that the each sensor, transfer pin, and ejector pin pocket is machined correctly. PRE‑ASSEMBLY CHECKS 1. Indentation Test (without sensor) With only the 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.
  • Page 50: Post-Assembly Checks

    SENSOR INSTALLATION CHECK—CLAMP PLATE (HEAD‑TO‑HEAD) INSTALLATION (continued) With the clamp plate disassembled, sensor in place, and cover plate removed, push the sensor and transfer pin forward; 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.
  • Page 51 SENSOR INSTALLATION CHECK—CLAMP PLATE (HEAD‑TO‑HEAD) INSTALLATION (continued) Verify that the each sensor, transfer pin, and 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 plate, press the ejector and transfer pin together, towards the cavity;...
  • Page 52: Sensor Installation Check-Ejector Plate Installations

    SENSOR INSTALLATION CHECK—CLAMP PLATE (HEAD‑TO‑HEAD) INSTALLATION (continued) With the ejector and transfer pins installed, the ejector plate in the injection position, and the ejector plate fixed towards clamp plate, press the ejector and transfer pin together, away from the cavity; the ejector pin should recess in the ejector plate 0.008–0.01” (0,2– 0,3 mm).
  • Page 53: Pre-Assembly Checks

    Verify that the each sensor, transfer pin, and ejector pin pocket is machined correctly. PRE‑ASSEMBLY CHECKS 1. Indentation Test (with Ejector Pin) With the ejector pin installed, push on the ejector pin; verify the clearance of 0.012” (0,3 mm (or 1/5 part thickness)) exists between the bottom of the ejector pin head and the ejector plate surface.
  • Page 54 Verify that the each sensor and static pin pocket is machined correctly. 2. Protrusion Test (without sensor) With only the static pin installed, 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”...
  • Page 55: Cleaning

    A Valid sensor has raw counts that • of sensor. change when force is applied to the RJG, Inc. offers the following tools to test sensor; this indicates a properly working sensor. A No Reply sensor is not communicating •...
  • Page 56: Calibration

    2% is more than sufficient, and is used force range (less than 40% of full scale) by RJG as the specification for repaired show less calibration shift than sensors that sensors.
  • Page 57: Warranty

    While not directly PRODUCT DISCLAIMER related to the sensor calibration, the zero offset does provide indication that the RJG, Inc. is not responsible for the sensor’s calibration may be suspect. improper installation of this equipment, or any other equipment RJG manufactures.
  • Page 58 NOTES Lynx™ Embedded Sensors LES‑B‑127‑50/125/500/2000 | Product Manual...
  • Page 59: Troubleshooting

    TROUBLESHOOTING INSTALLATION ERRORS EJECTOR PIN ISSUES 1. Pin size, expected pressure,and/or 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° right).
  • Page 60: Sensor Head Issues

    INSTALLATION ERRORS (continued) SENSOR HEAD ISSUES 1. Ejector Pin head diameter is larger than sensor pocket diameter ( at right). Counterbore the ejector plate, or chamfer • the pin head to ensure that the pin rests only on the sensor nub. 2.
  • Page 61: Case And Cable Issues

    INSTALLATION ERRORS (continued) CASE AND CABLE ISSUES 1. Sensor cable is pinched during mold assembly ( at right). Product Manual | Lynx™ Embedded Sensors LES‑B‑127‑50/125/500/2000...
  • Page 62: Customer Support

    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@rjginc.com www.rjginc.com/support Lynx™ Embedded Sensors LES‑B‑127‑50/125/500/2000 | Product Manual...
  • Page 63: Related Products

    RELATED PRODUCTS COMPATIBLE PRODUCTS The LES‑B‑127‑50/125/500/2000 are compatible with other RJG, Inc. products for use with the eDART process control and monitoring system. LYNX CABLES CE‑LX5 The Lynx sensor cable ( at right) is a polypropylene‑coated cable suited for the heat and stress found in injection molding environments.
  • Page 64: Similar Products

    SIMILAR PRODUCTS RJG, Inc. offers a wide array of cavity pressure sensors for each application— strain gage, single‑channel, multi‑channel, and digital. LYNX EMBEDDED 4,000 POUND SENSOR The Lynx Strain Gage LES‑B‑159‑4000 button‑style sensor provides the same strain gage technology and indirect installation style as the LES‑B‑147‑50/125/500/2000 sensors,...
  • Page 66 P +39 335 178 4035 P +01 231 947‑3111 sales@it.rjginc.com F +01 231 947‑6403 it.rjginc.com sales@rjginc.com www.rjginc.com MEXICO RJG MEXICO SINGAPORE RJG (S.E.A.) PTE LTD Chihuahua, Mexico Singapore, Republic of P +52 614 4242281 Singapore sales@es.rjginc.com P +65 6846 1518 es.rjginc.com sales@swg.rjginc.com en.rjginc.com...

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