RJG LYNX LS-B-159-4000 Product Manual
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RJG LYNX LS-B-159-4000 Product Manual

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PRODUCT MANUAL
PRODUCT MANUAL
Lynx™ Single‑Channel Strain
Gage 4,000‑Pound Button
Sensor
LS‑B‑159‑4000
Training and Technology for Injection Molding

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Summary of Contents for RJG LYNX LS-B-159-4000

  • Page 1 PRODUCT MANUAL PRODUCT MANUAL Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 Training and Technology for Injection Molding...
  • Page 2 PRINT DATE 11.18.2021 REVISION NO.

  • Page 3: Table Of Contents

    PRODUCT MANUAL Lynx™ Single‑Channel Strain Gage 4,000‑ Pound Button Sensor LS‑B‑159‑4000 INTRODUCTION DISCLAIMER PRIVACY ALERTS ABBREVIATIONS PRODUCT DESCRIPTION APPLICATIONS SINGLE‑CHANNEL SENSORS SENSOR AND EJECTOR PIN SIZE SELECTION CHARTS OPERATION INDIRECT/UNDER‑PIN STRAIN GAGE SENSORS DIMENSIONS SENSOR CABLE LENGTHS CABLE ROUTING OPTIONS INSTALLATION INSTALLATION OVERVIEW CLAMP PLATE (TYPICAL) INSTALLATION...
  • Page 4 PRODUCT MANUAL Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 INSTALLATION (CONTINUED) COVER PLATE—CLAMP PLATE INSTALLATIONS EJECTOR PLATE INSTALLATION SENSOR CABLE RETENTION SENSOR CABLE RETENTION LYNX CASE MOUNTING HIGH‑TEMPERATURE (LS‑B‑159‑4000‑H) SENSOR CASE INSTALLATION CABLE STORAGE STACKING LYNX CASES NON‑STANDARD INSTALLATIONS STATIC (NON‑MOVING) EJECTOR PINS STATIC (NON‑MOVING) EJECTOR PINS MULTIPLE EJECTOR PINS...
  • Page 5 4,000‑Pound Button Sensor LS‑B‑159‑4000 MAINTENANCE CLEANING TESTING & CALIBRATION TESTING SENSORS CALIBRATION COMMON FACTORS AFFECTING SENSOR RECALIBRATION WARRANTY RJG, INC. STANDARD THREE‑YEAR WARRANTY PRODUCT DISCLAIMER TROUBLESHOOTING INSTALLATION ERRORS EJECTOR PIN ISSUES SENSOR HEAD ISSUES CASE AND CABLE ISSUES CUSTOMER SUPPORT RELATED PRODUCTS COMPATIBLE PRODUCTS LYNX CABLES CE‑LX5...
  • Page 6 NOTES Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 | Product Manual...

  • Page 7: Introduction

    Inasmuch as RJG, Inc. has no control over the or in part, without the express written consent use to which others may put this material, it of RJG, Inc.
  • Page 8 NOTES Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 | Product Manual...

  • Page 9: Product Description

    CoPilot® system; the exclusive Lynx™ digital technology sensors are designed for use with the RJG eDART or CoPilot process control and monitoring systems. APPLICATIONS SINGLE‑CHANNEL SENSORS...

  • Page 10: Sensor And Ejector Pin Size

    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 LS-B-127-50 LS-B-127-50 1.5 mm LS-B-127-50 LS-B-127-50 2.0 mm LS-B-127-50 LS-B-127-125 2.5 mm LS-B-127-125 LS-B-127-125 3.0 mm LS-B-127-125 LS-B-127-500 3.5 mm LS-B-127-500 LS-B-127-500 4.0 mm...

  • Page 12: Operation

    CoPilot system, from within the cavity. providing the highest level of sensor accuracy The Lynx case is connected to the RJG, Inc. while minimizing the need for user‑entered eDART System, which records and displays data when configuring the sensor in the eDART the sensor’s measurement for use in process...

  • Page 13: Dimensions

    DIMENSIONS SENSOR CABLE LENGTHS CABLE ROUTING OPTIONS 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 to determine the appropriate cable length required for each application.
  • Page 14 NOTES Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 | Product Manual...

  • Page 15: Installation

    INSTALLATION CLAMP PLATE INSTALLATIONS Sensors may be placed in the clamp plate behind transfer pins, or in the ejector plate behind ejector pins. Installation location—in the Typical Head‑to‑Head 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 and backward;...

  • Page 16: Installation Overview

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

  • Page 17: Ejector Plate Installation

    30° angle. If a contour is unique or asymmetrical, contact RJG customer support for assistance in verifying suitability for use with an RJG sensor (refer to “Customer Support” on page 56). Product Manual | Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000...

  • Page 18: Installation Specifications

    DIMENSIONS IN INCHES [MM], UNLESS NOTED Drawn: K.J.Brettschneider TOLERANCES UNLESS SPECIFIED: XXX = 0.003 [0.08] Design: XX = 0.01 [0.3] Check: M.Groleau RJG, Inc. Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 | Product Manual ANGLES = 3 30 Date: 11.18.2021...
  • Page 19 Drawn: K.J.Brettschneider TOLERANCES UNLESS SPECIFIED: DETAIL E XXX = 0.003 [0.08] Design: XX = 0.01 [0.3] SCALE 2.5 : 1 Check: M.Groleau ANGLES = 3 30 Date: 11.18.2021 Product Manual | Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 RJG, Inc.
  • 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 0.635” +0.005/‑0.0 (16,13 mm ±0,10 [ ]) DIA, and 0.500”...
  • 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 [ right]) MIN per side. Allow clearance above the ejector pin head.

  • Page 22: Clamp Plate (Head-To-Head) Installation

    BREAK ALL SHARP EDGES, 0.005 [0.03] R MAX Sensor Installation DIMENSIONS IN INCHES [MM], UNLESS NOTED Drawn: K.J.Brettschneider TOLERANCES UNLESS SPECIFIED: RJG, Inc. Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 | Product Manual Design: XXX = 0.003 [0.08] XX = 0.01 [0.3] Check: M.Groleau...
  • Page 23 Drawn: K.J.Brettschneider TOLERANCES UNLESS SPECIFIED: XXX = 0.003 [0.08] Design: DETAIL M XX = 0.01 [0.3] Check: M.Groleau SCALE 1.5 : 1 ANGLES = 3 30 Date: 11.18.2021 Product Manual | Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 RJG, Inc.
  • Page 24 INSTALLATION SPECIFICATIONS (continued) CLAMP PLATE (HEAD‑T0‑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 0.635” +0.005/‑0.0 (16,13 mm ±0,10 at right]) DIA, and 0.500” +0.002/ ‑0.001 (12,7 mm ±‑0,04 [ at right]) deep, with an added clearance of 0.01”...
  • Page 25 INSTALLATION SPECIFICATIONS (continued) CLAMP PLATE (HEAD‑T0‑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 INSTALLATION SPECIFICATIONS (continued) 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 screws ( ), or an below, left integrated plate made to embed into the clamp plate and secured with screws ( below, right...
  • Page 27 ) in the cover plate on each side of the right sensor diameter to avoid any bending of the cover; incorporate and install other screws as necessary to secure cover. RJG recommends the use of 8‑36 or 10‑32 (M4 or M5). Countersink screw heads for cover NOTES plate fasteners to prevent head protrusion from plate.
  • Page 28 DIMENSIONS IN INCHES [MM], UNLESS NOTED TOLERANCES UNLESS SPECIFIED: Drawn: K.J.Brettschneider XXX = 0.003 [0.08] Design: XX = 0.01 [0.3] RJG, Inc. Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 | Product Manual Check: M.Groleau ANGLES = 3 30 Date: 11.18.2021...
  • Page 29 DIMENSIONS IN INCHES [MM], UNLESS NOTED Drawn: K.J.Brettschneider TOLERANCES UNLESS SPECIFIED: XXX = 0.003 [0.08] Design: XX = 0.01 [0.3] Check: M.Groleau ANGLES = 3 30 Date: 11.18.2021 Product Manual | Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 RJG, Inc.
  • Page 30 INSTALLATION SPECIFICATIONS (continued) EJECTOR PLATE INSTALLATION 1. Sensor Pocket Machining Sensor pockets are machined into the ejector plate. The pockets must be centered under the selected ejector pin measuring 0.635” +0.005/‑ 0.0 (16,13 mm +/‑0,10 [ ]) DIA, and at right 0.500”...
  • Page 31 INSTALLATION SPECIFICATIONS (continued) SENSOR CABLE RETENTION R 0.02” MIN (0,5 mm MIN) Optional Cable Pocket Ø 1.0” MIN (25 mm MIN) 0.25” (6,0 mm), Depth 0.6” (15 mm) at entrance, 0.38” (9,5 mm) along remainder 1.0” MIN (25 mm MIN) Before Cable Bend Product Manual | Lynx™...
  • Page 32 INSTALLATION SPECIFICATIONS (continued) SENSOR CABLE CHANNELS 1. Cable Channel Machine a cable channel width of 0.25” (6 mm ]) with and depth 0.6” (15 mm [ at right ]) at entrance and 0.38” (9,5 mm) along at right remainder. 2. Sensor Cable Bend •...
  • Page 33 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 34 ) for the at right 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 single bolt through the center, can be used to easily retain cable within the pocket.
  • Page 35 Lynx cable. 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). Provide Clearance...
  • Page 36 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). There must be 3.0” (76  mm) MIN...
  • Page 37 140 °F (60 °C)—the same as the standard sensor an appropriate installation to prevent heat models. In order to meet the temperature damage to the sensor electronics, contact RJG conditions for the sensor electronics in the customer support (“Customer Support” on page sensor case, a riser can be constructed on 56).
  • Page 38 INSTALLATION SPECIFICATIONS (continued) CABLE STORAGE STACKER INSTALLED ON LYNX CASE Use cable stackers ( ) to provide storage at right for excess cable. Refer to the table below for cable stacker storage specifications. Stackers Screw Length Cable Stored 1.75” (45 mm) 6.0”...
  • Page 39 INSTALLATION SPECIFICATIONS (continued) STACKING LYNX CASES The Lynx sensor electronics cases 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 except for the uppermost case/cable connection due to the space requirements for the connection.
  • Page 40 ]) if the at right (2,5 mm ) diameter or larger. Please part thickness at pin location is greater than contact RJG Customer Support for 0.06” (1,5 mm). installation of static pins smaller than 3/32” (2,5 mm) in diameter From the sensor and pin head pocket, provide a clearance of the pin diameter plus 0.06”...
  • Page 41 Contact RJG® for at right]) MIN for steelsafe. assistance in sizing and tolerancing O‑rings and installation requirements. Refer to the table below for RJG recommended, in‑stock O‑rings. 4. 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 tapered end.
  • Page 42 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 43 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 44 NON‑STANDARD INSTALLATIONS (continued) STATIC PIN EXAMPLE Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 | Product Manual...
  • Page 45 NON‑STANDARD INSTALLATIONS (continued) STATIC TRANSFER PIN EXAMPLES Product Manual | Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000...
  • Page 46 NOTES Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 | Product Manual...
  • Page 47 INSTALLATION VALIDATION 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 48 SENSOR INSTALLATION CHECK—CLAMP PLATE (TYPICAL) INSTALLATION (continued) 3. 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 retainer plate surface.
  • Page 49 SENSOR INSTALLATION CHECK—CLAMP PLATE (TYPICAL) INSTALLATION (continued) POST‑ASSEMBLY CHECKS 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; the ejector pin should protrude 0.008–0.01”...
  • Page 50 SENSOR INSTALLATION CHECK—CLAMP PLATE (TYPICAL) INSTALLATION (continued) 2. Indentation Test (without sensor) 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;...
  • Page 51 SENSOR INSTALLATION CHECK—CLAMP PLATE (HEAD‑TO‑HEAD) INSTALLATIONS 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”...
  • Page 52 SENSOR INSTALLATION CHECK—CLAMP PLATE (HEAD‑TO‑HEAD) INSTALLATION (continued) 3. Indentation Test (with sensor) 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 53 SENSOR INSTALLATION CHECK—CLAMP PLATE (HEAD‑TO‑HEAD) INSTALLATION (continued) POST‑ASSEMBLY CHECKS 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 54 SENSOR INSTALLATION CHECK—CLAMP PLATE (HEAD‑TO‑HEAD) INSTALLATION (continued) 2. Indentation Test (without sensor) 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;...
  • Page 55 SENSOR INSTALLATION CHECK—EJECTOR PLATE INSTALLATIONS 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 56 SENSOR INSTALLATION CHECK—STATIC PIN INSTALLATIONS Verify that the each sensor and static pin pocket is machined correctly. 1. 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 57 MAINTENANCE RJG, Inc. offers the following tools to test Strain gage sensors require little maintenance. sensors. CLEANING 3. Sensor PreCheck Pull sensors from the mold and clean out the The Sensor PreCheck provides diagnostics pockets and channels when a mold is pulled on typical sensor problems such as sensor for preventative maintenance.
  • Page 58 For most Sensors running at 300–400 °F (150–200 °C) applications, calibration accuracy of 2% is have a greater potential for permanent more than sufficient, and is used by RJG as the calibration shift over time. specification for repaired sensors. 6. Visible Sensor Wear 2.
  • Page 59 7. Sensor Zero Offset Shift WARRANTY The zero offset is the reading of the sensor RJG, Inc. is confident in the quality and with no load applied. While not directly related robustness of the LS‑B‑159‑4000 cavity to the sensor calibration, the zero offset does pressure sensors, and so are offering a provide indication that the sensor’s calibration...
  • Page 60 NOTES Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 | Product Manual...
  • Page 61 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 62 INSTALLATION ERRORS (continued) SENSOR HEAD ISSUES 1. Ejector Pin head diameter is larger than sensor pocket diameter right). • Counterbore the ejector plate, or chamfer the pin head to ensure that the pin rests only on the sensor nub. 2. Sensor head is installed incorrectly right).
  • Page 63 2. Sensor case is mounted on surface that exceeds temperature rating. • Do not mount the Lynx case on surface that exceeds the recommended temperature rating. Contact RJG, Inc. Customer support for high‑temperature applications. 3. Lynx case is drilled to accommodate alternate mounting right).
  • Page 64 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: globalcustomersupport@rjginc.com www.rjginc.com/support Lynx™ Single‑Channel Strain Gage 4,000‑Pound Button Sensor LS‑B‑159‑4000 | Product Manual...
  • Page 65 RELATED PRODUCTS COMPATIBLE PRODUCTS The LS‑B‑159‑4000 is compatible with other RJG, Inc. products for use with the eDART process control and monitoring system. LYNX CABLES CE‑LX5 The Lynx sensor cable CE‑LX5 ( ) is at right a polypropylene‑coated cable suited for the heat and stress found in injection molding environments.
  • Page 66 SIMILAR PRODUCTS RJG, Inc. offers a wide array of cavity pressure sensors for each application—strain gage, single‑channel, multi‑channel, and digital. LYNX STRAIN GAGE SENSORS LS‑B‑127‑50/125/500/2000 The Lynx Strain Gage LS‑B‑127‑50/125/500/2000 button‑style sensors ( ) provides the same strain at right gage technology and indirect installation style as the LS‑B‑159‑4000 sensor, but with...
  • Page 68 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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