Mold-Masters Sprint User Manual
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Mold-Masters Sprint User Manual

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Gen 2
Hot Runner User Manual
User Manual
version 1
Original Instructions

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Summary of Contents for Mold-Masters Sprint

  • Page 1 Gen 2 Hot Runner User Manual User Manual version 1 Original Instructions...
  • Page 2 Technology, which is a spring pack that sits on the nozzle flange. This can be identified by referencing your GA drawings or by disassembling the hot runner system. If your Sprint hot runner system is equipped with these components you have a Generation 2 system and you must use this user manual.

  • Page 3: Table Of Contents

    1.2 Documentation ....................1-1 1.3 Release Details ....................1-1 1.4 Warranty ......................1-1 1.5 Returned Goods Policy ..................1-2 1.6 Movement or Resale of Mold-Masters Products or Systems ......1-2 1.7 Copyright ......................1-2 1.8 Units of Measure and Conversion Factors ............1-3 Section 2 - Global Support ..........2-1 2.1 Corporate Offices....................2-1...
  • Page 4 9.2 Procedure A: Simple and Effective ..............9-1 9.3 Procedure B: More Comprehensive ..............9-2 Section 10 - Maintenance..........10-1 10.1 Terminal End Removal and Installation ............10-2 10.1.1 Terminal End Removal ................10-2 10.1.2 Terminal Installation ................10-2 © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...
  • Page 5 10.10.1 Torque Settings of Gate Seals ............10-15 10.10.2 System and Plate Screw Torques ............10-16 Section 11 - Troubleshooting ........11-1 Section 12 - Glossary of Terms ........12-1 Index ..................I Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 7: Section 1 - Introduction

    Mold-Masters office. 1.1 Intended Use Mold-Masters Hot Runner systems have been built to process thermoplastic material at the required temperature for injection molding and must not be used for any other purpose.

  • Page 8: Returned Goods Policy

    INTRODUCTION 1.5 Returned Goods Policy Please do not return any parts to Mold-Masters without pre-authorization and a return authorization number supplied by Mold-Masters. Our policy is one of continuous improvement and we reserve the right to alter product specifications at any time without giving notice.

  • Page 9: Units Of Measure And Conversion Factors

    Pound per square inch 0.069 bar Pound per square inch 6.895 kPa Revolutions per minute Second Degree ° Degree Celsius ° ° 0.556 ( F -32) Degree Fahrenheit ° ° C +32 Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 11: Section 2 - Global Support

    +39 049/5019955 South Korea El Marques, Queretaro C.P. 76246 fax: +39 049/5019951 tel: +82-31-431-4756 Mexico italy@moldmasters.com korea@moldmasters.com tel: +52 442 713 5661 (sales) tel: +52 442 713 5664 (service) mexico@moldmasters.com Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 12: International Representatives

    +386 59 969 117 tel: +38 (038) 277-82-82 moldmasters@system.com.ru info@picta.si moldmasters@parkgroup.com.ua For support in regions not listed above, please contact the nearest headquarters and they will connect you with the appropriate representative. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 13: Section 3 - Safety

    SAFETY Section 3 - Safety Please be aware that the safety information provided by Mold-Masters does not absolve the integrator and employer from understanding and following international and local standards for safety of machinery. It is the responsibility of the end integrator to integrate...

  • Page 14: Safety Hazards

    9. Hoses 10. Area inside the guards and outside the mold area Front view with guards removed Front View with Guards Removed Figure 3-1 Injection molding machine hazard areas. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...
  • Page 15 Mechanical and / or Thermal Hazard Hazards due to reduction in mechanical strength of the plasticizing and / or injection cylinder due to overheating. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.
  • Page 16 Crush or impact hazards caused by the movement of the power operated Gate gates. Vapors and Gases Certain processing conditions and / or resins can cause hazardous fumes or vapors. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 17: Operational Hazards

    • Never perform any work on the mold machine unless the hydraulic pump has been stopped. • Check frequently for possible oil leaks / water leaks. Stop the machine and make repairs. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.
  • Page 18 Failure to support the machine can result in severe injury or death. • Mold cable from the controller to the mold must be removed before servicing the mold. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 19: General Safety Symbols

    Warning – Slip, Trip or Fall Hazard Do not climb on equipment surfaces. Serious slip, trip or fall injuries can result from personnel climbing on equipment surfaces. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 20: Wiring Check

    / or equipment. Failure to do wiring or connections properly will result in equipment failure. The use of Mold-Masters standard connections can help to eliminate the potential for wiring errors.

  • Page 21: Lockout Safety

    • Burns from contact with hot parts, materials or equipment such as furnaces • Fires and explosions • Chemical exposures from gases or liquids released from pipelines Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 22: Electrical Lockout

    The last lock to be removed should be that of the person supervising the lockout and this responsibility should not be delegated. © Industrial Accident Prevention Association, 2008. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 23: Energy Forms And Lockout Guidelines

    Shut off, lock (with chains, built- • Storage tanks and vessels in lockout devices, or lockout attachments) and tag valves. • Bleed off excess liquids or gases. • Blank lines as necessary. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 24: Disposal

    3-12 3.6 Disposal WARNING Mold-Masters declines any responsibility for personal injury or personal damage arising from reuse of the individual components, if these parts are used other than for the original and proper intended purpose. 1. Hot Runner and system components must be disconnected from the power supply fully and properly before disposal (electricity, hydraulics, pneumatics and cooling).

  • Page 25: Hot Runner Safety Hazards

    • Never perform any work on the mold unless the hydraulic pump has been stopped. • High voltage and amperage cables are connected to the mold. Electric power must be shut off prior to installing or removing any cables. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.
  • Page 26 • Make sure the lifting eyebolt, lifting chain and crane are rated to adequately support the weight of the plate(s). Failure to do so can cause a serious injury. • All maintenance on Mold-Masters products should be performed by properly trained personnel based on local law or regulation requirements.
  • Page 27 3-15 CAUTION CAUTION All Mold-Masters heated components are manufactured to standards that ensure safe and reliable operation provided that the following precautions are met: • To maximize heater element and component life, the temperature must be controlled and maintained within safe operating limits. Mold-Masters strongly recommends individual control of each heated component, including heater plates, with a reliable temperature controller that includes soft-start protection.

  • Page 28: Section 4 - Preparation

    WARNING Ensure that you have fully read “Section 3 - Safety” before unpacking, cleaning or assembling parts of the Hot Runner system. The following section is a step-by-step guide to prepare your Mold-Masters system for use. 4.1 Tools Required Depending on the size and complexity of your Hot Runner system, you will require most of the tools and materials listed below.

  • Page 29: Screw Lengths

    Hot Runner. WARNING DO NOT SHORTEN SCREW S.H.C.S. M12 X 130 (ISO-GRADE 12.90 OR ½ - 13 X 4.75 (ASTM A574) NOT SUPPLIED BY Mold-Masters Figure 4-2 Screw length © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 30: Unpacking

    Failure to do so may lead to serious injury or death. 1. Carefully remove all components from the shipping box and check that all components listed on the packing slip were supplied. 2. Check that all mold base dimensions are correct and correspond to Mold-Masters General Assembly drawings. 4.4 Cleaning 1.

  • Page 32: Section 5 - Assembly

    Ensure that you have fully read “Section 3 - Safety” before assembling the parts of the Hot Runner system. This section is a step-by-step guide to assembling your Mold-Masters Hot Runner system. 5.1 System with a Sprint Nozzle Figure 5-1 System with a Sprint-series nozzle and thermal gating 1.

  • Page 33: Cutaway Of A Sprint System

    5.2 Cutaway of a SPRINT System The following illustration is a typical Mold-Masters SPRINT system. The terminology associated with the various components and features are listed below. Note that SPRINT systems are currently available non-valved only. Figure 5-2 Cutaway of a SPRINT hot runner system 1.

  • Page 34: Nozzle Insertion

    Refer to Figure 5-3 for visual identification of the components. Nozzle retainer Top/bottom washer Disc spring Nozzle Figure 5-3 Sprint nozzle and components 1. Clean the seating bore of the nozzle well. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.
  • Page 35 ASSEMBLY 2. Install the bottom washer. 3. Apply high temperature grease to the disc spring. 4. Install the disc spring in the correct orientation. This side © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...
  • Page 36 ASSEMBLY 5. Install the top washer. 6. Install the nozzle retainer in the correct orientation. Note the protruding lip on the ID and bottom of the retainer ring. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.
  • Page 37 ASSEMBLY 7. Install the nozzle. 8. Make sure that the nozzle sits squarely in the nozzle well bore and flat against the top washer. Nozzle retainer Top washer © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 38: Nozzle Wire Layout

    1. Thermocouple 2. Wire retainer 3. Manifold 4. Manifold backing plate 5. Power wire 6. Mold plug 7. Electrical box 8. Manifold plate Figure 5-5 Thermocouple layout - side view Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 39: Optional Emergency Heater Sleeve

    The emergency heater sleeve is intended for use as a temporary substitute heat source if the brazed-in heater element of a Sprint nozzle fails. The emergency heater sleeve is designed so that it can be installed over the nozzle (and uninstalled) while the mold is still in the press.
  • Page 40 Figure 5-7 Installed heater sleeve and tube assembly 2. Make sure that the nozzle is positioned within its cutout so that the heater element exit is aligned with the cutout in the plate. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.
  • Page 41 3. Make sure that the nozzle thermocouple travels through the gap in the heater sleeve. You may have to disassemble and re-assemble the nozzle. 4. Make sure that the emergency heater is aligned with the end of the chamfer on the nozzle body. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 42: Removal Of Emergency Heater Sleeve

    2. Use the slots on the emergency heater sleeve to pull the emergency heater sleeve off the nozzle. See Figure 5-8. Figure 5-8 Slots on the emergency heater sleeve Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 43: Mount The Manifold

    There are three methods used to locate the manifold: 1. Manifold locator 2. Manifold locating dowel pin 3. Manifold and slot locator Manifold locator Figure 5-9 Manifold with a locator © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 44: Manifold Locator

    2. Install the manifold locating cam onto its dowel pin. 3. If required, attach a crane of sufficient lifting capacity to the manifold. 4. Check for correct seating and height. 5. Check that there are no pinched wires. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 45: Manifold Locating Dowel Pin

    3. If required, attach a crane of sufficient lifting capacity to the manifold. Place the manifold on top of the nozzles and manifold locator. 4. Check for correct seating and height. 5. Check that there are no pinched wires. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 46: Manifold Thermocouple Installation

    10. Feed the wires back through the wire channel in the mold base to the electrical box. 90° 1. Thermocouple 2. Screw 3. Washer 4. Assembly Figure 5-11 Thermocouple installation Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 47: Main Manifolds

    4. Install the manifold locators. Refer to “Mounting the Manifold”. 5. Check that all components are free of debris. 1. Inlet seal 2. Submanifold Figure 5-13 Inlet seal without step © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 48: Inlet Seal Installation - With Step

    On bridge manifold systems, mounting screws should be torqued 1/3 higher than specified on General Assembly drawings. 1. Submanifold 2. Inlet seal 3. Locating dowel Figure 5-14 Inlet seal with step Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 49: Support Bushing Installation

    3. Use a dowel pin to install all of the support bushings into the manifold. See Figure 5-16. Support bushing Manifold plate Sprint nozzle Figure 5-16 Location of support bushing © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 50: Inlet Components Installation

    1. Mounting screw 2. Nozzle radius 3. Back plate 4. Manifold 5. Bottom face Figure 5-17 Back plate installation Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 51: Center Heater Installation

    Use anti-seize compound on screws. 7. Torque screws to values indicated on the General Assembly drawing. 1. Thermocouple 2. Center heater 3. Screw Figure 5-18 Center heater assembly © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 52: Ecodisk Installation

    5-21 5.10.4 EcoDisk Installation EcoDisks are present on all Sprint systems and optional on others. They are installed directly onto the clamp plate and will align with the pressure disks when assembled. 1. Lay the clamp plate on a work bench with the bottom face up.

  • Page 53: Clamp Plate Assembly (B-Screws)

    1. Tighten the B-screws to half torque in a sequence starting from the center and moving outwards. 2. Tighten the B-screws to full torque in a sequence starting from the center and moving outwards. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 54: Thermocouple Installation

    5-23 5.11 Thermocouple Installation This section applies to Generation 2 Sprint systems. 1. Use a 1/16 inch drill bit to clean the thermocouple bore of the nozzle. 2. Manually bend the thermocouple tip against your thumb to an angle of approximately 90°.
  • Page 55 4. See the parts list for the recommended number of clips for the nozzle type. Install the recommended number of retaining clips. Make sure that the thermocouple fits in and stays in the recess of the clip. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 57: Section 6 - Electrical Testing

    WARNING Ensure that you have fully read “Section 3 - Safety” before beginning electrical testing. This section contains guidelines for electrical testing of your Mold-Masters Hot Runner system. The testing is based on the following European and North American standards: •...

  • Page 58: Electrical Wiring Check

    First, verify that the electrical equipment complies with its technical documentation. 6.3.2 Insulation Resistance Test Measure the insulation resistance between each pin of the Mold-Masters power connector, in particular the heating circuit and ground. The insulation resistance is measured at 500 V .

  • Page 59: Verification Of Conditions For Protection By Automatic Disconnection Of Supply

    The user is responsible to take protective measures against shock by indirect contact, while performing the tests. The conditions for automatic shutdown of the supply is set at Mold-Masters and is usually set such that the protective conductor resistance between the grounding conductor connection and all of the protective earth conductor connected parts, is Maximum 0.3 Ω.

  • Page 60: Pinch Point Test

    Measure the resistance between each pair of heater power wires at the mold power connector. Compare your reading with your General Assembly drawing. Where: R = resistance V = voltage P = power © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 61: Ungrounded Thermocouple Continuity Test

    Stay a minimum of 5 minutes at 100°C (212°F) before increasing heat. 6.6 Re-testing Where a portion of the electrical equipment is changed or modified, that portion must be reverified and retested, as appropriate. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 63: Section 7 - Hot Half Assembly

    Otherwise the nozzles will have expanded too much and may be damaged during insertion. Check that the nozzle well depth (L) in the cavity plate is to Mold-Masters specifications. See Figure 7-1. 1. Attach a crane that is rated to support the weight of the cavity plate.
  • Page 64 13. Torque the mold mounting screws to required specifications. Refer to machine manufacturer’s documentation for torque values. 14. Connect wire lines, hydraulic, pneumatic and electrical components, as required. 15. Remove latches. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 65: Section 8 - System Startup And Shutdown

    When running thermally sensitive materials, use a thermally stable material as recommended by the material supplier for the initial startup. Do not exceed 100°C above the Mold-Masters-defined process temperature detailed on the system GA/mold tag. 1. Install the mold into the molding machine.

  • Page 66: Startup

    For systems filled with material, purge intended shot size twice from the barrel prior to bringing the machine barrel forward to the Hot Runner interface. 6. Set injection time and pressure according to part size, gate size and material. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 67: Shutdown

    1. Turn off all heat to the system. 2. Leave the mold cooling system turned on until the Hot Runner system temperature is within 55°C (130°F) of the mold temperature. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 68: Section 9 - Color Change

    Never handle plastic purgings or drool until they have completely cooled. Purgings may appear solid but may still be hot and cause serious injury. Do not exceed 300°C (572°F). Doing so will affect the mechanical properties of Sprint gate seals and can result in damage.

  • Page 69: Procedure B: More Comprehensive

    1. Empty hopper of existing color and clean thoroughly. 2. Increase Hot Runner system temperature on all zones 20°C (68°F) above processing temperatures. On Mold-Masters controllers, simply push the boost button to increase temperatures for a pre-determined time and temperature.
  • Page 70 19. Continue processing while resetting Hot Runner system temperatures and injection speed back to normal. 20. Return all settings to normal and confirm acceptable part quality. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 71: Section 10 - Maintenance

    This chapter is a guide to maintaining selective components. Repairs that should be performed by Mold-Masters personnel are not included. If you need an item repaired that is not included in this section, please call Mold-Masters support. The phone number and system identifier is located on the mold.

  • Page 72: Terminal End Removal And Installation

    Although this procedure shows a manifold, the process is the same for nozzle terminal ends. NOTE Please contact Mold-Masters Spare Parts Department to ensure you have the correct repair kit and crimping tool. The tools, along with the lead wire replacement kit, are available through the Mold-Masters Spare Parts Department.

  • Page 73: Terminal Assembly

    2. Ensure the terminal end is clean. 3. Slide the element sleeve, silicon seal and ceramic insulator onto the wires. 4. Slide crimps onto leads. Stranded wire should extend beyond the crimp. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.
  • Page 74 7. Slide the ceramic insulator and silicon seal into place. 8. Screw the element sleeve into the position. Make sure that the silicon sleeve does not rotate with the sleeve which may damage the wire. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...
  • Page 75 2.5 - 3.0mm Heater Element (Mates with CRIMPDIE02) CRIMPREMOVEB01 Bottom Crimp Removal Insert for shearing HE crimps (Mates with CRIMPREMOVET01) CRIMPREMOVET01 Top Crimp Removal Insert for shearing HE crimps (Mates with CRIMPREMOVEB01) Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 76: Gate Seal Maintenance

    Tip damage • Obstruction to melt flow • Gate seal damage • Tip wear Assembly Torpedo Gate seal Insulator cap Figure 10-2 Standard Sprint gate seal components (TSM188Px package) © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 77: Nozzle Tip Removal

    Torpedo Gate Seal Insulation Collar Figure 10-3 Gate seal components of Sprint color change tip (TSM325Px package) Figure 10-4 Sprint gate seal tools Heat the nozzle to ensure that the temperature condition is met to remove the gate seal. 10.2.1 Nozzle Tip Removal CAUTION The Hot Runner system must be turned off and cooled to below 38 ºC (100 ºF) before the...

  • Page 78: Nozzle Tip Installation

    3. After a smooth torpedo / nozzle contact surface is established, apply die spotting blue compound to the torpedo to the nozzle surface to ensure proper mating. 4. After ensuring good contact, clean die spotting blue compound off of both surfaces. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 79: Clean The Nozzle Insulator Cap

    1. Heat cap with heat gun. 2. Remove molten plastic and wipe remainder from insulator cap. 10.5 Install the Nozzle Insulator Cap 1. Press fit insulator cap onto torpedo by hand. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.

  • Page 80: Check Nozzle Tip Height

    3. Zero indicator to spacer blocks. 4. Move indicator to correct reference point on nozzle tip (per drawing). 5. Check that nozzle height is within drawing specification. 6. Repeat for each nozzle. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 81: Latches

    4. Allow the mold to cool to room temperature. Continue to circulate the mold cooling water in all plates to cool the mold more quickly. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.
  • Page 82 13. Remove the latches. 14. Latch the cavity plate to the core plate or Cold Half. 15. Remove lockout / tagged out. 16. Check the machine is in Mold Set mode. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 83: Latch The Cavity Plate To The Manifold Plate (Hot Half)

    9. Remove lockout / tagout. 10. Open the mold. 11. Check the machine has been locked out / tagged out. Refer to the controller and machine manufacturer’s documentation for procedures. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.
  • Page 84 12. Install and torque the cavity plate mounting screws. Torque to required specifications. Refer to assembly drawings for required torque settings. 13. Install hoses if required. 14. Remove latches from both sides of the mold. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 85: Torque Settings

    This is to prevent material leakage from the gate seal. NOTE Torque values in the chart should be referenced against the torque values on the General Assembly drawing for a specific system. Table 10-2 Torque Settings of Sprint Gate Seals Deci Gating Method N∙m ft-lb Standard Sprint Tip (with Vespel) 34–38...

  • Page 86: System And Plate Screw Torques

    Tighten the system screws from the center outwards to exert an even load across all screws during assembly. Tighten to the specified torque in a minimum of two steps. Quality and length of screws must be as specified on Mold-Masters General Assembly drawings.

  • Page 88: Section 11 - Troubleshooting

    Consult other resources to augment the troubleshooting information in the attached guide. One of the best resources may be your resin supplier. To help in this process, we welcome you to reference Mold-Masters Troubleshooting Guide which offers general information related to common issues. This document can be found at https://www.moldmasters.com/support/troubleshooting.

  • Page 89: Section 12 - Glossary Of Terms

    The cycle is taken at a point in the operation and ends when this point is again reached and moving platens of the clamp unit in the fully open position. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.
  • Page 90 Mold-Temperature-Control Unit: Auxiliary equipment used to control Hot Runner temperature. Some units can both heat and cool the mold. Others, called chillers, only cool the mold. © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...
  • Page 91 Runner: The channel that connects the sprue with the gate for transferring the melt to the cavities. Runnerless Molding: See Hot Runner mold. Screw Travel: The distance the screw travels forward when filling the mold cavity. Sprint User Manual © 2020 Mold-Masters (2007) Limited. All Rights Reserved.
  • Page 92 Vent: A shallow channel or opening cut in the cavity to allow air or gases to escape as the melt fills the cavity. Some glossary content © DRM Associates 2008 / © Protomold 1999-2009 © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...

  • Page 94: Index

    Resin Drying Issues 11-01 Resin Moisture Contamination 11-01 Safety Hazard Areas 3-2 Lockout 3-11 Safety Symbols General Descriptions 3-7, 3-8 Sprint Nozzle Tip Installation 10-8 Startup and Shutdown 8-1 © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual...
  • Page 96 +65 6261 7793 tel: +82 31 431 4756 tel: +86 512 86162882 e: singapore@moldmasters.com e: korea@moldmasters.com e: china@moldmasters.com   JAPAN tel: +81 44 986 2101 e: japan@moldmasters.com www.moldmasters.com © 2020 Mold-Masters (2007) Limited. All Rights Reserved. Sprint User Manual ®...

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