Shini SG-24N Manual
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Shini SG-24N Manual

Screenless granulators
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SG-24N
Screenless Granulators
Date: Dec, 2018
Version: Ver.C (English)

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Summary of Contents for Shini SG-24N

  • Page 1 SG-24N Screenless Granulators Date: Dec, 2018 Version: Ver.C (English)

  • Page 3: Table Of Contents

    Contents General Description ..................7 1.1 Coding Principle ..................8 1.2 Feature ....................8 1.3 Technical Specifications ................ 10 1.4 Safety Regulations ................11 1.4.1 Safety Signs and Labels ............. 11 1.4.2 Transportation and Storage of the Machine ........ 12 1.5 Exemption Clause .................
  • Page 4 4.1.3 After Startup for 20-30 Hours ............25 4.2 Circuit Connection ................. 25 4.3 Open the Feed Box and Storage Bin ............ 25 4.3.1 Open the Feed Box ..............25 4.3.2 Open the Storage Bin ..............26 4.4 Shut the Feed Box and Storage Bin ............26 4.4.1 Shut the Feed Box ..............
  • Page 5 6.10.3 Daily Check ................43 6.10.4 Weekly Check ................43 6.10.5 Monthly Check ................43 6.10.6 Check Half-yearly or Every 1000 Running Hours ....... 44 6.10.7 3 year Checking ................44 Table index Table 1-1: Technical Specifications ..............10 Table 1-1: Cutters and other fixing screw torque ..........22 Picture index Picture 1-1：Dimensions ..................
  • Page 6 Picture 6-10: Installation of Feed Box, Feed Port and Storage Box 3 ....35 Picture 6-11: Installation of Feed Box, Feed Port and Storage Box 5 ....36 Picture 6-12：Step 1 of Gear box Dismantlement ..........36 Picture 6-13: Step 1 of Left /Right Bearing Base Dismantlement ..... 36 Picture 6-14: Step 2 of Left / Right Bearing Base Dismantlement ....

  • Page 7: General Description

    Forbidden to process flammable or toxic material! SG-24N series granulators operate in super low speed to cut materials into well-proportioned granules. There are least dusts produced in the cutting process. Multiple security devices ensure high safety grade; automatic reverse running function ensures continuous operation.

  • Page 8: Coding Principle

    Chapter 6, which contains service instructions intended for service engineers. Other chapters contain instructions for the daily operator. Any modifications of the machine must be approved by SHINI in order to avoid personal injury and damage to machine. We shall not be liable for any damage caused by unauthorized change of the machine.
  • Page 9 Headquarter and Taipei factory： Tel: (886) 2 2680 9119 Shini Plastics Technologies (Dongguan), Inc： Tel: (86) 769 8111 6600 Shini Plastics Technologies India Pvt.Ltd.： Tel: (91) 250 3021 166...

  • Page 10: Technical Specifications

    1.3 Technical Specifications Picture 1-1：Dimensions Table 1-1: Technical Specifications Model SG-2417N SG-2427N SG-2436N SG-2446N Ver. Motor Power (kW, 50/60Hz) 0.75 0.75 Rotating Speed (r.p.m, 50/60Hz) Material of Teeth Cutters SKD11 SKD11 SKD11 SKD11 Number of Cutting Blades Number of Teeth Cutters Number of Large Teeth Cutlers Number of Small Teeth Cutlers Cutting Chamber (mm)

  • Page 11: Safety Regulations

    The granulator should not be started before the feed box and storage box are properly closed. Attention please! Ear protection is used during granulating of plastic materials. Make sure the power has been cut off before open the feed box. SG-24N Granulators can not deal with fibre added material. 11(44)

  • Page 12: Transportation And Storage Of The Machine

    1.4.2 Transportation and Storage of the Machine Transportation 1) SG-24N series of granulators are packed in plywood cases with wooden pallet at the bottom, suitable for quick positioning by fork lift. 2) After unpacked, castors equipped on the machine can be used for ease of movement.
  • Page 13 Do not use the machine: 1) If it is with a damaged cord. 2) On a wet floor or when it is exposed to rain to avoid electric shock. 3) If it has been dropped or damaged until it is checked or fixed by a qualified serviceman.

  • Page 14: Exemption Clause

    The following statements clarify the responsibilities and regulations born by any buyer or user who purchases products and accessories from Shini (including employees and agents). Shini is exempted from liability for any costs, fees, claims and losses caused by reasons below: 1) Any careless or man-made installations, operation and maintenances upon machines without referring to the Manual prior to machine using.

  • Page 15: Structural Features And Working Principle

    2. Structural Features and Working Principle 2.1 General Description SG-24N series are belong to "by the press" granulator, which mainly works with the injection molding machine to crush a small amout of material. When crushing, don’t input excessive materials. The granulator are controlled by main power switch, emergency stop button, start button, stop button and safety switches.

  • Page 16: Safety System

    The maintenance and preservation of safety system shall be done by professional staff. In case the safety system of granulator is changed, our company will not perform our commitment. The replacement of all spare parts will be done by SHINI Company.

  • Page 17: Gate Lock

    Picture 2-2: Safety Switch 2.2.3 Gate Lock For opening feed box and cutting chamber, users need to loosen a long star screw (gate lock). It takes some time to unscrew the lock to completely stop cutter shaft and avoid personal injuries. Notice before startup: 1) Check if feed box is tightened.

  • Page 18: Electrical Components Description

    2.3 Electrical Components Description 2.3.1 Thermal Overload Relay Picture 2-3: Electrical Components Description 1. Transformer, provide suitable voltage for control circuit. 2. Microcomputer control board (PCB) achieves granulator normal operation, material blockage reverse running and related alarm function. 3. Fuse, perform the function of overload and short phase protection. 4.

  • Page 19: Options

    2.4 Options 2.4.1 30-second Instant Recycling System VR Type 30-Sec Instant Recycling BR Type 30-Sec Instant Recycling 1. Hopper loader 2. Vacuum pipe 3. Material pipe 4. 30-Sec instant recycling system 5. Vacuum hopper 6. Material tank 7. Screenless granulator 2.4.2 Regrind Conveying via Blower &...

  • Page 20: Dust Separator (Ds Type)

    2.4.3 Dust Separator (DS Type) Dust Separator (DS type) can separate the dust in the regrind for immediate recycle use. The dust will be kept in filter bag, thus working environment will be maintained clean. This device ensures full use of regrind to avoid material wasting and enhance the economical returns.

  • Page 21: Installation And Debugging

    3. Installation and Debugging Read through this chapter before installation. Must abide by the following installation steps to avoid personnel injuries or damage of the machine! Take great care of handing the blades because they are very sharp and may cause cutting injuries! Power supply of the machine should be handled by qualified electricians! Be careful! Cutting blades must be put balanced, prevent it to rotate itself when do the...

  • Page 22: Installation Notice

    3.1 Installation Notice 1) Make sure voltage and frequency of the power source comply with those indicated on the manufacture's plate, which is attached to the machine. 2) Power cable and earth connections should conform with local regulations. 3) Use independent power cable and ON / OFF switch. The cable's dia. should not smaller than those applied in the control box.

  • Page 23: Installation Place

    3.2 Installation Place Check and make sure the installation ground is level.There is enough intensity when it is running, and lockup the castors. Picture 3-2: Installation Place 23(44)

  • Page 24: Operation Guide

    1) Check if blades are damaged and loose. 2) Check if rotor is damaged and loose. Please contact Shini Company if any situation above has been found. 4.1 Startup Pretest Unpainted part of the machine has been covered with antirust oil. Before use, the antirust oil should be cleaned.

  • Page 25: After Startup For 20-30 Hours

    4.1.3 After Startup for 20-30 Hours After 20-30 hours machine running in full load, users need to check temperature on motor surface and check if there oil leaks. 4.2 Circuit Connection Note: The installation of the granulator's circuit must be conducted by the professional electricians.

  • Page 26: Open The Storage Bin

    Picture 4-1: Open the Feed Box 4.3.2 Open the Storage Bin 1) Turn off granulator power. 2) Loosen long star screw. 3) Pull out storage bin. 4.4 Shut the Feed Box and Storage Bin 4.4.1 Shut the Feed Box Note: Make sure feed box is fully closed, otherwise machine would not start.

  • Page 27: Start And Stop The Granulator

    4.5 Start and Stop the Granulator The granulator is controlled by main power switch, safety switch, START/STOP button and emergency stop button. Main power switch is located at the front control panel. And the startup and stop of the machine is controlled through rotating the main poewer switch. Picture 4-2: Main Power Switch START button and STOP button: These two buttons control the startup and stop of the machine.

  • Page 28: Motor Reversed Protective Function

    4.6 Motor Reversed Protective Function When there are hard material appear in the feed box and cutting chamber or for other reason the cutting blades can not cut, this unit will enable blade shaft reverse rotating with alarm, it resumes normal operation automatically after 3 seconds later, so to keep granulating material.

  • Page 29: Trouble-Shooting

    Trouble-shooting 5.1 Granulator Can Not Work 1) Check if the emergency stop has been reset or not. If not, rotate the button anti-clockwise to reset it. 2) Check if the safety switch between feed box and storage box is completely closed.

  • Page 30: Stop Due To Other Reasons

    5.2 Stop Due to Other Reasons Connection failure or looseness of safety switch can also cause shutdown. Note: Do not disconnect to safety switch or control switch. 30(44)

  • Page 31: Maintenance And Repair

    Maintenance and Repair 6.1 Repair 1. Check whether emergency stop works normally. Period: Daily 2. Check whether START/STOP button works normally. Period: Daily 3. Check whether main power switch works normally. Period: Daily 4. Check whether material stopper is intact before startup. Period: Daily 5.

  • Page 32: Picture 6-1: Blades Maintenance

    Picture 6-1: Blades Maintenance Note: To decrease the possibility of harm to other people, the replacement action must be conducted by oneself. 1. Remove the fixed blades Note: To avoid self rotation, block the rotating blade with a thick wood block. Note: Be careful with the sharp blades.

  • Page 33: Installation Of Bearing And Cutter Shaft

    Note: Press the pressing block and blade when you remove the last screw so to avoid personal injuries. 3. Install the blades Clean carefully the fixed blades and rotating blades and then install them. 1) Install the rotating blades 2) Then the fixed blades 3) Finally the front fixed blades Note: Each time to replace the blade, the screw and insulation ring must be replaced also.

  • Page 34: Picture 6-5: Installation Of Bearing And Cutter Shaft 2

    Picture 6-5: Installation of Bearing and Cutter Shaft 2 4) Fix the bearing base on the cutting chamber. Picture 6-6: Installation of Bearing and Cutter Shaft 3 Note: Daub the lubrication on the bearing and bearing base. Use proper twisting force to lock the screw tightly. 5) Use a wrench to tight up all the screws on bearing block or cutting chamber and lock them up with right torque (M12×25).

  • Page 35: Installation Of Feed Box, Feed Port And Storage Bin

    Note: In order to avoid personal injury and machine damage, the lockup screws has to be tightened. Note: Blades are extremely sharp; to avoid injuries, please waer gloves before and during installation. 6.3 Installation of Feed Box, Feed Port and Storage Bin 1) Lift up the feed box to fix it onto the cutting chamber with screws (M8×35).

  • Page 36: Cutting Chamber Disassembly

    4) Lock up plum blossom handle. Picture 6-11: Installation of Feed Box, Feed Port and Storage Box 5 Note: Locknut is necessary for keeping screws falling into cutting chamber. Cutting Chamber Disassembly 6.4.1 Gear box dismantlement Dismantle the screw of gear box’s fixed plate to push out the gear box directly outward to separate the coupler;...

  • Page 37: Bearing Dismantlement

    Picture 6-14: Step 2 of Left / Right Bearing Base Dismantlement 3) Dismantle the left bearing base, and then the left and right bearing bases are taken out. Picture 6-15: Step 3 of Left/ Right Bearing Base Dismantlement 6.4.3 Bearing Dismantlement 1) Put the fitted iron rod on the shaft sleeve, and use the copper stick to knock the top of the iron rod, then shaft sleeve is taken down.

  • Page 38: Installation Of Reduction Gear

    Picture 6-17：Step 2 of Bearing Dismantlement 3) Put the fitted iron rod on the bearing, and use the copper stick to knock the top of the iron rod, then bearing is taken down. Picture 6-18：Step 3 of Bearing Dismantlement 6.5 Installation of Reduction Gear Note: To stop blade rest shaft rotating while installation, use a thick wood block to stuck rotate blades! 1) Firstly, fix the gear box on the fixed plate, and use the hexagonal screw to...

  • Page 39: Transmission

    Picture 6-20: Installation of Reduction Gear 2 3) Install the sensor fixed plate M6×12. Picture 6-21: Installation of Reduction Gear 3 Note: The cutting blade rest shall be put stably and avoid cutter self-rotation.At the time of operating, hand shall stay away from the cutting tool to avoid bodily injury.

  • Page 40: Maintenance

    2) Check the lubricating oil: a) Cut power off so to avoid electric shock and wait till the motor get cooled. b) Open oil drain plug to take samples. c) Check viscosity index of the lubricating oil. If it is evidently turbid, please replace it as soon as possible. d) Check the lubricating oil level and install oil level plug.

  • Page 41: Weekly Check

    2) Check whether the Emergency Stop works properly. Start the machine and then stop it via Emergency Stop. Rotate the button anti-clockwise to reset the Emergency Stop. 3) Check the main power switch, start/stop button. 4) Check the reversed rotating function. 5) Check star screw, safety screw is part of granulator’...

  • Page 42: Picture 6-23: Machine Cleaning

    6) Clean the interior surface of the feed box. 7) Clean both surfaces of the cutting chamber; open the upper cutting chamber and to clean the remained material by using revolving rod to turn the blade shaft. 8) Unscrew star screw and take out storage bin. 9) Clean storage bin.

  • Page 43: Maintenance Schedule

    6.10 Maintenance Schedule 6.10.1 About the Machine Model Manufacture date Voltage Ф Frequency Power 6.10.2 Check after Installation Check if the lockup screws of the fixed blades are locked firmly. Check whether star screws are tightened. Check if the flange of the speed reducer has been locked firmly. Electrical Installation Voltage: Specs of the fuse: 1 Phase...

  • Page 44: Check Half-Yearly Or Every 1000 Running Hours

    6.10.6 Check Half-yearly or Every 1000 Running Hours Check or replace lubrication for gear box. Check lubrication of bearing. Evaluation of the machine condition. 6.10.7 3 year Checking PC board renewal. No fuse breaker renewal. 44(44)

This manual is also suitable for:

Sg-2417nSg-2427nSg-2436nSg-2446n

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