Shini SG-24T Manual
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Shini SG-24T Manual

Shini SG-24T Manual

Screenless granulator
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SG-24T
Screenless Granulator
Date: Apr, 2013
Version: Ver.B (English)

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Summary of Contents for Shini SG-24T

  • Page 1 SG-24T Screenless Granulator Date: Apr, 2013 Version: Ver.B (English)

  • Page 3: Table Of Contents

    2.2.2 Safety Switch ................20 2.2.3 Gate Lock ................20 2.3 Assembly Drawing ................21 2.3.1 System Structure (SG-24T) ............. 21 2.3.2 Parts List (SG-24T)..............22 2.3.3 Cutting Chamber and Blade Rest ..........25 2.3.4 Cutting Chamber and Blade Rest Parts List ......26 2.3.5 Transmission ................
  • Page 4 2.4.4 Electrical Components List (400V)........... 32 2.4.5 Main Circuit (230V) ..............34 2.4.6 Control Circuit (230V) .............. 35 2.4.7 Electrical Components Layout (230V) ........36 2.4.8 Electrical Components List (230V)........... 37 2.5 Options....................39 2.5.1 30-second Instant Recycling System........39 2.5.2 Storage Bin................
  • Page 5 5.2 Stop Due to Other Reasons ............... 56 Maintenance and Repair ................. 57 6.1 Repair ....................57 6.1.1 Replace the Blades..............57 6.2 Maintenance of Reduction Gear............60 6.3 Maintenance ..................60 6.3.1 Daily Check ................61 6.3.2 Weekly Check................61 6.3.3 Monthly Check.................
  • Page 6 Picture 2-1: Working Principle ................18 Picture 2-2: Safety System ................19 Picture 2-3: Emergency Stop................20 Picture 2-4: System Structure (SG-24T) ............21 Picture 2-5: Cutting Chamber and Blade Rest..........25 Picture 2-6: Transmission ................. 27 Picture 2-7: Feed Box, Feed Port and Material Stopper ........28 Picture 2-8: Storage Bin..................
  • Page 7 Picture 4-2: Main Power Switch ................ 53 Picture 4-3: START, Emergency Stop and STOP Button ......... 53 Picture 4-4: Motor Reversed Protection............54 Picture 6-1: Blades Maintenance..............58 Picture 6-2: Dismantle Fixed Blades..............59 Picture 6-3: Dismantle Rotate Blades ............... 59 Picture 6-4: Star Screws ...................
  • Page 8 8(65)

  • Page 9: General Description

    Multiple security devices ensure high safety grade; automatic reverse running function ensures continuous operation. This series of screenless granulator are suitable for granulating hard and thick materials. For SG-24T series, there are two gear motors and two cutting chambers to work simultaneously. It can granulate the sprues and waste material, also is capable of granulating long and thin or tough sprues.

  • Page 10: Coding Principle

    ● SG-24T series motor shaft and rotor shaft are connected by shaft coupling thus ensuring smooth cutting action and convenient motor replacement. ● When motor blockage occurs, the machine will alarm visibly and enable motor fo run reversely.
  • Page 11 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 12: Technical Specifications

    1.3 Technical Specifications 1.3.1 Technical Specifications Table 1-1：Technical Specifications Model SG-2427T SG-2436T SG-2446T Motor Power (kW, 50/60Hz) 1.5×2/1.75×2 2.2×2/2.55×2 2.2×2/2.55×2 Rotating Speed (rpm, 50/60Hz) 27/33 27/33 27/33 Material of Teeth Cutters SKD11 SKD11 SKD11 Number of Cutting Blades Number of Large Teeth Cutlers Number of Small Teeth Cutlers Cutting Chamber (mm) 505×270...

  • Page 13: Dimensions

    1.3.2 Dimensions Picture 1-1：Dimensions Safety Regulations Follow the instructions in this manual to avoid personal injury and damage to machine components. The following safety measures shall be followed when operating the granulator. 1.4.1 Safety Signs and Labels Electrical installation must only be done by a competent electrician! Before the granulator is opened for servicing and maintenance, always disconnect the power with both the main switch and the control switch on the granulator.
  • Page 14 Be careful with the rotating knives, they are very sharp and can cause personal injury! 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.

  • Page 15: Transportation And Storage Of The Machine

    1.4.2 Transportation and Storage of the Machine Transportation 1) SG-24T series of granulator 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 16 4) Use plastic film to cover the machine tightly to prevent the machine from dust and rains. Working environment The machine should be operated: 1) Indoors in a dry environment with max. temperature +45℃ and humidity no more than 80%. Do not use the machine: 1) If it is with a damaged cord.

  • Page 17: Exemption Clause

    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 18: Structural Features And Working Principle

    2. Structural Features and Working Principle 2.1 General Description SG-24N series are belong to "by the machine" granulator, which are designed for grinding small volume of plastic waste. Do not feed excessive materials during granulation. The granulator are controlled by main power switch, emergency stop button, start button, stop button and safety switches.

  • Page 19: Emergency Stop

    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. Picture 2-2: Safety System 2.2.1 Emergency Stop There is one red button on the control panel. Upon pushing it, the machine will stop running.

  • Page 20: Safety Switch

    Picture 2-3: Emergency Stop 2.2.2 Safety Switch On the granulator is equipped the safety position switch for circuit breaker. In case the position of feed box is changed or the breaker is loosened, it will cut off the power supply. There are two safety switches on the granulator: one is located between the feed box and the cutting chamber while the other one is between the storage bin and machine body.

  • Page 21: Assembly Drawing

    Assembly Drawing 2.3.1 System Structure (SG-24T) Note: Please refer to 2.3.2 material list about the parts code. Picture 2-4: System Structure (SG-24T) 21(65)

  • Page 22: Parts List (Sg-24T)

    2.3.2 Parts List (SG-24T) Table 2-1: Parts List (SG-2427T) Parts No. Name Parts No. Name Shaft coupler cover 31 Feed box BR90242700210 Gearmotor (1.5KW) YM10773100000 31 Feed port Shaft coupler YW11000900000 33 Shot-proof strip fixed plate Special washer 2 BL51240004120...
  • Page 23 Table 2-2: Parts List (SG-2436T) Parts No. Name Parts No. Name Shaft coupler cover 31 Feed box BR90243600010 Gearmotor (2.2KW) YM10773100100 32 Feed port Shaft coupler YW11000900000 33 Shot-proof strip fixed plate Special washer 2 BL51240004120 34 Control cabinet housing Wheel sensor BH10002404010 35 Control cabinet side plate...
  • Page 24 Table 2-3: Parts List (SG-2446T) Parts No. Name Parts No. Name Shaft coupler cover 31 Feed box BR90244601010 Gearmotor (2.2KW) YM10773100100 32 Feed port Shaft coupler YW11000900000 33 Shot-proof strip fixed plate Special washer 2 BL51240004120 34 Control cabinet housing Wheel sensor BH10002404010 35 Control cabinet side plate...

  • Page 25: Cutting Chamber And Blade Rest

    2.3.3 Cutting Chamber and Blade Rest Picture 2-5: Cutting Chamber and Blade Rest 25(65)

  • Page 26: Cutting Chamber And Blade Rest Parts List

    2.3.4 Cutting Chamber and Blade Rest Parts List Table 2-4: Cutting Chamber and Blade Rest Parts List Quantity Name SG-2427T SG-2436T SG-2446T Front bearing holder at bottom Front bearing base Bearing cover Hexagon socket head cap screw M20×50 Special washer Internal circlip Bearing Right shaft sleeve...

  • Page 27: Transmission

    2.3.5 Transmission Picture 2-6: Transmission 2.3.5.1 Transmission Parts List Table 2-5: Transmission Parts List Quantity Name Name SG-2427T SG-2436T SG-2446T Reduction gear Coupling Inductive wheel Cutting chamber 27(65)

  • Page 28: Feed Box, Feed Port And Material Stopper

    2.3.6 Feed Box, Feed Port and Material Stopper Picture 2-7: Feed Box, Feed Port and Material Stopper 2.3.7 Feed Box, Feed Port and Material Stopper Parts List Table 2-6: Feed Box, Feed Port and Material Stopper Parts List Quantity Name Name SG-2427T SG-2436T...

  • Page 29: Electrical Diagram

    2.4 Electrical Diagram 2.4.1 Main Circuit (400V) Picture 2-9: Main Circuit (400V) 29(65)

  • Page 30: Control Circuit (400V)

    2.4.2 Control Circuit (400V) Picture 2-10: Control Circuit (400V) 30(65)

  • Page 31: Electrical Components Layout (400V)

    2.4.3 Electrical Components Layout (400V) Picture 2-11: Electrical Components Layout (400V) 31(65)

  • Page 32: Electrical Components List (400V)

    2.4.4 Electrical Components List (400V) Table 2-8: SG-2427T Parts List (400V) Symbol Name Specification Part No. Mian switch YE10200300000 Q2 Q3 Circuit breaker** YE40600300000 Q2 Q3 Circuit breaker** YE40603000000 K1~K4 Contactor** 230V 50/60Hz YE00300100000 Contactor** 230V 50/60Hz YE00301000000 Middle relay 230V 50/60Hz YE03270700000 Time relay...
  • Page 33 Table 2-9: SG-2436T/2446T Parts List (400V) Symbol Name Specification Part No. Mian switch YE10200300000 Q2 Q3 Circuit breaker** YE40601500000 Q2 Q3 Circuit breaker** YE40603000000 K1~K4 Contactor** 230V 50/60Hz YE00300100000 Contactor** 230V 50/60Hz YE00301000000 Middle relay 230V 50/60Hz YE03270700000 Time relay 3M 230VAC YE86322000000 F1 F2...

  • Page 34: Main Circuit (230V)

    2.4.5 Main Circuit (230V) Picture 2-12: Main Circuit (230V) 34(65)

  • Page 35: Control Circuit (230V)

    2.4.6 Control Circuit (230V) Picture 2-13: Control Circuit (230V) 35(65)

  • Page 36: Electrical Components Layout (230V)

    2.4.7 Electrical Components Layout (230V) Picture 2-14: Electrical Components Layout (230V) 36(65)

  • Page 37: Electrical Components List (230V)

    2.4.8 Electrical Components List (230V) Table 2-10: SG-2427T Parts List (230V) Symbol Name Specification Part No. Mian switch YE10200300000 Q2 Q3 Circuit breaker** YE40601500000 Q2 Q3 Circuit breaker** YE40603000000 K1~K4 Contactor** 230V 50/60Hz YE00300100000 Contactor** 230V 50/60Hz YE00301000000 Middle relay 230V 50/60Hz YE03270700000 Time relay...
  • Page 38 Table 2-11: SG-2436T/2446T Parts List (230V) Symbol Name Specification Part No. Mian switch YE10210300000 Q2 Q3 Circuit breaker** YE40602000000 Q2 Q3 Circuit breaker** YE40603000000 K1~K4 Contactor** 230V 50/60Hz YE00300100000 Contactor** 230V 50/60Hz YE00301000000 Middle relay 230V 50/60Hz YE03270700000 Time relay 3M 230VAC YE86322000000 F1 F2...

  • Page 39: Options

    2.5 Options 2.5.1 30-second Instant Recycling System Picture 2-15: 30-second Instant Recycling System 2.5.2 Storage Bin Picture 2-16: Storage Bin 2.5.3 Full-recevier Alarm Devices Level Motor Picture 2-17: Full-recevier Alarm Devices 39(65)

  • Page 40: Proportional Valves

    2.5.4 Proportional Valves Picture 2-18: Control Cabinet and Valve 40(65)

  • Page 41: 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...

  • Page 42: 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 43 Table 3-1: cutters and other fixing screw torque Thread Drawing force Fv(N) Fixing torque Ma (N.M) Thread type spec. 10.9 12.9 10.9 12.9 3900 5750 6700 6400 9400 11000 9000 1320 15500 16500 24300 28400 26300 38700 45200 38400 56500 66000 62500 77500...

  • Page 44: Installation Place

    3.2 Installation Place Check and make sure the installation ground is level; there is enough intensity when it is running. Lockup the castors. Picture 3-2: Installation Place Installation of Bearing and Blade Rest 1) Install the bearing 2. bearing washer 1. bearing sleeve 7 into the bearing base 3.

  • Page 45: Installation Of Coupling And Motor

    Picture 3-4: Installation of Bearing and Blade Rest 2 4) Fix the bearing base on the cutting chamber. Picture 3-5: Installation of Bearing and Blade Rest 3 Daub the lubrication on the bearing and bearing base. Use proper twisting force to lock the screw tightly. Installation of Coupling and Motor Notice! To stop blade rest shaft rotating while installation, use a thick wood block...

  • Page 46: Installation Of Rotating Blade And Fixed Blade

    2) Firstly fit coupling 2 on cutter shaft to match key groove holes with the cutter shaft key. And then fasten the coupling via inner hex flat end set screw. Picture 3-7: Installation of Gear Motor 2 3) Tightly fit coupling 1 and 2, fasten them on bottom plate via bolts and then fasten them on the bottom plate via cover plate.

  • Page 47: Picture 3-8: Installation Of Rotating Blade And Fixed Blade 1

    Picture 3-8: Installation of Rotating Blade and Fixed Blade 1 3) Put the rotating blade rest at the bottom block of the cutting chamber and align its holes with the holes on cutting chamber. Picture 3-9: Installation of Rotating Blade and Fixed Blade 2 4) Use a wrench to tight up all the screws on bearing block or cutting chamber and lock them up with right torque (M12x25).

  • Page 48: Installation Of Feed Box, Feed Port And Storage Bin

    Caution! In order to avoid personal injury and machine damage, the lockup screws has to be tightened. 3.6 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). Picture 3-11: Installation of Feed Box, Feed Port and Storage Bin 1 2) Hold the feed port, and insert it into the feed box.
  • Page 49 5) Hold the storage bin with both hands and push it into its right position along the slide way. 6) Lock up plum blossom handle. 49(65)

  • Page 50: Operation Guide

    Blade or rotor may be loose, make sure check them before operation: 1) Check if blades are damaged and loose; 2) Check if rotor is damaged and loose; Please contact local agents or Shini Company if any situation above has been found. Startup Pretest Unpainted part of the machine has been covered with antirust oil.

  • Page 51: 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 Notice! The installation of the granulator's circuit must be conducted by the professional electricians.

  • Page 52: 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 Notice! Make sure feed box is fully closed, otherwise machine would not start.

  • Page 53: Start And Stop The Granulator

    2) Push the storage bin inwards along its slideway. 3) Lock up long star screw and fix storage bin. 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.

  • Page 54: Motor Reversed Protective Function

    Caution! If there are ungrinded materials in the feed box or cutting chamber, the granulator shall NOT be stopped, otherwise raw materials will block the rotor and the motor will be overloaded next time you start the machine 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...
  • Page 55 2) seized up→machine stops Notice! Mount sensor and ensure its space with big wheel to about 2~4mm. 55(65)

  • Page 56: Trouble-Shooting

    Trouble-shooting 5.1 Granulator Can Not Work 1) Check if the emergency stop has not been reset. If not, rotate the Button anti-clockwise to reset it. 2) Check whether feed box is fully closed. If not, the machine could not be started.

  • Page 57: Maintenance And Repair

    Maintenance and Repair 6.1 Repair All the repair must be done by professionals to avoid damage to machine and harm to human body. 6.1.1 Replace the Blades Caution! Self-rotation exists due to non-balanced forces. Caution! Self-rotation also happens when barycenter is unstable. Wear gloves to avoid being cut and be careful of the sharp blades！...

  • Page 58: Picture 6-1: Blades Maintenance

    More details about replacing or maintaining the blades to see chapter 3.5. Inject screw thread fixing glue (light blue LOCTITE 243 recommended) to the fixing screw so to avoid slipping and tighten screws up. Picture 6-1: Blades Maintenance Caution! To decrease the possibility of harm to other people, the replacement action must be conducted by oneself.

  • Page 59: Picture 6-2: Dismantle Fixed Blades

    Picture 6-2: Dismantle Fixed Blades 2) Remove the rotating blades 1. Open the cutting chamber and loosen inner hex screws on bearing block. 2. Take out blade rest. 3. Clean the whole rotating blades and cutting chamber. Picture 6-3: Dismantle Rotate Blades Caution! Press the pressing block and blade when you remove the last screw so to avoid personal injuries.

  • Page 60: Maintenance Of Reduction Gear

    Maintenance of Reduction Gear Check lubricating oil for every six months or after 3000 hours in operation 1) Check oil level: a) Cut power off so to avoid electric shock and wait till the motor get cooled. b) Remove oil level plug to check if the oil has been filled up full. c) Install oil level plug.

  • Page 61: Daily Check

    When carrying out maintenance, ensure that there is no material left in the granulator. Caution! All repairimg must be conducted by professionals to avoid personal injuries and machine damages! 6.3.1 Daily Check 1) There is rubber shutter in the feed box. If the rubber shutter is damaged, replace it immediately.

  • Page 62: Monthly Check

    1) Check the power wire to see whether there is any damage. If so, replace it immediately. 2) Check the safety switch. 3) Check whether there is looseness in electrical connections. 6.3.3 Monthly Check 1) Check whether coupling is damaged or not. 2) Check whether blades are loose or abraded.

  • Page 63: Picture 6-5: Machine Cleaning

    Picture 6-5: Machine Cleaning Notice! Finish step 9 for every time of machine cleaning and also it at least has to be done for one time after 300 hours in operation. 63(65)

  • Page 64: Maintenance Schedule

    6.5 Maintenance Schedule 6.5.1 About the Machine Model Manufacture date Voltage Ф V Frequency Hz Power 6.5.2 Check After Installation Check if the lockup screws of the blades are locked firmly. Check if the star knob is firmly tightened. Check the rotating balance of the belt pulley. Electrical Installation Voltage: Specs of the fuse: 1 Phase...

  • Page 65: Check Half-Yearly Or Every 1000 Running Hours

    Check motor reversed running function. Check the tightness of the blades. Check whether clamp ring of pulley is fastened. Check belt tension. 6.5.6 Check Half-yearly or Every 1000 Running Hours Check or replace lubrication for gear motor. Check lubrication of bearing. Check coupling.

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