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TNR-Series- the high precision injection molding machine. Following today’s advancement of science and technology, plastic material has been taken place for many complicated and heavy finishing requiring materials. Plastic product is ubiquitous and has become an essential part of our everyday life. Due to the same reason, today’s plastic injection machinery industry has grown rapidly and developed vigorously. Over the past 20 years, Nan Rong Company has dedicated tremendous effort in developing special machines that specialized in thermosetting and thermoplastic resins. Such as, PET preform injection molding machine, BMC (bulk molding compound) injection machine, Twin injection double colored t-type rotational platen injection machine, Synchronizing double speed accumulator, and etc. The extensive effort is also involved in the research and development of plastic injection molding machine. By 1990, the automatic computerized design system was fully used for machine design. With reasonable pricing, high precision, superior quality, and client-centered post-purchase services, Nan Rong machine has earned its remarkable reputation around the world.
The distinguish features are as followings:

A. The “Bevel-Plate Type Optical Ruler”, “Movable Notch Type Safety Gate”, “Multi-Purpose Discharge Base”, “Mechanism Protection Device”, and “ Newly improved tie-bars and base”, each special design of the machine is patent awarded.

  1. The non-rigid absorption design of tie-bar is able to avoid mould deformation. Product failure rate is reduced, and the tie-bar’s service life is prolonged.
  2. Multi-purpose discharge base contains material color changing, material clean-up, and mold testing. The operation-friendly feature allows time and labor saving.
  3. Tri-directional opening frame provides sufficient space for finish product withdrawing. In matching-up with conveyer system, production can therefore become efficient.
  4. The bevel-plate design is able to reduce extensive failure rate of the optical ruler.
  5. Self-lubrication with molybdenum disulfide application and auto alarm feedback device, the toggle mechanism contains duel protections.
  6. The movable notch safety gate increases the mould hanging space and also helps to shorten the product withdrawing time. The cost of robot arm purchasing can be reduced to obtain cost-effectiveness.
  7. Adjusting-free Scotch safety rod, with additional hydraulic and electrical safety devices, all 3 guards ensure operation safety.
  8. The high precision filter keeps oil cleanness at an optimum level.
  9. Removable oil tank design is convenient and timesaving for cleaning. It also serves effectively for oil cooling.
  10. The ergonomically designing, the lowering frame machine is designed to suit low ceiling factory buildings.
  11. Cladding type barrel guard can avoid overheat in the environment, suitable for air conditioning type factory buildings.
  12. Embedded straight pipe distribution provides easy construction, pressure resistance, leakage prevention, shockproof, and attractive outlook.
  13. The carbonization of PVC material resulted from overheat can be prevented by the special designed screw and fan.
  14. . The unique close-loop design of hydraulic control system ensures precision quality of the finishing product.
  15. The instant mould replacement device, operable by any personnel with no technical background, saving labor and time.
  16. External pipelines, alignment design in preventing pressure loss, easy to construct and maintain.
  17. The whole packaging design of machine outlook conforms to the European and many other countries’ safety standard.


B. AMC-800/900 Computer Control System

  1. Familiar interface: Continuing the interface and functions of AMC 500 and 700 series ensuring our valued old customers easy operation and initiation.
  2. Low learning curve: With online help box, where all screens come with help description, together with detailed description for column entry, and even description for the alarm function.
  3. Database: Lookup for plastic material temperature settings.
  4. Safety check: Cue for minimum threshold setting, with beeping reminder if the data should exceed the threshold as the system resets to the default setting.
  5. Large fonts: Large font prompting that is visually pleasing and easy for the eye, with neat function configuration for easy operation.
  6. Easy to decipher: Input color blocks that indicate entry permitted, not permitted, or not entered.
  7. Complete maneuver: Instrumental panel screen that allows machine status check at any time.
  8. Super memory cache: Modulated memory cache memorizes up to 200 sets, with expandable external connection for infinite storage.
  9. Multi languages: With many language display modes that can be switched at any time to support operations by personnel from different regions.
  10. 3D animations: All mechanical movements are prompted in animated displays.
  11. High durability: With industrial multi-layered PCB to withstand interference.
  12. High-speed computation: Display CPU in ARM7 system (in 32 bit, 66 MHz) equivalent to the 486/586.
  13. Eyesight friendly: High illumination with full-color 7.5”(860), 10.4”(880) TFT LCD screen of 640x480 resolution.
  14. Easy installation: Upright module connectors that allow tighter configuration, spacing saving for accommodating more modules.
  15. Dual protection: Automatic data backup storage that ensures no data is never lost.

General features：
  1. SPC process tracking memory that can be used for tabulating the state of product quality.
  2. Fully computerized control of all functions and temperature settings to better protect the threaded lever.
  3. PID temperature control of great precision.
  1. Programmable temperature settings for up to one week for greater operability.
  2. Mold memory cache offering programmable mold number and easy lookup for swift management
  3. With built-in linkup for Robot.
  4. Screen saver protection.
  5. Check screen in text description for easy lookup.
  6. Single-step movement timing display, and cycle timing display.
  7. Programmable packing mold setting function.
  8. Screw Rotate motor RPM display.
  9. With Real-time function for prompting the date and time.
  10. CPU system design for swift computation, accurate control and high precision.
  11. All input/output are optocoupler segregated to withstand interruption and warrant high stability.
  12. Programmable delay timing for every command switch ensuring the machine to run smoothly without generating noise.
  13. Modulated machine design for easy expansion, quick installation and swift maintenance.
  14. IO error detection screen to facilitate maintenance repair, easy rendering and troubleshooting.
  15. All input/output come with LED indicator for easy detection and maintenance.


C. AMC-700 Computer Control System :

a. Clamping Unit

  1. Potentiometer indicates the exact position of the platens. With 5 phases of pressure & speed, selection can be based on requirements. The middle platen operates in cushion-like feature.
  2. Low-pressure protection feature enables numerical time setting.
  3. Potentiometer or limit switch can be choose for ejector unit, 2 phases pressure and speed available.
  4. Contain pneumatic ejection function; separate time setting of male and female mold.
  5. Contain 3 sets of movable platen function, with timing, positioning, and counting. Speed is available in fast and slow settings.
  6. Mold adjustment available in manual, semi-auto, and auto-adjustments.
  7. Pneumatic control safety gate device.

b. Injection Unit

  1. Injection timing and positioning by potentiometer; 4 phases of pressure & speed setting, selection based on user’s requirement.
  2. Injection monitoring function enables quality inspection.
  3. Holding pressure, 4 phases of pressure & speed setting.
  4. Material feeder, 2 phases of pressure & speed setting.
  5. Loose-backup function can operate before or after material feeding.
  6. Cooling time starts from time after injection, through cooling time, to time of material-feeding process complete.
  7. Auto purging function.
  8. Injection capability.
  9. Screw rotational speed reading (rpm).
  10. Screw cold start protection.

c. Temperature Unit

  1. PID barrel temperature control, auto-adjustment available.
  2. 10 sets of solid state temperature controller (SSR) output; 2 sets of heating proportional output.
  3. 1 week preset on/ off heating function.
  4. Barrel temperature-preserving function.
  5. Temperature abnormal alarm function.

d. Control Unit

  1. Large size back-lighted LCD display, 640 * 480 pixels, with screen saver.
  2. Provide interchangeable English/ Chinese interface.
  3. Machine operation status monitor.
  4. REAL TIME, time display and adjustment functions.
  5. Potentiometer can be set to zero in adjusting system pressure and flow rate curve.
  6. Able to set delay-time during motion change and the valves’output time.
  7. Each motion is time-monitored.
  8. Motor overload protective device.
  9. Output definition can be modified.
  10. Print function, print page display, and parameters printing available.
  11. Enable computer connection (under DOS system)
    - approximately 20 machines connection
    - monitoring each machine operating status
    - alarm signal
  12. Display of time for each motion.
  13. Auto shut down device enables the machine to be shut down/ not when the preset production quantity has reached.
  14. Output quantity and packaging quantity preset.
  15. Robot arm connection available.

e. Managing Unit

  1. Production manage capability, each mold contains 6 forming records, with total 100 mold data memories.
  2. Total 5 pages of data modification, can record up to 50 modified data.
  3. Alarm record with trouble shooting directions, total 5 pages, and 50 alarm records.
  4. Temperature curve, a single curve is selected at a time for monitoring display, total 9 records.
  5. Periodically maintenance reminder and setup.
  6. Records of motor operating hours.