GRAVIMETRIC FEEDER
GRAVIMETRIC FEEDER
The operating principle of GM-MIX  Gravimetric Feeder with single screw is as follow; all of the feed system is standing one of the weighing platform. When the screw system works, each unit can also be weighed and decreasing the amount of material is calculated. This material amount is compared with the goal value and given the command to the engine for the calculated suitable speed. Simultaneous control and correction process with the target value is kept in a sensitive tolerance band. Advantages GM-MIX  Gravimetric Feeder System has more important feature then the classic volumetric feed system. This feeder much more sensitive. This system provides saving of raw material to the system enrty and ensures the homogeneity of the facility to more efficient operation of the system output. Volumetric system works with %10 sensitivity but the gravimetric dosing system works by 0,2% accuracy. So it provides to save the company rate of 9,8% for each hour. It has a special software. In a special thanks to the software, the system output checks the deviations of the target value and over time realize the changes of the characteristic of flow. By this way linearity can be ensured next of the accuracy. Furthermore, during and after Refill, the system continued in a control manner to contribute to the flow linearity. The other advantages of gravimetric system are; - It provides closed-loop control system with simultaneous weight matering and feed in the amount of supervision. - Wide range limit automatically adapts differences in density of the material that may accur over time. - Material and output amount can be controlled directly. - It has high linearity. Applications Areas Loss in weight of the principle of gravimetric feeder has a wide area which sectors dosing applications commonly used. This sectors; - Plastic Industry - Food Industry - University R & D efforts in - Mining and Chemical Industry - Pharmaceutical Industry Gravimetric single screw feeder uses the following materials dosing continuous applications; - Granuler Materials - Powder Materials - Lumpy Materials - Fibrous Materials - Exfoliate Materials The Projection Thanks to its flexible design, offers suitable solutions for the different material and different capacity. Custom solutions could be found for the applications of granular, fiber or powder materials. It seems elegant with projection of single engine. Gear system running a horizontal mixer provides a linear flow to the fluency of a low coefficient of powder materials and it reduces the feeder error rate to the minimum. It provides to calculate the resolution of sensitive weighing and accurancy and linearity of supply system in a sensitive level like 0,2% rate. The control system has a friendly interface to be helpful for operators and it shows everything on the touchmatic screen.
LABORATORY TYPE COUNTER ROTATE
LABORATORY TYPE COUNTER ROTATE
20 mm twin screw counter rotate extruder has variable barrel desing such as 20 L/D and 22 L/D. If necesarry, the extruder can be redesigned between 22 L/D and 32 L/D. The barrel is designed as four pieces and is resistant to high temperatures. Every zones’ heaters works by its own socket. This makes it possible to redesign the screw and barrel configuration for the best mixing and dispersion. Extruder and cooling strain unit is designed on a single stand. Designed testing with as little raw material as possible.  Allows the processing of valuable polymers by its small value.   CONTROL PANEL Extruder control panel is designed for easy use. The screw and feeding’s revolutions can be adjusted, head’s pressure and other parameters can be seen by 10' standard touch screen. The values in the formulas can be saved to the device memory. By the way, you can call the formulas stored in the memory by typing their number or name and get the machine ready for use. Extruder electrical panel is located at the bottom of the table. SPECIFICATIONS The film unit is tension controlled. The rollers are speed controlled. The rollers are (3-pcs.) stainless steel and water-cooled.  The pulling rollers' height is adjustable and made of rubber material. (Rubber hardness is 90 hrc.)  The winding system has torque controlled lining system. The films' tension can be controlled. The Chill Roll roller's height and speed can be controlled. The thickness can be adjustable between 0,2 mm and 1,5 mm. The width is between 2 cm and 5 cm.
LABORATORY TYPE 16MM CAST FILM UNIT
LABORATORY TYPE 16MM CAST FILM UNIT
16 mm single screw extruder has variable barrel desing such as 24 L/D – 30 L/D – 35 L/D and 40 L/D. If necesarry, the extruder can be redesigned between 24 L/D and 40 L/D.  The barrel is designed as seven pieces and resistant to high temperatures that makes possible to redesign the screw and barrel configuration for the best mixing and dispersion. Granulator, cast film unit, blown film unit, etc. can be applied to the Extruder. Designed testing with raw material as minimum as possible. Allows the processing of valuable polymers by changing screw and barrel design. The screw elements of the extruder can be redesigned for any different application by changing kneading, mixing and cutting elements. CONTROL PANEL Extruder control panel is designed for easy use. The screw and feeding’s revolutions can be adjusted, head’s pressure and other parameters can be seen by 10' standard touch screen. The values in the formulas can be saved to the device memory. By the way, you can call the formulas stored in the memory by typing their number or name and get the machine ready for use. Extruder electrical panel is located at the bottom of the table. CAST FILM UNIT SPECIFICATIONS Pulling roller system Lining and edge waste winding Height 38 cm Adjustable cutting system for film width. Film thickness measuring system Film width max 90 mm Film thickness min 20 microns. CONTROL Starting / Stopping, Speed control Electric: with a socket from extruder main body 

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        GULNAR MACHINERY founded in 2004 and produces machines which is using plastic raw materials ; Masterbatch paint machines, concentrated dye machines, front cut (granulator), laboratory mixer (gelimat), laboratory press, laboratory cylinder (kalendar), laboratory pre-cutting, pool and drying apparatus, double revision of the screw and the barrel, paint mixer (powder paint mixer). As a first time in the industry , it is continue to produce double screw extruder with all domestic production line.               Established its own company GÜLNAR PLASTİK MAKİNALARI SAN.TİC VE LTD ŞTİ in 2010. Strengthening the structure of the organization by efficient use of available resources and providing continuous improvement in product quality we are offering a flexible and innovative solutions to our customers. In addition, our production machines and systems are getting developed, expanded and diversified all the time parallel with the increasing importance for the world economy and the plastics industry. Our Vision On plastic machinery industry, using the right technology to offering valuable solutions to turnkey industrial plants with holding the highest level of customer satisfaction, exchange forwards, offering desired quality and time to be an international brand on a global level. As GULNAR MACHINERY committed the continuity of quality and quality system conformity inspection.
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