World's first 5-in-1 nano screen maker for screen printers

For the first time a most compact, space saving and a revolutionary product “NANO-SCREEN MAKER 5-in-1. This 5-in-1 pack is suitable to all screen printers whose size of the print area is below 18” x 24”.
By: shripada bhat, Grafica Flextronica
 
July 26, 2010 - PRLog -- NANO-SCREEN MAKER 5-in-1™ launched, another first time in the world fete by Grafica

Screen is the heart of screen printing process. Good and accurately made screen is the only way to achieve good quality output in screen printing. To make good and accurate screen, screen printers need high quality screen making equipment which include fabric stretching, emulsion coating, drying, exposing, etc. Grafica is known to produce high quality screen making equipments which are all offered separately.

Now, for the first time a most compact, space saving and a revolutionary product “NANO-SCREEN MAKER 5-in-1™ is being introduced by Grafica Flextronica. This 5-in-1 pack is suitable to all screen printers whose size of the print area is below 18” x 24”. 5-in-1 NANO SCREEN MAKER is mainly designed to enable screen printers prepare high quality screens which is the only way to achieve best results and increase profit.

The NANO-SCREEN MAKER 5-in-1 pack includes: Screen Stretcher/Coater/Dryer/Exposure/Inspector - 5 in 1 is Space saving, Single phase hence it is Plug and start, its Castor wheel is easy for mobility.

Continues improvement is an ongoing process at Grafica. So, Grafica's NANO-SCREEN MAKER 5-in-1™ is a perfect and advance Solution, an idea that cropped up after the launch of Grafica NANO-PRINT, a low cost high quality screen printing machine. The company felt the need to quickly design a NANO-SCREEN making unit to suit the needs of the small and medium sized screen printers who usually out source screen stretching service and/or use age old method of fabric stretching (by hitting nails on wooden frames), coating by hand, improper drying and unscientific way of exposing – all leading to poor quality prints and low profit.

Grafica decided to design a 5-in-1 screen making unit instead of designing different NANO screen making units in order to save space and transport cost, besides it makes economic sense too. The innovative idea of producing 5-in-1 system not only saves space but also saves transport and packing cost. This compact system is mounted on a smooth castor wheel for easy mobility within department.

Screen Exposure:
It's highly compact, yet strong and sturdy, provided with all advance features required to produces high quality screens in-house. Unlike conventional outdated tube light exposing box, this system is perfectly designed using Metal Halide Lamp with mirror polished reflector, which delivers faster exposure and increases light efficiency. Its considered to be the most advance lighting system to reproduce fine details and its best suited amongst all modern photopolymer emulsions, capillary films and even thick films available today.

Metal halide lamps superior hardening characteristics delivers higher production from each screens compare to any ordinary conventional tube light exposing box. A light integrator is incorporated with a sensor to make sure there are no failure of screens due to over/under exposures, which mainly occurs due to voltage fluctuations. Even this unique tool automatically compensates the exposure time as the lamp ages. Light integrator not only ease pressure but maintains consistency in exposure time. It also switches off the lamp automatically once the set counts are completed.

The transparent glass frame coupled with two gas cylinders allows to place the screen frame on the vacuum blanket comfortably. A powerful vacuum pump connected with highly stretchable rubber blanket ensures excellent contact between positive and screen. This benefits to produce consistent quality of halftone dots with excellent edge definition.


Screen Dryer:
A very essential element of emulsion drying. Screen dryer avoids stronger dust particles to settle on the emulsion while drying. The system is designed to dry screens horizontally to get uniform emulsion thickness all over. Proper air circulation with ventilation system coupled with low powered fan and efficient heater ensures quick drying thus minimizes downtime for additional coats. The heater is connect with high quality digital temperature controller to set desired heat inside the dryer. The thermal insulation is sandwiched between solid steel fabricated drying cabinet to retain heat inside the dryer. This unique fundamental minimizes power consumption and increases drying efficiency. It’s provided with maximum storage capacity of 3 screen while maintaining appropriate distance between each frames to ensure proper air circulation for fast drying of emulsions and films.

Screen Inspector:
The inspector is properly designed to spread uniform light across the screen to ensure no spots are left unnoticed. Its compact and productive thus saves lot of space keeping a separate table for screen inspection.

A sliding inspector is mounted on a guide rails for easy movement thus a clever idea is applied to push the inspector along with the screen frame to avoid waste of time keeping half untouched screen frame on the floor and restart again keeping it back on the inspector. Its not only clever but also intelligent to switch the lights ON when pulled out and switches OFF when pushed in.

Emulsion Coating Stand with Trough
A unique spring loaded quick clamping device holds the screen vertically while operator coats the emulsion manually. This avoids any kind of shake while coating the emulsion on the screen ensuring trouble free operation plus saves one additional person for just holding the frame while other coats. This adjustable clamp locks various size of screen frame quickly and easily. Fully anodized coating trough with superior edge quality obtains smooth emulsion finish leaving no marks and streaks. Highly recommended stuff for applying proper emulsion on the screen. A shelf is provided to stack coating trough to avoid any type of damages.

Mechanical Fabric Stretcher with Tension Meter
This simple, sturdy, foldable, space saving device is designed to achieve perfect screens with optimum screen tension as desired with the help of Tension Meter. It's easy mechanism allows to adjust screen frame size from min 16” x 16” to max 34” x 40” OD and yet does not require power, expensive air compressor or any type of tools to stretch the fabric. Special aluminum extruded locking device holds the fabric very firmly on all four sides and does not allow to slip even at higher tensions. Unlike conventional mechanical fabric stretching systems, this unique fabric locking device reduces massive fabric waste, which is normally used just for clamping. To improve registration accuracy, 8 independent stretching knobs are provided to set optimum tension for wrap and weft thus enables to set even tension all over the screen.

And now, Grafica also offers high quality diamond wheel Squeegee sharpener. It’s one of the most handy yet power device with high quality fine diamond wheel to sharp most common used squeegee rubbers in screen printing. The diamond wheel attached with a motor mounted on a precision linear guide ways gives excellent smoothness while moving the wheel during sharpening.

A simple push button when pressed runs the motor at high speed delivers very sharp edge. A spring loaded mechanism holds the squeegee rubber firmly during sharpening to avoid vibration ensuring superior edge quality. The complete body of this sharpener is made of high quality, light weight extruded aluminum specially designed to make the most compact mobile device.

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GRAFICA Flextronica, is specialized in the manufacture and supply of a wide range of state of the art screen printing machines for various applications, fully automatic flat bed screen printing machine (AccuSpeed), fully automatic cylinder presses (STOP and SWING), textile printing machines (including for heat transfers), UV curing machines, screen making equipment, accessories and allied products. Grafica machines find application in UV coating, stickers, automobile decals, ceramic transfers, textile transfers, ceramic tiles, printed circuit boards, membrane switches, RFID, flexible PCBs, stickers, labels, textile printing, metal labels, precision dials, graphic overlays, greeting cards, wedding cards, general stationery, calendars, halftone printing for glow sings on acrylics, advertising and publicity material like signboard, sunpack, large format screen printing upto 4’ x 8’ and much more.
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Source:shripada bhat, Grafica Flextronica
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Tags:Screen Printing
Location:Vasai - Maharashtra - India
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