ATMA AT-25PA / AT-45PA Digital Electric Flat Screen Printer

AT-25PA / AT-45PA Digital Electric Flat Screen Printer

Suitable for high accuracy screen-printing on Flat Sheet/Board form substrates made of non-deforming materials. Ex: Stickers, Decals, Posters, Nameplates, Sign Boards, Flexible Printed Circuits, IMD, Membrane Switches and much more.

  • Semi-automatic: hand load / hand off-load with controlled automatic printing.

  • HMI digital touch screen panel provides user-friendly control with multiple printing functions and operating parameters, includes presetting throughput of current yield along with built-in error diagnostics.

  • Horizontal head lift; screen is parallel with printing table for even ink flow. Optimum ease of use with open access for accurate substrate registration, off-load, screen cleaning and all setup controls within close reach.

  • Greater control over the screen printing process with an unobstructed view of important printing parameters such as off-contact, peel-off, squeegee / flood settings, ink well area and view of substrate.

  • Front frame loading / unloading.

Specifications AT-25PA Metric AT-25PA Unit Conversions AT-45PA Metric AT-45PA Unit Conversions
Table size (D x W) 250mm x 400mm 9¼" x 15¾" 400mm x 600mm 15¾" x 23⅝"
Vacuum area (D x W) 210mm x 300mm 8¼" x 11¾" 345mm x 495mm 13½" x 19½"
Max. print area (D x W) 200mm x 250mm 7⅞" x 9¾" 300mm x 450mm 11¾" x 17⅝"
Max. frame size (D x W) 380mm x 530mm 14⅞" x 20½" 500mm x 750mm 19⅝" x 28⅜"
Screen frame height 26mm to 54mm 1.02" to 2.12" 26mm to 54mm 1.02" to 2.12"
Substrate thickness 0-50mm 0-2" 0-50mm 0-2"
Table height 945+30mm 37⅛+⅛" 945+30mm 37⅛+⅛"
Screen lift height 300mm 11¾" 300mm 11¾"
Print head speed (per second) 220mm-1100mm 8"-43" 220mm-1100mm 8"-43"
Capacity(P/H,full speed full stroke) 780 780 720 720
Table X/Y adjustment ±10mm/±10mm ±⅜" / ±⅜" ±10mm/±10mm ±⅜" / ±⅜"
Print head skew-angle ±9° ±9° ±9° ±9°
Power source 1-Phase, 220V, 50/60Hz 1-Phase, 220V, 50/60Hz 1-Phase, 220V, 50/60Hz 1-Phase, 220V, 50/60Hz
Power consumption 0.83 kW 0.83 kW 0.83 kW 0.83 kW
Input air pressure 5-7 kg/cm² 71-85 psi 5-7 kg/cm² 71-85 psi
Air consumption (per cycle) 0.54 l 0.14 gal 0.54 l 0.14 gal
Machine dimension (W x D x H) 72cm x 68cm x 171cm 28" x 27" x 67" 92cm x 75cm x 171cm 36" x 30" x 67"
Machine weight 180kg 418 lb 245kg 529 lb
...

Features and Benefits:

A. German S.E.W. Motor powers screw rod driven screen up/down position and drive motor for squeegee / flood travel. Provides high cycle speed with smooth mechanical movements, low noise and accuracy.

B. Printing table surface is CNC precision milled and manufactured from high quality anodized aluminum to achieve close tolerance planarity. Honeycomb construction for rigidity, while offering powerful, heat-dissipating turbine vacuum to prevent movement of substrate. Suction force is adjustable for optimum substrate control and printing requirements.

C. Travel of squeegee / flood on guided precision sealed linear motion bearings, reinforced tooth belt, timing belt wheel for high rigidity and ultra-smooth high print speed transport cycles without backlash. This ultra-smooth gliding of the squeegee / flood assembly enables step-less speed change for higher production speed, smooth operation, consistent / uniform printing deposit control, less maintenance and fast operation.

D. Squeegee / flood high-park capability facilitates faster setup and changeover.

E. Patented mechanical print head lift guided on precision sealed linear motion bearings allows stable, vibration-free movement in up / down positions.

F. Squeegee and flood printing parameter settings for speed, pressure, and stroke travel distance is independently controlled by single action from the touch screen.

G. Includes pneumatic squeegee / flood pressure equalizer control system. Fully automatic and regulated by a constant pressure control system equalized with pivot point balance for angled substrate along with snowplow skew feature for irregular print surfaces.

H. Print table X / Y movements via precision scaled micrometer control(s) for fine registration. Play-free registration without backlash.

I. Touch screen control of off-contact height between substrate and screen. Numerical value can be set up to accommodate substrate thickness 0 – 50 mm (0 – 2”).

J. Choice of six print functions from touch screen: flooding before the print stroke, flooding after the print stroke, higher cycle speed-flood while screen lifts to full up position, double squeegee printing mode with use of two squeegees mounted allowing printing in both directions and screen lift up to print position, twice printing mode (flood while screen lowers and the last flood when screen is in up position) and double squeegee mode with use of two squeegees to perform left print direction while right squeegee is idle and right print direction while left squeegee is idle. Includes no flood setting and print head lift for ease of sq / fl load and unload without removing for fast setup.

K. Touch screen input of printing standby height 100-300mm. This is the distance that the screen lifts up after the squeegee and flood sequence. Numeric value can be preset to stop the screen in a lower position for increase cycle speed.

L. Squeegee / flood assembly is synchronized and changeover is pneumatically operated for smoother transition. Adjustable height controls, angle settings 0-30°, leveling and skew feature. Provides uniform ink deposits across the entire print area.

M. Touch screen input variable and independent for print and flood stroke speed and length setting to image size. Numerical input of right print stroke start point 0-240mm and left stop point 180-330mm – AT-25PA and 280-530mm – AT-45PA 0-240mm and 280-530mm.

N. Print operating cycles: Manual setting for set up procedure, setting for foot pedal control in single cycle and automatic control with dwell timer range of time selectable from 0.2-60 seconds for substrate loading, auto-print and off-loading.

O. Productivity preset in numerical values for throughput can be changed anytime. Enter production quantity according to run length and during the run screen will indicate current yield until preset number of prints are achieved.

P. Frame loading and unloading from the front of the machine to facilitate fast setup and changeovers.

Q. Control system for compressed air supply is an oil free FRL unit to prevent oil mist pollution, applicable in clean room environment. Less air consumption, ½ HP air compressor is enough.

R. Emergency press plate positioned in front of print table in case substrate alignment is not in the correct position. Operator can press the plate and printing head slowly lifts up to the full upright home position allowing operator the chance to register correctly final substrate alignment. Reduces spoilage and yields more printed product.

S. Front safety bar location on the print head, compliant with OSHA safety regulations.

T. Includes 4 squeegee holders and 4 flood coaters, sq. / fl clamps, pedal switch control, toolbox, tools and door key.



Options:
Additional registration pins, anti-static equipment and dripless squeegee. Others available upon request.


TOP-QUALITY

Latest upgrade of the stylish ATMA type Two-post machine with ISO9001 and 14001 certified quality, featuring unique vertical screen lift design, solid and light-weight structure, compact size, fine finish, extreme accuracy, superb performance and versatility, user-friendly operation, environment-friendly energy efficiency, and low maintenance. The top quality choice of its price level in the market.

TABLE SECTION

Stationary Table consists of vacuum table and bottom base. Vacuum table is made of aluminum-alloy face board plus solid cast vacuum chamber. Vacuum is provided by ring-blower, with instant on/off switch and flow adjustment valve. Bottom base is cast-made with X/Y-axis registration adjustments knobs plus read-dial.

SCREEN SECTION

Screen is inserted from the front and held by left and right screen holder arms, which are fully adjustable. The frame is manually locked. Screen lift is driven by a heavy-duty motor with shock-free speed control along a strong and light-weight 2-post structure with linear rails. Off-contact and screen lift margins, print head speed and stroke are set from digital touch-screen control panel for smooth and stable operation with accurate and precisestop-positioning. Screen peel-off system with gradual up along print stroke and instant down before flood avoids smear defects.

PRINT HEAD

Motor driven print head strokes right-to-left along linear rails for stable smooth operation at all speeds. Travel margins are set from digital control panel. Alolows fine adjustment of squeegee and flood coater, including inclination angle, skew angle, up/down speed/depth, leveling, and speed. Includes pneumatic print head lift for clearing the head off the screen.

ELECTRIC CONTROL

Mitsubishi Programmable Logic Controller (PLC) for all machine functions, such as: on/off switch, HMI digital touch screen panel, pneumatic frame locking, vacuum control, print / flood cycle speed, stroke length, stroke start / stop position, all print function settings (see I in above F&B), manual, semi-auto, auto mode, screen up / down height setup, manual / auto timer for foot switch operation, print impression counter, preset counter for production run quantity, off-contact distance, peel-off stroke distance, start according to image position, height between screen and table, no-peel flood, emergency-stop switch, plate and safety bar, etc. (Optional pneumatic locking for rear frame holder arms)

PNEUMATIC CONTROL

Air Source on/off valve, auto moisture filtering/drainage and air-line lubrication, with pressure adjustment knob and pressure meter for squeegee and flood coater.

SAFETY

Safety features, including safety bars, cycle start/interruption control on foot switch, emergency-stop switch plate, error-prevented program inter-link and light indication, power surge and leak protections, meet and exceed all European and US safety requirements.


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