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Automatic Screen Printer H450

Quick Overview
Vision Alignment Automatic Screen Printer

H450 with automatic recognition function of machine vision, using high-precision Servo drive system to achieve fast and accuracy alignment .The precision can reach +/- 0.01mm.It build in independent cleaning system, the cycle time less than7s,ensure the high printing quality of solder paste and ultimate product efficiency. It also can print 0.3mm ultra fine pitch pad perfectly .This machine controlled by computer ,with Windows XP user interface and abundant software functions, it can set printing height, squeegee pressure, printing stroke, speed, and stencil automatic cleaning cycle etc. by software .It designed to keep the stability of printing quality, and greatly facilitate to users.

Optical System.jpg

Optical System
Uniform ring light and high brightness coaxial light ,equipped with ultra 

adjustable brightness control, makes all types of fiducial mark well 

recognizable(including rugged fiducial mark) and is applicable for all 

type of PCB and surface treatment.CCD can read incomplete or 

defective fiducial mark .

 

3 types of under stencil cleaning.jpg

3 types of under stencil cleaning
Dry, wet and vacuum. These 3 modes can be individually selected or 

combined for using. System allows manual cleaning within its operation 

menu which shortens cleaning time and improves production efficiency.

 

Top Clamping.JPG

Top Clamping

Top clamping system can ensure PCB flatness before printing, 2 piece 

tabletting press the edge of the PCB ,twist and warpage would be 

eliminated.

 

Vacuum Clamping.jpg

Vacuum Clamping (Option)

vacuum clamping is an option of H450, thin and flex PCB can be

clamped by vacuum to ensure the quality of printing . During 

production , PCB will be supported by magnetic tooling  pins  and

vacuum module, this system can hold the PCB  to keep it evenly, 

this function is useful for  thin, twist and flex PCB.

 

Programmable print head.jpg

Programmable print head

It is designed to meet the  need of different pressure at the front and 

rear squeegee and the requirement of squeegee’s leveling stability, to

prevent solder paste leakage and squeegee blade with certain 

flexibility clamping. Squeegee pressure can be independently 

programmed. This provides a stable leveling of the squeegees for 

precise solder paste transfer.

 

Motion System.jpg

Motion System

Squeegee Y-axis servo screw drive with higher precision and more 

stable operation, extend the service life; built-in precise pressure 

control system, the sgueegee can be accurately measured raw 

pressure value, providing customers a good printing control platform.

 

Programming Software.jpg

Programming Software

Only 2 pages for programming, easy to operate and changeover. 

Including Operation Journal/Breakdown Record/Breakdown Diagnosis/ 

Error Analysis/Light Alarm.

H450 Automatic Screen Printer Feature

Using windows XP operating system, menu of Chinese/ English.

H450 dedicated mathematical model, accuracy  is±25 micron (±0.001") @6 σ,Cp ≥ 2.0

Y direction of squeegee,stepper motor servo screw replace belt drive in order to improve the printing stability.

Programmable squeegee system ,independent direct stepper motor control ,built-in precise pressure control system.

PCB transfer and position system, stepper motor drives , quick PCB thickness adjustment, base board edge clamping system,

   vacuum system (option).

Stencil automatic position system, simply enter the stencil mark point location without adapter can automatically locate the stencil

   clamping system.

Electronic control system, using self-developed modular integrated circuits, safety ,ease of maintenance ,using the industry’s most

   advanced industry control systems , enabling the machine to modify parameters during exercise .

3 stage conveyor(option).

H450 - Specifications

 Model

 H450

 Maximum PCB Size   (X x Y)

 450mm x 340mm

 Minimum PCB Size   (X x Y)

 50mm x 50mm

 PCB Thickness

 0.4mm~6mm

 PCB Warpage

 Max. PCB Diagonal 1%

 Maximum PCB Weight

 6Kg

 Plate Edge Clearance

 Up to 3mm

 Maximum Bottom Clearance

 16mm

 Transport Speed

 1500mm/Second(Max)

 Transport Height

 900±40mm

 Transport Direction

 Left-Right, Right-Left, Left-Left, Right-Right

 Transmission Mode

 One Stage

 Clamping System

 Patented over the top clamping /side clamping/vacuum nozzle(option)

 Support System

 Magnetic Pin/Support Blocks/Special tooling

 Print Head

 Two independent motorized print heads

 Frame Size

 370mm x 470mm~737 mm x 737 mm

 Squeegee Type

 Steel/Rubber Squeegee Blade(Angle:45/55/60)

 Squeegee length

 220mm~500mm

 Squeegee height

 65±1mm

 Squeegee thickness

 0.25mm Diamond-like carbon

 Print Mode

 Single or Double Squeegee Printing

 Stencil Snap-off

 0.02 mm - 12 mm

 Print Speed

 6 mm/sec - 200 mm/sec

 Print Pressure

 0.5kg - 10Kg

 Print Route

 ±200 mm(from central )

 Imaging Horizon   (FOV)

 6.4mm x 4.8mm

 Adjustment Range

 X,Y:±7.0mm,θ:±2.0°

 Vision System

 Look Up/Down Optics Structure/CCD/Geometry Pattern-match

 Repeat Position Accuracy

 ±0.01mm

 Printing Accuracy

 ±0.025mm

 Cycle Time

 ≤7s

 Changeover Time

 ≤5mins

 Power Supply

 AC220V±10%,50/60HZ,15A

 Air Supply

 4~6Kg/cm2, 10.0 Diameter of Tube

 Operating System

 Windows XP

 Machine Dimensions

 1140mm x 1400mm x 1480mm

 Machine Weight

 1000Kg

H450 Automatic Screen Printer Include

H450 Configurations (Standard Included):

 SMEMA Interface

 ◎ MC control software

 ◎ 2D inspection system

 ◎ Automatic vision alignment

 ◎ Pair of metal squeegees included

 ◎ Wet/dry/vacuum under stencil wiping system

 ◎ Dual squeegee assembly with single & dual stroke control

 ◎ Industrial PC with LCD monitor and Windows operating system

 ◎ PCB support—side clamp, vacuum hold-down tooling, magnetic support pins

 ◎ One year parts warranty

 ◎ Clean Paper for testing

 ◎ Tooling Box

 ◎ Solder paste mixing knife

H450 Optional:

 ◎ Automatic Adding Solder Paste

 ◎ Constant Temperature and Humidity Function

 ◎ PCB Vacuum Clamping

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