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TECHNI CAL REFEREN CE MODULE OVERVIEW Chapter Issue 8 Dec 02 ProFlow Manual 1.1 CHAPTER 1 TECHNICAL RE FERENCE MODULE OVERVIEW Purpose The purp ose of ProFlo w is to apply printa ble mater ial dire ctly ont o the st enci…
TECHNICAL REFERENCE
MODULE OVERVIEW
Chapter Issue 8 Dec 02 ProFlow Manual 1.1
CHAPTER 1 TECHNICAL REFERENCE
MODULE OVERVIEW
Purpose The purpose of ProFlow is to apply printable material directly onto the stencil
alleviating the need for squeegees and a paste dispenser. This system is
derived from the material transfer technology DirEKt Imaging.
The ProFlow system is an optional replacement to the squeegee and paste
dispenser systems.
ProFlow is a self contained unit with the following advantages:
• Fully sealed unit keeping the printable material in optimum condition.
• Cassette option easily changed for replacement units.
• Rechargeable unit option.
• Retention system keeping stencil surfaces clean.
• Reduction in printable material wastage.
• Reduction in under screen cleaner paper and solvent usage.
Elements The main units of ProFlow comprise:
• ProFlow Printhead Mechanism
• ProFlow Pressure Mechanism
• ProFlow Transfer Head
• ProFlow Downstop (not fitted to fixed head machines)
Figure 1-1 ProFlow Fitted to an Infinity Machine
TECHNICAL REFERENCE
MODULE OVERVIEW
1.2 ProFlow Manual Chapter Issue 8 Dec 02
The main components of each unit consist of the following:
Pressure
Mechanism
• Pneumatic Actuators, (2 positions)
• Software Controlled Air Regulator - SCAR
• Cassette Low Sensor
• Piston Crosshead
Transfer Head • Conditioning Chamber (single or dual chamber)
• Cassette Carrier or Rechargeable Unit Option
• Cassette (optional)
• Retention System
Configuration The following optional configurations of ProFlow are available for use on this
machine:
Cassette The ProFlow cassette is available in 300mm size only (capacity approximately
800g - 850g solder paste).
Transfer Head The table below lists the types of optional transfer head units, and sizes
available, for use with ProFlow.
NOTE
All of the above cassette transfer heads are fitted with the standard 300mm
cassette and 300mm piston crosshead. A dedicated piston crosshead is
required for each rechargeable transfer head size.
Transfer Head Type
Transfer Head Sizes ( mm)
150 300 350 400 450 500
Cassette Type (single conditioning chamber)
Cassette Type (dual conditioning chamber)
Rechargeable Type (single conditioning chamber)
Rechargeable Type (dual conditioning chamber)