Process Technology Support
VOC-Free Technology
PB-Free Technology
RoHs Compliance Certification
Preferred Alloys
SAC-Alloys, Physical Properties
Process Window
Critical Issues
Board Metalizations
Lay-out Rules
Components
SMT-process
Wave Solder process
Acceptance Criteria
Reflow/Soldering in N2 Atmosphere
PB-Free Troubleshooting
General
Pb-Free Reflow
PB-Free Wave Soldering
Process Support
General Issues
General Process Considerations
Process Window
SPC
RoHs Compliance Certification
Preferred Alloys Pb-Free
SAC-Alloys, Physical Properties
Critical Issues Pb-Free Technology
International Standards
Acceptance Criteria
Inspection
Components & Placement
Board Design
THT/ Wave Soldering
Fluxes
Incoming Inspection/ QA fluxes
General Wave Soldering
Selective Soldering
SMT/Reflow Soldering Paste
Pb-Free Technology
Solder paste Composition
Solder Paste Powder
Flow Properties
Solder Paste Flux
Rheometry
Thermal Properties
Lead-Free paste
Selecting a paste
QA incoming
Working disciplines
SMT/Reflow Printing
Process control
Stencils
Squeegees
Direct Imaging
Board support
Parameters
Board Criteria
Printing Process
Acceptance Criteria
Paste Consumption
SMT/Reflow Dispensing
Applications
Feeder
Needles
Z-Axis
Board criteria 1
Board criteria 2
Parameters
Perfect dot
SMT/Reflow Pin-in-Paste
Methods
SMT/Reflow Process
General
Equipment
Profiling
Acceptance Criteria
Perfect Joints
SMT/ Reflow ICCT Testing
Manual Soldering
Coming soon
Robot Soldering
Coming soon
Troubleshooting
Component Placement
Reflow Soldering
Wave Soldering
Pb-Free, General
Cleaning
General
Equipment
Health & Safety
Environmental Issues
Requirements
Paste Consumption
This is just an example of the calculation of paste consumption.
It is important to remember that the quantity of solder paste used is
different for every type of printed circuit board.
 
Input data
Assembly-type telephones Indoor mobile telephones
Number of boards 43000
Square surface 1140 m2
Solder cream 224 kgs
Processing time 980 hrs
Shift 8 hrs
Day 3 shifts
Week 6 days
Lines 1
 
 
Calculated Consumption

per board

5.2 grams
per cm2 0.02 grams
 
Calculated Consumption Time in Kgs
hour 0.23
shift 1.8
day 5.4
week 32.4