Auto Assembly

Spur Electron Auto Assembly line comprises of the latest technology equipment. This facility offers lower cost options for medium volume manufacturing whilst maintaining Spur Electrons reputation, through a controlled repeatable process.

• Auto Screen Printer with full vision system and windows based user interface providing complete control over printing speed, squeegee pressure, lift-off speed, and printing stroke.

• Auto Placement machine capable of placing 4600 components per hour utilising dual placement heads, 2xCCD cameras for full vision alignment, 0.001mm resolution, intelligent feeders, 132 feeder positions providing quick feeder change without interruption to placement, off line programming, and run-time optimisation.

The vapour phase soldering machine was selected to handle both lead free (230°C) and tin/lead (200°C) soldering profiles. This solders the components onto the assembled boards and is a closed loop, environmentally friendly re-flow machine. It is not possible to over-heat the boards, soldering takes place in an oxygen free environment and uses a fluid that is non-toxic and environmentally compatible. Up to four thermocouples placed on the board allow extremely accurate temperature profiles to be produced. The main advantages of this manufacturing method are:

• Reflow temperatures that cannot be exceeded, protecting the board from over heating,
• Provides fast efficient heat transfer .
• Constant repeatable solder joints of excellent quality, obtained from closed loop system precluding oxygen from the solder reflow process.
• Highly accurate and repeatable temperature profiles are achieved for every type of board.

Programmable Dot Placer

A computerised dispensing system which applies an exact amount of solder paste to the bare printed circuit boards eliminating the need for stencils. It can place 10,000 dots/hour, has automatic optimisation and an aligning camera with monitor, for accurate dot placement. Modifications to layouts can be added in seconds.

Pick & Place Machines

These enable the operator to place the components onto the solder paste as well as dispense paste and perform hot air soldering if required. The guiding system allows exact positioning of the pick and place head. The components are either kitted into a conductive carousel or can be dispensed from tape and/or stick feeders.