DCP – Datum’s solder pallet material is a premium ESD (Electro-Static Discharge) composite, pressed fibre, thermoset plastic which can be machined by manufacturers to create solder pallets or wave pallets used in wave solder machines as part of the PCB reflow process.
Solder pallets or wave pallets protect vital components during the reflow and wave solder process shielding the critical components from the high temperatures of the solder reflow machines. Our solder pallet material gives a reliable heat shield for heat sensitive and delicate components during the PCB component soldering process and with its ESD properties it protects critical components from electro-static charge.
DCP is made of high temperature glass fibre material and high-performance epoxy resin, allowing minimal fixture renewal, and maximizing productivity. Combining excellent machinability with a long service life our solder pallet material delivers direct cost benefits to both the pallet fabricator and the PCB assembler. The high-performance material enables faster cutting speeds and longer tool life. Its chemically resistant matrix ensures its solid performance through repeated reflow and has a demonstrated life of up to 10,000 solder cycles.
Advantages of using Datum DCP Solder Pallet Material
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Recommended machining parameters:
• Minimum wall and floor thickness: 1 mm (not recommended for large areas)
• Speed and feed rates: Spindle speed 7500 rpm, 8000 rpm max;
• Feed rate: 1200 mm/min (45 in/min) for a 6 mm (0.25 in) tool
• Cutter type: DCP needs hard metal tools such as Chrome-Vanadium. Typically use a 2 flute diamond coated tool.
• Coolant: Coolant is used to keep the dust contained but is not necessary for cutting. In the absence of coolant, a vacuum is required to remove the dust.
SMT (Surface Mount Technology) is the process of mounting electronic components on the surface of a PCB (Printed Circuit Board). Using a reflow oven, reflow soldering subjects solder paste to controlled heat to attach electronic components to the surface of the board.
"A study shows that even with the harshest of solder cycles – wave soldering – with three minutes of direct contact with 250°C solder and cooling to room temperature – concluded that:
• With 24-hour production, life cycle was projected to be 1.5 years
• With 12-hour production, life cycle was projected to be 2-2.5 years
• 2 years into production, no performance deficiencies were noted"
Additional recommendations included slower cooling between thermal cycles to preserve service life and projected 10,000 cycles for selective wave solder pallets due to their minimal contact with molten solder.
At Datum our solder pallet material has been developed for all procedures in the PCB tooling and assembly process including: solder paste printing, reflow soldering, wave soldering, SMT soldering and performs highly against electric arc and tracking making. Our solder pallet material is ideally suited for mechanical and electrical applications.
Benefits of Datum Solder Pallet Material:
• High strength
• Excellent machinability
• Durable - long life cycle
• Resistant to reflow oven high temperatures
• Precision machining tolerance
• Chemical resistance
DCP - SOLDER PALLET MATERIAL
|Flexural Strength (Mpa) - perpendicular 3 point support||360||360|
|Water Absorption (%)||< 0.2%||< 0.2%|
|Coefficient of Linear Expansion (10-6/K) (30ºC - 200ºC)||11||11|
|Thermal Conductivity (W/mºK)||0.25||0.25|
|Maximum operating Temperature (ºC) 10-20 seconds||350||350|
|Continuous Operating Temperature (ºC)||280||280|
|Surface Resistivity (ohms)||106 - 109||106 - 109|
|Specific Heat Capacity (J.kgK)||930||930|
|Thickness Available (mm)||3,4,5,6,8,10,12||3,4,5,6,8,10,12|