Hot plate welding and Hot insert press
Sims use this thermal welding technique to join thermoplastics. Specially designed heated tools are placed between two parts that are to be joined while they melt for predetermined time period. The heated tool is then removed and the two parts pressed together at a pre‐set time and pressure while the plastic cools to form a strong join.
Sims manufacture a range of standard footprint Hot plate welders with interchangeable tooling facilities. These hot plate welders can be used for products such as automotive radiator header tanks, windscreen washer fluid tanks, filters, resonator chambers, filter cartridges, and many other industrial and domestic products. One machine can have up to 30 tools associated with it; allowing manufacturing flexibility and cost cutting for multiple products.
Sims also manufacture bespoke machines to fit threaded inserts into plastic parts. Often accompanied by a bowl feeder or automatic feed system supplying correctly orientated parts to the inserting mechanism.