- * Supply: 240 volt / 50hz (standard 13-amp 3-pin plug).
- * Generator frequency: Nominal 27.2 Mhz
- * Size: 66 x 43 x 44cm (H x W x D)
- * Weight: 55kg
- * Curing speed: 3 - 10 seconds per weld
- * Penetration: 50mm effective
- * Output: 0.5 - 0.6 amps at 2400 volts (internal HT) on load
- * Finish: Hardwearing powder coated finish
- * Electrical Safety: Cabinet and fittings are fully earthed. Cutout switch isolates main power if rear access panel is removed. 10 amp panel-mounted fuse for protection.
- * Hand gun specification: Lightweight, easy to use hand gun. Incorporates on/off trigger, thumb-operated fine tuning control and R.F. power indicator meter. Supplied with 2 sets of electrodes.
- * Servicing and maintainance: A comprehensive range of spares are available from Tregarne and can usually be delivered next day. Repairs can be carried out within 1 - 2 days.
- * Warranty: All new machines are covered by a standard 12-month warranty from the date of purchase.
- Radio Frequency Curing has revolutionised gluing techniques in recent years. speeding up assembly processes and increasing production capacity. The Woodwelder works in conjunction with many glues including cross-linked PVA or UF resins which, when subjected to R.F. energy, creates an irreversible bond. The components to be bonded are placed together with a line of glue between them Pressure must be applied using air rams or sash clamps. The welding gun is placed on the timber surface directly over the glue line and the trigger pulled. Bonding takes place in a matter of seconds, as the energy excites the water molecules causing the glue to expand into the pores of the wood whilst evaporating the water. Long glue lines (table tops, panels, mouldings, etc.) are spot welded every 6 to 12 inches along the glue line. The glue not cured by R.F. cures in its own time. The material can be sanded, fielded, or worked soon after welding.
- The time taken to cure the joint will vary according to the type of timber, the quality of the glue, and the depth of the glue joint. This time would normally vary between 3-10 seconds.
- Important: For simplicity, most of the illustrations shown here do not show clamping, but workpieces must be clamped prior to using the R.F. gun to obtain the best possible joint.
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