GAR-DUR® Machining Capabilities

Machining Gar – Dur Plastic

Warner Swasey Large Machine Lathe 6″ Spindle Hole – at 314 rpm – feed at slow setting #1 = 3″ feed in 30 seconds – rougher finish at setting #4 = 3″ feed in 16 seconds Leblond Machine Lathe 1-1/2″ Spindle Hole – at 364 rpm – slower the feed = smoother the finish Turret Lathe – 2-3/4″ diameter spindle hole – at 364 rpm – slow feed approximately 12 minutes per 10 foot length Tools – an 8° clearance on cutting edge – side clearance 8° to 10° – rake 12° – all forming tools – 8° to 10° rake Vertical Milling Machine – a high helix plain milling cutter – spindle speed – 875 rpm – table feed – 5 minutes per 10 foot length – all forming tools – 14° clearance Bridgeport Milling Machine – milling bits should be a 2 flute slow helix – flycutter can be used on large surface – spindle feed – 1115 rpm, for slots – 1750 rpm – table feed – approximately 24″ per minute Drilling – large holes – 150 rpm – small holes – 350 rpm Large Planer – 3535 rpm – automatic feed 60 feet/minute Small Planer – 3450 rpm – hand feed approximately 20 feet/minute Saw – cross cut – 2835 – 3425 rpm – 18″ diameter blade – table – 3500 rpm – 13″ and 16″ diameter blade – every six tooth removed