Каталог TooTool техническая информация 2 - страница 160

Technical Information for Spade Drill A\ Reduce your drilling cost by high precision grinding and superior clamping precisionReduce your drilling cost by high Features precision grinding and superior clamping precision Core drilling Original sd DrillV ©Thinner core drilling, which reduce 20% axial resistance compared with normal •Spade drill is the new generation product replacement of the traditional twist drills, can be applied to CNCmachines and various traditional equipments such as vertical driller and radial drilling machines.drilling products.© Better self-centering 12 holders cover a range of 9.5mm to 114mm. Chip breaker •Through coolant optimizes chip evacuation and improved tool performance. © Better chip flow. The reverse double threaded hole and groove design of the insert’s connections © Reduce drilling torque. can make the insert clamping more stable, ensure the machining accuracy and the stability of the inserts. Chip breaker Processing different materials of the workpieces chose different grade of inserts.Inserts are made of cobalt high speed steel, powder high speed steel and carbidecement, but recommend the inserts made of powder HSS & cobalt HSS forvertical driller and radial drilling machines. These traditional machines have low© Improve the strength ofcutting edges.©Increase the stability. speed and large gap, it is easy to cause carbide cement chipping. Location groove Inserts of spade drill are combined with various coating, improved 3-5 times ©ensure the accuracy of the longer tool life than normal twist drills, overall efficiency of drilling double radial direction improved. Chip dividing groove Corner clip allows for effective heat dispersion and increased tool life © Better chip removal. ©reduce the cutting width and •New XR edge design can better reduce the cutting resistance, and self-centering drilling torque. point eliminates center drilling Ground back location ensures accurate positioning Flute with excellent chip evacuation Features © better chip flow. XR chisel edge regrinding © Improve the strength of Two back flank surface cutting edges. ©Increase the stability. © Reduce the friction with theworkpiece. © easy to change the insert. © Better self-centering. ©Reduce the axial resistance Surface treatment 0 Superior rigidity and wear resistance of holder. 675 676