BEDIENUNGSANLEITUNG Forstner SPEED Grinder (FSG) INSTRUCTION MANUAL Forstner SPEED Grinder (FSG) NOTICE D’UTILISATION Forstner SPEED Grinder (FSG)
INSTRUCTION MANUAL Forstner SPEED Grinder (FSG) EN Professional grinding equipment for sharpening Forstner bits, TCT hinge boring bits and Universal bits. General information: Usually, only qualified grinding and sharpening services can be used for regrinding Forstner bits and TCT hinge boring bits. But even grinding and sharpening services are not always able to professionally regrind a Forstner bit.
Grinding the cutter: To grind the cutter, you have to clamp a Ø6 mm (up to Ø20 mm for Forstner bits) or Ø8 mm (> Ø20 mm for Forstner bits) grinding pin in the drill. It is important that the grinding pin is clamped along its entire shank length. FISCH Forstner bits provide a grinding angle of 35° as standard. Set the sleeve fixture (Item 4) to (90°-35°)=55° and fix the sleeve fixture (Item 4) using the knurled screw (Item 10) (ill. 7,8). The sleeve fixture (Item 4) must not move.
Grinding the cutting surface: For grinding the cutting spur, a grinding plate with a shank is clamped into the box column drill. ill. 17 ill. 18 ill. 19 ill. 20 ill. 21 ill. 22 ill. 23 ill. 24 It must be made sure that the grinding plate is clamped along half the shank length. Forstner bits from the brand FISCH have a standard cutting angle of 30°. The cutting angle may deviate for other makes. Set the sleeve fixture (Item 4) to 30° and fix it using the knurled screw (ill. 17, 18).
Grinding the centre point For grinding the centre point, a Ø8mm grinding pin is clamped into the drill. ill. 25 Abb. ill. 268 It must be made sure that the grinding pin is clamped into the drill chuck with the entire length of its shank. FISCH Forstner bits provide a point angle of 25° as standard. With other cutter makes, the point angle may deviate from this value. Set the sleeve fixture (Item 4) to (90°-25°)=65° and fix the sleeve fixture (Item 4) using the knurled screw (Item 10) (ill.
Construction of the Forstner Speed Grinder Item Mat.
