Reaming Tools
Mounting instructions for Reamer 830

The tool consists of head, retaining knob, holder and clamping bolt for front clamping. Head Retaining knob Clamp bolt Holder Mounting of head 1. Clean head, shank and retention knob. 2. Screw retention knob with threaded end into reamer head. Note! left-hand thread. 3. Turn the clamping bolt as far as possible counterclockwise. 4. Align dots on head and holder and insert head completely into holder. 5. Tighten clamp bolt in clockwise direction (direction shown on holder). Face A must not touch stop pin B. It is recommended to use torque wrench. Holders are labelled with appropriate torque Tightening torque: Coupling size 12 and 14 7 Nm Coupling size 16 and 20 12 Nm Releasing Turn the key counterclockwise. WARNING Be sure to securely hold reamer head, as it can eject rapidly from shank. Cutting data Reamer 830 Reaming Reaming with the 830 reamer is very effective with high operational security. A basic factor for good reaming perfomance generally is the quality of the hole to be reamed. Reaming should not be expected to correct any locational or straighness errors of the pre-machined hole. There are a few application hints that will help to assure successful results: - straightness of pre-machined holes should be within 0.010 mm - radial depth of cut (ap) should be 0.1 mm or more - the feed rate should be above 0.10 mm/insert - emulsion as cutting fluid is better than oil due to the cooling properties - a cutting fluid pressure of 4 bars is sufficient - minimal lubrication techniques can be used - vibrations at hole entry can be reduced by increased feed and/or a slight honing of the cutting edges - the tool holding should be of good quality, such as the precision chucks CoroGrip and HydroGrip - exit feed should be 2 to 3 times faster than the infeed. previous

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