Hafco BM-53VE Operation Manual

Hafco BM-53VE Operation Manual Manual pdf 19 page image

19OPERATION MANUALIt is recommended thatthe Feed Direction Knob be left in the neutralposition when not in use.Fig. 12Coarse Feed HandleThe Coarse Feed Handle (A, Fig. 13) is located onthe right hand side of the head. The Coarse FeedHandle is used for non-precision drilling opera-tions, or for moving the quill to a specific depth,against the quill stop knob.Quill Lock LeverThe Quill Lock Lever (B, Fig. 13) is located on theright side of the head. Rotate the handle clock-wise to lock the quill in a desired position. Rotatethe handle counter-clockwise to release.The Quill Lock Lever (B, Fig. 13) is used to lock thequill at a specific depth.Micrometer Adjusting NutThe Micrometer Adjusting Nut (A, Fig. 14) is locat-ed on the front of the head and is used for settingspecific spindle depths. It is secured with the locknut (B, Fig. 14).Fine Feed WheelWhen the controls are set for the Fine feed usinghandwheel position (Figure 5), the Fine Feed Hand-wheel (A, Fig. 12) can be used to manually controlthe upward or downward direction of the quill.Remove the Manual FineFeed Handwheel when not in use. Failure to complymay cause serious injury.Depth Scale and StopThe Depth Scale and Stop are used during thedrilling operations to set the depth of the drilledhole. The depth scale is located on the front ofthe mill head. The scale consists of a MicrometerAdjusting Nut (A), Lock Nut (B), Quill Stop (C), QuillStop Screw (D), and Scale (E).The Micrometer Adjusting Nut is set to the desireddimension and locked in place using the Lock Nut.The quill stop provides a positive stop for quilltravel. The graduations on the micrometer nut arein 0.01mm increments. Adjustment of quill travelis made by rotating the micrometer nut. (Refer Fig.14:)Fig. 14Fig. 13