All too often, the "mind set" is to roll form whenever a print calls out a
knurl pattern.
The
knurl head is aligned with respect to bench of the machine, the axis of the
knurl head alignment points being perpendicular on the displacement direction X and parallel with the bench mirror.
Designed to help newly trained machinists develop more efficient work habits and produce higher quality parts, this manual demonstrates how to select, make and grind cutters; surface grind blocks, pins and shapes; cut threads,
knurl parts and eliminate warp; choose realistic feeds, speeds and depths of cuts; remove broken taps, drill bits and other hardware; apply proven CNC techniques to maximize output; improve surface finishes and hold tighter tolerances; assist engineers with design and manufacturing issues; and improve indicating skills and develop a feel for machining.
A hinged top permits fast, easy access for cleaning by loosening two
knurled knobs.
The Delrin body is nicely
knurled for a good grip, but both the punch and nut driver are hardened steel.
The adjustable mounting bushing has a
knurled surface to improve position holding strength.
In this setup, six steel balls mounted in the spindle retain a close-center drill holder, To remove or install the holder, it is simply a matter of pushing back on a
knurled shell around the outside of the spindle end that, in turn, releases the balls, so that they retract.
A small
knurled nut "screws" and tightens the clamp as it works its way up the legs of the strap.
The trim features 20-inch Black and Bright machined alloy wheels, gloss black trim on the grille and a body-coloured lower grille bar, piano black veneer on the dashboard and the door panels,
knurled shift paddles, contrast stitching on the seats and the steering wheel and deep pile floor mats with contrasting leather binding.
The stylus has interchangeable billet aluminum
knurled finish grip options for those who seek more control.
Drill projection length can be adjusted by handrotating the
knurled guide ring on the outside of the SDM Toolholder.