Boring HeadBoring HeadKaizen ProjectKaizen Project

By:By:

Tyson MeeksTyson Meeks

Christopher TockeyChristopher Tockey

Storage, Purpose and TipsStorage, Purpose and Tips

Cabinet #7

Bottom Drawerin gray box

PurposeBoring heads are used to create large diameter holes when tolerances do not allow for a drill bit or do not have a large enough drill bit/reamer. Can also be used to enlarge holes, or adjust hole centerlines in certain instances.

StorageCabinet #7, bottom drawer labeled “Boring Head”

Tips•Adjustments for cutting depth are on diameter basis•For smooth finish remove .002” on final pass•Use cutting oil to cool and lubricate tool

Safety•Be sure all set screws are tight before operation•Be sure boring bar has clearance to fit into hole when boring•Remove Allen wrench before turning mill on•Double check mill speed before operation

Tool Sources•MSC Industrial Supply <http://www1.mscdirect.com>•Big Kaiser Precision Tooling Inc. <http://www.bigkaiser.com>

Operation1. Install head into mill2. Install boring bar and tighten set screw3. Loosen lock screw and adjust boring bar to hole edge4. Dial for a cut (0.005” to 0.030”), tighten lock using small end to

prevent over torque5. Adjust mill speed for hole size and material6. Engage worm feed on mill and turn mill on7. Push or pull Knob 3 to engage worm feed in rev (knob has 3

positions in-FWD, middle-neutral, and out-REV)8. Bring quill to material (reduces amount of time to wait for feed)9. Pull handle out to engage power feed10. When at desired depth push handle back to disengage feed, then

turn off mill11. Remove head from hole (backing off tool from side)12. Repeat above until hole is desired size13. Remove bar from head. Clean and replace in box14. Remove head from mill. Clean and replace in box15. Make sure Allen wrench is in box and put in cabinet16. Disengage worm gear when done

Adjustment screw

Knob 3

Handle

Boring Head

Boring Bar

Set Screw

Lock

Use Allen wrench as shown to prevent over-tightening lock screw