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College of Engineering Shop Procedure

DRILL PRESS PROCEDURE

Dept:

Multi-department

Laboratory:

Student Machine Shop

Rm:

HML 112

Authored by:

________________________________________ ____________

Dick Sevier, Research Support Engineer Date:

Reviewed and Approved by:

________________________________________ ____________

Matt Lundgren, EH&S Lab Safety Officer Date:

Filename:

Drill Press 17-Oct-11.doc

Revision:

Procedure Type

Process/Protocol Chemical Hazard Class

Brief Overview &

Scope

This procedure provides general instructions on how to use the Wilton 20" and Ridgid

14" drill presses in the shop environment. The drill press is intended primarily to drill

holes either through the material or to a pre-set depth.

This document describes typical operations only; consult a shop supervisor if you need

to perform an operation not described here. Maintenance of the tool are beyond the

scope of this document due to the skill required and diversity of tools and processes

associated with these operations.

Potential Hazards

• Entanglement with chuck or belt system resulting in injury or death.

• Injury due to workpiece thrown from table.

• Eye injury due to debris ejected from drilling.

• Burns due to drill bit or workpiece becoming hot.

• Injury due to heavy workpiece or fixture falling off table

• Pinching fingers when changing belt positions to set to different speed

Engr. Controls

Belt guard, work light (opt.)

PPE

Safety glasses, non-slip, close-toed shoes

Add'l Equipment,

Tools:

Drill bits, vise, clamps, taps, reamers as needed, hand broom, dust pan

Mat’ls, Supplies:

Cutting lubricant, towels (as needed)

Add’l Training

Requirements

• All mandatory shop training modules

• Hands-on training for drill press

• Video training for drill press

Special Requirements:

Handling &

Facilities

n/a

Spill & Incident

n/a

Decontamination/

Waste Disposal

Any paper towels, rags or other waste generated is to be disposed of according to

Shop Waste Materials Disposal SOP.

Sources/

References

Some content for this procedure have been taken from the user manual for the Ridgid

DP15501 drill press and the UCLA Student/Faculty Shop online drill press training.

Summary of content (10 pages)

PAGE 1
College of Engineering Shop Procedure DRILL PRESS PROCEDURE Dept: Multi-department Authored by: Laboratory: Student Machine Shop ________________________________________ Rm: HML 112 ____________ Dick Sevier, Research Support Engineer Reviewed and Approved by: ________________________________________ Date: ____________ Matt Lundgren, EH&S Lab Safety Officer Filename: Procedure Type Brief Overview & Scope Potential Hazards Engr.
PAGE 2
DRILL PRESS TABLE OF CONTENTS TOOL COMPONENTS .................................................................................................................... 3 GENERAL DRILL PRESS SAFETY RULES .................................................................................. 4 COMMON TASKS .......................................................................................................................... 5 1. Stopping the Drill Press ...............................................................
PAGE 3
DRILL PRESS TOOL COMPONENTS Depth Stop Belt/Pulley Guard Motor Position Lock Bolt (one on each side) On/Off Switch Motor Position Lever Quill Feed Handle Rack Chuck Table Height Adj.
PAGE 4
DRILL PRESS GENERAL DRILL PRESS SAFETY RULES a. Safety glasses are required to use this tool. b. .To prevent entanglement with the chuck or bit: - Tie back long hair and tuck under shirt, roll up long sleeves, remove gloves or loose clothing. - Remove any gloves, rings, or other jewelry. - Keep hands away from work area. - Do not slow or stop the chuck with your hand after powering off. Let the machine stop by itself before touching the chuck or drill. c.
PAGE 5
DRILL PRESS COMMON TASKS Hazard, EC and PPE information listed below applies to the following tasks and sub-tasks unless otherwise noted. • Entanglement with chuck or belt system resulting in injury or death. • Injury due to workpiece thrown from table. • Eye injury due to debris ejected from drilling. Hazards • Burns due to drill bit or workpiece becoming hot.
PAGE 6
DRILL PRESS will be higher than the other when set. Set the position of the lowest belt first. Remove the other belt if necessary to accomplish this. Then set the height of the higher belt. Seating the belts in the pulley is made easier by turning the pulleys by hand. WARNING: Keep fingers away from the area in which the belt and pulley come in contact to prevent pinch injuries. j. Turn the motor position lever firmly so the motor moves away from the column and tightens the belts. k.
PAGE 7
DRILL PRESS 5. Fixturing Workpiece Improperly fixtured workpieces are a major source of accidents when using a drill press. It is impossible to describe the best way to fixture a piece when using the drill press. Improperly fixtured workpieces can get spun at high speed by the drill press, resulting in injury. However, the information below should provide important considerations as how best to fixture the piece.
PAGE 8
DRILL PRESS 6. Drilling Through Holes a. Turn drill press on. i. Wilton 20" DP: Firmly press the green START button (left figure). ii. Ridgid 14" DP: Pull the red power paddle switch at the bottom to the on (1) position (right figure). If yellow switch key is missing, contact shop supervisor. WARNING: Failure to use lubricant and/or aggressive drilling will result in a hot drill or workpiece. Handle with care, using a towel to handle piece if necessary. See instructions below. b.
PAGE 9
DRILL PRESS 7. Setting Drilling Depth and Quill Return- Wilton 20" Drill Press Drilling Depth: To drill a blind hole (not all the way through) to a given depth, proceed as follows. a. Stop Lock Ring Mark the depth of the hole on the workpiece. b. Loosen the depth scale lock. Stop Ring c. With the switch in STOP position, bring the drill bit down until the tip of lip of the bit are even with the mark. QuillStop d. Loosen the two rings above the stop.
PAGE 10
DRILL PRESS 9. Tilting Table To use the table in a bevel (tilted) position: a. Loosen the set screw under table bevel lock with hex key. Loosen table lock bolt with the hex box wrench (included). b. Tilt table to desired angle by reading bevel scale. Retighten bevel lock and set screw. WARNING: To reduce the risk of injury from spinning work or tool breakage, always clamp workpiece and backup material securely to table before operating drill press with the table tilted.