Drills and Drill Press Safety in Drills and Drill Press Safety in the Labthe Lab

Traditional Hand DrillsTraditional Hand Drills

Inside a Hand DrillInside a Hand Drill

Corded DrillsCorded DrillsElectricElectricVariable Variable speedspeedForward & Forward & reversereverse¼ “ -3/8” ¼ “ -3/8” chuckchuckStrong and Strong and durabledurable

Cordless DrillsCordless Drills

Battery powerBattery power

3/8” chuck3/8” chuck

Forward & Forward & reversereverse

Quick release Quick release chuckchuck

Torque collarTorque collar

Drill PressDrill Press

Table or bench topTable or bench top

ElectricElectric

½ chuck½ chuck

Variable speedVariable speed

Depth guage/stopDepth guage/stop

Drills and BitsDrills and BitsHS twist bitHS twist bit

Spade bitSpade bit

Brad pointBrad point

ForstnerForstner

Hole sawHole saw

Drill Press Part IdentificationDrill Press Part Identification1 Variable

speed control

2 Power Switch

3 Depth stop

4 Chuck key

5 Chuck

6 Tilt table

7 Belt/pulley cover

8 Motor

9 Head support collar

10 Column

11 Quill feed lever

12 Table locking clamp

13 Base

Drill Press Safety Drill Press Safety Do not wear loose clothing or jewelry Do not wear loose clothing or jewelry while operating a drill press. Confine while operating a drill press. Confine long hair with a tie or hair net.long hair with a tie or hair net.Wear industrial quality eye protection Wear industrial quality eye protection while drilling.while drilling.Maintain a 4” safety zone.Maintain a 4” safety zone.Keep work space around the drill press Keep work space around the drill press clean.clean.Turn off power before making Turn off power before making adjustments.adjustments.Drill only with sharp drill bits with shanks Drill only with sharp drill bits with shanks that are matched to the type of chuck that are matched to the type of chuck being used.being used.

Drill Press SafetyDrill Press SafetyClear the drill press table of all tools, metal, Clear the drill press table of all tools, metal, rags, etc. before drilling.rags, etc. before drilling.Secure small work in a drill press vise or with a Secure small work in a drill press vise or with a clamp before drilling.clamp before drilling.Keep all guards in place. Keep all guards in place. Never hold small pieces by hand while drilling.Never hold small pieces by hand while drilling.Never attempt to stop a revolving piece of work Never attempt to stop a revolving piece of work in the drill press by hand.in the drill press by hand.Secure bit by tightening the drill chuck. Secure bit by tightening the drill chuck. Remove the chuck key before the drill press is Remove the chuck key before the drill press is turned on.turned on.Never allow any part of your body to touch the Never allow any part of your body to touch the drill bit or any revolving part of the drill press drill bit or any revolving part of the drill press while it is in motion.while it is in motion.

Drill Press Basic Operating ProceduresDrill Press Basic Operating Procedures

Adjust drill speed and feed to the type Adjust drill speed and feed to the type and size of hole being drilled. Check drill and size of hole being drilled. Check drill specifications for recommended drill specifications for recommended drill speeds and feed.speeds and feed.Position long stock so it is to the left of Position long stock so it is to the left of the drill press operator while being the drill press operator while being drilled.drilled.Select proper sized bit by using drill Select proper sized bit by using drill gauge. gauge. Tighten the drill bit securely in chuck.Tighten the drill bit securely in chuck.Mark all metal to be drilled with a center Mark all metal to be drilled with a center punch.punch.

Drill Press Basic Operating ProceduresDrill Press Basic Operating Procedures

Support the end of long stock with a stand.Support the end of long stock with a stand.Clamp stock to be drilled in vise. Place a block Clamp stock to be drilled in vise. Place a block of wood under the metal being drilled to of wood under the metal being drilled to prevent the bit from cutting into the vise after prevent the bit from cutting into the vise after coming through the work.coming through the work.Make certain the chuck key had been removed Make certain the chuck key had been removed from the chuck before starting the drill press.from the chuck before starting the drill press.Make sure that guard(s) is/are in place and the Make sure that guard(s) is/are in place and the table locking clamp is tightened securely.table locking clamp is tightened securely.Use the proper cutting lubricant for the material Use the proper cutting lubricant for the material being drilled.being drilled.

Drill Press Basic Operating ProceduresDrill Press Basic Operating ProceduresSet the drill speed to match the material being Set the drill speed to match the material being drilled and hole size. Note, variable speed drill drilled and hole size. Note, variable speed drill presses require the machine to be running to presses require the machine to be running to adjust the operating speed. Standard speeds adjust the operating speed. Standard speeds 1720-1800 rpms1720-1800 rpmsApply pressure to quill feed lever, feed drill bit Apply pressure to quill feed lever, feed drill bit into stock fast enough to keep drill bit cutting at into stock fast enough to keep drill bit cutting at all times. Backtrack to free loose chips.all times. Backtrack to free loose chips.Just as the bit begins to cut through stock, Just as the bit begins to cut through stock, reducereduce the feed pressure so the bit will not the feed pressure so the bit will not seize stock. Seizing causes the material to be seize stock. Seizing causes the material to be grabbed by the bit, which will cause the grabbed by the bit, which will cause the material to revolve around the bit or will break material to revolve around the bit or will break the bit. If seized, pin the stock to the table the bit. If seized, pin the stock to the table using the feed lever and shut off power before using the feed lever and shut off power before removing any revolving material.removing any revolving material.

Drill Press Basic Operating ProceduresDrill Press Basic Operating Procedures

After the hole is drilled release the quill feed After the hole is drilled release the quill feed lever slowly and allow the chuck to return to the lever slowly and allow the chuck to return to the starting position. Turn off power.starting position. Turn off power.When work is removed from the vise When work is removed from the vise bebe carefulcareful, , the underside of the hole may have sharp ends. the underside of the hole may have sharp ends. Remove drill bit, return it to proper storage Remove drill bit, return it to proper storage place and clean your area.place and clean your area.When drilling long stock; put work on the drill When drilling long stock; put work on the drill press table, long end to the left of the drill press press table, long end to the left of the drill press operator. operator. When drilling round stock; use a V-shaped drill When drilling round stock; use a V-shaped drill block to support and hold the material. block to support and hold the material.

SELF TEST

1 11

2 12

3 13

4

5

6

7

8

9

10