principles of construction safety first! part i safety materials for drill press, belt disk sander...
TRANSCRIPT
Principles of Construction
Safety First! Part ISafety Materials for Drill Press,
Belt Disk Sander and Router
Copyright Texas Education Agency (TEA)
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GENERAL SAFETY RULES
1. Wear protective eyewear.
2. Roll up long sleeves.
3. Tie back long hair.
4. Tuck in shirt and loose clothing.
5. Remove jewelry.
6. Do not distract machine operator.
7. Wear closed toed shoes.
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Drill P
ress
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MAJOR PARTS OF THE DRILL PRESS
• Switch• Quail lock• Chuck• Table
• Depth gauge• Feed handles• Column• Bit
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MAJOR PARTS OF THE DRILL PRESS
1. The quail lock is a clamp to lock the drill at a specific depth.
2. The chuck holds the cutter used in the drill to cut holes.
3. The table supports the materials being drilled on machine.
4. The depth gauge is used to adjust the drill to stop at a specific depth.
5. Feed handles are used to advance the drill bit in to the material.
6. The column is a post that holds the machine.
7. The bit is the cutter that drills holes in materials.
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SAFETY RULES FOR THE DRILL PRESS
1. Drill bits larger than 3/8” are used at the slowest machine speed.
2. Remove the chuck key from the chuck before starting the machine.
3. Be careful of wind motion around the chuck. It will pull in loose hair and clothes.
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SAFETY RULES FORTHE DRILL PRESS
4. Remove all extra materials and tools from machine when in operation.
5. Clamp all small parts in a vise or clamp.
6. Use bits made with straight shanks to fit in drill chuck.
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Belt Disk
Sander
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MAJOR PARTS OF THE BELT DISK SANDER
Tab le TiltA d ju stm en t
S w itch
Belt Belt Trackin g A d ju stm en t
Belt Ten sio nA d ju stm en t
D isk
Tab le
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MAJOR PARTS OF THE BELT DISK SANDER
1. The belt is the abrasive belt used to sand surfaces
and edges.
2. The disk is the abrasive material cut in a disk
and is used to sand edges and end grain.
3. The belt tracking knob is an adjustment to keep
the belt on the sander wheels, which is called
tracking.
4. The belt tension knob is used to tighten the belt
in the machine.
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SAFETY RULES FOR THE BELT DISK SANDER
1. Be certain the belts and disk are correctly
mounted.
2. Use the tables and fences to hold the material
while sanding.
3. Small or irregular shapes should be held in
clamps or in a special jig.
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SAFETY RULES FOR THE BELT DISK SANDER
4. Sand only on the downward side of the disk
sander.
5. Sand only on clean wood, not painted,
excessively glued or finished.
6. Keep the material moving across the abrasive to
prevent burning due to friction.
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Porta
ble
Sand
ers
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DIFFERENT TYPES OF PORTABLE SANDERS
Finish Sander Square Finish Sander
Belt Sander
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SAFETY RULES PORTABLE SANDERS
1. Watch power cords on sanders. Do not get cords under
sanders.
2. Clamp material to be sanded.
3. Use handles on equipment to protect your hands and control the tool.
4. Make all adjustments with the power cord unplugged.
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Rout
ers
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DIFFERENT TYPES OF ROUTERS
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Handheld Router Plunge Router Table Router
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MAJOR PARTS OF THE ROUTER
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Collet
Bit
Base
Motor
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MAJOR PARTS OF THE ROUTER
1. The base is the bottom portion where the handles
and motor are located.
2. The motor is a high RPM electric motor that has
the collet machined into the end of the shaft.
3. The collet is a tapered holding device used to
hold the bits in the machine.
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SAFETY RULES FOR THE ROUTER
1. When using a hand held router, the work must
be clamped down with a vise or a clamp.
2. Disconnect the router before changing the bit.
3. After adjusting the router depth, you should
lock the motor and base together.
4. The router bit should be inserted at least 1 inch
into the collet.
5. The router should be fed into the material against
the rotation of the cutter.
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SAFETY RULE WEB SITE
Career and Technical Education at UNT Manufacturing Curriculum:
http://www.cte.unt.edu/manufacturing/curriculum.html
Safety Rules and Videos:
http://www.powertoolinstitute.com/pti_pages/safety.asp
Simple Safety Rules:
http://www.mentorsearch.us/docs/mech/texas_safety.pdf
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