Hand tools Flashcards
the cut of file used to produce a smooth fiinish
single
the cut of file provides effortless chip removal and high metal removal removal rate
double
the cut of file uses for woodworking
rasp
the cut file used for soft metals such as aluminum and copper
curved
what are the coarseness of files
rough coarse bastard double cut smooth dead smooth
what are 5 classes of files
mill or saw mill machinist swiss pattern or precision file rasp curved tooth
class of file used for saw sharpening, lathe work, and finish filing
mill or saw file
class of file most common in industry, are usually double cut and used for rapid metal removal
machinist file
class of file used by instrument makers and for fine hand finishing
swiss pattern or precision file
rotary file is used to cut
harder materials such as tool steels, tough alloys, casting and forging
rotary burr is used to cut
softer material, non ferrous such as brass, aluminium, bronze
filing technique to removed large amounts of material. Using cross action stroke at 30 degrees with double cut bastard file
cross filing
filing technique used to produce a good finish using a smooth single cut file
draw filing
what are 4 common types of chisels
flat or cold
cape
round nose
diamond point
type of chisel used to cut off rivets, split nuts, and cut sheet metal
flat or cold chisel
type of chisel used for cutting keyseats, and chipping narrow grooves in oil
cape chisel
type of chisel used to cut oil grooves in journal bearing
round nose chisel
type of chisel used to draw drills back into correct position
diamond point chisel
what is the angle used to grind a chisel
60 degrees
angle of a center punch
90 degrees
angles of a prick punch
30 to 60 degrees
4 types of torque wrenches
beam
dial
ratchet click or signalling
digital
total length/torque wrench length=quotient
quotientx dial reading=torque at adapter
torque wrench extension equation total length A=24" torque wrench B=16" A/B= quotient 24/16=1.5 dial of 150ft/lbs x 1.5 = 225 ft lbs
general lap lubricant for most material
varsol or turpentine
lap lubricant for cast iron
kerosene
amount of material removed by lapping
.0005”
abrasives for lapping
natural products such as emery, crocus, flint and garnet
abrasive cloth made of aluminum oxide, silicon carbide
screens, scotchbrite
what are 3 types of dies
adjustable split
adjustable screw plate die
solid die or die nut- for chasing only
what are 2 types of cleaning
mechanical- ppe cleaning, barreling/tumbling, ultrasonic, abrasive blasting
chemical- caustic soda, solvent cleaning, high pressure or steam cleaning
what are the 3 taps and there order from start to finish
taper
plug
bottoming
serial taps are sized in diameter from smallest to biggest. what is the order
1,2,3
what are 4 types of hand reamer
solid
expansion
adjustable
taper
which hand reamer can expand more the adjustable or expansion
adjustable can move from 1/32 on small to 5/16 on larger reamers
expansion can move .006 over 1/2 and .010 from 1/2 to 1”
what is the advantage of using a helical flute reamer over a straight
can be used in a bore with a keyway or oil groove
are less aggressive than straight reamers
how much does each tooth remove when broaching
.003
Torque wrench used to measure rolling resistance
Beam and dial
what material cannot be soaked in a caustic tank
aluminum
