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OBJECTIVESOBJECTIVES
FAMILIAR WITH DIFFERENT BASIC LAYOUT FAMILIAR WITH DIFFERENT BASIC LAYOUT TOOLS.TOOLS.
IT’S USES AND MAINTENANCE.IT’S USES AND MAINTENANCE.
INTRODUCTIONINTRODUCTION
LAYING OUT IS THE PROCESS OF CONSTRUCTINGLAYING OUT IS THE PROCESS OF CONSTRUCTING
GUIDELINES AND CENTERS BASED ON THE WORKING GUIDELINES AND CENTERS BASED ON THE WORKING DRAWINGS PRIOR TO MACHINING.DRAWINGS PRIOR TO MACHINING.
AN ACCURATE,SYSTEMATIC AND FULL SIZEAN ACCURATE,SYSTEMATIC AND FULL SIZE
REPRODUCTION OF LINES,CIRCLES,ARC AND OTHER REPRODUCTION OF LINES,CIRCLES,ARC AND OTHER CONSTRUCTIVE DETAILS FROM A DRAWING TO THE CONSTRUCTIVE DETAILS FROM A DRAWING TO THE MATERIAL TO BE MACHINED OR CUT.MATERIAL TO BE MACHINED OR CUT.
LAYOUT TOOLSLAYOUT TOOLSSTEEL RULE-ALTHOUGH CALLED A MEASURING STEEL RULE-ALTHOUGH CALLED A MEASURING INSTRUMENT,MAY ALSO BE CONSIDERED A INSTRUMENT,MAY ALSO BE CONSIDERED A LAYOUT TOOLS AS IT IS INDESPENSABLE IN LAYOUT TOOLS AS IT IS INDESPENSABLE IN LAYOUT WORK FOR TAKING MEASUREMENTS NOTLAYOUT WORK FOR TAKING MEASUREMENTS NOT
REQUIRING PRECISION. REQUIRING PRECISION.
STEEL RULE HOLDER-FOR HOLDING STEEL RULESSTEEL RULE HOLDER-FOR HOLDING STEEL RULES
IN UPRIGHT POSITION, USED IN TRANSFERRING IN UPRIGHT POSITION, USED IN TRANSFERRING MEASUREMENTS WITH SURFACE GAGES.MEASUREMENTS WITH SURFACE GAGES.
SURFACE GAGE-USED IN LAYOUT WORK FOR SURFACE GAGE-USED IN LAYOUT WORK FOR SCRIBING ON HORIZONTAL OR VERTICAL SCRIBING ON HORIZONTAL OR VERTICAL SURFACES.IT MAY BE ALSO USED FOR LEVELINGSURFACES.IT MAY BE ALSO USED FOR LEVELING
CASTINGS ON A MACHINE OR FOR INSPECTINGCASTINGS ON A MACHINE OR FOR INSPECTING
WORKS.WORKS.
SURFACE PLATE-A PRECISION TOOL MADE OF SURFACE PLATE-A PRECISION TOOL MADE OF CAST IRON OR GRANITE.IT’S TOP SURFACE ISCAST IRON OR GRANITE.IT’S TOP SURFACE IS
MACHINE AND SCRAPE FLAT.IT IS USED IN LAYOUTMACHINE AND SCRAPE FLAT.IT IS USED IN LAYOUT
AND INSPECTION WORK AS A BASE UPON WHICHAND INSPECTION WORK AS A BASE UPON WHICH
TO REST THE WORK AND THE TOOLS.TO REST THE WORK AND THE TOOLS.
V-BLOCKS-ARE PRECISION TOOLS WITH SURFACEV-BLOCKS-ARE PRECISION TOOLS WITH SURFACE
SCRAPED OR GROUND FLAT,SQUARE AND SCRAPED OR GROUND FLAT,SQUARE AND PARALLEL USE TO HOLD CYLINDRICAL WORKPARALLEL USE TO HOLD CYLINDRICAL WORK
PIECE DURING DRILLING OPERATION.PIECE DURING DRILLING OPERATION.
SCRIBERS-POINTED TOOLS,MADE OF HARD STEELSCRIBERS-POINTED TOOLS,MADE OF HARD STEEL
USED FOR DRAWING LINES ALONG STRAIGHT USED FOR DRAWING LINES ALONG STRAIGHT EDGES OR AROUND PATTERNS,OR SIMPLY FOREDGES OR AROUND PATTERNS,OR SIMPLY FOR
MARKING POINTS.MARKING POINTS.
DIVIDER-IS USED LIKE A COMPASS TO LAYOUTDIVIDER-IS USED LIKE A COMPASS TO LAYOUT
CIRCLES,ARC OR DISTANCES,SUCH AS IN SPACING CIRCLES,ARC OR DISTANCES,SUCH AS IN SPACING CENTERS OF HOLES TO BE DRILLEDCENTERS OF HOLES TO BE DRILLED
AND TO CONSTRUCT OTHER GEOMETICAL AND TO CONSTRUCT OTHER GEOMETICAL FIGURES.FIGURES.
HERMAPHRODITE CALIPER-THEY HAVE ONE LEG HERMAPHRODITE CALIPER-THEY HAVE ONE LEG
SIMILAR TO A LEG OF AN OUTSIDE CALIPER,AND SIMILAR TO A LEG OF AN OUTSIDE CALIPER,AND
THE OTHER OF THAT TO A DIVIDER.THE OTHER OF THAT TO A DIVIDER.
TRAMMELS-ARE VERSATILE LAYOUT TOOLS USEDTRAMMELS-ARE VERSATILE LAYOUT TOOLS USED
IN PLACE OF THE DIVIDER,HERMAPHRODITE IN PLACE OF THE DIVIDER,HERMAPHRODITE CALIPER,OUTSIDE CALIPER,AND INSIDE CALIPERCALIPER,OUTSIDE CALIPER,AND INSIDE CALIPER
WHEN THE DISTANCES TO BE LAID OUT ARE WHEN THE DISTANCES TO BE LAID OUT ARE BEYOND THE CAPACITY OF THESE TOOLS.BEYOND THE CAPACITY OF THESE TOOLS.
CENTER PUNCH-IS USED FOR MARKING CENTERSCENTER PUNCH-IS USED FOR MARKING CENTERS
OF A HOLE TO DRILLED.IT’S POINT IS GROUND TO ANOF A HOLE TO DRILLED.IT’S POINT IS GROUND TO AN
ANGLE OF 90 DEGREES.ANGLE OF 90 DEGREES.
PRICK PUNCH-SIMILAR TO A CENTER PUNCH,BUTPRICK PUNCH-SIMILAR TO A CENTER PUNCH,BUT
IT’S POINT IS MORE POINTED(30-60 DEGREES).IT ISIT’S POINT IS MORE POINTED(30-60 DEGREES).IT IS
USED FOR MARKING CENTERS OF CIRCLES OR USED FOR MARKING CENTERS OF CIRCLES OR FOR MAKING INDENTATIONS ON A CIRCLES ORFOR MAKING INDENTATIONS ON A CIRCLES OR
ALONG A LAYOUT LINE.ALONG A LAYOUT LINE.
COMBINATION SET-CONSIST OF THREE COMBINATION SET-CONSIST OF THREE COMBINATIONS MAKING IT A VERSATILE LAYOUTCOMBINATIONS MAKING IT A VERSATILE LAYOUT
TOOL.THE STEEL RULE, MAY BE USED WITH THE TOOL.THE STEEL RULE, MAY BE USED WITH THE CENTER HEAD,THE SQUARE HEAD,OR THE CENTER HEAD,THE SQUARE HEAD,OR THE
PROTRACTOR HEAD TO FORM THE FOLLOWINGPROTRACTOR HEAD TO FORM THE FOLLOWING COMBINATION:COMBINATION:
COMBINATION SQUARE-MAY BE USED AS A TRYCOMBINATION SQUARE-MAY BE USED AS A TRY
SQUARE,AND AS A RULE AND HOLDER WHENSQUARE,AND AS A RULE AND HOLDER WHEN
TRANSFERRING HEIGHT MEASUREMENT.TRANSFERRING HEIGHT MEASUREMENT.
BEVEL PROTRACTOR-IS USED FOR LAYING OUTBEVEL PROTRACTOR-IS USED FOR LAYING OUT
OR FOR CHECKING ANGLES.OR FOR CHECKING ANGLES.
COMBINATION BEVEL AND MITER SQUARE-IS USEDCOMBINATION BEVEL AND MITER SQUARE-IS USED
FOR CHECKING,LAYING OUT,AND TRANSFERRINGFOR CHECKING,LAYING OUT,AND TRANSFERRING
ANGLES.ANGLES.
LAYOUT COLORING MATERIALSLAYOUT COLORING MATERIALS
CERTAIN MATERIAL USED TO COLOR THE CERTAIN MATERIAL USED TO COLOR THE SURFACES OF METALS TO MAKE THE LAYOUT SURFACES OF METALS TO MAKE THE LAYOUT LINES STAND CLEAR AND SHARP.LINES STAND CLEAR AND SHARP.
ORDINARY BLACKBOARD CHALK CAN BE RUBBEDORDINARY BLACKBOARD CHALK CAN BE RUBBED
OVER THE ROUGH SURFACE OF CAST IRON OR OVER THE ROUGH SURFACE OF CAST IRON OR OVER THE ROUGH END OF STEEL FOR DRAWINGOVER THE ROUGH END OF STEEL FOR DRAWING
LINES TO LOCATE CENTER.LINES TO LOCATE CENTER.
LAYOUT DYE-IS A COLORED INK -LIKE FLUID THATLAYOUT DYE-IS A COLORED INK -LIKE FLUID THAT
CAN BE SPREAD OVER THE METAL WITH A BRUSH.CAN BE SPREAD OVER THE METAL WITH A BRUSH.
IT DRIES QUICKLY AND LEAVES AN EVEN,BLUEIT DRIES QUICKLY AND LEAVES AN EVEN,BLUE
COLORED SURFACE.COLORED SURFACE.
BLUE VITRIOL-IS MADE BY MIXING 4 TO 5 OUNCESBLUE VITRIOL-IS MADE BY MIXING 4 TO 5 OUNCES
OF COPPER SULFATE IN A QUART OF WATER ANDOF COPPER SULFATE IN A QUART OF WATER AND
ADDING 4 TO 5 DROPS OF SULFURIC ACID.WHENADDING 4 TO 5 DROPS OF SULFURIC ACID.WHEN
THE SOLUTION IS APPLIED TO A METAL SURFACETHE SOLUTION IS APPLIED TO A METAL SURFACE
THE METAL TURNS INTO A COPPER COLOR.THE METAL TURNS INTO A COPPER COLOR.
GOOD LUCK….