SCRIBER :-
- IT IS MADE FROM HIGH CARBON STEEL & HARDENED STEEL.
- IN LAYOUT WORK, IT IS NECESSARY TO SCRIBE LINES TO INDICATE THE DIMENSION OF THE WORK PIECE TO FILED OR MACHINED.
- WHEN MARKING WITH SCRIBER IS INCLINED (75-80) DEGREE TOWARD THE DIRECTION OF MOVEMENT.
- IT'S POINT ANGLE IS (12-15) DEGREE.
- OFFSET SCRIBER IS USED IN VERNIER HEIGHT GAUGE.
DIVIDER:-
- DIVIDER ARE USE FOR SCRIBING CIRCLE, ARC & FOR TRANSFERRING & STEPPING OFF DISTANCE.
- DIVIDER ARE AVAILABLE WITH FIRM JOINTS AND SPRING JOINT.
- THE MEASUREMENT ARE SET ON THE DIVIDER WITH A STEEL RULE ACCURACY IS 0.5 MM , TRANSFER DIMENSION.
- FOR CORRECT LOCATION & SEATING OF DIVIDER LEGS PRICK PUNCH MARK ARE USED.
- DIVIDER ARE SPECIFIED BY THE TYPE OF THERE JOINT AND LENGTH.
- DIVIDER POINT SHOULD BE FREQUENT SHARPENING WITH OIL STONE IS BETTER THEN SHARPENING BY GRINDING.
- IT IS MADE OF HIGH CARBON STEEL OR TOOL STEEL WITH POINT HARDENED & TEMPERED.
TRAMMEL:-
IT IS USED TO DRAW ARC & CIRCLE OF GREATER RADIUS, THAT CAN BE DRAW WITH DIVIDER.
HERMAPHORDITE CALIPER:-
- IT IS ALSO CALLED JENNY CALIPER OR ODD LEG CALIPER.
- HERMAPHORDITE CALIPER HAVE ONE LEG WITH AN ADJUSTABLE DIVIDER POINT WHILE OTHER LEG IS BENT.
USES
- FOR MAKING LINES PARALLEL TO THE INSIDE & OUTSIDE EDGE.
- FOR FINDING THE CENTER OF ROUND BAR.
- CALIPER WITH BENT LEG ARE USED FOR DRAWING LINE PARALLEL ALONG ON INSIDE EDGE & ALSO OUTSIDE EDGE.
- IT CAN ALSO BE USED FOR SCRIBING LINES ALONG CURVED EDGDE.
PUNCH:-
- PUNCH ARE USED IN ORDER TO MAKE CERTAIN DIMENSIONAL FEATURE OF LAYOUT PERMANENT.
- PUNCH ARE MADE OF HIGH CARBON STEEL & POINT OF PUNCH ARRE HARDENED & TEMPERED.
- HOLD THE PUNCH AT 45 DEGREE ANGLE & PLACE THE POINT ON THE LAYOUT LINE.
- HRC OF PUNCH IS (55-59).
No comments:
Post a Comment