04-10-2012, 04:51 PM
SHAPING PLANING and SLOTTTING DEVICES
INTRODUCTION
THESE ARE USED TO MAKE SMOOTH FLAT SURFACES.THE SURFACES CAN BE OF HORIZONTAL, VERTICAL OR INCLINED.NOW MODERN SHAPERS ARE AVAILABLE TO MAKE COUNTORED SURFACES ALSO.
MAJOR TYPES OF SHAPERS
BASED ON
1. MECHANISM-CRANK TYPE,GEARED TYPE,HYDRAULIC TYPE
2. POSITION OF THE RAM-VERTICAL TYPE,HORIZONTAL TYPE,TRAVELING TYPE
3. TABLE DESIGN-STANDARD TYPE,UNIVERSAL TYPE
4. CUTTING STROKE-PUSH TYPPE,DRAW TYPE
PRINCIPLE PARTS OF STANDARD SHAPER
1. BASE
2. COLUMN
3. CROSSRAIL
4. SADDLE
5. TABLE
6. RAM
7. TOOLHEAD
SHAPER MECHANISMS
1. CRANK AND SLOTTED LEVER MECHANISM
2. WHITWORTH QUICKRETURN MECHANISM
3. HYDRAULIC SHAPER MECHANISM
4. FEED MECHANISMS
WORK HOLDING DEVICES
1. SHAPER VISES
2. PARALLELS
3. HOLD DOWNS
SHAPER OPERATIONS
1. MACHINING HORIONTAL SURFACES
2. MACHINING VERTICAL SURFACES
3. MACHINING ANGULAR SURFACES
4. CUTTING SLOTS,GROOVES AND KEYWAYS
5. MACHINNG IRREGULAR SURFACES
6. MACHINING SPLINES OR CUTTING GEARS