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A SHAPER MACHINE
• Shaper is Machine tool which produces flat surfaces in horizontal,
vertical or inclined planes depending upon the orientation of the
cutting tool.
FEATURES
 In shaping machine the ram moves the cutting tool is
backward and forward direction in a straight line.
 Forward motion is called cutting stroke and backward motion
is called is called return stroke.
 no cutting during return stroke.
 it can also produce concave and convex surface.
PARTS OF A CRANK SHAPER
 Base
 Column
 Table
 Cross Rail
 Ram
 Tool head
SHAPER MECHANISM
OPERATION ON SHAPER:-
Basic operation on shaping machine can be classified as-
 Horizontal cutting
 vertical cutting
 Inclined cutting
 Grooved
 Slotted
 Stepped
TYPES OF SHAPER MACHINE:-
1.The Acc. to the ram driving mechanism
 Crank shaper
 Geared shaper
 Hydraulic shaper
2. Acc to the position & travel of ram
 Horizontal shaper
 Vertical shaper
3. Acc to the direction of cutting stroke
 Push Type shaper
 Draw type shaper
4.Acc to the design of the table
 Standard shaper
 Universal shaper
SPECIFICATION OF SHAPER:-
 Maximum ram stroke= 700mm
 Maximum tool overhang =840mm
 Max. distance b/w table surface and ram = 400mm
 Min. distance b/w table surface and ram = 80mm
 Dimension of table working surface = 700×450mm
 Max. horizontal travel of table=700mm
 Max. vertical travel of table= 320mm
 Motor power = 7kw
 horizontal feed = 0.25-5mm
 Overall dimension= 2780 ×1750×1780mm
SHAPING TIME ESTIMATION
L: length of stroke in meters
N: number of stroke per minutes
Distance moved by the shaper
tool per mnt. =LN
Cutting stroke/return
stroke=3/2
Cutting time/total
time=3/5
 Cutting speed=(5/3)LN
 total no. of stroke required to complete a job(St)=W/F
(where W=width of the workpiece)
L=length of stroke
Vo=cutting speed in m/min
Vr=return speed in m/min
f =feed per cycle in m.
 cutting stroke(to)=L/Vo
 return stroke(tr) =L/Vr
 number of cycles = W/f
 total time for one cycle(T)=to+tr
MACHINING TIME(Tm)=NO.OF CYCLE×TIME PER CYCLE
Tm=(W/f).T
THANK YOU

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Shaper machine

  • 1.
  • 2. A SHAPER MACHINE • Shaper is Machine tool which produces flat surfaces in horizontal, vertical or inclined planes depending upon the orientation of the cutting tool.
  • 3. FEATURES  In shaping machine the ram moves the cutting tool is backward and forward direction in a straight line.  Forward motion is called cutting stroke and backward motion is called is called return stroke.  no cutting during return stroke.  it can also produce concave and convex surface.
  • 4. PARTS OF A CRANK SHAPER  Base  Column  Table  Cross Rail  Ram  Tool head
  • 6. OPERATION ON SHAPER:- Basic operation on shaping machine can be classified as-  Horizontal cutting  vertical cutting  Inclined cutting  Grooved  Slotted  Stepped
  • 7. TYPES OF SHAPER MACHINE:- 1.The Acc. to the ram driving mechanism  Crank shaper  Geared shaper  Hydraulic shaper 2. Acc to the position & travel of ram  Horizontal shaper  Vertical shaper 3. Acc to the direction of cutting stroke  Push Type shaper  Draw type shaper 4.Acc to the design of the table  Standard shaper  Universal shaper
  • 8. SPECIFICATION OF SHAPER:-  Maximum ram stroke= 700mm  Maximum tool overhang =840mm  Max. distance b/w table surface and ram = 400mm  Min. distance b/w table surface and ram = 80mm  Dimension of table working surface = 700×450mm  Max. horizontal travel of table=700mm  Max. vertical travel of table= 320mm  Motor power = 7kw  horizontal feed = 0.25-5mm  Overall dimension= 2780 ×1750×1780mm
  • 9. SHAPING TIME ESTIMATION L: length of stroke in meters N: number of stroke per minutes Distance moved by the shaper tool per mnt. =LN Cutting stroke/return stroke=3/2 Cutting time/total time=3/5
  • 10.  Cutting speed=(5/3)LN  total no. of stroke required to complete a job(St)=W/F (where W=width of the workpiece) L=length of stroke Vo=cutting speed in m/min Vr=return speed in m/min f =feed per cycle in m.  cutting stroke(to)=L/Vo  return stroke(tr) =L/Vr  number of cycles = W/f  total time for one cycle(T)=to+tr MACHINING TIME(Tm)=NO.OF CYCLE×TIME PER CYCLE Tm=(W/f).T