9/10/2014 10 Shaper & Planer Hydraulic shaper mechanism 1. Oil reservoir 2. Oil pump 3. Throttle valve 4. Ram 5. Cylinder 6. Piston rod 7. Piston 8. Reversing dog 9. Reversing lever 10.Reversing lever pivot 11.Relief valve 12.Valves Shaper & Planer Automatic feed mechanism 1. Knob 2. Pin 3. Helical spring 4. Pawl 5. Ratchet wheel 6. Rocker arm fulcrum 7. Rocker arm connecting pin 8. Driving disc 9. Crank pin
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9/10/2014 11 Shaper & Planer Common shaping/planing geometry FIGURE: Types of surfaces commonly machined by shaping and planing. Shaper & Planer Planing Machines Planing is used for large workpieces too big for shapers Planing machines have largely been replaced by planing mills In planing, large workpieces and their support tables are slowly moved against the tool head.
9/10/2014 12 Shaper & Planer Schematic of a planer FIGURE: Double-housing planer with multiple tool heads and large reciprocating tableShaper & Planer Rack and pinion drive Driven by a worm and worm wheel coupled with the motor