In a shaper the length of stroke is increased by

Increasing the centre distance of bull gear and crank pin

Decreasing the centre distance of bull gear and crank pin

Increasing the length of the arm

Decreasing the length of the slot in the slotted lever

In order to have interference fit it is essential that the lower limit of the shaft should be

Greater than the upper limit of the hole

Lesser than the upper limit of the hole

Greater than the lower limit of the hole

Lesser than the lower limit of the hole

Below its recrystallisation temperature

At its recrystallisation temperature

Above its recrystallisation temperature

At two thirds of the melting temperature of the metal

(4≈ì√Ñ/6)¬¨‚â§ ‚àö√≥ (r/l)‚Äö√Ö¬•

(4≈ì√Ñ6)¬¨‚â• ‚àö√≥ (rl)‚Äö√Ö‚àÇ

(4≈ì√Ñ6) ‚àö√≥ (rl)¬¨‚â§

(4≈ì√Ñ6)¬¨‚â§ ‚àö√≥ (rl)¬¨‚â•

Cutting forces and power consumption

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