Q2. A Ball Screw mechanism is driven by stepping motor through direct couplingis been selected. The Drive mechanism technical data is given bellow:SteppingMotorCouplingPBDirectConnectionDesign Specifications:Total mass of the table and work: m=Frictional coefficient of sliding surfaces: µ=0.05Ball screw efficiency: n=0.9Internal frictional coefficient of pilot pressure nut: µo=0.310 kg.Ball screw shaft diameter: DB=0.5 cm.Total length of ball screw: LB=20 cm.Material of ball screw: Iron [density p=7.9x103 kg/cm³]Pitch of ball screw: PB=5 mm.Desired Resolution (feed per pulse): AL=0.01 mm/stepFeed:1=100 mmto=1.0 sec.Positioning period:Acceleration and deceleration time are 20% of positioning time.Motor rotor inertia: Jo=2.8x10-6 kgm²Calculate:The required resolution.Operating pulsesOperating pulse speedDraw the operating pattern.The load torque.1.2.3.4.5.6.The total inertia of the drive mechanism.The acceleration torque.The required torque.The root mean square of the torque7.8.9.

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Q2. A Ball Screw mechanism is driven by stepping motor through direct coupling is been selected. The Drive mechanism technical data is given bellow: m Stepping Motor Coupling P8 Direct Connection Design Specifications: Total mass of the table and work: m=10 kg. Frictional coefficient of sliding surfaces: µ=0.05 Ball screw efficiency: n=0.9 Internal frictional coefficient of pilot pressure nut: µo=0.3 Ball screw shaft diameter: DB=0.5 cm. Total length of ball screw: LB=20 cm. Material of ball screw: Iron [density p=7.9x10³ kg/cm³] Pitch of ball screw: PB=5 mm. Desired Resolution (feed per pulse): AL=0.01 mm/step Feed: 1=100 mm Positioning period: Acceleration and deceleration time are 20% of positioning time. Motor rotor inertia: Jo=2.8x10-6 kgm? to=1.0 sec. Calculate: The required resolution. Operating pulses Operating pulse speed 4. 1. 2. 3. Draw the operating pattern. The load torque. 5. 6. The total inertia of the drive mechanism. The acceleration torque. The required torque. The root mean square of the torque 7. 8. 9.

Q2. A Ball Screw mechanism is driven by stepping motor through direct coupling is been selected. The Drive mechanism technical data is given bellow: m Stepping Motor Coupling P8 Direct Connection Design Specifications: Total mass of the table and work: m=10 kg. Frictional coefficient of sliding surfaces: µ=0.05 Ball screw efficiency: n=0.9 Internal frictional coefficient of pilot pressure nut: µo=0.3 Ball screw shaft diameter: DB=0.5 cm. Total length of ball screw: LB=20 cm. Material of ball screw: Iron [density p=7.9x10³ kg/cm³] Pitch of ball screw: PB=5 mm. Desired Resolution (feed per pulse): AL=0.01 mm/step Feed: 1=100 mm Positioning period: Acceleration and deceleration time are 20% of positioning time. Motor rotor inertia: Jo=2.8x10-6 kgm? to=1.0 sec. Calculate: The required resolution. Operating pulses Operating pulse speed 4. 1. 2. 3. Draw the operating pattern. The load torque. 5. 6. The total inertia of the drive mechanism. The acceleration torque. The required torque. The root mean square of the torque 7. 8. 9.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Forced undamped vibrations

In mechanical engineering, vibration is expressed as the term that occurs due to an object's backward and forward movement about a point of equilibrium. Generally, there are three types of vibrations which are,

Question

Q2. A Ball Screw mechanism is driven by stepping motor through direct coupling
is been selected. The Drive mechanism technical data is given bellow:
Stepping
Motor
Coupling
PB
Direct
Connection
Design Specifications:
Total mass of the table and work: m=
Frictional coefficient of sliding surfaces: µ=0.05
Ball screw efficiency: n=0.9
Internal frictional coefficient of pilot pressure nut: µo=0.3
10 kg.
Ball screw shaft diameter: DB=0.5 cm.
Total length of ball screw: LB=20 cm.
Material of ball screw: Iron [density p=7.9x103 kg/cm³]
Pitch of ball screw: PB=5 mm.
Desired Resolution (feed per pulse): AL=0.01 mm/step
Feed:
1=100 mm
to=1.0 sec.
Positioning period:
Acceleration and deceleration time are 20% of positioning time.
Motor rotor inertia: Jo=2.8x10-6 kgm²
Calculate:
The required resolution.
Operating pulses
Operating pulse speed
Draw the operating pattern.
The load torque.
1.
2.
3.
4.
5.
6.
The total inertia of the drive mechanism.
The acceleration torque.
The required torque.
The root mean square of the torque
7.
8.
9.

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