Panasonic AC Servo MINAS E Series IMC80A User Manual download pdf (Page 25)

179

[Reference]

Reference

= 5

0.005 x 10000 x 1

= 0.25

0.0005 x 10000 x 1

D =

... Formula (3)

... Formula (5)

∆M x E x R

Then, distance per command pulse (mm) is as follows:

(position resolution)

... Formula (6)

D =

F x 60

N x E

Pr46 = 10000

Pr4A = 0

Pr4B = 2000

Pr46 = 10000

Pr4A = 0

Pr4B = 10000

D =

Pr4B

Pr46 x 2

Motor rotation speed (r/min)

N = F x x 60

∆M = x x L = x x 20 = 0.002mm

10000

D = = 1

500000 x 60

3000 x 10000

D =

10000

10000 x 2

Lead of ball screw L = 10mm

Reduction ratio R=1

Position resolution

∆M = 0.005mm

For the encoder of 2500 P/r

(E=10000P/r)

Lead of ball screw L = 20mm

Reduction ratio R=1

Position resolution

∆M = 0.005mm

For the encoder of 2500 P/r

(E=10000P/r)

Lead of ball screw L= 20mm

Reduction ratio R=1

Position resolution

∆M = 0.005mm

Line driver pulse input

500 kpps

For the encoder of 2500 P/r

Pr4A

D =

Pr4B

Pr46 x 2

Pr4A

2000

10000 x 2

D =

Example

N = 500000 x x 60

... Formula (5)

... Formula (3)

0.005 x 10000 x 1

D =

= 25

10000

2.5

= 7500

To make motor rotation speed

3000 r/min under the same

condition as above, with lead of

ball screw of L = 20 mm and the

line driver pulse input of 500 kpps.

Command dividing

multiplier ratio

Determine

parameters Pr46,

Pr4A and Pr4B so

that D=5. Consider

the following:

D<1 is not

appropriate to

determination of

the accuracy.

D = 1 is a condition

of minimum

resolution.

Command dividing

multiplier ratio

Thus, motor specification is not met.

Determine

parameters Pr46,

Pr4A and Pr4B so

that D=1. Consider

the following:

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Panasonic AC Servo MINAS E Series IMC80A User Manual Page 25

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