13 automatic corner override – Yaskawa J50M Instructions User Manual

Page 133

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(19)

(20)

(21)

(22)

(23)

H o w e v e r ,

#6472, maximum spindle speed at

the gear using solid tap, is the upper limit

(to be clamped).

Creep Speed Command for Spindle Indexing

#6463

Range : 1 to 32767

Unit 1 = 500 pulses/s
Standard setting : 10

However, #6472,

maximum spindle speed at

the gear using solid tap, is upper limit (to
be clamped).

Spindle
Spindle

#6464

Stop Confirmation
I n d e x i n g

Range : 0 to 255

= 8 ms

Standard setting :

Timer for

Original Position for Spindle Indexing

#6465

Range : 0 to

4095

Unit 1 = 1 pulse
Standard setting : 0

Revolving Speed to Confirm Spindle Stop

#6473

I t s e t s
spindle
loop of
spindle

Range : 0 to

30

Unit 1 = 1 rein-l
Standard setting : 30

t h e r e v o l v i n g s p e e d t o c o n f i r m

stop at the time of forming position
spindle with G93.

Position loop of

is formed after G93 is specified and

the spindle speed decreases to a

-

value lower

than this parameter.

Set the value lower

than the parameter to confirm zero speed at
the spindle drive side.

Return speed in solid tap

#6470

Range O to 255
Unit 1 = O. 1 times

When O is specified, the magnification is 1
time.

Items (18) to (23) cover the parameter about spindle
indexing at the time of

G93.

SLPC input

I

I

Spindle

speed

command

I

I

#6462

I

I

C

phase

#6464 - -

Spindle indexing and parameter

Note :

In case of setting original position O, it stops on C phase
after one revolution at creep speed after detecting C
phase.

2.13 AUTOMATIC CORNER OVERRIDE

The load at the corner increases when machining
the inner surface.

In conventional machines, the cutting speed

was reduced by the override switch, or the speed
was commanded by dividing the corner rounding
block in several blocks.

Corner override is a function where the

override automatically changes in a single-block

command.

(1)

(a)

Command format

Non-modal G code G106

used.

G 1 0 6 G 0 1 X . . . Y . . . I . . .

(or J... )

F . . . .

G106 :

Non-modal G code

I

: Cutting margin (X-axis direction)

J

: Cutting margin (Y-axis direction)

CUTTING MARGIN

I

( b )

(2)

F i g .

2.80

Override command

:

step F feedrate override %

(1 to

100)

# 6 2 1 7 :

2nd step F feedrate override %

(1 to

100)

When the cutting margin is larger than the tool
radius, #6216 is always calculated as 100%.

(Refer to the Note. )

Operation

This function automatically calculates the position in
the corner where the load on the tool starts to
change, from the tool radius and cutting margin.
The position where the load is applied differs
according to the size of the tool radius and cutting

margin.

This is why the following be considered.

(a) When the cutting margin is larger than the tool

radius

(b) When the tool radius is larger than or equal to

the cutting margin

(c) When the tool radius is larger than the cutting

margin

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