Charmilles E110-D10 - Electrical centering procedure; 12.8 DEPTH STOP SETUP

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-

53

-

Electrical

centering

For

accurate

location

of

the

workpiece

relation

to

the

electrode,

proceed

as

fol

with

the

edge

finder

device

1.

Align

the

electrode

(refer

to

paragraph

12

-

15

"ALIGN-

MENTS").

2.

Move

the

X

and

Y

table

in

such

manner

as

to

bring

the

workpiece

completely

out

of

the

alignment

to

the

electrode.

3.

Lower

the

electrode

until

its

tip

is

lower

than

the

top

of

the

workpiece.

4.

Move

the

X

andY

table

along

the

longitudinal

axis

until

the

workpiece

touches

the

electrode

on

the

plane

or

at

the

reference

point

necessarily

chosen

on

the

left-hand

side

of

the

workpiece.

5.

Set

the

dial

the

hand-wheel

corresponding

to

this

coordinate

to

zero.

Repeat

operation

3,

to

check

that

the

zero

setting

on

the

dial

has

been

set

correctly.

6.

Move

the

longitudinal

slide

in

such

manner

as

to

move

the

workpiece

away

from

the

electrode.

7.

se

the

electrode.

8.

Move

the

slide

until

the

dial

of

the

hand-wheel

again

indicates

zero

setting.

9.

Then

move

further

the

slide

by

the

required

distance

"D".

This

operation

should

take

into

account

the

"sparking

distance".

10.

Lock

the

lead

screw

and

the

slide.

11.

Repeat

the

same

operations

along

the

other

coordinate

and

in

such

manner

that

the

workpiece

enters

into

contact

with

the

electrode

on

the

plane

or

at

the

reference

point

necessari

chosen

on

the

rear

part

of

the

work-

piece.

After

this

operation,

the

workpiece

will

be

per-

fectly

centered

in

relation

to

the

electrode.

12.8

DEPTH STOP

By

means

of

the

electrical

edge

finder

bring

the

electrode

to

the

initial

machining

position.

Micrometric

stop

(fig.

13

a)

Zero

setting

Adjust

the

micrometric

stop

(141)

to

zero.

Lower

the

micrometric

stop

close

to

the

microcontact

(143)

.

Lower

the

stop

still

further

by

means

of

the

fine

adjustment

screw

(142)

until

the

microcontact

operates

It

is

suggested,

as

a

safety

measure,

to

check

the

operation

the

microcontact

when

the

stop

is

set

to

zero;.

this,

unscrew

the

stop

away

from

zero

and

then

repeat

the

adjustment

to

obtain

operation

of

the

rnicrocontact.

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