APR APR-HHA Скачать руководство пользователя страница 5 | Manualshive

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APR APR-HHA Скачать руководство пользователя страница 5

CHECK/ADJUST

NOZZLE

CO

‐

PLANARITY

WITH

BOARD

LEVEL

Turn

on

machine

and

open

software

The

following

procedure

is

for

making

sure

that

the

reflow

nozzle

edges

are

parallel

or

co

‐

planar

to

pcba

or

board

level

23. Attach

a

reflow

nozzle

to

the

APR

nozzle

ring.

The

preferred

nozzle

size

is

a

large

size,

NZA

‐

400

‐

400

or

NZA

‐

450

‐

450

for

example.

24. If

available,

install

an

unpopulated

pcba

into

the

board

holder.

If

necessary,

reverse

mount

the

bottom

plate

of

the

optical

kit

so

bottom

faces

up.

All

that

is

needed

is

a

flat

surface

at

pcba

level

to

compare

with

nozzle

edge.

25. Verify

that

the

board

is

level

in

board

holder

26. Remove

any

VNZ

pipette

from

the

vacuum

tube,

it

will

not

be

necessary

for

this

procedure.

27. Bring

the

head

downward

in

FAST

speed

until

head

stops.

Switch

to

COARSE

speed

and

bring

down

reflow

nozzle

edge

to

about

0.25”

(10.0mm)

above

board

level.

Switch

to

FINE

speed

and

adjust

to

5

‐

10

mil

or

as

needed.

Bring

the

head

down

until

the

reflow

nozzle

edges

are

just

above

board

level.

28. Examine

all

4

sides

of

the

reflow

nozzle

edges

with

respect

to

board

level.

All

4

sides

should

be

parallel

to

board

level.

29.

If

nozzle

edges

are

not

parallel

or

co

‐

planar,

adjust

the

3

spring

‐

loaded

screws

holding

the

heater

head

assembly

to

the

head

casting.

For

side

‐

to

‐

side

(pivot)

adjustment

concentrate

on

2

rear

screws.

For

front

‐

to

‐

rear

(pivot)

adjustment

concentrate

on

front

screw.

Final

adjustment

may

require

a

combination

of

the

3

adjust

screws.

NOTE:

Ensure

that

3

screws

for

holding

heater

head

assembly

are

not

too

loose

so

the

heater

head

is

hanging

loosely

off

the

head

casting.

If

screws

get

too

loose,

tighten

up

all

3

screws

to

get

a

new

starting

point

and

start

co

‐

planarity

adjustment

over.

Nozzle lever

Nozzle ring

Adjust set screw inside to
tighten nozzle ring

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Содержание APR-HHA

Страница 1: ...or vacuum cups from heater head vacuum tube 3 Remove 6x rear screws head face cover disconnect LED 2 pin wire harness and remove cover 4 As shown manually hold air cylinder lever in down position to allow movement of the vacuum tube 5 Place finger at bottom of vacuum tube and gently lift upward to topmost up position 6 Release air cylinder lever to lock tube in up position this will help protect t...

Страница 2: ...t position it will be held in place by the 2x airflow tubes in rear 9 While holding the HHA head remove both blue banded and white banded airflow tubes from rear of head and slowly drop HHA head below vacuum tube end to remove completely IMPORTANT WHLE REMOVING HEAD BE CAREFUL NOT TO BEND VACUUM TUBE 4 pin RTD conn 3 pin POWER conn 3x access holes for HHA mount screws 3x access HHA mounting screws...

Страница 3: ...g head in place carefully install 2x airflow tubes to rear pipes IMPORTANT BLUE BANDED TUBE installed at TOP WHITE BANDED TUBE installed at BOTTOM If installing these flow tubes in error it will generate an overtemp error when running heater head 15 Carefully move head upward install 3x mounting screws through bottom holes and attach the head to the casting bottom NOTE 3 32 hex allen key with long...

Страница 4: ...hole on nozzle ring 21 Tighten nozzle lever with a slight turn using pliers 22 To adjust rotation travel pull off the lever boot and use 035 hex allen key to adjust small set screw inside lever handle when rotating the nozzle should have some slight drag and not be too loose Use small pointed instrument like pick to carefully squeeze together sides of female U shaped connector in order to make goo...

Страница 5: ...ed and bring down reflow nozzle edge to about 0 25 10 0mm above board level Switch to FINE speed and adjust to 5 10 mil or as needed Bring the head down until the reflow nozzle edges are just above board level 28 Examine all 4 sides of the reflow nozzle edges with respect to board level All 4 sides should be parallel to board level 29 If nozzle edges are not parallel or co planar adjust the 3 spri...

Страница 6: ...ftware manual mode put the vacuum tube in FREE Use a finger to lift up vacuum pipette so that it is at same approximate level as bottom nozzle edge then put the vacuum tube in LOCK old soft Down to keep pipe in place 33 Pull out the camera In COARSE mode lower the head to where the reflow nozzle bottom edge is about 1 25 4mm above the camera Be careful not to hit the camera with the nozzle or pipe...

Страница 7: ...te to accommodate each side of a full nozzle rotation 4 edges 38 After centering the vacuum pipette to the nozzle box tighten the 4 screws on the upper plate and re verify centering NOTE If the 3 spring loaded heater head screws described in Section 3 are adjusted off and nozzle is hanging too much at an angle it may not be possible to center the pipette in the box this is why it important to perf...

Страница 8: ...40 Check vacuum tube FREE function in manual mode if head is misaligned the tube may contact and scrape at the bottom grille hole edge ...

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