Graco G-3S Bedienungsanleitung

3A5591D

Instructions

3D Gun

Swiveling applicator for robotic sealing applications. For professional use only.

Not approved for use in European explosive atmosphere locations.

See page 2 for model information.

Important Safety Instructions

Read all warnings and instructions in this

manual before using this equipment.

Save these instructions.

23A5591D

Contents

Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Component Identification . . . . . . . . . . . . . . . . . . . . 6

Main Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . 6

Central Body . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Swivel Chamber . . . . . . . . . . . . . . . . . . . . . . . . . 8

Connection Housing . . . . . . . . . . . . . . . . . . . . . . 9

Connection Housing (cont.) . . . . . . . . . . . . . . . 10

Nozzle Head Assembly . . . . . . . . . . . . . . . . . . . 11

Cylinder Assembly . . . . . . . . . . . . . . . . . . . . . . 12

Solenoid Valves . . . . . . . . . . . . . . . . . . . . . . . . 13

Mounting Flange . . . . . . . . . . . . . . . . . . . . . . . . 13

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Typical Applicator Installation . . . . . . . . . . . . . . 14

Applicator Removal . . . . . . . . . . . . . . . . . . . . . . 16

Disassembly and Reassembly of Applicator . . . 17

Applicator Disassembly . . . . . . . . . . . . . . . . . . . 17

Applicator Assembly . . . . . . . . . . . . . . . . . . . . . 21

Parts and Wire Diagram . . . . . . . . . . . . . . . . . . . . 25

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Preventative Maintenance . . . . . . . . . . . . . . . . . 25

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Technical Specifications . . . . . . . . . . . . . . . . . . . . 27

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 28

Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 28

Models

Related Manuals

Part No. Model Name Description

Applied Material

Quantity Sensor Types

Wetted Parts

Material

17V558 G-3S Dispenser, 3D 1 N/A Aluminum Alloy

17V559 G-3ST Dispenser, 3D 1 Temperature Aluminum Alloy

17V560 G-3SP Dispenser, 3D 1 Pressure Aluminum Alloy

17V561 G-3STP Dispenser, 3D 1 Temperature

and Pressure

Aluminum Alloy

17V562 G-3D Dispenser, 3D 2 N/A Aluminum Alloy

17V563 G-3DT Dispenser, 3D 2 Dual Tempera-

ture

Aluminum Alloy

17V564 G-3SSS Dispenser, 3D 1 (water based) N/A SST

17V565 G-3SSS Dispenser, 3D 1 (water based) Temperature

and Pressure

SST

Manuals

3A5641 3D Gun, One Material Parts

3A5642

3D Gun, One Material, with Tem-

perature and Pressure Sensors

Parts

3A5643 3D Gun, Two Material Parts

3A6164 3D Gun, Stainless Steel, One

Material Parts

Warnings

3A5591D 3

Warnings

The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-

tion point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When

these symbols appear in the body of this manual or on warning labels, refer back to these Warnings. Product-specific

hazard symbols and warnings not covered in this section may appear throughout the body of this manual where

applicable.

WARNING

SKIN INJECTION HAZARD

High-pressure fluid from dispensing device, hose leaks, or ruptured components will pierce skin. This

may look like just a cut, but it is a serious injury that can result in amputation. Get immediate surgical

treatment.

• Do not point dispensing device at anyone or at any part of the body.

• Do not put your hand over the fluid outlet.

• Do not stop or deflect leaks with your hand, body, glove, or rag.

• Relieve pressure when you stop dispensing and before cleaning, checking, or servicing equipment.

• Tighten all fluid connections before operating the equipment.

• Check hoses and couplings daily. Replace worn or damaged parts immediately.

EQUIPMENT MISUSE HAZARD

Misuse can cause death or serious injury.

• Do not operate the unit when fatigued or under the influence of drugs or alcohol.

• Do not exceed the maximum working pressure or temperature rating of the lowest rated system com-

ponent. See Technical Specifications in all equipment manuals.

• Use fluids and solvents that are compatible with equipment wetted parts. See Technical Specifica-

tions in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete infor-

mation about your material, request Safety Data Sheets (SDSs) from distributor or retailer.

• Turn off all equipment and relieve pressure when equipment is not in use.

• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine manu-

facturer’s replacement parts only.

• Do not alter or modify equipment. Alterations or modifications may void agency approvals and create

safety hazards.

• Make sure all equipment is rated and approved for the environment in which you are using it.

• Use equipment only for its intended purpose. Call you distributor for information.

• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.

• Do not kink or over bend hoses or use hoses to pull equipment.

• Keep children and animals away from work area.

• Comply with all applicable safety regulations.

Warnings

43A5591D

PRESSURIZED ALUMINUM PARTS HAZARD

Use of fluids that are incompatible with aluminum in pressurized equipment can cause serious chemical

reaction and equipment rupture. Failure to follow this warning can result in death, serious injury, or prop-

erty damage.

• Do not use 1,1,1-trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or flu-

ids containing such solvents.

• Do not use chlorine bleach.

• Many other fluids may contain chemicals that can react with aluminum. Contact your material supplier

for compatibility.

BURN HAZARD

Equipment surfaces and fluid that is heated can become very hot during operation. To avoid severe

burns:

• Do not touch hot fluid or equipment.

PERSONAL PROTECTIVE EQUIPMENT

Wear appropriate protective equipment when in the work area to help prevent serious injury, including

eye injury, hearing loss, inhalation of toxic fumes, and burns. Protective equipment includes but is not

limited to:

• Protective eyewear, and hearing protection.

• Respirators, protective clothing, and gloves as recommended by the fluid and solvent manufacturer.

WARNING

Overview

3A5591D 5

Overview

Description

The Graco 3D gun is a lightweight, high-pressure

multi-nozzle applicator designed for robotic applications

with high precision and quality demands. The applicator

is equipped with a swivel for optimum robot flexibility

and has three individually operated nozzles. The swivel

makes it possible for the robot to rotate the nozzle head

independently of the cables and hoses supplying the

applicator.

The nozzle head can be specified for various nozzle

angles and slot directions.

Due to its flexibility, the 3D gun is designed for applica-

tions like: Underbody coating (UBC), Underbody Seal-

ing (UBS), Liquid applied sound deadening (LASD) and

seam sealing.

The Graco 3D gun is designed to handle most types of

single component adhesives and sealants with medium

to high viscosity.

The solenoid valves operating the pistons for the mate-

rial valves are mounted externally for easy mainte-

nance.

Material circulation is provided through the entire length

of the applicator for material thixotropic breakdown and

temperature control.

If required, the following optional features can be added

to the basic configuration of the applicator:

- One PT 100 temperature sensor in the material

inlet, measuring the inlet material temperature.

- The material pressure can be monitored by a

pressure transducer mounted in the material

return channel.

- The central body can be insulated for better

temperature control.

Component Identification

63A5591D

Component Identification

Main Assemblies

Key:

A Central body assembly

B Swivel chamber

C Connection housing

D Nozzle head assembly

E Cylinder assembly

F Material valve needle

G Lock ring

FIG. 1

Component Identification

3A5591D 7

Central Body

Key:

H Central body (with lance)

J Packing set material inlet

K Packing set material return

LGasket

M Locating pins

N Valve needle guide

O Valve needle packing set

The central body connects material, air and electrical

signals from the solenoid valves. Two parallel channels

supply material up to the nozzle head. A third channel is

provided for the material return flow back to the swivel

housing.

A needle guide (N) is located at the front end of the cen-

tral body (H) to align the needle valves with the valve

seats in the nozzle head. The nozzle head gasket (L)

seals between the material supply and the nozzle head

(D). The two nozzle head locating pins (M) ensure that

the nozzle head is always mounted in the correct posi-

tion. The valve needles packing set (O) seals off the

valve needles from material and air pressure.

Channel arrangements in the central body:

Blue: Product in

Red: Return (if unit is equipped with circulation)

Green: Signals from the solenoid valves

FIG. 2

FIG. 3: Product Flow

Air Signals

Product In

Return

Product In

Component Identification

83A5591D

Swivel Chamber

Key:

P Retaining ring

Q Lock ring

The swivel chamber supplies the material from the

connection housing to the central body and the cylinder

unit. External solenoid valves supply compressed air to

the cylinder unit.

The material supply includes normally two channels,

one for the material supply, the other for the material

return. The return channel is in the front end of the

swivel housing. The two channels are separated by a

non-sealing distance ring.

When using the applicator for two different materials,

the supply and return channels are sealed off by using a

seal ring between the two channels.

If the applicator is used in an application without mate-

rial circulation, the two material channels are joined to

one, supplying material through all three channels in the

central body.

The compressed air is supplied through the channel at

the rear end of the swivel chamber.

At the front end of the swivel chamber a bearing

ensures that the swivel chamber is always in a centered

position on the central body.

The distance ring in front of the leakage hole is located

between the channels for material and air.

All sealings and distance rings are locked in place by

the retaining ring at the rear end of the swivel chamber.

The lock-ring in front of the swivel chamber keeps the

swivel chamber in position on the central body.

FIG. 4: Swivel Chamber

Swivel for two different materials

Swivel for one material

Component Identification

3A5591D 9

Connection Housing

Key:

AA Connection piece, upper

AB Screw ISO 4762 M5 x 20

AC Connection piece, lower

AD Left side cover

AE Screw ISO 7046-1 M3 x 6 Z

AF Pressure transducer (with amplifier)

AG O-ring 10 x 2, 2

AH Connection cable, Solenoid valve

AJ Gasket 1/8”

AK PT 100 sensor (high pressure)

AL Right side cover

AM Female connector 18 pin CPL

AN Screw ISO 4762 M5 x 30

AP Gasket

AQ Nipple

AR Connection flange

AS Upper cover

AT Connector T3

AV Material return

AW Material supply

The connection housing is designed as the common

platform for all external connections to the applicator.

The connections for material supply (AW) and return

(AV) are placed in the upper connection piece.

The connections are internal 3/8” BSP. One or two con-

nectors for electrical signals are mounted in the bracket

attached to the base module.

The base module may also include a PT100 tempera-

ture sensor (AK) in the material inlet and a pressure

transducer (AF) in the material return channel. When

spraying there is no return flow, the pressure then in the

return line is equal to the pressure just before the nozzle

head.

These sensors and the solenoid valves are connected

to terminals on the pin connector (AM). Note that differ-

ent pin connectors exist depending on applicator ver-

sions i.e. 5 or 18 pins.

FIG. 5: Connection Housing

AJ AK

AN AP

Component Identification

10 3A5591D

Connection Housing (cont.)

Mounted on the connection housing is the swivel locking

bracket (two versions available) that locks the connec-

tion housing and the swivel chamber to a fixed point

between axis 5 and 6 on the robot. This design makes

sure that the connections follow the motion of axis 5.

Only the central body follows the motion of axis 6.

NOTE: See your Repair-Parts manual for more informa-

tion on which swivel locking bracket should be used with

your applicator model. Graco provides an ABB robot

arm swivel locking bracket solution. Any other robot arm

requires a swivel locking bracket specific to the robot

model being used.

FIG. 6: Swivel Locker

Swivel Locking Bracket Swivel Locking Bracket with frame

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