3D Systems Viper Pro SLA User manual

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Table of Contents

User’s Manual

Thank you for purchasing the Viper ™ Pro SLA ® system. Before using this equipment, please read this guide carefully to

enjoy optimum performance and longer service life.

Introduction

What’s Inside?

Viper Pro SLA System’s Features - RDM

Other Useful Documents

General Safety

Laser Safety

Chemical Safety

Operations

Software Overview

View Port and View Object

Menu Bar

Tool Bar

Manual Operations

Scanner

History

Machine Window

Build Window

Recoater System

Environmental Conditions

Troubleshooting

Customer Support

Service

Maintenance

System Block Diagram

Electronic Chassis Diagram

Legal Notices

Glossary

Specifications

Index

Systems, Inc. and 3DPrint, 3DManage, Lightyear, ProCure, Viper, and Zephyr are trademarks of 3D Systems, Inc.

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Introduction to the Viper™ Pro SLA® System

The Viper™ Pro SLA® system is a 3-D Production Solid Modeler that generates plastic models or

prototype parts from computer data. The system typically builds parts by processing a three-

dimensional CAD file. Software translates the CAD data to represent cross sections, or slices.

The Viper Pro SLA system creates models by profiling each slice as a layer on the surface of a

resin delivery module (RDM) that contains resin. Layer thickness can range (see the specifications

for details).

A laser beam solidifies the layer of resin. The vertical elevator system lowers the newly formed

slice beneath the surface of the resin at a distance determined prior to part building. A recoating

system ensures consistent layer thickness. Layers build up until all the data for the model is

processed. Then the part is drained and removed from the Viper Pro SLA system for post-

processing. The Viper Pro SLA system consists of an assembly of numerous discrete sub-systems

that are integrated to perform 3-D stereolithographic model generation. The subsystems are

combined into a single physical unit.

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What’s Inside?

This manual includes the following topics:

Latest Features

“Viper Pro SLA System’s Features” describes the latest features incorporated into the Viper Pro SLA

system, such as the resin delivery module (RDM), Intelligent Resin Container, Recoater, and

Scanning System. These features are improvements over previous SL models.

Many Other Useful Documents

In “Other Useful Documents” you’ll find a listing of many other documents that may be

helpful to you as you use the Viper Pro SLA system, such as Viper Pro SLA Client Online Help,

the Facility Requirements Guide, and Material Safety Data Sheets.

Operations

“Operations” describes your new Viper Pro SLA system. Pictures of the Viper Pro

SLA system’s components will help you understand the function of the various parts.

Software

“Software Overview” gives you a detailed overview of the software that operates your

Viper Pro SLA system.

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Recoater System

“Recoater System” describes how to perform different operations with the resin delivery module

(RDM).

Safety

“General Safety”, “Laser Safety”, “Chemical Safety”, and “Environmental Conditions” describe

precautions that you should take when using your new Viper Pro SLA system.

Service and Troubleshooting

In “Troubleshooting” and “Service”, you will find the troubleshooting guide and other basic

information concerning service and maintenance for your Viper Pro SLA system.

Glossary

The “Glossary” defines terms that describe the Viper Pro SLA system and its operations.

After the glossary, you will find the “Technical Specifications” for your Viper Pro SLA system.

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Viper Pro SLA System’s Features

Resin Delivery Module

The Viper Pro SLA system’s time reduction for changing the resin simplifies the part-building

process. Not only can you now change resin in less than ten minutes, you can also swap the resin

delivery module (RDM) easily, with no tools required. All components that come into contact with

resin in the RDM are moved with the module itself. You can remove the RDM easily and quickly and

replace it with another active RDM, without having to clean any wet resin surface. This new feature

significantly reduces resin swap time. In addition, you can warm up an RDM offline, enabling you to

swap one resin delivery module for another that is ready to use.

Gloves, however, may be required to detach the Zephyr ™ recoater blade. This new handling

method ensures that all parts that come into contact with resin under normal operation are a part

of the active RDM.

The RDM enables the user, using a computer monitor, to strain the debris that inevitably

accumulates in the machine so that it can be removed in a similar manner to the removal of build

platforms. It also removes the higher viscosity resin that settles on the bottom of the delivery

module, recirculates the resin to help prevent gel formation, and stirs the resin to achieve uniform

viscosity.

Table 1, shown on the next page, lists the required build envelopes that represent all RDM and

platform elevator configurations that the Viper Pro SLA system supports. Each RDM and platform

elevator design minimizes the amount of resin that the Viper Pro SLA system requires.

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Table 1: RDM Configurations

Name Maximum Build Volume Fill Capacity

RDM 650M 650 x 350 x 300 mm (25.6 x 13.7 x 11.8 in) 148 liters (39.1 U.S. gal)

RDM 750SH 650 x 750 x 50 mm (25.6 x 29.5 x 1.97 in) 95 liters (25.1 U.S. gal)

RDM 750H 650 x 750 x 275 mm (25.6 x 29.5 x 10.8 in) 272 liters (71.86 U.S. gal)

RDM 750F 650 x 750 x 550 mm (25.6 x 29.5 x 21.65 in) 414 liters (109.3 U.S. gal)

There are two operating modes for the RDM:

Stand-by Mode

In this mode, the RDM is offline and operates independently from the Viper Pro SLA system,

permitting offline resin and module temperature stabilization when it is connected with line power

to the power umbilical. The resin can warm effectively in this mode, enabling the user to build a

part while warming resin for future use.

Build Mode

In this mode, the RDM is online and connects to the Viper Pro SLA system for power and I/O for

full interoperability. The Viper Pro SLA system monitors and controls the resin temperature while

connected with the active RDM. When the RDM is online, it can pump and recirculate resin.

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Single Resin Delivery Module

Dual Resin Delivery Module

Extra Large Resin Delivery Module

Intelligent Resin Container

The Viper Pro SLA system is capable of building with one resin delivery module while the second

delivery module is inactive. A system with two resin delivery modules that utilizes only one can be

upgraded to a dual resin delivery module.

The Viper Pro SLA system can also build parts in two separate build zones, Build Zone A and

Build Zone B. Each zone is independently capable of supporting its own active resin delivery

module and motion axis control, enabling controlled builds in both zones simultaneously, with

each build using different resins if desired.

The Viper Pro SLA system can operate so that two build zones combine into a single larger build

zone to create larger parts that make up a single contiguous envelope. The extra large resin

delivery module accommodates a build zone of 1500mm x 750mm x 550mm.

Each container in the Viper Pro SLA system holds an electronic storage device that has

information about the resin that is in the bottle and the RDM. This information enables the Viper

Pro SLA system to make sure that the user does not use the wrong material, use material

incorrectly, or use an empty or expired container.

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Recoating Module

IPM

The recoater system has a Zephyr ™ recoater blade with four axes of motion: The y-axis moves

the recoater blade front to rear; the z-axis moves it up and down; the theta y-axis tips or rotates the

blade about the center; the x-axis motion directs sensor motion on the blade. The recoater

system’s liquid level sensor maps the resin surface by moving around the resin surface. The

sensor calibrates the position of the blade so that the blade moves perfectly parallel to the resin

surface, enabling the build to be accurate and precise. The recoating system uses the motion axes

that are connected to the blade, enabling the system to self-calibrate and permitting a customized

setting of the blade gap, or distance from the blade’s bottom to the resin surface, for different

resins.

The Viper Pro SLA system’s IPM (Image Projection Module), directs the laser beam using

directional, focusing optics, and scanning mirrors, along with an AOM (Acoustical Optical Modulator)

to regulate the output power. This process will accurately reproduce the input CAD data one layer

at a time.

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Other UsefulDocuments

The following documents will help you to achieve maximum proficiency with your Viper Pro

SLA system.

3DPrintTM Online Help

Run the Viper Pro SLA system software, then select Help > Help Topics in the software window

or the 3DPrint Preview window to launch Viper Pro SLA system client online help. The online

Help provides detailed instructions on how to use the Viper Pro SLA system software to set up,

run, and manage print jobs.

Viper Pro SLA System Facility Requirements Guide

To see what preparation you must do at your site prior to installing the Viper Pro SLA system, read

the Facility Requirements Guide.

For access,

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Viper Pro SLA System Material Safety Data Sheets (MSDSs)

Make sure that everyone in your facility who handles Viper Pro SLA system materials reads these

MSDSs and follows the safety guidelines in them. Every resin shipment includes MSDS paper

copies. You can also find an electronic copy of MSDSs on our Web site, Material Datasheets .

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