ShopBot PRS Manual de usuario

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ShopBot PRS Gantry Tool

Table Assembly Guide

Intro

This guide will walk you through the mechanical assembly of your ShopBot PRS Gantry tool. It does

not include instructions for wiring, software training, troubleshooting, or maintenance. Additional

documentation is available at www.shopbotdocs.com.

pg.

Table of Contents

Intro....................................................................................................................................................................... 1

Section 1: Before you start ..................................................................................................................................... 4

Tools and materials required:.............................................................................................................4

Frame assembly:............................................................................................................................................. 4

Mounting the table surface:............................................................................................................................ 4

Wiring the control box (this document does not provide wiring instructions, but it will be helpful to make sure

you have all your tools first):........................................................................................................................... 4

Electrical precautions .........................................................................................................................5

Overview of the ShopBot PRS CNC tool ..............................................................................................6

Terms to know................................................................................................................................................ 7

Major components: ........................................................................................................................................7

X/Y/Z axis and directions of travel ...................................................................................................................9

Section 2: Table assembly..................................................................................................................................... 10

Visual guide to table parts and hardware......................................................................................... 11

Attach hardware to the table Legs.................................................................................................... 12

Attach the legs to the table sides ..................................................................................................... 13

Attach the lower support ................................................................................................................. 14

Attach the first upper table support and gussets.............................................................................. 15

Slide the first cross-support into position......................................................................................... 17

Add the middle legs (This step is not needed if you are setting up a 48x48 or 60x48 table)............. 17

Add the final set of legs .................................................................................................................... 18

Level and square the table frame ..................................................................................................... 19

Level and square the front table side ............................................................................................................ 19

Level the rear table side................................................................................................................................ 21

Square the rear table side............................................................................................................................. 22

Mount the rails................................................................................................................................. 24

Place the gantry onto the rails.......................................................................................................... 25

Place the YZ car onto the gantry....................................................................................................... 27

Replace the lower wheels ............................................................................................................................. 27

Adjust the lower wheels................................................................................................................................ 28

Attach the rail wipers.................................................................................................................................... 29

Section 3: Mounting the motors and other peripherals......................................................................................... 30

Mount the motors ............................................................................................................................ 30

Secure the motor cables ................................................................................................................... 32

Mounting a router or spindle ........................................................................................................... 33

Router option ............................................................................................................................................... 33

Spindle option .............................................................................................................................................. 33

Mounting the VFD (Applies to spindles only. Skip this section if you are using a router). ................ 35

Determining the VFD Model.......................................................................................................................... 36

Mounting a 10” VFD...................................................................................................................................... 37

Mounting a 16” VFD...................................................................................................................................... 38

Connect power to your spindle......................................................................................................... 39

pg.

Mount the mechanical end stops and proximity switches................................................................ 40

Mechanical end stops ................................................................................................................................... 40

Install the proximity switches........................................................................................................................ 41

Mount the Z zero plate assembly ..................................................................................................... 44

Install the Y axis E-chain ................................................................................................................... 45

Add wires to the Y axis E-chain...................................................................................................................... 48

Open the Y axis E-chain................................................................................................................................. 48

Cable management without an E-chain............................................................................................ 50

Install the X axis E-chain ................................................................................................................... 51

Install the X axis upper E-chain bracket ......................................................................................................... 52

Install the chain ............................................................................................................................................ 52

Install the dust skirt ................................................................................ Error! Bookmark not defined.

Connecting to the dust collection system ............................................... Error! Bookmark not defined.

Grounding the dust skirt......................................................................... Error! Bookmark not defined.

Mount the table surface (for non-vacuum tables)............................................................................ 53

Base layer..................................................................................................................................................... 53

Spoilboard .................................................................................................................................................... 54

pg.

Section 1: Before you start

Tools and materials required:

Frame assembly:

•Framing square

•Level (6’ or longer is ideal)

•8’ straightedge (if using a shorter level)

•Tape measure

•Set of standard and metric allen wrenches

•Standard ratchet and socket set

•Adjustable wrench

•Flat wrench (included in box)

•Two “Quick Grip”-style clamps (recommended) or C-clamps

•Lightweight machine oil (available at any home improvement or auto supply store)

Mounting the table surface:

•Drill and standard-size bits

•1” Spade or Forstner drill bit

•1-1/2” wood screws

•One gallon of general-purpose wood glue

•Paint roller for spreading glue (recommended but not required)

•At least 2 sheets of material for your table surface:

•For 96x48 tables, you will need one sheet of Medium Density Fiberboard (MDF) and one

sheet of 3/4” cabinet-grade plywood. When choosing plywood, keep in mind that a higher

number of plys typically creates a more stable board that is less likely to warp (in other

words, don’t use cheap 5-ply utility sheathing!) Tables larger than 96x48 will require more

material per layer in order to cover the entire work area.

Note: If you are installing a vacuum table, please see the separate document titled “Installing a

Vacuum Hold-down system.” Your material requirements will be different from the ones listed here.

Wiring the control box (this document does not provide wiring instructions, but it will be helpful to

make sure you have all your tools first):

•Incoming power cable (please see the wiring diagram inside your control box for

specifications).

•Wire cutters and strippers

•Needle-nose pliers

•Standard sized Flat-head and Phillips-head screwdrivers

•Small (suitable for electronics) flat-head and Phillips-head screwdrivers

pg.

Electrical precautions

WARNING: RISK OF ELECTRIC SHOCK

The control box needs to be connected to your electrical service by a licensed

electrician who has experience with industrial equipment. Please do not risk

personal injury or damage to your machine by having an unlicensed individual

perform this job.

Connecting the power to your control box can be done before or after you complete assembly of the

tool, but it is easiest to wait until the tool is set up in its final position. If you have purchased a high

frequency spindle and/or a vacuum blower, these will also need to be connected by your electrician.

Wiring diagrams and specifications are located inside the door of the control box.

There are a few other electrical precautions you should be aware of:

Motor connections: DO NOT connect or disconnect your motor cables while the control box is

powered on. This can damage or destroy the motors or drivers.

Induced currents: AVOID moving any axis by hand when the control box is powered off. If you must

push/pull an axis by hand, do so very slowly. Spinning the motors can generate an electric charge

and damage the drivers or other electronic components.

Static Discharges: Electronic circuits are very sensitive to static and power surges. Please have your

electrician follow all wiring and grounding instructions. Avoid doing any vacuuming around your

machine before it is properly grounded, as vacuums can generate a large amount of static electricity

that can damage the control box if the machine is not grounded.

pg.

Overview of the ShopBot PRS CNC tool

We've pre-assembled many components of your machine to reduce the number of assembly steps.

In many places, bolts or hardware are loosely fit in place to show you their intended location, so

you’ll need to remove this hardware before fitting the corresponding component into place.

Use caution when lifting boxes and

assembled components out of the crate.

There are several assembly steps where

having an assistant will make things much

easier. In particular, you will need assistance

unpacking the crate and lifting the gantry

onto the table rails. Do not attempt to lift

the gantry without assistance.

pg.

Major components:

Terms to know

Before you unpack the crate, let's go over the some of the major components and get familiar with

the terminology and directions we'll be using. This is only a quick overview to help get you started.

For each assembly section, there will be a visual guide with all parts and hardware clearly labeled.

The base of your machine is referred to as the

table frame.

The two long aluminum extrusions on each side

are called table sides, which create the path of

travel for the X-axis.

The table sides and related components are

included in the long cardboard package secured

to the top of your crate.

The assembly that rides along the table sides is

called the Gantry.

The gantry consists of an extruded aluminum

beam, which has been fitted with V-rails (for

wheel bearings) and gear rack. This forms the

path of travel for the Y axis.

The blue plates on either side of the gantry

are referred to as end plates.

The YZ car moves across the gantry, and also

controls the height of the cutter head (either

a router or high-speed spindle, depending on

your tool).

pg.

VFD (For spindles only)

This controls speed and power for your

spindle. The control box provides the VFD

with on/off signals, but speed is controlled

through an RPM controller unit, which

connects to your PC through a separate USB

cable.

Control box

The control box is the “brain” of your

machine and contains a control board,

motor drivers, and numerous other

electronic components that allow the tool to

move with precision, accuracy, and power.

It connects to your PC through a single USB

cable.

pg.

X/Y/Z axis and directions of travel

In all of our assembly and training instructions, we will frequently refer to the machine by each axis

so It will help to become familiar with them before you start. Another frequently-used term is the XY

home position, which is indicated here and on your table drawing at the back of this guide. For a

detailed explanation of your machine’s coordinate location system, please reference the full user’s

manual. For now, just make sure that you understand the directions of travel for the X, Y, and Z axis,

as well as where the XY home position is located.

pg.

Section 2: Table assembly

Time to get started!

The diagrams in this manual depict a ShopBot with a “generic” 96x48 table. Depending on the size and shape of

your tool, the table layout may look a little different (fewer or more legs, different shape, etc.). For specific

dimensions, reference the table drawing included in the back of this assembly manual.

Please note: It is critical that you assemble your tool according to the measurements in the table

drawing.

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