Sherline Products MASSO Bedienungsanleitung

Laser Setup Instructions for Engraving and Cutting on

the MASSO Touch Controller

Setting up a Laser for Engraving and Cutting

Installing the Laser Mount on the Mill Column

1. Remove the headstock, motor, and speed control by

loosening the set screw on the side of the headstock.

Then pull the entire assembly forward to remove it

from the pivot pin.

2. Once the headstock is removed, clean the face of the

column saddle so it is free of any chips. Replace the

head key into the head key slot in the saddle.

Pivot Pin

Head Key

FIGURE 1— The headstock, motor, and speed control removed

from the column saddle.

3. With the laser either mounted or unmounted to the laser

mount, hold the laser mount with the pivot pin hole and

head key slot orientated towards the column saddle.

SAFETY WARNING: You must use a quality pair of

laser safety glasses when operating a laser. Wear safety

glasses suitable for the type of laser you are using.

The Opt Lasers PLH3D 6-watt laser

INFORMATION: Laser engraving/cutting is only

available in MASSO G3 and MASSO Touch software

versions with the Multi-Head feature. Available in version

4.02.77b onwards.

Table of Contents

Setting up a Laser for Engraving and Cutting ................ 1

Installing the Laser Mount on the Mill Column .......... 1

Installing a Laser............................................................. 2

Connect an Opt Lasers PLH3D ................................... 2

Connecting the OPT Laser to the MASSO Touch

Controller..................................................................... 2

Programming the CNC Adapter .................................. 3

Connecting Other Lasers ............................................. 3

Hardware Requirements .............................................. 4

MASSO TTL Output ................................................... 4

Installing the PWM Grounding Resistor ..................... 4

Setting up a Laser to Use with MASSO ......................... 4

Conguring MASSO ................................................... 4

Displaying Laser Grayscale Engravings...................... 5

Syntax and Parameters................................................. 5

EXAMPLE Program.................................................... 5

Generating G-code....................................................... 5

Notes on G-code Format.............................................. 6

Laser Safety Glasses.................................................... 6

Setting up Lightburn ....................................................... 6

What is Lightburn? ...................................................... 6

Congure Lightburn to Use with MASSO .................. 6

Outputting G-code ....................................................... 7

Overscanning ............................................................... 7

WEAR YOUR

SAFETY LASER GLASSES

USE QUALITY

SAFETY LASER

GLASSES SUITABLE

FOR THE LASER THAT

YOU ARE USING

SHERLINE PRODUCTS INC. •3235 Executive Ridge •Vista •California 92081-8527 •FAX: (760) 727-7857

Toll Free Order Line: (800) 541-0735 •International/Local/Tech. Assistance: (760) 727-5857 •Internet: www.sherline.com

10/11/23

Head Key Slot

Pivot Pin Hole

FIGURE 2—Align the head key slot and pivot pin hole on the

back of the laser mount to the head key and the pivot pin on the

column saddle.

4. Place the pivot pin into the 1/2" hole on the laser mount.

Then slowly push the laser mount onto the pivot pin and

onto the head key. The laser mount should push on until

it is ush with the face of the column saddle. Once the

laser mount is ush with the face of the column saddle,

tighten the set screw on the side of the laser mount.

When the set screw makes contact with the pivot pin,

it will pull the laser mount down securely against the

face of the column saddle and lock it in place.

FIGURE 3—The red arrow points to the access hole for the laser

mount set screw.

Installing a Laser

Sherline Products does not sell lasers. We sell the laser

mount. You can purchase a laser from several laser

manufacturers. We tested our laser mount with a few

dierent lasers and found the Opt Lasers PLH3D to be

the best value for the money and have the best customer

service. The Opt Lasers package has everything you need

to get started (Ultra-HD High-Performance Universal CNC

Laser Upgrade Kit-optlasers.com).

Information on the laser used in testing, can be found here:

Opt Lasers

Connect an Opt Lasers PLH3D

This section shows how the PLH3D 6-watt laser with CNC

adapter was connected to MASSO for our laser testing.

The kit comes with the PLH3D laser, a CNC adapter, and

all cables necessary to connect it to the MASSO CNC

Controller, as well as a pair of safety glasses suitable for

use with the laser. Only two wires need to be connected to

get the laser up and running.

The PLH3D CNC Adapter provided with the kit is an

interface between the laser and MASSO, which has various

safety interlocks. These can be used to help ensure that the

laser can be locked when not in use to prevent unauthorized

use and provides other safety features, such as a place to

connect the Emergency stop.

Connecting the OPT Laser to the MASSO Touch Controller

The E-stop bridge

(1-2 & 3-4).

FIGURE 4—This diagram

shows the CNC Adapter

connection between the OPT

Laser and the MASSO G3

board.

Setting up a Laser for Engraving and Cutting, Pg. 2 OF 8

The following photo shows the dierent connections on the

Opt Lasers PLH3D-CNC Adapter (see Figure 5).

FIGURE 5

1. 5-wire connector on left goes to the laser.

2. Bridge the 1-2 and the 3-4 on the E-stop connector.

3. Power supply.

4a. #2 Red goes to #11 Red on the G3 board.

4b. #4 Black goes to Ground on the G3 board.

Use the legend above to connect the wires from the CNC

adapter to the MASSO G3 Touch Controller.

NOTE: The E-stop that is on the MASSO Touch controller

stops all functions, thereby turning any signal to the laser

o. Because of this, we do not make a connection to the

E-stop connector on the OPT laser. Instead, we bridge the

four points on the connector (see Figure 6).

E-Stop Bridge

FIGURE 6—Close-up of the E-stop bridge.

The #11 Red and Ground Black are connected to #2 Red

and #4 Black, respectively, on the PLH3D-CNC Adapter

(see Figures 7 & 8).

FIGURE 7—G3 board connections: Plug the red wire into the

#11 TTL Output and plug the black wire into the Ground.

NOTE: The wire connection shown in Figure 7 is for

customers who already own a MASSO controller. If you

purchase a new controller from Sherline, these connections

have already been made and the two-wire cable is one of the

cables coming out of the back of the controller (see Figure

8 showing the cable connected to the OPT connector).

FIGURE 8—The #2 Red and #4 Black wires on the PLH3D-

CNC Adapter.

Programming the CNC Adapter

The CNC adapter can be congured in many ways and

needs to be set correctly to work with MASSO.

You will see the congured mode whenever you turn the

laser on in the rst second before the Power LED turns on.

The CNC adapter is correct if you see the Laser LED come

on by itself before the Power LED turns on (see Figure 9).

FIGURE 9—This is what you see when you turn the Laser on.

Note that the Laser LED is lit before the Power LED.

Instructions on setting the CNC Adapter can be found on

the Opt Lasers Site: CNC Adapter Manual

Connecting Other Lasers

How you connect your laser will depend on what type of

laser you have and its interface.

Please note the 5.6K resistor installed between the PWM

output and MASSO GND. This is important and must be

Setting up a Laser for Engraving and Cutting, Pg. 3 OF 8

installed for correct PWM operation on all laser installations.

The connections shown below are for demonstration

purposes only. Please consult the user manual that came

with your laser to establish the correct connection.

MASSO uses TTL only and controls the power of the laser

using PWM. (Pulse Width Modulation)

Hardware Requirements

• Any laser with a TTL PWM input.

• Safety glasses suitable for the laser you are using.

MASSO TTL Output

• Laser on 5 volt

• Laser o 0 volt

FIGURE 10

Installing the PWM Grounding Resistor

• The 5.6K resistor installed between the PWM output

and MASSO GND is important and must be installed

on all lasers that do not include a built in pull down

resistor. This is needed for correct PWM operation.

NOTE: The grounding resistor is not needed with OPT

Lasers.

• If you are unsure if your laser has a pull down resistor

there is no disadvantage in adding the resistor.

• The resistor can be installed at the laser or directly on

MASSO as shown below.

• It is a good idea to insulate any resistor mounted in this

manner to avoid accidental contacts. Here it has been

put into clear heat shrink (see Figure 11).

FIGURE 11—Resistor with heat shrink installed on MASSO

Setting up a Laser to Use with MASSO

This feature allows you to add a laser to MASSO to use

for engraving or cutting as required.

MASSO can turn the laser on and o as well as control the

power of the laser using PWM (Pulse Width Modulation).

This allows the laser to be used for cutting, general line

engraving, dithered, and grayscale engraving.

When working with grayscale engraving, MASSO can

display the image by using the Depth Map feature.

Configuring MASSO

• Configure MASSO output 11 for the LASER

Engraving/Cutting output as shown.

• No other output can be used for this function as it

includes special hardware to output a PWM signal.

• An output can be assigned to move the laser into

position when laser is selected.

• An output can be assigned for Air Assist as required.

• Go to the Multi-Head setting page and select Laser

Engraving/Cutting (see Figure 12).

• Check the box for Enable Laser Engraving/Cutting.

FIGURE 12—The Multi-Head Settings dialog box.

• Set the PWM Frequency for your laser. It is

recommended that you select a value of 10Khz though

this will depend on the power of your laser and the

maximum feed rate you which it will be moving. Since

power is controlled by turning the laser on and o very

rapidly, if you have a low PWM frequency and move

quickly you could get a line that has areas where the

laser was on or o - - - - - - - - A frequency of 10Khz

should be a good balance.

• PWM can be set between 4Khz and 60Khz.

• X,Y, and Z oset is the distance from the Main spindle

or other Main tool if using Waterjet or Plasma. This can

be measured zeroing the DROs, making a spot with the

laser and then jog the main spindle over to the center

Setting up a Laser for Engraving and Cutting, Pg. 4 OF 8

of the spot and reading o the X Y Y coordinates on

the DROs. These will be your osets. The Z oset will

be determined by the focus point of your laser oset to

the Z zero point of your spindle tool. It would not be

uncommon to leave the Z oset set to 0 and to manually

zero the laser when doing the job. Osets are only

needed when switching between the laser and other

tools and only if they are part of the same G-code le.

• Conguration complete.

Displaying Laser Grayscale Engravings

• For a grayscale engraving to be able to be viewed as

grayscale, the G-code le must include T111 M06 at the

start of the le or the Depth Map view will be blank.

• To change between 2D View and Depth Map view,

press the button at the top right of the display area (see

Figures 13 & 14).

FIGURE 13—2D View

FIGURE 14—Depth Map View

• When the Laser Tool 111 is selected, the display

automatically changes to show laser related information.

• This will display the Tool number 111

• Laser On/O status

• Laser Power

FIGURE 15—LASER Status screen

Syntax and Parameters

• T111 – The laser is dened as Tool 111 and cannot be

changed. To change to Laser Mode, you need to load

Tool 111.

• M03 – Turn the laser on. This turns the Laser

Engraving/Cutting output on with 0 intensity.

• S– This controls the Laser PWM using any number

from 0 to 1,000. 0 is 0% and 1,000 is 100% power.

The S command must be included with a G1 and is

synchronized with motion.

• M05 – This turns the laser o.

EXAMPLE Program

EXAMPLE Program Description

• N10 – Load Laser Tool 111

• N20 – Turn laser on at 0% PWM

• N30 – Rapid Move to X0 Y0

• N40 – Move to X100 Y0 at a feed rate of 600 with

laser intensity of 35% PWM

• N50 – Move to X100 Y100 at a feed rate of 600 with

laser intensity of 35% PWM

• N60 – Move to X0 Y0 at a feed rate of 600 with laser

intensity of 0% PWM (o)

• N70 – Turn laser o

Generating G-code

MASSO Laser G-code requirements are compatible with

many GRBL G-code softwares.

One of the best laser software options is Lightburn, which

allows you to engrave photos, line drawings, and cut parts

as needed (see page 6 for setting up Lightburn).

Setting up a Laser for Engraving and Cutting, Pg. 5 OF 8

To see how to set up LightBurn for MASSO Laser, please

following link: Setting up Lightburn

Notes on G-code Format

• You must include T111 M06 at the start of the G-code

le or the Depth map view will be blank.

• The Scommand can be on a line of its own before the

move or it can be on the same line as the Move.

• The S command ranges 0 - 1,000 so to know what

percentage of total laser power you have set divide the

S value by 10.

• The Scommand is not actioned until there is an Axis

move.

Laser Safety Glasses

Aquality pair of safety glasses is the most important part of

any laser. Unlike other CNC tools, a laser can cause serious

eye damage from a distance in normal use.

Laser safety glasses are a must and can help reduce the

probability of light entering the user’s eye from a diusely,

backscattered laser light.

Use quality safety laser glasses suitable for the laser that

you are using.

You only get one pair of eyes and they don’t grow back.

FIGURE 15

NOTE: For all other laser connection information, contact

MASSO.com.au, or go to this link (Installing an Opt Lasers

(masso.com.au))

Thank you,

Sherline Products

Setting up Lightburn

INFORMATION: Laser engraving/cutting is only

available in MASSO G3 and MASSO Touch software

versions with the Multi-Head feature. Available in version

4.02.77b onwards

What is Lightburn?

Lightburn is a software package designed to be used with

Lasers of all types and can be used with CNC machines.

It has a free trial that allows you to test it with your machine

before purchasing. Click the following link: Lightburn

With Lightburn, you can design, edit, and create G-code

that you can send to your MASSO CNC controller.

It is a very powerful software that can be used with Windows,

Mac OS, and Linux.

When you are happy that the software is what you want,

you will need to purchase a license for the G-code version

of Lightburn software.

This document does not seek to teach you how to use

Lightburn but how to set it up to use with MASSO.

Lightburn assumes that you are using a Diode Laser.

Configure Lightburn to Use with MASSO

Step 1: Select the right Machine type.

When you rst open Lightburn, it will ask you to select

your device.

• Click on Create Manually.

• Select GRBL-M3 (1.1e or earlier) and click Next.

• Select Serial/USB and click Next.

• Enter the X and Y axis length for your machine and

click Next.

• Turn o Auto “home” your Laser, (switch will be

brown when o), and click Next.

• Click Finish.

FIGURE 16—You will see this dialog box at the completion of

Step 1.

Setting up a Laser for Engraving and Cutting, Pg. 6 OF 8

Step 2: General Settings

• Find the symbol along the top line and click on it.

• Under Unit/Grids, select mm/min or Inches/min as

required.

• Click OK

FIGURE 17—The completed General Settings dialog box. The

Unit/Grid section is outlined in red for reference.

Step 3: Device Settings, Basic Settings tab

• Find the symbol along the top line and click on it.

• Under the Basic settings tab select M8 for Air Assist.

• Set the S-value max to 1,000.

FIGURE 18—The completed Basic Settings dialog tab.

Step 4: Device Settings, G-code Tab

• Find the symbol along the top line and click on it.

• Under Start G-code enter the following:

T111 M06

• Click OK.

FIGURE 19—he completed G-code dialog tab. The Start G-code

section is outlined in red for reference.

Lightburn conguration is now complete.

Outputting G-code

While there are many settings that you can use, the steps

above are the minimum needed to get up and running.

• Once you have created your project, select Save G-code

to output your le.

• Remember to add .nc at the end of your le name.

• Ensure that you have selected GRBL-M3 (1.1e or

earlier) for your device when saving to ensure it outputs

the correct G-code format. This is only a problem if

you set up more than one device.

• Ignore the disconnected message on screen as it

only applies when the Laser is connected directly to

Lightburn.

FIGURE 20—The red arrow shows the “Disconnected” message.

Overscanning

Overscanning is an important feature then engraving photos

or shading an object. It allows the Laser to move past the

end of the object you are engraving.

Overscanning is necessary to overcome acceleration and

deceleration. Without overscanning, the laser would slow

Setting up a Laser for Engraving and Cutting, Pg. 7 OF 8

down as it nears the end of the engraved area. However,

because the laser is still turned on, the area of acceleration

or deceleration will get darker burning because the laser is

moving slower in that area. This causes a fringing eect

on your engraving.

By using overscanning on your layer, the laser will move

past the end of the engraving and turn the laser o then

decelerate.

Likewise, when accelerating, it will start outside the

engraving and turn on when it reaches the correct position.

This allows the Laser to reach the correct speed before

turning on.

The faster you move the longer overscanning will need to be.

FIGURE 21—The Overscanning dialog box.

Setting up a Laser for Engraving and Cutting, Pg. 8 OF 8

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