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a laser router

trussmonkey25

trussmonkey25

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I had a modicum of success. I block clamped a laser pointer to a Pantagraph made for routers. It did well copying the letter template untill the batteries got tired and the duty time of the laser expired... can anyone her build a laser head that I could plug in. I need about 5 watts and adjustble focus.. the device needs to fit where a routher would. I used a 2 1/2 watt pointer for my project

I made a rig including a block clamp and a s8mple lens... this made nice fine lines. Id like to find a more powerful module that hase a cooling system.
 
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S

swamidog

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your best bet is watercooled co2 laser.

trussmonkey25 said:
I had a modicum of success. I block clamped a laser pointer to a Pantagraph made for routers. It did well copying the letter template untill the batteries got tired and the duty time of the laser expired... can anyone her build a laser head that I could plug in. I need about 5 watts and adjustble focus.. the device needs to fit where a routher would. I used a 2 1/2 watt pointer for my project

I made a rig including a block clamp and a s8mple lens... this made nice fine lines. Id like to find a more powerful module that hase a cooling system.
Click to expand...
 
trussmonkey25

trussmonkey25

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swamidog said:
your best bet is watercooled co2 laser.
Click to expand...
I tried that. Too bulky. I just want to do light etching in wood or leather. I figure the diodes head could be made more compact. Plus I dont want to deal with dangerous high voltages. If I could combine two beams and adjustble focus that would work well.
 
The Lightning Stalker

The Lightning Stalker

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5W? It would either have to be the NDB7A75 or a C-mount IR diode. rhd might be able to hook you up
with something.
 
S

swamidog

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trussmonkey25 said:
I tried that. Too bulky. I just want to do light etching in wood or leather. I figure the diodes head could be made more compact. Plus I dont want to deal with dangerous high voltages. If I could combine two beams and adjustble focus that would work well.
Click to expand...

i built a co2 system a while ago. it is bulky, but the HV is quite easy to manage.

if you're just doing wood/leather, i'd try one of thoe ~1W 405nm diodes and good heat sinking.
 
ru124t

ru124t

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I was looking at doing the same type of setup. Back in the day we used to use an Engravograph machine that had a small electric motor and block print that use to be copied onto wood, plastic or metal. My idea , which was similar to yours was to exchange the motor for a laser. I only also wanted to do wood , leather or plastic . My idea was to use some type of pot switch or variable driver/ power supply setup to manually increase or decrease the power, much like the volume control on a radio. In this way the burning power could be controlled and with practice , it would be a joke to figure out what power for what materials.
 

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trussmonkey25

trussmonkey25

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ru124t said:
I was looking at doing the same type of setup. Back in the day we used to use an Engravograph machine that had a small electric motor and block print that use to be copied onto wood, plastic or metal. My idea , which was similar to yours was to exchange the motor for a laser. I only also wanted to do wood , leather or plastic . My idea was to use some type of pot switch or variable driver/ power supply setup to manually increase or decrease the power, much like the volume control on a radio. In this way the burning power could be controlled and with practice , it would be a joke to figure out what power for what materials.
Click to expand...


It will be three fold.. the focus , power and speed you are burning..if you stay too long on one spot you burn through or ruin design
 
trussmonkey25

trussmonkey25

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Here I am only using myself to control the laser router, Not a computer. I dont want the sterile look. If I did I would have ordered a cnc long time ago.
 
Hemlock_Mike

Hemlock_Mike

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Perhaps YOU should build a laser to fit that panta.
405 diodes focus real sharp and they do burn!
Don't be an appliance operator!
HMike
 
ru124t

ru124t

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Exactly, it is analogue I am talking about. You trace out the letters and symbols. Power of laser and focus by hand!
 
The Lightning Stalker

The Lightning Stalker

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Well, trussmonkey has commissioned me to do the build. They have decided to go with the
new 3.5W NDB7A75 diode and a large fan cooled heatsink for long runtimes. Here is the
progress so far.

Tooling arrived yesterday. We located perfect center and a pilot hole was drilled in the
heatsink. Man I wish I had a bigger mill!

Laser%20Pantograph%201.jpg


Diode and G2 lens also arrived yesterday from DTR and were integrated into a DTR 12mm
copper module for their protection and safe keeping until the heatsink is finished
A GitD lens cap was put over the front of the lens to protect that end as well.

Laser%20Pantograph%202.jpg


We are also waiting for a sewing machine style foot switch to arrive from China.
 
trussmonkey25

trussmonkey25

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Who is the other part of "we"? Do you have a partner you build with? Can't wait to see this fired up and lpmed :)
 
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