Parts we want to salvage from our CD/DVD drivesWe want 3x laser head s translation - Parts we want to salvage from our CD/DVD drivesWe want 3x laser head s Indonesian how to say

Parts we want to salvage from our C


Parts we want to salvage from our CD/DVD drives

We want 3x laser head slider (DVD-bed) mechanism with stepper motors, including the frame it is mounted on. This included the center part, rails, motor and the bed it is attached to. See Photos.

From now on I will call it:

The center moving part as: DVD-bed
Motor with 4 wires: Stepper motor
The entire frame all the parts are mounted on: DVD-frame

Be carefull not to remove any parts which function is to hold the metal rods in place. When stripping the moving DVD-bed you should again be carefull not to remove any parts that function as any sort of grip on the metal rods.

We are also going to use some of the metal covers to build our framework. Feel free to use Wood, acrylic or some other stuff instead.
Disassembly

It is pretty straight forward to disassemble a CD/DVD drive.

You use a paperclip or similar to press into the small hole in the front to open the drive-bay. I learned that drives without this hole is most likely to contain DC motors. We can't use DC motors for this project.
Then loosen the front plastic bezel which is held in place with some small retention taps you need to depress.
Remove the 4 screws at the bottom and remove the lower shield.
Remove the upper shield. Some of these are connected to some of the PCB parts, so don't rib it off with too much force.
Next you go about Carefully removing the bed where the stepper motor is mounted.

All my first batch CD/DVD drives had stepper motors. Stepper motors have 4 wires (as a small ribbon) while DC motors have 2 wires. We need the Stepper motor version.

I got a second batch and only 1 had a Stepper motor! :( Only indication I've seen is how the DC motors seems to lack the tiny hole you can use to open the drive-bay. One of the models with DC motor had a hole though.

All my drives were very old IDE drives.

Some of the below info on Stepper motors were copied or at least inspired by/from here.

3 of my stepper motors showed to be a model PL15S-020, which turns out to be a common and very well documented bipolar stepper motor. Data sheet for this model. (opens a pdf file)

This particular stepper motor does 20 steps per revolution, and the lead screw has a pitch of 3mm per revolution. This Means that each step of the stepper equals a 150 micron displacement of the laser head.

I am going to run mine at 1/16 microsteps, as it did not Work with full steps as I originally had intended.

The resistance through the connectors and coils were around 10-11 ohms on these.

I've read around the net that it is best to have 2 identical drives for the X and Y axis. I have seen builds with a bunch of mixed drives though. I guess it can be configured in software...
Why do I want to use 3 CD/DVD drives?

I have read that people had issues with the Z axis (up) being too heavy for 1 DVD stepper motor. I found a possible solution to be a single floppy drive stepper motor instead, which should Work for some reason I don't know. Using a floppy drive motor is going to decrease the Z height by 1-2cm, which I did not want.

I thought about using 2 CD/DVD motors for the Z axis but I read that you would still need a counterweigh, so I decided to just use 1 CD/DVD motor and use a counterweight to help it.

I mount the X-axis DVD-frame on the Z-axis DVD-frame as I had reservations about adding all that weight on the X-axis motor, which I had no way to unburden since it moves sideways.

Feel free to do otherwise.

I can see some guides says "keep endstops", so do that if you can. None of my drives had any of these though.
I have found it can be configured in the software, so I am going to do that for this 3D printer.
I later found that the endstops weren't really placed near the drivebed but usually placed in the front of the PCB. A Little switch you can depress. Some floppy drives have complete end-stops including a small pcb with all necessary Electronics. I even found some optical ones, so good hunting!

This instructable is not going into details about salvaged endstops, as I'm new to the Electronics and didn't want to short out anything.
Cutting off protrusions and drilling mounholes

I cut off as many protrusions I could from both the bottom and top side of the bed. I needed somewhat flat areas as I am going to bolt through and need something flat to fix the washers up against. I should had taking some "before" images, but I totally forgot.

Be carefull not to remove too much as you might end up with a loose drive-bed.

See the Photos.

You can also see the holes I drilled through each bed. They are 4mm but 3mm would be fine too I guess.


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Parts we want to salvage from our CD/DVD drivesWe want 3x laser head slider (DVD-bed) mechanism with stepper motors, including the frame it is mounted on. This included the center part, rails, motor and the bed it is attached to. See Photos.From now on I will call it: The center moving part as: DVD-bed Motor with 4 wires: Stepper motor The entire frame all the parts are mounted on: DVD-frameBe carefull not to remove any parts which function is to hold the metal rods in place. When stripping the moving DVD-bed you should again be carefull not to remove any parts that function as any sort of grip on the metal rods.We are also going to use some of the metal covers to build our framework. Feel free to use Wood, acrylic or some other stuff instead.DisassemblyIt is pretty straight forward to disassemble a CD/DVD drive. You use a paperclip or similar to press into the small hole in the front to open the drive-bay. I learned that drives without this hole is most likely to contain DC motors. We can't use DC motors for this project. Then loosen the front plastic bezel which is held in place with some small retention taps you need to depress. Remove the 4 screws at the bottom and remove the lower shield. Remove the upper shield. Some of these are connected to some of the PCB parts, so don't rib it off with too much force. Next you go about Carefully removing the bed where the stepper motor is mounted.All my first batch CD/DVD drives had stepper motors. Stepper motors have 4 wires (as a small ribbon) while DC motors have 2 wires. We need the Stepper motor version.I got a second batch and only 1 had a Stepper motor! :( Only indication I've seen is how the DC motors seems to lack the tiny hole you can use to open the drive-bay. One of the models with DC motor had a hole though.All my drives were very old IDE drives.Some of the below info on Stepper motors were copied or at least inspired by/from here.3 of my stepper motors showed to be a model PL15S-020, which turns out to be a common and very well documented bipolar stepper motor. Data sheet for this model. (opens a pdf file)This particular stepper motor does 20 steps per revolution, and the lead screw has a pitch of 3mm per revolution. This Means that each step of the stepper equals a 150 micron displacement of the laser head.I am going to run mine at 1/16 microsteps, as it did not Work with full steps as I originally had intended.The resistance through the connectors and coils were around 10-11 ohms on these.I've read around the net that it is best to have 2 identical drives for the X and Y axis. I have seen builds with a bunch of mixed drives though. I guess it can be configured in software...Why do I want to use 3 CD/DVD drives?I have read that people had issues with the Z axis (up) being too heavy for 1 DVD stepper motor. I found a possible solution to be a single floppy drive stepper motor instead, which should Work for some reason I don't know. Using a floppy drive motor is going to decrease the Z height by 1-2cm, which I did not want.I thought about using 2 CD/DVD motors for the Z axis but I read that you would still need a counterweigh, so I decided to just use 1 CD/DVD motor and use a counterweight to help it.I mount the X-axis DVD-frame on the Z-axis DVD-frame as I had reservations about adding all that weight on the X-axis motor, which I had no way to unburden since it moves sideways.Feel free to do otherwise.I can see some guides says "keep endstops", so do that if you can. None of my drives had any of these though.I have found it can be configured in the software, so I am going to do that for this 3D printer.I later found that the endstops weren't really placed near the drivebed but usually placed in the front of the PCB. A Little switch you can depress. Some floppy drives have complete end-stops including a small pcb with all necessary Electronics. I even found some optical ones, so good hunting!This instructable is not going into details about salvaged endstops, as I'm new to the Electronics and didn't want to short out anything.Cutting off protrusions and drilling mounholesI cut off as many protrusions I could from both the bottom and top side of the bed. I needed somewhat flat areas as I am going to bolt through and need something flat to fix the washers up against. I should had taking some "before" images, but I totally forgot.Be carefull not to remove too much as you might end up with a loose drive-bed.See the Photos.You can also see the holes I drilled through each bed. They are 4mm but 3mm would be fine too I guess.
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Bagian kita ingin menyelamatkan dari CD / DVD drive kami Kami ingin 3x slider kepala laser (DVD-tidur) mekanisme dengan motor stepper, termasuk bingkai itu dipasang pada. Ini termasuk bagian pusat, rel, motor dan tidur itu melekat. Lihat Foto. Mulai sekarang saya akan menyebutnya: Pusat bergerak bagian sebagai: DVD-bed motor dengan 4 kabel: Stepper motor seluruh frame The semua bagian yang dipasang di: DVD-frame Hati-hati untuk tidak menghapus bagian yang berfungsi untuk memegang batang logam di tempat. Ketika pengupasan bergerak DVD-tidur Anda harus hati-hati lagi untuk tidak menghapus bagian-bagian yang berfungsi sebagai semacam pegangan pada batang logam. Kami juga akan menggunakan beberapa logam meliputi untuk membangun kerangka kerja kami. Jangan ragu untuk menggunakan Kayu, akrilik atau beberapa hal lain sebagai gantinya. Pembongkaran Hal ini cukup lurus ke depan untuk membongkar CD / DVD drive. Anda menggunakan penjepit kertas atau mirip dengan menekan ke dalam lubang kecil di depan untuk membuka drive-bay. Saya belajar bahwa drive tanpa lubang ini kemungkinan besar mengandung DC motor. Kita tidak bisa menggunakan motor DC untuk proyek ini. Kemudian kendurkan bezel plastik depan yang diadakan di tempat dengan beberapa retensi kecil keran Anda perlu menekan. Lepaskan 4 sekrup di bagian bawah dan menghapus perisai yang lebih rendah. Lepaskan perisai atas. Beberapa ini terhubung ke beberapa bagian PCB, jadi jangan rib off dengan terlalu banyak kekuatan. Berikutnya Anda pergi tentang hati-hati mengeluarkan tidur di mana motor stepper dipasang. Semua angkatan pertama CD / DVD drive saya memiliki motor stepper . Stepper motor memiliki 4 kabel (sebagai pita kecil) sementara motor DC memiliki 2 kabel. Kita perlu versi Stepper motor. Aku punya batch kedua dan hanya 1 memiliki motor Stepper! :( Hanya indikasi pernah saya lihat adalah bagaimana motor DC tampaknya kurang lubang kecil yang dapat digunakan untuk membuka drive-bay. Salah satu model dengan motor DC memiliki lubang sekalipun. Semua drive saya yang IDE drive sangat tua. Beberapa di bawah ini info di motor Stepper disalin atau setidaknya terinspirasi oleh / dari sini. 3 dari motor stepper saya menunjukkan untuk menjadi model PL15S-020, yang ternyata menjadi motor stepper bipolar umum dan sangat baik didokumentasikan. Lembar data untuk model ini. (membuka file pdf) ini motor langkah tertentu tidak 20 langkah per revolusi, dan sekrup memimpin memiliki lapangan 3mm per revolusi. Ini Berarti setiap langkah stepper sama dengan perpindahan 150 mikron kepala laser. Saya akan menjalankan tambang di 1/16 microsteps, karena tidak Bekerja dengan langkah penuh seperti yang saya awalnya ditujukan. Resistensi melalui konektor dan kumparan adalah sekitar 10-11 ohm pada ini. Saya sudah membaca sekitar bersih yang yang terbaik adalah untuk memiliki 2 drive identik untuk X dan Y axis. Saya telah melihat membangun dengan sekelompok campuran drive sekalipun. Saya kira itu dapat dikonfigurasi dalam perangkat lunak ... Mengapa saya ingin menggunakan 3 CD / DVD drive? Saya telah membaca bahwa orang memiliki masalah dengan sumbu Z (up) menjadi terlalu berat untuk 1 DVD motor. Saya menemukan solusi yang mungkin menjadi floppy drive motor stepper tunggal sebagai gantinya, yang harus bekerja untuk beberapa alasan aku tidak tahu. Menggunakan motor floppy drive akan mengurangi Z tinggi oleh 1-2cm, yang saya tidak ingin. Aku berpikir tentang menggunakan motor 2 CD / DVD untuk sumbu Z tapi saya membaca bahwa Anda masih perlu menyeimbangkan, jadi saya memutuskan hanya menggunakan 1 CD / DVD bermotor dan menggunakan penyeimbang untuk membantu. Saya me-mount X-axis DVD-frame pada Z-axis DVD-frame yang saya memiliki keberatan tentang menambahkan semua berat badan yang pada motor X-axis, yang Saya tidak punya cara untuk melepaskan beban karena bergerak sideways. Jangan ragu untuk melakukan sebaliknya. Aku bisa melihat beberapa panduan mengatakan "terus endstops", sehingga melakukan itu jika Anda bisa. Tak satu pun dari drive saya memiliki semua ini sekalipun. Saya telah menemukan itu dapat dikonfigurasi dalam perangkat lunak, jadi saya akan melakukannya untuk printer 3D ini. Saya kemudian menemukan bahwa endstops tidak benar-benar ditempatkan di dekat drivebed tetapi biasanya diletakkan di depan PCB. Sebuah switch kecil Anda dapat menekan. Beberapa floppy drive memiliki lengkap-berhenti akhir termasuk PCB kecil dengan semua Electronics diperlukan. Saya bahkan menemukan beberapa yang optik, berburu begitu baik! Instructable ini tidak akan ke rincian tentang endstops diselamatkan, karena saya baru ke Electronics dan tidak ingin apa-apa pendek keluar. Memotong tonjolan dan mounholes pengeboran saya dipotong sebagai banyak tonjolan aku bisa baik dari bawah dan sisi atas tempat tidur. Aku butuh daerah agak datar karena saya akan baut melalui dan membutuhkan sesuatu datar untuk memperbaiki mesin cuci melawan. Saya harus telah mengambil beberapa "sebelum" gambar, tapi aku benar-benar lupa. Hati-hati untuk tidak menghapus terlalu banyak karena Anda mungkin berakhir dengan drive-tidur longgar. Lihat Foto. Anda juga dapat melihat lubang saya dibor melalui setiap tempat tidur. Mereka 4mm tapi 3mm akan baik juga saya kira.

































































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