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OpenScan Classic User Manual

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OpenScan – User Manual

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Summary of Contents for OpenScan Classic

  • Page 1 OpenScan – User Manual...

  • Page 2: Table Of Contents

    Contents Material needed ............................3 3D printable parts ............................ 5 Assembly ..............................7 Step 1 – LCD ............................7 Step 2 – Control unit..........................8 Step 3 – wiring the LCD ........................9 Step 4a – Stand 1 ..........................10 Step 4b –...

  • Page 3: Material Needed

    Material needed M3 nut M3x12mm M3x8mm Steel pin (d=6mm, l>50mm) Jumper Wire 10cm m-f Nema 17 (min. 40Ncm) Stepper motor cable >70cm JST-XH-4P or 4P DuPont LCD 20x4 with I2C-Module...
  • Page 4 Power Supply 12V 2A Barrel connector (5,5mm- 2,5mm) Control unit Remote Control Bluetooth (optional) Remote Control Infrared (optional)

  • Page 5: 3D Printable Parts

    3D printable parts (https://www.thingiverse.com/thing:3050437/files) Stand1_Nema17.stl Stand2.stl Adapter1.stl Adapter2.stl Turntable_Base_Small.stl Optional:large-version Rotary_Arm.stl...
  • Page 6 Control_Module.stl Gear_Small.stl (optional v2 je nach Druckertoleranz) Turntable_Adapter.stl (Optional: je nach Bedarf) Accessories for assembly: Allen Key (2,5mm) Optional: pliers...

  • Page 7: Assembly

    Assembly Step 1 – LCD Needed parts:  LCD 20x4 with I2C-Modul  Control_module.stl  M3x12 (4x)  M3 nuts (4x) Front: Back: I2C-Module Description: The display is mounted on the back of the control unit using four of the M3x12mm screws. See the orientation of the display - I2C module top right.

  • Page 8: Step 2 - Control Unit

    Step 2 – Control unit Needed parts:  Control unit  Control_module.stl (nach Schritt 1)  M3x12 (4x)  M3 nuts (4x) Front: Back: Description: The control unit is mounted on the back of the printed unit using four of the M3x12mm screws. Note: Depending on the printing accuracy, it may be necessary to pre-drill the screw holes with a 3mm drill bit.

  • Page 9: Step 3 - Wiring The Lcd

    Step 3 – wiring the LCD Needed parts:  Control unit (after Step 2  Jumper Wire 10cm m-f Back: Description: Wire the connections according to their labels. (GND-GND / VCC-VCC / SDA-SDA / SCL-SCL) Important note: This step should be double checked to ensure that the pins are properly connected, otherwise the control unit and / or the display can be destroyed!

  • Page 10: Step 4A - Stand 1

    Step 4a – Stand 1 Needed parts:  Stand1_Nema_17.stl  Nema 17 (min. 40Ncm)  M3x8mm (4x)  Gear_Small.stl (optional v2) Description: (1) Mount the stepper motor with four M3x8mm Screws onto the Stand1.stl. (2) Press the Gear_small.stl onto the motor shaft. Make sure, that the gear and the motor shaft close flush at the front.

  • Page 11: Step 4B - Stand 1

    Step 4b – Stand 1 Needed parts:  Stand1_Nema_17.stl (after Step 4a)  Adapter2.stl  Steel pin (d=6mm, l>50mm) Description: (1) The steel pin is pressed into the opening of the side stand. (2) The larger gear (Adapter2.stl) is pressed onto the steel pin. (3) The steel pin (top) and the motor shaft must NOT protrude forward from the components and should be flush with the surface.

  • Page 12: Step 5 - Stand 2

    Step 5 – Stand 2 Needed parts:  Stand2.stl  Adapter1.stl  Steel pin (d=6mm, l>50mm) Description: (1) The steel pin is pressed into the opening of the side stand (2) The adapter1.stl is pressed onto the steel pin. It is important to ensure that the steel pin does not protrude forward from the adapter.

  • Page 13: Step 6 - Turntable

    Step 6 – Turntable Needed parts:  Turntable_Base_small.stl  Nema 17 (min. 40Ncm)  M3x8mm (4x)  Rotary_Arm.stl (2x)  Turntable_Adapter.stl Description: (1) Connect the Nema 17 with 4 M3x8mm screws with Turntable_Base_small.stl: (2) Place the Rotary Arm (2x) on the sides of the turntable_base.stl (red mark) and press any Turntable_Adapter.stl onto the motor shaft: Note: The connections marked red in the second picture can be fixed with super glue if they are too loose.

  • Page 14: Step 7 - Tilting Mechanism

    Step 7 – Tilting mechanism Needed parts:  Stand 1 (after step 4b)  Stand 2 (after step 5)  Turntable_Base_small.stl (after step 6)  M3x12mm (2x) Description: The two M3x12mm screws are screwed laterally into the adapters (red mark), so as to connect the side stands with the rotating arm (Turntable_Base + Rotary_Arm).

  • Page 15: Step 8 - Setting The Scanning Volume

    Step 8 – Setting the Scanning Volume Description: Depending on the object, the height of the tilting mechanism must be adjusted. This can be done by loosening the screws used in step 7 and adjusting the height accordingly. The goal is that the center of the object is in the center of the two roational axis, as shown in the following image: (1) optimal height: (2) object to low:...

  • Page 16: Step 9 - Wiring The Stepper Motors And Control Unit

    Step 9 – Wiring the stepper motors and control unit Needed parts:  Control unit (after step 3)  Tilting mechanism (after step 7/8)  Stepper motor cable >70cm (2x) Description: The motors are connected to the control unit as shown. Rotor = (1) TT = (2) 12V DC...

  • Page 17: Step 10 - (Optional) Mounting On A Base Plate / Work Surface

    Step 10 – (optional) Mounting on a base plate / work surface Needed parts:  Tilting mechanism and control unit (after step 9)  Screw for wood (d=3mm) or alternatively double-sided tape  Wood panel (min. 600x150mm) Description: The tilting mechanism and the control unit are mounted on a base plate. This can be done either temporarily with double-sided tape or more durable with wood screws.

  • Page 18: Accessories

    Accessories Remote Control – Bluetooth for Android/iOS A modified Bluetooth trigger can be used to trigger most smartphone cameras. The shown module is operated with a CR2032 button cell, which must be inserted on the back. As soon as the On / Off switch has been flipped, the blue LED lights up at regular intervals.

  • Page 19: Remote Shutter Control - Infrared

    Remote Shutter Control – Infrared Important: Set Camera mode to the appropriate camera model (settings menu) Connectors Control Board Plug Infrared-LED Many cameras can be triggered by infrared. This function is to be activated in the corresponding menu of the camera (see user manual of your camera model). An infrared LED is connected to the control board of the scanner (see below) so that it emits a predefined light pulse at the given times.

  • Page 20: Remote Shutter Control - Modifying A Remote Control

    Remote Shutter Control – Modifying a remote control For (almost) all cameras you can buy a standard remote release, which can be connected to the camera by cable. These can be modified easily and also connected to the Scanner’s control unit. A very extensive source for various camera models and home-made remote releases is the following page: http://www.doc-diy.net/photo/remote_pinout/.

  • Page 21: Using The Control Unit (Important Notes!)

    Using the control unit (important notes!) down Off/On 12V/5V/Opto Be careful not to mix up the 12V/5V/Opto connectors, when connecting any accessory to the control board as this might damage or destroy the devices! Main Menu In the main menu, you can use the arrow keys to select whether a program should be loaded or started or whether settings of the scanner should be changed..

  • Page 22: Load Program

    Number of Photos per Rotation: 32 Start- und final tilting angle: 75°, i.e. the object is tilted to a maximum of + 75 ° and -75 ° from the starting position Number of positions between start and end angle: 5, ie. at -75 °, -37,5 °, 0 °, + 37,5 ° and + 75 ° one turn of the turntable is made with 32 images.

  • Page 23: Interrupt Or Stop Routine

    Interrupt or Stop Routine If a program is already running and you want to cancel it, the OK button must be held down (at least 1s) and the following screen appears. You will then be able to cancel the routine by pressing the Up button.

  • Page 24: Time Per Photo

    a value of three should be chosen. The scan arm is first tilted to -30 °, then to 0 ° and to + 30 °, and the preset number of photos is taken in each position. Finally, you have to save the new program by selecting "Yes" and confirming with OK. The old program will be permanently overwritten.

  • Page 25: Set Camera Mode / Triggering Mechanism

    Set Camera mode / Triggering mechanism In this menu, the type of camera activation is selected. With the OK button the (changed) settings are saved immediately and you return to the main menu. Currently, basically two triggering mechanisms are supported, which can be selected using the arrow keys and selected by OK. (1) „direct“...

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