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3DGence DOUBLE P255 | version 09.2018

Fig. 64 Comparison of correctly calibrated offset values with incorrectly calibrated ones

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Summary of Contents for DOUBLE

Page 1: ...USER S MANUAL 3DGence DOUBLE P255 ...

Page 2: ...odule 15 1 5 Printer s power supply management 15 2 SET OF PRINTER S ACCESSORIES 16 3 USER INTERFACE 16 3 1 Idle state menu 16 3 2 Menu during operation 24 3 3 Menu structure 26 III PREPARATION FOR WORK 30 1 FIRMWARE UPDATE 30 1 1 Updating the firmware 30 2 UNPACKING AND STARTING THE PRINTER 30 2 1 Unpacking the printer 30 2 2 Starting the printer 31 3 HEATBED PREPARATION 31 3 1 Heatbed calibratio...

Page 3: ...ty guarantee 42 2 INSTALLATION 42 VI DUAL HOTEND module 43 1 HOTEND CHANGE 44 VII COMPLEMENTARY INFORMATION 47 1 AUTOCOMPENSATION AND AUTOCALIBRATION 47 VIII SERVICE ACTIVITIES 48 1 INDICATIONS FOR HEATBED CALIBRATION 48 1 1 Heatbed change 48 2 DUAL HOTEND MODULE CALIBRATION 49 2 1 Precise axes calibration 49 2 2 Calibration of offsets along X Y and Z axes 51 3 SYSTEM ERRORS AND THEIR REMOVAL 55 I...

Page 4: ...ter Wrong use may damage the printer or cause bodily injuries or even endanger the life of the operator On the last pages of this User s Manual there is the dictionary of terms and concepts connected with 3D printing The dictionary will facilitate understanding the professional terminology and explain some terms appearing in this User s Manual Before starting the operation of 3DGence DOUBLE P255 p...

Page 5: ...l Base 3 SYMBOLS There are warning symbols placed on 3DGence DOUBLE P255 printer to warn about potential hazards The following symbol indicates high temperature occurring in a given place Take special care when working in zones marked with the above symbol and use protective gloves Failure to comply with safety rules may result in severe burns 3 1 Auxiliary symbols used in the User s Manual Throug...

Page 6: ... heatbed is hot do not touch it There is a serious risk of burns Yellow Failure of the heating devices If the hotend has been installed correctly immediately disconnect the printer from power supply and contact the service department The backlight colour indicates the heatbed temperature not the hotend temperature The hotend temperature is shown only on the display 4 SAFETY MEASURES The informatio...

Page 7: ...arthed power sources to avoid electric shock when disconnecting the plug from the power source pull the plug by its housing not by the cable disconnect the printer from the power source before any repair or maintenance activities make sure that the mains voltage corresponds with the printer s specifications protect the power lead and plug against damage disconnect the power plug before relocating ...

Page 8: ...ons of handles for printer handling 4 3 Choosing proper installation place for the printer The printer installation place should meet the following conditions the printer should work at room temperature the printer is not designed for work in a dusty environment ventilation suitable for a room size should be ensured the printer should be installed on a hard and stable ground the printer should not...

Page 9: ...3DGence DOUBLE P255 version 09 2018 Fig 4 The maximum dimensions of the printer taking into account the extreme positions of the heatbed right side view Fig 5 The maximum external dimensions of the printer overview ...

Page 10: ...erial number beginning with the DOUBA symbol Working condition Power consumption of the device Standby 4 W Warming up 500 W Printing 120 W Maximum instant power consumption 600 W 4 4 Before starting the printer Each time before starting the printer make sure that the following conditions are met and the following actions have been performed check the conduits for abrasion or other visible defects ...

Page 11: ...nts are presented below in order to facilitate the operation of 3DGence DOUBLE P255 printer and make it easy to understand the instructions included in the User s Manual fig 7 10 Please refer to the figures and descriptions in order to better understand the 3D printing terminology Fig 7 3DGence DOUBLE P255 printer front view 1 Bowden tubes 2 Filament sensor T0 3 Filament sensor T1 4 Spool holder T...

Page 12: ...E P255 printer front isometric projection 7 Extruder T0 8 Extruder T1 9 Z axis endstop 10 Z axis breaker 11 Display 12 SD card slot Fig 9 3DGence DOUBLE P255 printer front isometric projection 13 Extruder cooling fans 14 Trapezoid bolt 15 Heatbed 16 Cable carrier Y axis ...

Page 13: ... to the left to the right The printer s heatbed moves along Y axis forwards backwards and along Z axis up down The designation of the printer axes is shown in fig 11 Dimensions of available printer s working space X 190 mm Y 255 mm Z 195 mm Printed object must not exceed the above dimensions The printer s software will prevent an attempt to generate a file that exceeds the maximum dimensions but t...

Page 14: ...the printer Fig 12 Heatbed of 3DGence DOUBLE P255 printer 1 3 Extruders 3DGence DOUBLE P255 printer is equipped with two material extruding systems Bowden type extruders fig 13 They are located on the printer s top behind the dual hotend module Extruder T0 Tool 0 is responsible for feeding the base material to hotend T0 while extruder T1 Tool 1 is responsible for feeding the supporting material to...

Page 15: ...le contains also the printout cooling system Detailed description of the module is included in chapter VI ATTENTION The dual hotend module contains moving sharp and hot elements Do not touch the module during printer operation Fig 14 Dual hotend module of 3DGence DOUBLE P255 printer 1 5 Printer s power supply management The printer s main switch is located at the back of the printer fig 15 To star...

Page 16: ...FACE 3DGence DOUBLE P255 printer is equipped with a 4 3 inch colour touch screen located on the right side of the printer s front panel fig 8 point 11 This is the printer s communication interface with a transparent graphic menu The user menu structure changes depending on the printer working status The menu architecture diagram is shown in chapter II point 3 3 3 1 Idle state menu After connecting...

Page 17: ...tatus of cooling fans Tool 0 temperatures for extruder 0 hotend preset temperature at the top current temperature at the bottom Tool 1 temperatures for extruder 1 hotend preset temperature at the top current temperature at the bottom Heatbed temperature of the printer s heatbed preset temperature at the top current temperature at the bottom Fan speed percentage of current power of printout cooling...

Page 18: ... be selected by pressing directly on its name The background of the indicated file is highlighted in red When a file is selected the information on the printing time and demand for consumables for the given model is available separately for model material and support material When the PRINT key is pressed the process of printing the indicated file starts BACK return to main MENU MATERIALS displays...

Page 19: ...assistant is available during printing and in the idle mode Back return to main MENU TUNE enables precise modifications of basic printing parameters fig 22 Fig 22 TUNE menu screen Selecting a given parameter control option activates the value selection panel in the lower right corner of the screen The value can be modified using keys The RESET key restores the default value Flow percentage value o...

Page 20: ...sion movement This option applies only to the hotend in active position and can be activated only after the hotend has reached the minimum operating temperature Rise heatbed press and hold the key to move the heatbed smoothly up Press the key once to move the heatbed at a short distance activates The upward movement is limited by the Z axis endstop If T1 hotend is active first the hotend will be c...

Page 21: ...ter fig 25 Fig 25 ADVANCED menu screen Hotend change activates the hotend change manager More information can be found in chapter VI point 1 Heatbed scan this key starts the automatic heatbed calibration procedure The procedure takes about 20 minutes During this time the hotend will be positioned above approximately 100 measuring points in succession The strain gauges installed in the dual hotend ...

Page 22: ... these values is crucial for proper functioning of the dual hotend system More information on offset calibration can be found in chapter VIII point 2 2 Z measure the option used for checking and setting the correct value of Z Offset After pressing the Z MEASURE key the printer will examine the position of T0 hotend tensometrically Next in the same place the printer will make the same measurement f...

Page 23: ...egulated within the range from 50 to 250 In the case of more flowable materials it may be necessary to increase the pressure force to reduce the risk that the hotend will be referenced to the material flowing out during the measurement Otherwise printing may start too high due to the fact that the thickness of the material flowing to the area under the hotend has been taken into account Save confi...

Page 24: ...art of the menu is the same as in the idle mode The menu displays the information on preset and current temperatures of all heating elements and current power of the printout cooling fans The left column contains the following menus PAUSE the command that suspends the printing process When the PAUSE command is used the printer will move the hotend to the home position of X axis and Y axis The temp...

Page 25: ... be stopped after a few seconds after the last commands in the printer s buffer have been executed ATTENTION when ABORT PRINT command is selected the following message will be displayed Are you sure you want to continue If YES key is pressed the interrupted printing process can not be resumed Back return to main menu MATERIALS displays the screen with information and options related to loading unl...

Page 26: ... the option is active by default on If this option is deactivated off the setting of the fans will be in compliance with the power set in the printer and the commands resulting from the machine code will be ignored Back return to main MENU 3 3 Menu structure The hierarchical structure of the menu is shown and its individual functions are described below The menu differs depending on whether the pr...

Page 27: ...page 27 of 62 3DGence DOUBLE P255 version 09 2018 Fig 33 Main menu structure in the idle mode ...

Page 28: ...page 28 of 62 3DGence DOUBLE P255 version 09 2018 Fig 34 Advanced menu structure ...

Page 29: ...page 29 of 62 3DGence DOUBLE P255 version 09 2018 Fig 35 Main menu structure in the working mode ...

Page 30: ...le 7 In the field Device set the Mega ATMEGA2560 option 8 In the COM port field indicate the port assigned to the printer In order to check Port COM enter Windows Control Panel System and Security System Device Manager Ports COM and LPT USB Serial Port COM The rest of the information should remain unchanged 9 Press Upload key The new firmware upload may take several minutes When uploading the firm...

Page 31: ... after the printing process After transport the surface of the printer s heatbed may be contaminated with traces of grease or dust and should be cleaned The heatbed cleaning procedure is described in chapter IV point 4 2 ATTENTION there are OHS instructions on the packaging of the solvents used for cleaning The instructions must be strictly observed the solvent vapours may be harmful Good ventilat...

Page 32: ...orted error message may be displayed If the distance between the heatbed and T0 nozzle tip is outside the range of 0 8 1 5 mm adjust it manually a Move the heatbed maximally backward along Y axis b Loosen the clamp bolt fig 37 blue colour locking the slide fig 37 yellow colour c Adjust the distance by means of the thumbscrew fig 37 red colour Tighten the thumbscrew to lower the slide and increase ...

Page 33: ...e the system To change the error notification threshold 1 Go to MENU Advanced Flow rate monitor fig 25 2 Use the keys to set the required value If a materiel feeding error is detected for example in the event of damage breakage or lack of material printing process will be stopped The printer will display the Material feed malfunction detected message This problem and its solution are described in ...

Page 34: ...mponents of the extrusion system 1 Spool holder 2 Filament sensor 3 Bowden tube 4 Extruder 5 Short bowden tube 6 Dual hotend module 4 2 Material unloading 1 From the MATERIALS level choose the UNLOAD MODEL MATERIAL option located under TOOL 0 extruder or UNLOAD SUPPORT MATERIAL option located under TOOL 1 extruder The filament unloading assistant will start in order to display the sequence of comm...

Page 35: ...e input opening fig 7 point 2 3 and remove the material from the long bowden tube 7 After manual unloading load the material again using the LOAD MODEL MATERIAL LOAD SUPPORT MATERIAL option Case 2 failure to load material The printer will automatically withdraw the material Slide the material out of the filament sensor fig 7 point 2 3 and cut the material end at the angle of 45 and repeat the mate...

Page 36: ...AD SUPPORT MATERIAL option Fig 40 Properly installation of the short bowden tube ATTENTION If the material is fed correctly by the extruder the bowden tubes have been cleared but it is not possible to extrude the material through the hotend it is recommended to replace the hotend with a new one chapter VI point 1 4 4 Change of material during printing process The printer makes it possible to chang...

Page 37: ...ial or return to MATERIALS menu In order to load a new filament choose the CONTINUE option The printer will start the material loading manager chapter III point 4 1 IV FIRST PRINTOUT 1 STARTING A READY CODE FROM SD CARD The 3DGence DOUBLE P255 printer is equipped with a SD memory card The procedure of starting the printing process from SD card is easy and quick Prepared stl and gcode models are av...

Page 38: ...PERATION QUALITY After the first printout the printer operation quality can be preliminarily assessed Pay attention to the following elements 1 shape of model base elephant foot 2 seam 3 general geometry 4 quality of side walls and top wall Another factor to be considered is the heatbed position when printing the first layer Examples with descriptions are shown in figures 42 43 44 Too high positio...

Page 39: ...ption is available in the printer s menu This option makes it possible to skip the cooling process However it may be used only by the users who have considerable experience in the printer operation Make sure that the hotend is cooled and positioned at the X axis zero position maximally on the left to prevent burn injuries Remove the printout from the heatbed using a spatula delivered together with...

Page 40: ...n menu 2 Specify the hotend to be cleaned MODEL MATERIAL for T0 SUPPORT MATERIAL for T1 or BOTH TOOLS for both hotends Confirm the choice with CONTINUE key 3 The process will start automatically 4 After completed process remove the rest of the filament extruded from the hotend 4 2 Heatbed cleaning Dirty or greasy heatbed may seriously hinder or make printing impossible It is recommended that the h...

Page 41: ...p mode screen 6 SWITCHING THE PRINTER OFF To switch the printer off press ON OFF button located at the back of the printer fig 15 After switching the printer off it is advisable to protect the filaments against moisture dust and other contaminations Additionally if the printer will not be used for a long time it is recommended that the guides and trapezoid bolt should be protected against dust and...

Page 42: ...r creating an account and registering the device Each model sent in this way to the manufacturer will be assessed and or printed at the manufacturer s premises The manufacturer will suggest how to solve the problem by advising starting service actions if necessary preparing the gcode executable file or updating the printout profiles 2 INSTALLATION The software together with the user manual should ...

Page 43: ...ends with the nozzle diameter of 0 4 mm The complete system thanks to its driving servo mechanism is able to automatically switch the printer to printing with one of the two materials in a short time The servo mechanism drive rises and lowers the hotends using a special cam The hotends are connected to the extrusion system by means of the guiding sleeves Stoppers prevent the material from flowing ...

Page 44: ... the quick hotend change system PUSH SYSTEM The hotends are shown in fig 50 A different hotend should be used for each material when making multiple material printouts Fig 50 Hotend of 3DGence DOUBLE P255 printer 1 Guiding sleeve 2 Connector 3 Groove 4 Contacts 5 0 4 nozzle ATTENTION the front casing of the dual hotend module may be dismounted only if the printer is disconnected from the power sup...

Page 45: ...holding it from the bottom with your hand fig 53 yellow colour Make sure that the hotend does not fall on the ceramic heatbed under its own weight 6 Take the previously prepared new hotend Gently bend the stopper and simultaneously press fully and hold the PUSH key Insert the hotend into the clamping ring until resistance is felt and release the PUSH key and the stopper When inserting the hotend m...

Page 46: ...page 46 of 62 3DGence DOUBLE P255 version 09 2018 Fig 52 Sliding the bowden tube out Fig 53 Sliding the hotend out Fig 54 Proper hotend position contacts directed outwards ...

Page 47: ...ap of the heatbed curvature is created which is the basis for the autocalibration and autocompensation The map is saved in the printer s memory and is modified only after performance of a next complete working scan fig 55 Fig 55 The map of the heatbed curvature resulting from autocalibration Autocompensation of the heatbed consists in one point measurement of the distance to the heatbed and determ...

Page 48: ...nter has a ceramic heatbed Such a solution guarantees good adhesion of the first printout layer and easy removal of the model after the printing process The ceramic heatbed of 3DGence DOUBLE P255 printer can be quickly changed as described below To prevent damage to the ceramic heatbed do not remove printouts from the heatbed too quickly before the heatbed has cooled down If the adhesive agents no...

Page 49: ...llows you to make a precise dimensional correction in a simple and quick way With just one calibration printout and simple measurements this system makes it possible to achieve the accuracy of 0 02 mm ATTENTION each material from which the filament is made has its own unique thermal shrinkage To ensure the maximum precision of results this calibration should be performed for the material from whic...

Page 50: ...00 06 Fig 60 Table of measurements for X axis and Y axis The result of such action will be the basis for further operations 1 Go to MENU ADVANCED XY CALIB fig 25 2 Choose ORIGIN X and use keys to enter the value of the dimension given to the model in X axis In the case of Dimmension_Calibration stl file downloaded from the website this value is 100 00 mm 3 Choose PRINT X and use keys to enter the ...

Page 51: ...also modified manually MENU ADVANCED MODULE CALIB Z OFFSET and use the keys to enter a value Calibration of XY offsets In order to verify the offset along the X Y axes the calibration model should be printed in the printer memory procedure described below The model is prepared for PLA and BVOH materials The printout takes about 10 minutes The model consists of two parts part X fig 62 and part Y fi...

Page 52: ...point 0 00 the model material coincides with the support material both in the X axis and in the Y axis Fig 64 bottom model First of all on the out of calibrated model find the line on which the model material fig 64 red is best covered with support material fig 64 white On the top model fig 64 the materials overlap best on the third line to the left of point 0 00 This line is distanced from point ...

Page 53: ...page 53 of 62 3DGence DOUBLE P255 version 09 2018 Fig 64 Comparison of correctly calibrated offset values with incorrectly calibrated ones ...

Page 54: ...e line on the display on which the model material with the support material in part Y is best covered fig 66 Fig 66 Automatic offset calibration screen in the Y axis 6 Select the CONTINUE button 7 Confirm with the SAVE key 8 Print the calibration model in the printer memory again by selecting from the printer menu MENU ADVANCED MODULE CALIB AUTO XY CALIB and visually check the offset calibration l...

Page 55: ...n hazard Be especially careful and use a metal object such as tweezers to apply pressure Under no circumstances should you touch the printer parts with bare hands E203 def Temperature Sensor Fail temperature sensor error Problem with measuring the temperature of one or more heating devices Turn off the main power supply of the printer immediately and make sure that hotends have been installed corr...

Page 56: ...s error occurs repeatedly replace the hotend with a new one and contact the technical assistance department Encoder T0 T1 Communication Fail error in communication with the T0 T1 extrusion quality sensor If this error occurs contact the technical assistance department Encoder T0 T1 Read Fail error in reading the T0 T1 extrusion quality sensor position If this error occurs repeatedly contact the te...

Page 57: ...printer off 3 Pull out the bowden tubes from both extruders fig 67 To do that remove the collet clip fig 67 step 1 push and hold the protective ring down fig 67 step 2 at the same time pull out the bowden tube fig 67 step 3 Fig 67 Pulling out the bowden tubes from both extruders 4 Mount the rear enclosure part fig 68 Align the curvature of the enclosure so that it interlocks with the back of the p...

Page 58: ...until resistance is felt put the collect clip on fig 71 step 2 Fig 71 Plugging in the bowden tubes to the T0 and T1 extruders WARNING mounting the front enclosure part in the next step of this manual will prevent access to the control panel If you are planning to print first turn the printer on load the materials by choosing MATERIALS LOAD MODEL MATERIAL LOAD SUPPORT MATERIAL and follow the steps ...

Page 59: ... to this the distance between the nozzle and the heatbed is always the same and corrected on an ongoing basis along the Z axis Bridge a part of the model printed in the air suspended between two parts of the printout The bridge is calculated in a special way when preparing the file for printing If the bridge is too long it may get deformed In such cases such printout element should be supported wi...

Page 60: ... thermoplastic PLA ABS PVA HIPS PC Nylon and others within a specified tolerance Filament is wound on spools The important parameters for selecting a filament are as follows manufacturing tolerance and the method of protection against moisture optimally the filament should be vacuum packed together with a moisture absorber A large inner diameter of the filament spool guarantees that the entire len...

Page 61: ...n of functional prototypes of mechanical devices is limited Overhang characteristic shape in a model printed during FFF 3D printing This shape occurs where the model plane forms an overhang over the heatbed or another part of model 3DGence Slicer software recognizes these surfaces and analyses the angle of overhang relative to the heatbed If the angle exceeds the boundary angle defined in the soft...

Page 62: ... on colour materials textures and other graphic elements included in other more elaborate 3D file formats Originally implemented by 3D Systems as a file format native to the stereolithography Drive gear part of extruder driven directly by stepper motor It enables precise dosing of the plastic wire to the printer nozzle thanks to a concave and sharp serrated cavity that bites into the plastic wire ...

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