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Apex Digital APX-252 Assembly Manual

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This manual has been developed to instruct the assembly of our base 3D printer kit. Every attempt has been made for clarity and conciseness, however, should
you have any unanswered questions related to this assembly please contact us via email at info@apex-3d.com.
Additionally, This manual assumes the end user has a working understanding of the tools and hardware required to complete this assembly, as well as, add the
additional components required to make it a fully operational 3D printer. We can not provide support for components not provided with this kit and encourage the
use of the vast amount of 3D printer information on the Internet.
Apex Additive / Melbourne, Florida / Apex-3d.com /
Model APX-252
Assembly Manual
A few notes to consider while using this manual:
Some hardware items have been removed from the step images for
increased clarity.
The beginning of each step has a complete list of the components
that will be needed during that step, including hardware.
Many of the items have been bagged specific to the particular step
or particular assembly of parts, including hardware.
Some universal hardware items are bagged in bulk; these will be
indicated with a star (
��
) next to the quantity column on the step
where required.
Some items installed in previous steps may be removed in future
step images for increased clarity.
info@apex-3d.com

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Summary of Contents for Apex Digital APX-252

  • Page 1 Model APX-252 Assembly Manual This manual has been developed to instruct the assembly of our base 3D printer kit. Every attempt has been made for clarity and conciseness, however, should you have any unanswered questions related to this assembly please contact us via email at info@apex-3d.com.
  • Page 2 M5 x 25mm Socket Head Screws 2020 Extrusion, 1000mm long �� M5 Washers Internal Angle Brackets M5 Hammer Nuts �� APX-252-016 (Base Plate) SHF8 Shaft Supports M5 x 10mm Button Head Screws Rubber Feet �� M5 Nylon Lock Nuts Assemble the extrusions together using the Internal Angle Brackets on four corners.
  • Page 3 Model APX-252 Assembly Manual Install the SHF8 Shaft Supports to the top side of the Base Plate with the M5 screws and nuts. Use the washers between the screws and the Base Plate. The base plate is symmetrical front to back. The orientation of the base plate left/right should be as shown.
  • Page 4 Model APX-252 Assembly Manual Install the four Rubber Feet in the corners on the bottom side of the 2040 Extrusions with M5 button head screws, washers and hammer nuts. Apex Additive / Melbourne, Florida / Apex-3d.com / info@apex-3d.com...
  • Page 5 Step 2 - Frame Assembly Needed For This Step: Quantity Description Quantity Description 2020 Extrusion, 527mm long APX-252-015 (Corner Brackets) 2020 Extrusion, 1000mm long �� M5 x 8mm Button Head Screws 2020 Extrusion, 500mm long M5 Washers �� 3-Way Corner Brackets ��...
  • Page 6 Model APX-252 Assembly Manual Sit the assembled extrusions on top of the base assembly from step one. Connect the two by using the Corner Brackets and M5 Button Heads, washers and hammer nuts. Ensure to pull all corners flush to the extrusion...
  • Page 7 Assembly Manual Step 3 - X & Y Assembly Needed For This Step: Quantity Description Quantity Description APX-252-015 (Corner Brackets) M5 x 8mm Button Head Screws �� �� M5 Washers �� M5 Hammer Nuts Install the upper Corner Brackets with the M5 Button Heads, washers and hammer nuts.
  • Page 8 Assembly Manual Step 4 - X & Y Assembly Needed For This Step: Quantity Description Quantity Description APX-252-020 (Idler Side Bracket) M5 Nylon Lock Nuts SHF8 Shaft Supports �� M5 Washers M5 x 25mm Socket Head Screws M5 Hammer Nuts ��...
  • Page 9 Assembly Manual Step 5 - X & Y Assembly Needed For This Step: Quantity Description Quantity Description APX-252-021 (Motor Side Bracket) M5 Nylon Lock Nuts SHF8 Shaft Supports �� M5 Washers M5 x 25mm Socket Head Screws M5 Hammer Nuts ��...
  • Page 10 Step 6 - Z Assembly Needed For This Step: Quantity Description Quantity Description APX-252-023 (Bed Support) M3 Nylon Nuts APX-252-025 (Bed Support Angle) M5 Nylon Lock Nuts Brass Trapezoidal Nuts M3 Washers LMF8UU Shaft Bearings �� M5 Washers M5 x 20mm Socket Head Screws...
  • Page 11 Model APX-252 Assembly Manual Install the two Brass Nuts and four LMF8UU Shaft Bearings on the top side of the Bed Support using the M3 hardware. Use the washers between the nuts and the panel. Place the Bed Support assembly on top of the Base Assembly roughly aligning the Shaft Bearings with the Shaft Supports.
  • Page 12 Model APX-252 Assembly Manual Slide the Linear Shafts through the Upper Bracket Shaft Supports, Bed Support Shaft Bearings, and down into the Base Assembly Shaft Supports. Secure the shafts in place by tightening the socket head screws on the Shaft Supports.
  • Page 13 Model APX-252 Assembly Manual Step 7 - Z Assembly Needed For This Step: Quantity Description Quantity Description 8mm x 500mm Lead Screw (T8x2) M3 x 10mm Socket Head Screw 5mm to 8mm Flex Coupling M3 Washer CONTINUE THIS STEP IF YOU HAVE STEPPER MOTORS FOR Z -...
  • Page 14 Model APX-252 Assembly Manual Install the right side stepper motor to the bottom side of the Base Plate using the M3 hardware. Install the flex couplings to each stepper motor by sliding the 5mm bore side down onto the stepper shaft.
  • Page 15 Model APX-252 Assembly Manual Install the lead screws into each flex coupling by threading the lead screw down through the brass nuts until it bottoms into the flex coupling. Secure to the lead screw by tightening the upper coupling screw.
  • Page 16 Quantity Description Quantity Description 2020 Extrusion, 500mm long M5 x 10mm Button Head Screw �� APX-252-030 (Y Rail Support Bracket, Front) M3 Hammer Nuts APX-252-028 (Y Rail Support Bracket, Rear) M3 Washer MGN12H x 800mm Linear Rail �� M5 Washer...
  • Page 17 Model APX-252 Assembly Manual Install the Rear APX-252-028, Y Rail Support Bracket to the two carriage of the back 800mm rail with the M3 x 8mm Socket Head screws and washers. Install the Front APX-252-030, Y Rail Support Bracket to the two carriage of the front 800mm rail with the M3 x 8mm Socket Head screws and washers.
  • Page 18 Model APX-252 Assembly Manual Install the Y Motor Bracket to the Extrusion with the M5 hardware. The bracket should be ¼ inch from the end. Install the 400mm Linear Rail onto the Extrusion with the M3 x 8mm Socket Head screws and hammer nuts in every other hole of the rail.
  • Page 19 Model APX-252 Assembly Manual Install the Extrusion (with rail and motor bracket) centered on top of the Front and Rear Y Rail Support Brackets. Secure in place with M5 Button Head screws, washers and Hammer nuts in the inner holes and M5 Hex Head screws, washers and Hammer nuts in the outer holes.
  • Page 20 Assembly Manual Step 9 - Extruder Carriage Needed For This Step: Quantity Description Quantity Description APX-252-032 (Extruder Bracket A) Aluminum Spacers APX-252-033 (Extruder Bracket B) M3 Nylon Lock Nuts APX-252-031 (Extruder Bracket Top) M3 Washers APX-252-063 (BLTouch Bracket) M3 x 8mm Socket Head Screw...
  • Page 21 Model APX-252 Assembly Manual Connect the Extruder Brackets A and B to the Top bracket with the M3 x 40mm Flat Head screws, washers and nuts. The notch in the B bracket should be on top. Install the Bracket assembly to the Y rail carriage with the M3 x 8mm Socket Head screws and washers.
  • Page 22 Model APX-252 Assembly Manual Install the two Aluminum Spacers between the A and B Brackets, underneath the Extrusion, using the M3 x 40mm Flat Head screws, washers and nuts Apex Additive / Melbourne, Florida / Apex-3d.com / info@apex-3d.com...
  • Page 23 Step 10 - Pulleys & Belts Needed For This Step: Quantity Description Quantity Description APX-252-022 (Idler Double Shear Bracket) M5 Nylon Lock Nuts 20T GT2 Idler, 5mm Bore �� M5 Washers 20T GT2 Pulley, 5mm Bore M5 x 10mm Button Head Screws ��...
  • Page 24 Model APX-252 Assembly Manual Install the remaining Idler Pulley onto the Front Y Rail Bracket using the M5 Shoulder Bolt, Aluminum Spacer, and a washer. CONTINUE THIS STEP IF YOU HAVE STEPPER MOTORS FOR X AND Y; IF NOT, RETURN BACK TO THIS STEP LATER Install the Drive Pulleys onto each X axis Stepper.
  • Page 25 Model APX-252 Assembly Manual Install the Drive Pulley onto the Y axis stepper. Install the stepper to the Y Motor Bracket with the M3 x 10mm Socket Head screws and washers. Loosen the Motor Bracket hardware and slide the stepper until the bracket is ⅛” - ¼” from the end of the rail.
  • Page 26 Model APX-252 Assembly Manual Use the Zip ties to secure the belts by wrapping the belt over itself. Loosen the stepper motor hardware and tighten the belts by sliding the motors to the right and re-tighten the hardware. Install the Y axis Belts by wrapping it around the pulleys and into the slots on the Extruder B Bracket.
  • Page 27 Model APX-252 Assembly Manual Use the Zip ties to secure the belts by wrapping the belt over itself. Loosen the stepper motor hardware and tighten the belts by sliding the motor to the rear and re-tighten the hardware. Apex Additive / Melbourne, Florida / Apex-3d.com /...
  • Page 28 Step 11 - Bed Plate Needed For This Step: Quantity Description Quantity Description APX-252-026 (Bed Plate) Spring M3 x 40mm Flat Head Screw Thumb Screw Place Bed Plate on top of the Bed Base with the countersinks facing up. Install the Bed Plate with the M3 Flat Head screws, springs, and thumb screws.

  • Page 29: Step 12 - Electronic Components

    Step 12 - Electronic Components Needed For This Step: Quantity Description Quantity Description APX-252-034 (Y Axis Limit Switch Bracket) M2 Flat Head Screw APX-252-035 (X Axis Limit Switch Bracket) M2 Washer APX-252-070 (Electronic Bay Wall) M2 Nut APX-252-071 (Electronic Bay Front)
  • Page 30 Model APX-252 Assembly Manual Assemble one limit switch to the Y Axis LImit Switch Bracket with the M2 Flat Head screws, washers and nuts. Install the bracket and switch onto the left side of the Y axis extrusion rail with the M3 Button Heads and Hammer Nuts.
  • Page 31 Model APX-252 Assembly Manual Slide the extrusions into the cutouts on the base plate and motor side plate. Temporarily hold in place with painters tape if needed. Slide the electronic bay wall to the right side of the extrusions from the front to the back. Ensure the bed heater wiring hole is on the bottom and towards the front.
  • Page 32 Model APX-252 Assembly Manual Install the electronic bay front to the extrusions using the M5 Button Heads, washers and hammer nuts. The filter cutout should be on the bottom. Install the electronic bay rear to the extrusions using the M5 Button Heads, washers and hammer nuts.
  • Page 33 Model APX-252 Assembly Manual Install filter on front of electronic bay with the M4 flat head screws and nylon nuts Install power switch on back with M3 x 10 flat head screws and nylon nuts. Visit the downloads area of our website to find wiring instructional help.
  • Page 34 Model APX-252 Assembly Manual Install the Electronic Bay Cover to the extrusions with the M5 button head screws, washers and hammer nuts. You have completed the assembly of our base 3D printer kit. Visit the downloads area of our website to find additional resources for wiring, BLTouch setup, etc.