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3. X-axis & Extruder assembly

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3. X-axis & Extruder assembly

3. X-axis & Extruder assembly
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Last updated a month ago
3. X-axis & Extruder assembly
 Difficulty
Moderate
 Steps
51
 Available languages
ENCSPLDEESITFR
Tools necessary for this chapter
Tools necessary for this chapter
Tools necessary for this chapter
Tools necessary for this chapter
この章で、準備するもの:
1.5mm 六角レンチ
2.0mm Allen key
2.5 mm 六角レンチ
Needle-nose pliers
Universal wrench
Z-carriage: parts preparation
Z-carriage: parts preparation
Z-carriage: parts preparation
Z-carriage: parts preparation
All the printed parts and fasteners needed for this chapter are included in the box: YZ & X-axis
For the following steps, please prepare:
MINI-Z-carriage-front (1x)
M3nS nut (9x)
M3x12 screw (4x)
Smooth rod (2x) 8 mm diameter
Assembling the Z-carriage
Assembling the Z-carriage
Assembling the Z-carriage
Assembling the Z-carriage
Insert the M3nS nut in the MINI-Z-carriage-front part.
Insert four M3nS nuts in the top side of the MINI-Z-carriage-front.
Turn the part upside down and insert four M3nS nuts in the bottom holes.
Always make sure that all M3nS nuts are inserted all the way down into the holes. Use the 2.0mm Allen key to push the nuts fully inside.
Assembling the Z-carriage
Assembling the Z-carriage
Assembling the Z-carriage
Assembling the Z-carriage
Carefully slide both smooth rods all the way into the MINI-Z-carriage-front. Before inserting the smooth rods, check if there are no obstructions inside the holes.
Look sideways on the MINI-Z-carriage-front through the inspection hole and check that the smooth rod is fully inserted into the plastic part.
Secure all parts together with four M3x12 screws.
X-end: parts preparation
X-end: parts preparation
X-end: parts preparation
For the following steps, please prepare:
MINI-X-end (1x)
M3nS nut (2x)
M3x12 screw (4x)
M3x20 screw (1x)
M3nN ナイロンロックナット (1個)
Pulley Bearing Idler 623 2Z (1x)
必要な部品リストは、次のステップにも続きます。
X-end: parts preparation (lubricating)
X-end: parts preparation (lubricating)
X-end: parts preparation (lubricating)
X-end: parts preparation (lubricating)
以下のステップに向けて、下記の部品を用意してください。
Linear bearing LM8UU (2x) included in the Rods package
Prusaグリス塗布器(1個)
Prusa lubricant (1x)
ベアリングの表面についている潤滑油を、ペーパータオルで拭いてください。
油性マジック(1本) キットには含まれていません。
各ベアリングは、プリンタに取り付ける前に潤滑剤を塗布する必要があります。以下の説明に従って慎重に作業してください。
Lubricating the bearings
Lubricating the bearings
油汚れから作業面を保護するために、適当なダスターを使用します。
ベアリングの内部がきれいであることを確認してください。
ペーパータオルでベアリング表面の油分を拭き取ります。
ベアリング内の4列のボール全てに潤滑油を塗る必要があります。
Lubricating the bearings
Lubricating the bearings
Lubricating the bearings
Lubricating the bearings
チューブと一体になっている塗布器を時計回りに、少し抵抗を感じるまで回してください。この状態は、塗布器の穴がボール列と一致していることを意味します。
チューブを軽く押して、ベアリングのボール列に潤滑剤を押し込んでください。
ベアリングの前面を見てください。塗布器からグリースがはみ出してきたら(黒いガスケットのあたり)、チューブを押すのを止めます。注油中はもう片方の手でベアリングを持ってください。
グリスは、ベアリング内の4つのボール列全てに均等に行き渡る必要があります。グリスは多すぎても少なすぎてもいけません。最後の写真をよく見てください。
ベアリングの外側の余分なグリスをペーパータオルで拭き取ります。
この手順は、両方のベアリングに使用します。
Marking the bearings
Marking the bearings
ベアリングは、ボールが2列見えるように配置します。写真を参考にしてください。
ベアリングの外周面、2列に並んだボールの真ん中あたりに、油性マジックで印をつけてください。
2つ目のベアリングも同じ手順で交換します。
引き続きステップでは、この印でベアリングの向きを確認していきます。
Assembling the X-end
Assembling the X-end
Assembling the X-end
Insert two M3nS nuts in the X-end.
Always make sure that all M3nS nuts are inserted all the way down into the holes.
Insert the M3nN nut into the X-end.
ネジを使った引き込みテクニックを活用します。
Assembling the X-end
Assembling the X-end
Assembling the X-end
Assembling the X-end
Turn the X-end upside down.
Place the pulley bearing idler into the X-end and align holes on both parts. The orientation of the pulley doesn't matter.
Secure it with M3x20 screw.
Place your finger on the bearing and ensure it can rotate freely. If needed to adjust the screw.
Assembling the X-axis
Assembling the X-axis
Assembling the X-axis
Assembling the X-axis
Insert and slightly tighten two M3x12 screws into the X-end.
There is no nut used here. Use more force to tighten the screws into the plastic part. Be careful, not to hurt yourself.
Do not tighten the screws completely. Leave a half of the screw head protruding above the surface of the plastic part.
Slide one bearing on each smooth rod.
Don't forget to wipe off the residue of the grease on the smooth rods with a paper towel.
Push the MINI-X-end all the way on the smooth rods. Before pushing the part on the smooth rods, check if there are no obstructions inside the holes.
Check the correct orientation of the part. The screw holes on the MINI-X-end must face up and the screws on the MINI-Z-carriage-front must face up.
Insert and slightly tighten two M3x12 screws into the X-end. We'll completely tighten them later.
Checking the smooth rods: X-end
Checking the smooth rods: X-end
Look sideways on the MINI-X-end into the inspection hole and ensure that the smooth rod is inserted all the way in the plastic part.
Some early units may be without inspection holes.
If the rod is not fully visible in the groove, try using more force to push MINI-X-end on the rod. Do not use a hammer or similar tools to push the plastic part!
Turn the X-axis and use the same procedure for the second smooth rod.
X-carriage: parts preparation
X-carriage: parts preparation
以下のステップに向けて、下記の部品を用意してください。
MINI-x-carriage (1x)
M3n nut (1x)
M3nS nut(1x)
Assembling the X-carriage
Assembling the X-carriage
Assembling the X-carriage
Insert the M3n nut into the MINI-X-carriage from the side.
ネジを使った引き込みテクニックを活用します。
Locate the hole on the opposite side of the part and insert the M3nS nut all the way down into the hole.
Mounting the X-carriage
Mounting the X-carriage
Mounting the X-carriage
Mounting the X-carriage
Align both bearings with the markings facing you.
Place the X-axis with the screw heads in the MINI-Z-carriage facing you.
Take the MINI-X-carriage and place it above the bearings. Make sure the longest side of the part is on the left side.
Align the cutouts in the part against the bearings.
Push the MINI-X-carriage onto the bearings
Ensure the bearings are properly seated and they are centered in the X-carriage.
X-axis motor: parts preparation
X-axis motor: parts preparation
X-axis motor: parts preparation
以下のステップに向けて、下記の部品を用意してください。
X-axis motor (1x)
Pulley T16-2GT (1x)
X-axis belt 2GT 561 mm (1x)
M3x12 screw (2x)
Assembling the X-axis motor
Assembling the X-axis motor
Assembling the X-axis motor
Assembling the X-axis motor
There is a flat part on the motor shaft. Rotate it similarly to the first picture. See the direction of the arrows.
Place the pulley T16-2GT on the X-axis motor shaft as shown in the picture.
Don't press the pulley against the motor. Leave a gap of 0.7 - 1 mm between both parts.
There is mentioned a 2mm gap in the earlier version of the manual. Please, use the value mentioned in the current manual.
One of the screws must be facing directly against the pad (flat part) on the shaft. Tighten the first screw gently but firm.
シャフトを回転させ、2つ目 のネジを少しだけ締め込みます。
Ensure you have the correct orientation of the pulley on the shaft. It can be placed both ways, but only one is correct.
Mounting the X-axis motor
Mounting the X-axis motor
Mounting the X-axis motor
Mounting the X-axis motor
Place the X-axis motor like in the picture. See the cable direction.
Put the X-axis on the X-axis motor and align the holes on both parts. Make sure that smooth rods are facing to the right.
Fix both parts together with two M3x12 screws.
X-axis belt guidance
X-axis belt guidance
X-axis belt guidance
X-axis belt guidance
Place the X-axis like in the picture.
Take the X-axis belt and guide it in the upper position around the pulley in the X-end.
Insert the belt along the entire length of the upper groove in the X-carriage.
Take the second end of the belt and guide it around the pulley in the X-end and through the hole in X-carriage.
X-axis belt guidance
X-axis belt guidance
X-axis belt guidance
X-axis belt guidance
Guide the belt around the X-axis motor pulley.
Insert the end of the belt into the lower groove on the X-carriage.
ベルトの両端を1.5mm六角レンチで溝に挟み込み、固定します。
The belt may seem too loose. We will adjust the correct tension later.
Z-carriage: parts preparation
Z-carriage: parts preparation
Z-carriage: parts preparation
以下のステップに向けて、下記の部品を用意してください。
Fasteners needed for the following steps are in the Extruder package. Please, prepare this bag.
MINI-Z-carriage-rear (1x)
M3n nut (2x)
M3nS nut (1x)
M3x30 screw (4x)
M3x20 screw (2x)
Preparing the Z-carriage
Preparing the Z-carriage
Preparing the Z-carriage
Insert two M3n nuts in the MINI-Z-carriage. Make sure the nuts are properly seated and don't fall out.
ネジを使った引き込みテクニックを活用します。
Insert the M3nS nut into the hole on the bottom side.
Mounting the X-axis
Mounting the X-axis
Mounting the X-axis
Mounting the X-axis
Turn the assembly so that the rear side is facing you.
Place the X-axis on the Z-axis bearings and trapezoidal nut. Hold it by hand all the time during installation.
Place the MINI-Z-carriage-rear on the bearings. See the round recess of the part for better orientation.
Secure it with two M3x30 screws diagonally. You can release your hand from the assembly now.
Mounting the X-axis
Mounting the X-axis
Mounting the X-axis
Mounting the X-axis
Insert and tighten two M3x30 screws into the remaining holes.
Look from below and align two holes in the trapezoidal nut against the holes in the plastic parts.
Secure the trapezoidal nut to the X-axis with two M3x20 screws.
Do not overtighten the screws! Otherwise, it can cause issues during printing. Tighten gently, but firmly.
Plastic cover: parts preparation
Plastic cover: parts preparation
Plastic cover: parts preparation
Plastic cover: parts preparation
以下のステップに向けて、下記の部品を用意してください。
Plastic cover (1x)
Zip tie (1x)
Textile sleeve 5x300 mm (1x)
Guiding the X-axis motor cable
Guiding the X-axis motor cable
Guiding the X-axis motor cable
Guiding the X-axis motor cable
Wrap the textile sleeve around the X-axis motor cable.
Secure the textile sleeve with the zip tie a few millimeters from the end. Do not overtighten the zip tie, you might damage the cable.
Cut the remaining part of the zip tie using pliers as closest to its head as possible.
Wrap the entire textile sleeve around the X-axis motor cable and guide it into the extrusion.
Cover the extrusion with the plastic cover.
X-axis belt tensioning
X-axis belt tensioning
X-axis belt tensioning
Move the X-carriage all the way to the Z-carriage.
左手の指を使ってベルトをX軸の中心に押し下げます。ベルトを曲げるにはある程度の力が必要ですが、ベルトを伸ばし過ぎるとプリンタが破損する恐れがあります。
Adjust it by releasing or tightening both screws on the X-end.
Release the screws, bring the X-end closer to rods and thus decrease the overall tension.
Tighten the screws, X-end will move apart, the overall tension will increase.
Belt tension check
Belt tension check
このステップを実行することが推奨されますが、任意です。スマートフォンが手元にない場合は、次のステップに進んでください。このチェックは、後でもできます。
プリンタのX軸またはY軸ベルトの張力を確認または微調整するには、prusa.io/belt-tunerにアクセスし、モバイルデバイスでウェブページを開きます。または、写真のQRコードをスキャンしてください。
Follow the on-screen instructions to fine-tune the belt tension.
ベルトチューナーアプリは複数のスマートフォンでテストされ、最も一般的なスマートフォンメーカーであれば動作するはずです。しかし、まれに期待通りに動作しない場合があります。その場合、ステップの下のコメント欄に、お使いの機種とブランドをご記入ください。
Securing the X-end
Securing the X-end
Securing the X-end
Look at the X-axis from the side. Align the X-end parallel to the Z-axis smooth rods by twisting the plastic part. Do not use too much force to twist, you may damage the X-axis.
Securing the X-end by tightening both screws on the front side of the plastic part.
After tightening, check once more the X-end is parallel with the Z-axis.
Assembling the Extruder motor
Assembling the Extruder motor
Assembling the Extruder motor
There is a flat part on the motor shaft. Rotate it similarly to the first picture. See the direction of the arrows.
Place the Extruder pinion on the Extruder motor shaft as shown in the picture.
Don't press the pinion against the motor. Leave a 1.5 millimeters gap between both parts. You can use the 1.5mm Allen key to set the gap.
The set screw must be facing directly against the pad (flat part) on the shaft. Tighten the screw with the longest part of the Allen key. Be careful, not to strip the screw.
Ensure you have the correct orientation of the pulley on the shaft. It can be placed both ways, but only one is correct.
Assembling the Extruder-front
Assembling the Extruder-front
Assembling the Extruder-front
Place the MINI-Extruder-front like in the picture and insert three M3n nuts to the holes.
ネジを使った引き込みテクニックを活用します。
Turn the part upside down and insert the bearing into the part.
Extruder-rear: parts preparation
Extruder-rear: parts preparation
以下のステップに向けて、下記の部品を用意してください。
MINI-Extruder-rear (1x)
M3n nut (1x)
M3nN ナイロンロックナット (1個)
Bearing 625 2Z (1x)
Assembling the Extruder-rear
Assembling the Extruder-rear
Assembling the Extruder-rear
Assembling the Extruder-rear
Place the MINI-Extruder-rear like in the picture and insert the M3n nut into the hole.
ネジを使った引き込みテクニックを活用します。
Turn the part upside down.
Insert the M3nN nut into the MINI-Extruder-rear from the opposite side.
ネジを使った引き込みテクニックを活用します。
Insert the bearing into the part.
Make sure the bearing is aligned with the top surface of the printed part.
Extruder-idler: parts preparation
Extruder-idler: parts preparation
以下のステップに向けて、下記の部品を用意してください。
MINI-Extruder-idler (1x)
Bearing 625 2Z (1x)
Shaft 5x12 mm (1x)
M3nS nut (1x)
Assembling the Extruder-idler
Assembling the Extruder-idler
Assembling the Extruder-idler
Assembling the Extruder-idler
Insert the M3nS nut into the MINI-Extruder-idler.
Place the bearing into the part.
Align the holes and secure the bearing with shaft. Make sure the shaft is aligned with the surface of the plastic part.
Extruder assembly: parts preparation
Extruder assembly: parts preparation
Extruder assembly: parts preparation
Extruder assembly: parts preparation
以下のステップに向けて、下記の部品を用意してください。
Spring 5x15 mm (1x)
M3x12 screw (3x)
M3x25 screw (4x)
M3x40 screw (1x)
Filament Spur (1x)
PTFEチューブ 4x2x150 mm (1本)
Assembling the Extruder
Assembling the Extruder
Assembling the Extruder
Place the Extruder motor like in the picture. See the cable direction.
Put the MINI-Extruder-front on the motor and align the holes on both parts.
Secure both parts with two M3x12 screws.
Assembling the Extruder
Assembling the Extruder
Assembling the Extruder
Assembling the Extruder
Place the filament spur into the bearing. The longer part with the jagged groove must face up. See the picture.
Make sure that both gears fit together.
Rotate with one pulley to ensure the second is moving as well.
Assembling the Extruder
Assembling the Extruder
Assembling the Extruder
Place the MINI-Extruder-rear on the MINI-Extruder-front. See the orientation of both parts.
Make sure the cable from the motor is oriented in the same way as in the picture.
Secure parts together with three M3x25 screws.
Mounting the MINI-Extruder-idler
Mounting the MINI-Extruder-idler
Mounting the MINI-Extruder-idler
Mounting the MINI-Extruder-idler
Insert the assembled MINI-Extruder-idler to the Extruder.
Align the holes on both parts and secure it with the M3x25 screw. Do not overtighten. Make sure the idler can move freely.
Place the spring on the M3x40 screw.
Hold the extruder and idler with your hand.
Insert and tighten the screw with the spring into the Extruder. Stop tightening when the screw head is aligned with the edge of the plastic part.
PTFEチューブを挿入する
PTFEチューブを挿入する
PTFEチューブを挿入する
エクストルーダーに挿入する前に、PTFEチューブの端から2.5cm(0.98インチ)の距離でマーキングしておくことをお勧めします。両端は左右対称になります。
エクストルーダーアセンブリの側面にあるPTFEチューブ用の穴の位置を確認し、チューブのマーキングされた端までエクストルーダーに挿入します。チューブのマーキングに従って、正しく挿入されていることを確認します。
Secure the tube with the M3x12 screw.
Mounting the Extruder
Mounting the Extruder
Mounting the Extruder
Place the extruder on the Z-carriage. Make sure the orientation is correct:
PTFEチューブが左を向いている。
The brass fitting is on the top right.
Secure it with the M3x25 screw in the lower hole.
Mounting the Extruder
Mounting the Extruder
Mounting the Extruder
Place the MINI-Inspection-door to the extruder and align the holes.
Secure it with the M3x25 screw. Do not overtighten. Make sure the MINI-Inspection-door can move freely.
Leave the Extruder motor cable to hang freely for now.
X-axis is finished!
X-axis is finished!
組み立てた最終的な外観を、写真と比較します。
Now it's time to the next chapter: 4. Printhead & Heatbed assembly
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