OctagonStar Flexible Couplings 5mm to 8mm NEMA 17 Shaft for RepRap 3D Printer or CNC Machine(2PCS)

Flexible shaft couplers used in small CNC machines and 3D printers such as Prusa i3 or ORD Bot.
Flex capability of the coupler removes stress when shafts are not aligned perfectly.
Brand Listing,Item package or product surface have OctagonStar brand identity, If you buy is not OctagonStar brand product, You Can Apply for a Refund and Compensation.

Product Features

  • Flexibility of this coupler removes stress between motor and driving component.
  • Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter).
  • Useful in RepRap 3D Printers and small CNC machines.
  • Dimensions: 19mm x 25mm.
  • NOTE:OctagonStar Quality Assurance.Item package or product surface have OctagonStar brand identity. If you feel to buy isn’t OctagonStar item, you can return or exchange.

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MYSWEETY 3D Printer Accessories Kit, 500mm Stainless Steel T8 Trapezoidal Lead Screw KFL08 bearing Stepper Motor Nema 17 For 3D Printer Hobby CNC Router XYZ

Lead screw:
Material: stainless steel
Diameter: 8mm
Pitch: 2mm
Lead: 4
Total Length: 500MM

Shaft coupling:
Material: aluminium
Shaft: 6.35 x 8mm
Length: 25mm
Diameter: 18mm

Nema 17 Stepper motor:
Motor Length: 40mm
Phase Resistance: 1.5Ohm
Phase Inductance: 2.8mH
Detent Torque: 2.2N.cm
Rotor Inertia: 54g.cm2
Holding Torque: 40N.cm
Step angle: 1.8 deg
Step angle accuracy: + – 5%(full step, not load)
Resistance accuracy: + – 10%
Inductance accuracy: + – 20%

How to install:
1. Pls put screw nut into the Lead screw.
2.Then the 2 Mounted ball bearing separately install at both ends of the Lead screw.
3. According to the size of you need to adjust the distance between the nut and Mounted ball bearing.
4. Put shaft coupling into the Lead screw beside the Mounted ball bearing.

Package Included:
1x Lead screw
2x Mounted ball bearing
1x Shaft coupling
1x Stepper motor

Product Features

  • Package include: 3D printer accessories kit(1xscrew + 1xstepper motor + 2xball supports + 1xshaft coupling).
  • Lead Screw: Material: Stainless stell; Diameter: 8mm; Pitch: 2mm; Length: 500mm. Mounted Ball Bearing: Material: Zinc alloy; Bore diameter: 8mm.
  • Lead screw mainly used in stepper motor, machine tool, and other equipment. Lead screw without processing, direct connected to bearing.
  • Suitable for industrial automation equipment, stepper motor rails; such as 3D printers; engraving machine; XYZ module; slider; lifts etc.
  • Large torque, small vibration, high-quality, low noise!

Detailed Information available on our Homepage…

3D Printer part TEVO Tarantula Dual Extruder Upgrade Fully Kits Dual Extruder& 3010 12V cooling fan with two Nema 17 step motor

TEVO Tarantula Dual Extruder Upgrade Fully Kits Dual Extruder& 3010 cooling fan with two Nema 17 step motor
Product name: TEVO Tarantula Dual Extruder
Fan zise: 30*30*10mm
Working Voltage:12V
Filament diameter:1.75mm
Nozzle diameter:0.4mm
Packing list:
2*Nema step motor
1*Dual Extruder
1*3010 cooling fan etc…

Product Features

  • Type:Dual Extruder Upgrade Kits
  • Quality:Guarantee 12 months
  • Excellent quality assurance

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Quimat Arduino CNC Shield Contoller Kits for 3D Printer,CNC Shield V3.0 + UNO R3 Board + Nema 17 Stepper Motor + A4988 Stepper Motor Driver + Heat Sinks,Perfectly Compatible with GRBL

CNC Shield V3.0 features:
Latest Arduino CNC Shield Version 3.0.
GRBL 0.8c compatible.(Open source firmware that runs on an Arduino UNO that turns G-code commands into stepper signals)
4-Axis support(X, Y, Z , A-Can duplicate X,Y,Z or do a full 4th axis with custom firmware using pins D12 and D13)
2 x End stops for each axis(6 in total), Spindle enable and direction Coolant enable

Stepper drivers
Uses removable Pololu A4988 compatible stepper drivers.
Jumpers to set the Micro-Stepping for the stepper drivers.

Compact design.
Stepper Motors can be connected with 4 pin molex connectors or soldered in place.
Runs on 12-36V DC. (At the moment only the Pololu DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)

Stepping Motor
The most popular Nema 17 model with 1.8 deg. step angle (200 steps/revolution)
0.4A rated current/phase, allowing for a holding torque of 26Ncm(36.8oz.in)
Connection:Black(A+), Green(A-), Red(B+), Blue(B-)

Stepping Motor Specification:
* Cable length: 11.8 inches
* Phase Resistance: 30ohms
* Inductance: 37mH+/-20%(1KHz)
* Frame Size: 42 x 42mm
* Body Length: 34mm
* Shaft Diameter: 5mm
* Front Shaft Length: 20mm
* D-cut Length: 15mm
* Number of Leads: 4
* Lead Length: 300mm
* Weight: 230g

Kit list:
1x CNC Shield V3.0
1x Keyestudio UNO R3 board
4x A4988 driver
1x USB cable
1x Nema 17 stepping motor

Product Features

  • CNC Shield V3.0 Features – Latest Version 3.0, GRBL 0.8c compatible, 4 Axis supported and 2 end stops for each axis.
  • Compact design – Stepper motors can be connected with 4 pin molex connectors or soldered in place.
  • Stepper Drivers – Uses removable Pololu A4988 compatible stepper drivers, jumpers to set the Micro-Stepping for the stepper drivers
  • Stepping Motor Included – Nema 17 model, holding torque of 26Ncm(36.8oz.in), 12V/0.4A and 1.8 deg.step angle(200 steps/rev)
  • Technical support – Our technical support team is on standby to provide solutions to your questions, please feel free to contact us.

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ALUNAR DIY 3D Printer Aluminum Extruder Kit NEMA 17 Stepper Motor 1.75mm 1.7A Self Assembly RepRap Prusa i3 3D Printer Parts

3D Printer Aluminum Extruder Kit NEMA 17 Stepper Motor
1.75mm 1.7A RepRap Prusa i3 3D Printer Spare Parts
Compatibale with DIY reprap prusa i3 desktop 3D printer kit MK8 extruder
Please note, that you might need heat sink and fan to run this 3D printer extruder
This extruder is perfectly fit for ALUNAR 3D printer M508

Package contents:
1 x MK8 All Metal Aluminum Extruder Kit

Product Features

  • Material:Metal MK8 aluminum extruder feeder
  • Compatibale with DIY Reprap Prusa i3 3D Printer Kit MK8 extruder
  • Package contents:Stepper motor,Nema mounting brackets and other 3D printer accessories
  • This kit can help you improve your print quality by getting rid of filament slippage
  • Aluminum doesn’t soften at printing temp like the plastic printed parts can, leading to less idler spring tension, filament slipping, bad prints

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